ubic.gemma.loader.expression.geo.GeoFamilyParser.java Source code

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/*
 * The Gemma project
 * 
 * Copyright (c) 2006 University of British Columbia
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *       http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 */
package ubic.gemma.loader.expression.geo;

import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.util.Arrays;
import java.util.Collection;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.concurrent.Callable;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.FutureTask;
import java.util.concurrent.TimeUnit;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

import org.apache.commons.beanutils.BeanUtils;
import org.apache.commons.lang.StringUtils;
import org.apache.commons.lang.WordUtils;
import org.apache.commons.lang.time.StopWatch;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

import ubic.basecode.util.FileTools;
import ubic.gemma.loader.expression.geo.model.GeoChannel;
import ubic.gemma.loader.expression.geo.model.GeoContact;
import ubic.gemma.loader.expression.geo.model.GeoData;
import ubic.gemma.loader.expression.geo.model.GeoDataset;
import ubic.gemma.loader.expression.geo.model.GeoPlatform;
import ubic.gemma.loader.expression.geo.model.GeoReplication;
import ubic.gemma.loader.expression.geo.model.GeoSample;
import ubic.gemma.loader.expression.geo.model.GeoSeries;
import ubic.gemma.loader.expression.geo.model.GeoSubset;
import ubic.gemma.loader.expression.geo.model.GeoValues;
import ubic.gemma.loader.expression.geo.model.GeoVariable;
import ubic.gemma.loader.util.parser.Parser;

/**
 * Class for parsing GSE and GDS files from NCBI GEO. See {@link http
 * ://www.ncbi.nlm.nih.gov/projects/geo/info/soft2.html} for format information.
 * 
 * @author keshav
 * @author pavlidis
 * @version $Id: GeoFamilyParser.java,v 1.94 2013/04/18 22:53:10 paul Exp $
 */
public class GeoFamilyParser implements Parser<Object> {

    /**
     * 
     */
    private static final char FIELD_DELIM = '\t';

    private static final int MAX_WARNINGS = 100;

    private static Log log = LogFactory.getLog(GeoFamilyParser.class.getName());
    private Integer previousNumTokens = null;

    /**
     * For each platform, the map of column names to column numbers in the data.
     */
    private Map<GeoPlatform, Map<String, Integer>> quantitationTypeKey = new HashMap<GeoPlatform, Map<String, Integer>>();

    /**
     * This is used to put the data in the right place later. We know the actual column is where it is NOW, for this
     * sample, but in our data structure we put it where we EXPECT it to be (where it was the first time we saw it).
     * This is our attempt to fix problems with columns moving around from sample to sample.
     */
    private Map<GeoPlatform, Map<Integer, Integer>> quantitationTypeTargetColumn = new HashMap<GeoPlatform, Map<Integer, Integer>>();

    boolean alreadyWarnedAboutClobbering = false;
    boolean alreadyWarnedAboutInconsistentColumnOrder = false;
    boolean alreadyWarnedAboutDuplicateColumnName = false;

    private String currentDatasetAccession;
    private String currentPlatformAccession;

    private String currentSampleAccession;
    private String currentSeriesAccession;
    private String currentSubsetAccession;

    private int dataSetDataLines = 0;

    private boolean haveReadPlatformHeader = false;
    private boolean haveReadSampleDataHeader = false;
    private boolean inDatabase = false;

    private boolean inDataset = false;

    private boolean inDatasetTable = false;

    private boolean inPlatform = false;

    private boolean inPlatformTable = false;

    private boolean inSample = false;

    private boolean inSampleTable = false;

    private boolean inSeries = false;

    private boolean inSeriesTable = false;

    private boolean inSubset = false;

    private int parsedLines;

    private int platformLines = 0;

    private GeoParseResult results = new GeoParseResult();

    private int sampleDataLines = 0;

    private int seriesDataLines = 0;

    private boolean processPlatformsOnly;

    private int numWarnings = 0;

    /*
     * Elements seen for the 'current sample'.
     */
    private Collection<String> processedDesignElements = new HashSet<String>();

    /**
     * 
     */
    private Collection<Integer> wantedQuantitationTypes = new HashSet<Integer>();

    /**
     * 
     */
    private boolean aggressiveQuantitationTypeRemoval;

    /*
     * (non-Javadoc)
     * 
     * @see ubic.gemma.loader.loaderutils.Parser#getResults()
     */
    @Override
    public Collection<Object> getResults() {
        Collection<Object> r = new HashSet<Object>();
        r.add(this.results);
        return r;
    }

    /*
     * (non-Javadoc)
     * 
     * @see ubic.gemma.loader.loaderutils.Parser#parse(java.io.File)
     */
    @Override
    public void parse(File f) throws IOException {
        InputStream a = new FileInputStream(f);
        this.parse(a);
        a.close();
    }

    /*
     * (non-Javadoc)
     * 
     * @see ubic.gemma.loader.loaderutils.Parser#parse(java.io.InputStream)
     */
    @Override
    public void parse(InputStream is) throws IOException {
        if (is == null) {
            throw new IOException("Inputstream was null");
        }

        if (is.available() == 0) {
            throw new IOException("No bytes to read from the input stream.");
        }

        final BufferedReader dis = new BufferedReader(new InputStreamReader(is));

        log.debug("Parsing....");

        final ExecutorService executor = Executors.newSingleThreadExecutor();

        FutureTask<Exception> future = new FutureTask<Exception>(new Callable<Exception>() {
            @Override
            public Exception call() {
                try {
                    return doParse(dis);
                } catch (Exception e) {
                    log.error(e, e);
                    return e;
                }

            }
        });

        executor.execute(future);
        executor.shutdown();

        while (!future.isDone() && !future.isCancelled()) {
            try {
                TimeUnit.SECONDS.sleep(5L);
            } catch (InterruptedException e) {
                // probably cancelled.
                return;
            }
            log.info(parsedLines + " lines parsed.");
        }

        try {
            Exception e = future.get();
            if (e != null) {
                log.error(e.getMessage());
                throw new RuntimeException(e.getCause());
            }
        } catch (ExecutionException e) {
            throw new RuntimeException("Parse failed", e.getCause());
        } catch (java.util.concurrent.CancellationException e) {
            throw new RuntimeException("Parse was cancelled", e.getCause());
        } catch (InterruptedException e) {
            throw new RuntimeException("Parse was interrupted", e.getCause());
        }

        executor.shutdownNow();

        assert future.isDone();
        // assert executor.isTerminated();

        log.info("Done parsing.");
    }

    /*
     * (non-Javadoc)
     * 
     * @see ubic.gemma.loader.loaderutils.Parser#parse(java.lang.String)
     */
    @Override
    public void parse(String fileName) throws IOException {
        InputStream is = FileTools.getInputStreamFromPlainOrCompressedFile(fileName);
        parse(is);
        is.close();
    }

    /**
     * @param accession
     * @param string
     */
    public void sampleTypeSet(String accession, String string) {
        GeoSample sample = results.getSampleMap().get(accession);
        if (string.equalsIgnoreCase("cDNA")) {
            sample.setType("RNA");
        } else if (string.equalsIgnoreCase("RNA")) {
            sample.setType("RNA");
        } else if (string.equalsIgnoreCase("genomic")) {
            sample.setType("genomic");
        } else if (string.equalsIgnoreCase("protein")) {
            sample.setType("protein");
        } else if (string.equalsIgnoreCase("mixed")) {
            sample.setType("mixed");
        } else if (string.equalsIgnoreCase("SAGE")) {
            sample.setType("SAGE");
        } else if (string.equalsIgnoreCase("MPSS") || string.equalsIgnoreCase("SRA")) {
            sample.setType("MPSS");
        } else if (string.equalsIgnoreCase("SARST")) {
            sample.setType("protein");
        } else if (string.equalsIgnoreCase("other")) {
            sample.setType("other");
        } else {
            throw new IllegalArgumentException("Unknown sample type " + string);
            // sample.setType("other");
        }
    }

    public void setAgressiveQtRemoval(boolean aggressiveQuantitationTypeRemoval) {
        this.aggressiveQuantitationTypeRemoval = aggressiveQuantitationTypeRemoval;

    }

    /**
     * @param b
     */
    public void setProcessPlatformsOnly(boolean b) {
        this.processPlatformsOnly = b;
    }

    /**
     * Check to make sure data has been added for all the design elements, and all quantitation types. This is necessary
     * where the data for some design elements is omitted. This can happen if there is some variability between the
     * samples in terms of what design elements they have. Important: This has to be called IMMEDIATELY after the data
     * for the sample is read in, so the values get added in the right place.
     * 
     * @param currentSample
     */
    private void addMissingData(GeoSample currentSample) {

        /*
         * Skip if we're not going to use the data.
         */
        if (!currentSample.hasUsableData()) {
            log.info("Sample is not expected to have any data");
            return;
        }

        if (currentSample.getPlatforms().size() > 1) {
            log.warn("Multi-platform sample: " + currentSample);
        }

        GeoPlatform samplePlatform = currentSample.getPlatforms().iterator().next();
        assert samplePlatform != null;
        Collection<String> designElementNames = samplePlatform.getColumnData(samplePlatform.getIdColumnName());
        if (designElementNames == null)
            throw new IllegalStateException(samplePlatform + " did not have recognizable id column");

        if (log.isDebugEnabled())
            log.debug("Checking " + currentSample + " for missing design elements on " + samplePlatform);

        GeoValues values = results.getSeriesMap().get(currentSeriesAccession).getValues();

        Collection<Object> qTypeIndexes = values.getQuantitationTypes(samplePlatform);

        int countMissing = 0;
        String lastMissingValue = null;
        for (String el : designElementNames) {
            if (!processedDesignElements.contains(el)) {
                countMissing++;
                lastMissingValue = el;
                for (Object i : qTypeIndexes) {
                    values.addValue(currentSample, (Integer) i, el, " ");
                }
                if (log.isDebugEnabled())
                    log.debug("Added data missing from sample=" + currentSample + " for probe=" + el + " on "
                            + samplePlatform);
            }
        }
        if (countMissing > 0) {
            log.warn("Added data missing for " + countMissing + " probes for sample=" + currentSample + "  on "
                    + samplePlatform + "; last probe with missing data was " + lastMissingValue);
        }

    }

    /**
     * Add a new sample to the results.
     * 
     * @param sampleAccession
     */
    private void addNewSample(String sampleAccession) {
        if (log.isDebugEnabled())
            log.debug("Adding new sample " + sampleAccession);
        GeoSample newSample = new GeoSample();
        newSample.setGeoAccession(sampleAccession);
        results.getSampleMap().put(sampleAccession, newSample);
    }

    /**
     * @param value
     */
    private void addSeriesSample(String value) {
        if (!results.getSampleMap().containsKey(value)) {
            log.debug("New sample (for series): " + value);
            addNewSample(value);
        }
        log.debug("Adding sample: " + value + " to series " + currentSeriesAccession);
        results.getSeriesMap().get(currentSeriesAccession).addSample(results.getSampleMap().get(value));
    }

    /**
     * @param target
     * @param property
     * @param value
     */
    private void addTo(Object target, String property, Object value) {

        try {
            if (value == null) {
                log.warn("Value is null for target=" + target + " property=" + property);
                return;
            }
            if (target == null) {
                log.warn("Target is null for value=" + value + " property=" + property);
                return;
            }
            if (property == null) {
                log.warn("Property is null for value=" + value + " target=" + target);
            }
            Method adder = target.getClass().getMethod("addTo" + WordUtils.capitalize(property),
                    new Class[] { value.getClass() });
            adder.invoke(target, new Object[] { value });
        } catch (SecurityException e) {
            throw new RuntimeException(e);
        } catch (IllegalArgumentException e) {
            throw new RuntimeException(e);
        } catch (NoSuchMethodException e) {
            throw new RuntimeException(e);
        } catch (IllegalAccessException e) {
            throw new RuntimeException(e);
        } catch (InvocationTargetException e) {
            throw new RuntimeException(e);
        }
    }

    private void checkDataCompleteness() {
        if (currentSampleAccession != null) {
            GeoSample currentSample = this.results.getSampleMap().get(currentSampleAccession);
            assert currentSample != null;
            if (currentSample.getPlatforms().size() > 1) {
                log.warn("Can't check for data completeness when sample uses more than one platform.");
            } else {
                addMissingData(currentSample);
            }
            validate();
        }
    }

    /**
     * @param contact
     * @param property
     * @param value
     */
    private void contactSet(GeoContact contact, String property, Object value) {
        if (contact == null)
            throw new IllegalArgumentException();
        try {
            BeanUtils.setProperty(contact, property, value);
        } catch (IllegalAccessException e) {
            throw new RuntimeException(e);
        } catch (InvocationTargetException e) {
            throw new RuntimeException(e);
        }
    }

    /**
     * @param object
     * @param property
     * @param value
     */
    private void contactSet(Object object, String property, Object value) {
        if (object instanceof GeoContact) {
            contactSet((GeoContact) object, property, value);
        } else if (object instanceof GeoData) {
            GeoContact contact = ((GeoData) object).getContact();
            contactSet(contact, property, value);
        }
    }

    private GeoDataset currentDataset() {
        return this.results.getDatasetMap().get(currentDatasetAccession);
    }

    private GeoPlatform currentPlatform() {
        return this.results.getPlatformMap().get(currentPlatformAccession);
    }

    private GeoSample currentSample() {
        return this.results.getSampleMap().get(currentSampleAccession);
    }

    private GeoSeries currentSeries() {
        return this.results.getSeriesMap().get(currentSeriesAccession);
    }

    /**
     * @param accession
     * @param property
     * @param value
     */
    private void datasetSet(String accession, String property, Object value) {
        GeoDataset dataset = results.getDatasetMap().get(accession);
        if (dataset == null)
            throw new IllegalArgumentException("Unknown dataset " + accession);

        if (property.equals("experimentType")) {
            value = GeoDataset.convertStringToExperimentType((String) value);
        } else if (property.equals("platformType")) {
            value = GeoDataset.convertStringToPlatformType((String) value);
        } else if (property.equals("sampleType")) {
            value = GeoDataset.convertStringToSampleType((String) value);
        } else if (property.equals("valueType")) {
            value = GeoDataset.convertStringToValueType((String) value);
        }

        try {
            BeanUtils.setProperty(dataset, property, value);
        } catch (IllegalAccessException e) {
            log.error(e, e);
            throw new RuntimeException(e);
        } catch (InvocationTargetException e) {
            log.error(e, e);
            throw new RuntimeException(e);
        }
    }

    /**
     * @param dis
     * @throws IOException
     */
    private Exception doParse(BufferedReader dis) {
        if (dis == null) {
            throw new RuntimeException("Null reader");
        }
        this.numWarnings = 0;
        haveReadPlatformHeader = false;
        haveReadSampleDataHeader = false;
        alreadyWarnedAboutClobbering = false;
        alreadyWarnedAboutInconsistentColumnOrder = false;
        alreadyWarnedAboutDuplicateColumnName = false;
        String line = "";
        parsedLines = 0;
        processedDesignElements.clear();

        StopWatch timer = new StopWatch();
        timer.start();
        try {

            while ((line = dis.readLine()) != null) {
                if (StringUtils.isBlank(line)) {
                    continue;
                }

                parseLine(line);
                if (++parsedLines % 20000 == 0 && Thread.currentThread().isInterrupted()) {
                    dis.close(); // clean up
                    throw new java.util.concurrent.CancellationException(
                            "Thread was terminated during parsing. " + this.getClass());
                }
            }

            tidyUp();

        } catch (Exception e) {
            log.error("Parsing failed (Cancelled?) :" + e.getMessage());
            /*
             * This happens if there was a cancellation.
             */
            throw new RuntimeException(e);
        }

        timer.stop();
        if (timer.getTime() > 10000) { // 10 s
            log.info("Parsed total of " + parsedLines + " lines in "
                    + String.format("%.2gs", timer.getTime() / 1000.0));
        }
        log.debug(this.platformLines + " platform  lines");
        log.debug(this.seriesDataLines + " series data lines");
        log.debug(this.dataSetDataLines + " data set data lines");
        log.debug(this.sampleDataLines + " sample data lines");
        return null;
    }

    /**
     * Check for problems and fix them.
     */
    private void tidyUp() {

        checkForAndFixMissingColumnNames();
    }

    /**
     * Due to bug 2326, when a sample has no data at all.
     * 
     * @param sampleMap
     */
    private void checkForAndFixMissingColumnNames() {
        Map<String, GeoSample> sampleMap = this.results.getSampleMap();
        List<String> representativeColumnNames = null;
        GeoSample representativeSample = null;
        for (GeoSample sam : sampleMap.values()) {
            if (!sam.getColumnNames().isEmpty()) {
                representativeColumnNames = sam.getColumnNames();
                representativeSample = sam;
                break;
            }
        }

        if (representativeColumnNames == null || representativeSample == null) {
            return;
        }

        for (GeoSample sam : sampleMap.values()) {
            if (sam.getColumnNames().isEmpty()) {
                int i = 0;
                for (String colName : representativeColumnNames) {
                    sam.addColumnName(colName);
                    sam.getColumnDescriptions().add(representativeSample.getColumnDescriptions().get(i));
                    i++;
                }

            }
        }
    }

    /**
     * @param line
     * @return
     */
    private int extractChannelNumber(String line) {
        int chIndex = line.lastIndexOf("_ch");
        if (chIndex < 0)
            return 1; // that's okay, there is only one channel.
        String candidateInt = line.substring(chIndex + 3, chIndex + 4);
        try {
            return Integer.parseInt(candidateInt);
        } catch (NumberFormatException e) {
            return 1;
        }
    }

    /**
     * Turns a line in the format #key = value into a column name and description. This is used to handle lines such as
     * (in a platform section of a GSE file):
     * 
     * <pre>
     * #SEQ_LEN = Sequence length
     * </pre>
     * 
     * @param line
     * @param dataToAddTo GeoData object, must not be null.
     */
    private void extractColumnIdentifier(String line, GeoData dataToAddTo) {
        if (dataToAddTo == null)
            throw new IllegalArgumentException("Data cannot be null");

        Map<String, String> res = extractKeyValue(line);

        if (res == null)
            return;

        String columnName = res.keySet().iterator().next();
        dataToAddTo.addColumnName(columnName);
        dataToAddTo.getColumnDescriptions().add(res.get(columnName));
        if (log.isDebugEnabled())
            log.debug("Adding " + columnName + " to column names for " + dataToAddTo);
    }

    /**
     * Extract a key and value pair from a line in the format #key = value.
     * 
     * @param line.
     * @return Map containing the String key and String value. Return null if it is misformatted.
     */
    private Map<String, String> extractKeyValue(String line) {
        if (!line.startsWith("#"))
            throw new IllegalArgumentException("Wrong type of line");
        Map<String, String> result = new HashMap<String, String>();
        String fixed = line.substring(line.indexOf('#') + 1);

        String[] tokens = fixed.split("=", 2);
        if (tokens.length != 2) {
            log.warn("Invalid key-value line, expected an '=' somewhere, got: '" + line + "'");
            return null;
        }
        String key = tokens[0];
        String value = tokens[1];
        key = StringUtils.strip(key);
        value = StringUtils.strip(value);
        result.put(key, value);
        return result;
    }

    /**
     * Extract a value from a line in the format xxxx=value.
     * 
     * @param line
     * @return String following the first occurrence of '=', or null if there is no '=' in the String.
     */
    private String extractValue(String line) {
        int eqIndex = line.indexOf('=');
        if (eqIndex < 0) {
            return null; // that's okay, there are lines that just indicate the end of sections.
        }

        return StringUtils.strip(line.substring(eqIndex + 1));
    }

    /**
     * Parse a line to extract an integer <em>n</em> from the a variable description line like "!Series_variable_[n] =
     * age"
     * 
     * @param line
     * @return int
     * @throws Exception if the line doesn't fit the format.
     */
    private int extractVariableNumber(String line) {
        Pattern p = Pattern.compile("_(\\d+)$");
        Matcher m = p.matcher(line);
        if (m.matches()) {
            try {
                return Integer.parseInt(line.substring(m.start(1)));
            } catch (NumberFormatException e) {
                throw new IllegalArgumentException("Wrong kind of string: " + line);
            }
        }
        throw new IllegalArgumentException("Wrong kind of string: " + line);
    }

    /**
     * This is run once for each sample, to try to figure out where the data are for each quantitation type (because it
     * can vary from sample to sample). Each platform in the series gets its own reference.
     * <p>
     * Note that the first column is the "ID_REF"; the first 'real' quantitation type gets column number 0. This
     * initialization is run for each sample.
     */
    private void initializeQuantitationTypes() {
        wantedQuantitationTypes.clear();
        quantitationTypeTargetColumn.clear();
        GeoSeries geoSeries = results.getSeriesMap().get(currentSeriesAccession);
        if (geoSeries == null) {
            throw new IllegalStateException("No series is being parsed");
        }

        GeoValues values = geoSeries.getValues();
        Map<GeoPlatform, Integer> currentIndex = new HashMap<GeoPlatform, Integer>();
        Collection<String> seenColumnNames = new HashSet<String>();

        /*
         * In some data sets, the quantitation types are not in the same columns in different samples. ARRRGH!
         */
        Collection<GeoPlatform> platforms = this.currentSample().getPlatforms();
        if (platforms.size() > 1) {
            log.warn("Multiple platforms for " + this.currentSample());
        }

        GeoPlatform platformForSample = platforms.iterator().next();
        log.debug("Initializing quantitation types for " + currentSample() + ", Platform=" + platformForSample);

        if (currentSample().getColumnNames().isEmpty()) {
            /*
             * We need to fill in dummy values.
             */
            geoSeries.getValues().addSample(currentSample());
        }

        for (String columnName : currentSample().getColumnNames()) {
            boolean isWanted = values.isWantedQuantitationType(columnName, this.aggressiveQuantitationTypeRemoval);

            if (!isWanted)
                log.debug(columnName + " will not be included in final data");

            if (!currentIndex.containsKey(platformForSample)) {
                currentIndex.put(platformForSample, 0);
            }

            int actualColumnNumber = currentIndex.get(platformForSample) - 1;

            /*
             * In some datasets (e.g. GSE432) the column names are not distinct. ARRRGH. We try to salvage the situation
             * by adding a suffix to the name.
             */
            if (seenColumnNames.contains(columnName)) {

                if (!alreadyWarnedAboutDuplicateColumnName) {
                    log.warn("\n---------- WARNING ------------\n" + columnName
                            + " appears more than once for sample " + currentSample()
                            + ", it will be mangled to make it unique.\nThis usually indicates a problem with the GEO file format! (future similar warnings for this data set suppressed)\n");
                    alreadyWarnedAboutDuplicateColumnName = true;
                }
                /*
                 * This method of mangling the name means that the repeated name had better show up in the same column
                 * each time. If it doesn't, then things are REALLY confused.
                 */
                columnName = columnName + "___" + actualColumnNumber;
            }

            initMaps(platformForSample);

            /*
             * Stores the column index for the column name.
             */
            Map<String, Integer> qtMapForPlatform = quantitationTypeKey.get(platformForSample);

            /*
             * Once we've seen a column, we check to see if it is in the same place as before.
             */
            Integer desiredColumnNumber = actualColumnNumber;
            if (qtMapForPlatform.containsKey(columnName)) {
                desiredColumnNumber = qtMapForPlatform.get(columnName);
                if (desiredColumnNumber != actualColumnNumber) {
                    if (!alreadyWarnedAboutInconsistentColumnOrder) {
                        log.warn("\n---------- POSSIBLE GEO FILE FORMAT PROBLEM WARNING! ------------\n"
                                + columnName + " is not in previous column " + desiredColumnNumber
                                + ":\nFor sample " + currentSample() + ", it is in column " + actualColumnNumber
                                + ". This usually isn't a problem but it's worth checking to make sure data isn't misaligned"
                                + " (future warnings for this data set suppressed)\n");
                        alreadyWarnedAboutInconsistentColumnOrder = true;
                    }
                    /*
                     * This is used to put the data in the right place later. We know the actual column is where it is
                     * NOW, for this sample, but in our data structure we put it where we EXPECT it to be (where it was
                     * the first time we saw it). This is our attempt to fix problems with columns moving around.
                     */
                    quantitationTypeTargetColumn.get(platformForSample).put(actualColumnNumber,
                            desiredColumnNumber);
                }
                values.addQuantitationType(platformForSample, columnName, desiredColumnNumber);
            } else {
                /*
                 * First time we see this column name (for the platform for the current sample). Normally we assume it
                 * just goes at the column index we're at. However, make sure that there isn't another column name in
                 * this sample that should be at the same index. We have to 'look ahead'. This isn't the usual case, but
                 * it isn't rare either. (Example: GSE3500)
                 */
                boolean clobbers = willClobberOtherQuantitationType(columnName, actualColumnNumber,
                        qtMapForPlatform);

                if (clobbers) {
                    // we need to put it at the end - at the highest index we know about.
                    Collection<Integer> allIndexes = qtMapForPlatform.values();
                    int max = -1;
                    for (Integer v : allIndexes) {
                        if (v > max) {
                            max = v;
                        }
                    }
                    desiredColumnNumber = max + 1;
                    quantitationTypeTargetColumn.get(platformForSample).put(actualColumnNumber,
                            desiredColumnNumber);
                    if (!alreadyWarnedAboutClobbering) {
                        log.warn("\n---------- POSSIBLE GEO FILE FORMAT PROBLEM WARNING! ------------\n"
                                + "Current column name " + columnName + " reassigned to index "
                                + desiredColumnNumber
                                + " to avoid clobbering. This usually isn't a problem but it's worth checking to make sure data isn't misaligned "
                                + "(future similar warnings for this data set suppressed)\n");
                        alreadyWarnedAboutClobbering = true;
                    }
                }
                log.debug(columnName + " ---> " + desiredColumnNumber);
                qtMapForPlatform.put(columnName, desiredColumnNumber);
                values.addQuantitationType(platformForSample, columnName, desiredColumnNumber);
            }

            /*
             * Some quantitation types are skipped to save space.
             */
            if (!isWanted) {
                if (log.isDebugEnabled())
                    log.debug("Data column " + columnName + " will be skipped for " + currentSample()
                            + " - it is an 'unwanted' quantitation type (column number "
                            + currentIndex.get(platformForSample) + ", " + desiredColumnNumber
                            + "the quantitation type.)");
            } else {
                wantedQuantitationTypes.add(desiredColumnNumber);
            }

            seenColumnNames.add(columnName);

            // update the current index, note that it is platform-specific.
            currentIndex.put(platformForSample, currentIndex.get(platformForSample) + 1);
        } // end iteration over column names.

    }

    /**
     * @param platformForSample
     */
    private void initMaps(GeoPlatform platformForSample) {
        if (!quantitationTypeKey.containsKey(platformForSample)) {
            quantitationTypeKey.put(platformForSample, new HashMap<String, Integer>());

        }
        if (!quantitationTypeTargetColumn.containsKey(platformForSample)) {
            quantitationTypeTargetColumn.put(platformForSample, new HashMap<Integer, Integer>());
        }
    }

    private boolean isWantedQuantitationType(int index) {
        return wantedQuantitationTypes.contains(index);
    }

    /**
     * @param series
     * @param value
     */
    private void lastUpdateDateSet(Object object, String value) {

        if (object instanceof GeoPlatform)
            ((GeoPlatform) object).setLastUpdateDate(value);

        else if (object instanceof GeoSeries)
            ((GeoSeries) object).setLastUpdateDate(value);

        else if (object instanceof GeoSample)
            ((GeoSample) object).setLastUpdateDate(value);
    }

    /**
     * Parse the column identifier strings from a GDS or GSE file.
     * <p>
     * In GSE files, in a 'platform' section, these become column descriptions for the platform descriptors.
     * <p>
     * For samples in GSE files, they become values for the data in the sample. For example
     * 
     * <pre>
     * #ID_REF = probe id 
     * #VALUE = RMA value
     * </pre>
     * <p>
     * FIXME For subsets, these lines are ignored (do they even occur?). In 'series' sections of GSE files, the data are
     * kept (but does this occur?) .
     * <p>
     * In GDS files, if we are in a 'dataset' section, these become "titles" for the samples if they aren't already
     * provided. Here is an example.
     * 
     * <pre>
     * #GSM549 = Value for GSM549: lexA vs. wt, before UV treatment, MG1655; src: 0' wt, before UV treatment, 25 ug total RNA, 2 ug pdN6&lt;-&gt;0' lexA, before UV 25 ug total RNA, 2 ug pdN6
     * #GSM542 = Value for GSM542: lexA 20' after NOuv vs. 0', MG1655; src: 0', before UV treatment, 25 ug total RNA, 2 ug pdN6&lt;-&gt;lexA 20 min after NOuv, 25 ug total RNA, 2 ug pdN6
     * #GSM543 = Value for GSM543: lexA 60' after NOuv vs. 0', MG1655; src: 0', before UV treatment, 25 ug total RNA, 2 ug pdN6&lt;-&gt;lexA 60 min after NOuv, 25 ug total RNA, 2 ug pdN6
     * </pre>
     * 
     * @param line
     */
    private void parseColumnIdentifier(String line) {
        if (inPlatform) {
            extractColumnIdentifier(line, currentPlatform());
        } else if (inSample) {
            if (!processPlatformsOnly) {
                extractColumnIdentifier(line, currentSample());
            }
        } else if (inSeries) {
            if (!processPlatformsOnly)
                extractColumnIdentifier(line, currentSeries());
        } else if (inSubset) {
            // nothing.
        } else if (inDataset) {
            if (processPlatformsOnly)
                return;

            /*
             * Datasets give titles to samples that sometimes differ from the ones given in the GSE files. Sometimes
             * these are useful to keep around (for matching across data sets), so we store it in an "auxiliary" title.
             */

            extractColumnIdentifier(line, currentDataset());
            Map<String, String> res = extractKeyValue(line);
            String potentialSampleAccession = res.keySet().iterator().next();
            String potentialTitle = res.get(potentialSampleAccession);

            // First add the sample if we haven't seen it before.
            if (potentialSampleAccession.startsWith("GSM")
                    && !results.getSampleMap().containsKey(potentialSampleAccession)) {
                this.addNewSample(potentialSampleAccession);
            }

            // Set the titleInDataset
            if (potentialSampleAccession.startsWith("GSM") && !StringUtils.isBlank(potentialTitle)) {
                potentialTitle = potentialTitle.substring(potentialTitle.indexOf(':') + 2); // throw out the
                sampleSet(potentialSampleAccession, "titleInDataset", potentialTitle);
            }

        } else {
            throw new IllegalStateException("Wrong state to deal with '" + line + "'");
        }
    }

    /**
     * Parse a line in a 'dataset' section of a GDS file. This is metadata about the experiment.
     * 
     * @param line
     * @param value
     */
    private void parseDatasetLine(String line, String value) {
        if (this.processPlatformsOnly)
            return;
        /***************************************************************************************************************
         * DATASET
         **************************************************************************************************************/
        if (startsWithIgnoreCase(line, "!Dataset_title")) {
            datasetSet(currentDatasetAccession, "title", value);
        } else if (startsWithIgnoreCase(line, "!dataset_description")) {
            datasetSet(currentDatasetAccession, "title", value);
        } else if (startsWithIgnoreCase(line, "!dataset_maximum_probes")) {
            datasetSet(currentDatasetAccession, "numProbes", value);
        } else if (startsWithIgnoreCase(line, "!dataset_order")) {
            datasetSet(currentDatasetAccession, "order", value);
        } else if (startsWithIgnoreCase(line, "!dataset_organism")) { // note, no longer used?
            datasetSet(currentDatasetAccession, "organism", value);
        } else if (startsWithIgnoreCase(line, "!dataset_platform_organism")) { // redundant, we get this from the
            // series
            // results.getPlatformMap().get( currentDatasetPlatformAccession ).addToOrganisms( value );
        } else if (startsWithIgnoreCase(line, "!dataset_platform_technology_type")) {
            // results.getPlatformMap().get( currentDatasetPlatformAccession ).setTechnology( value ); // we also get
            // this
            // // from the platform
            // // directly.
        } else if (startsWithIgnoreCase(line, "!dataset_platform")) {
            if (!results.getPlatformMap().containsKey(value)) {
                results.getPlatformMap().put(value, new GeoPlatform());
                results.getPlatformMap().get(value).setGeoAccession(value);
            }
            results.getDatasetMap().get(currentDatasetAccession).setPlatform(results.getPlatformMap().get(value));
            // currentDatasetPlatformAccession = value;
        } else if (startsWithIgnoreCase(line, "!dataset_probe_type")) { // obsolete
            datasetSet(currentDatasetAccession, "platformType", value);
        } else if (startsWithIgnoreCase(line, "!dataset_platform_technology_type")) {
            datasetSet(currentDatasetAccession, "platformType", value);
        } else if (startsWithIgnoreCase(line, "!dataset_reference_series")) {
            if (!results.getSeriesMap().containsKey(value)) {
                log.debug("Adding series " + value);
                results.getSeriesMap().put(value, new GeoSeries());
                results.getSeriesMap().get(value).setGeoAccession(value);
            }

            // FIXME this is really a bug: the same series comes up more than once, but empty in some case.
            GeoSeries series = results.getSeriesMap().get(value);
            if (!results.getDatasetMap().get(currentDatasetAccession).getSeries().contains(series)) {
                log.debug(currentDatasetAccession + " already has reference to series " + value);
            }

            if (series.getSamples() != null && series.getSamples().size() > 0) {
                results.getDatasetMap().get(currentDatasetAccession).addSeries(series);
            } else {
                log.warn("Empty series " + series);
            }

        } else if (startsWithIgnoreCase(line, "!dataset_total_samples")) {
            datasetSet(currentDatasetAccession, "numSamples", value);
        } else if (startsWithIgnoreCase(line, "!dataset_sample_count")) { // is this the same as "total_samples"?
            datasetSet(currentDatasetAccession, "numSamples", value);
        } else if (startsWithIgnoreCase(line, "!dataset_update_date")) {
            datasetSet(currentDatasetAccession, "updateDate", value);
        } else if (startsWithIgnoreCase(line, "!dataset_value_type")) {
            datasetSet(currentDatasetAccession, "valueType", value);
        } else if (startsWithIgnoreCase(line, "!dataset_completeness")) {
            datasetSet(currentDatasetAccession, "completeness", value);
        } else if (startsWithIgnoreCase(line, "!dataset_experiment_type")) {
            datasetSet(currentDatasetAccession, "experimentType", value); // this is now "platform type"? in new GEO
            // files?
        } else if (startsWithIgnoreCase(line, "!dataset_type")) {
            datasetSet(currentDatasetAccession, "datasetType", value);
        } else if (startsWithIgnoreCase(line, "!dataset_feature_count")) {
            datasetSet(currentDatasetAccession, "featureCount", value);
        } else if (startsWithIgnoreCase(line, "!dataset_sample_organism")) {
            datasetSet(currentDatasetAccession, "organism", value); // note, redundant with 'organism'.
        } else if (startsWithIgnoreCase(line, "!dataset_sample_type")) {
            datasetSet(currentDatasetAccession, "sampleType", value);
        } else if (startsWithIgnoreCase(line, "!dataset_pubmed_id")) {
            datasetSet(currentDatasetAccession, "pubmedId", value);
        } else if (startsWithIgnoreCase(line, "!dataset_table_begin")) {
            this.inDatasetTable = true;
            // haveReadDatasetDataHeader = false;
        } else if (startsWithIgnoreCase(line, "!dataset_table_end")) {
            this.inDatasetTable = false;
        } else if (startsWithIgnoreCase(line, "!dataset_channel_count")) {
            datasetSet(currentDatasetAccession, "channelCount", Integer.parseInt(value));
        } else {
            log.error("Unknown flag in dataset: " + line);
        }
    }

    /**
     * @param line
     */
    private void parseLine(String line) {
        if (StringUtils.isBlank(line))
            return;
        if (line.startsWith("^")) {
            if (startsWithIgnoreCase(line, "^DATABASE")) {
                inDatabase = true;
                inSubset = false;
                inDataset = false;
                inSample = false;
                inPlatform = false;
                inSeries = false;
            } else if (startsWithIgnoreCase(line, "^SAMPLE")) {

                processedDesignElements.clear();
                inSample = true;
                inSubset = false;
                inDataset = false;
                inDatabase = false;
                inPlatform = false;
                inSeries = false;
                if (this.processPlatformsOnly)
                    return;
                String value = extractValue(line);
                currentSampleAccession = value;
                log.debug("Starting new sample " + value);
                if (results.getSampleMap().containsKey(value))
                    return;
                addNewSample(value);
            } else if (startsWithIgnoreCase(line, "^PLATFORM")) {
                inPlatform = true;
                inSubset = false;
                inDataset = false;
                inDatabase = false;
                inSample = false;
                inSeries = false;
                String value = extractValue(line);
                currentPlatformAccession = value;
                if (results.getPlatformMap().containsKey(value))
                    return;
                GeoPlatform platform = new GeoPlatform();
                platform.setGeoAccession(value);
                results.getPlatformMap().put(value, platform);
                log.info("Starting platform " + platform);
            } else if (startsWithIgnoreCase(line, "^SERIES")) {
                inSeries = true;
                inSubset = false;
                inDataset = false;
                inPlatform = false;
                inSample = false;
                inDatabase = false;
                if (this.processPlatformsOnly)
                    return;
                String value = extractValue(line);
                currentSeriesAccession = value;
                if (results.getSeriesMap().containsKey(value))
                    return;
                GeoSeries series = new GeoSeries();
                series.setGeoAccession(value);
                results.getSeriesMap().put(value, series);
                log.debug("In series " + series);
            } else if (startsWithIgnoreCase(line, "^DATASET")) {
                inDataset = true;
                inSubset = false;
                inSeries = false;
                inPlatform = false;
                inSample = false;
                inDatabase = false;
                if (this.processPlatformsOnly)
                    return;
                String value = extractValue(line);
                currentDatasetAccession = value;
                if (results.getDatasetMap().containsKey(value))
                    return;
                GeoDataset ds = new GeoDataset();
                ds.setGeoAccession(value);
                results.getDatasetMap().put(value, ds);
                log.debug("In dataset " + ds);
            } else if (startsWithIgnoreCase(line, "^SUBSET")) {
                inSubset = true;
                inDataset = false;
                inSeries = false;
                inPlatform = false;
                inSample = false;
                inDatabase = false;
                if (this.processPlatformsOnly)
                    return;
                String value = extractValue(line);
                currentSubsetAccession = value;
                if (results.getSubsetMap().containsKey(value))
                    return;
                GeoSubset ss = new GeoSubset();
                ss.setGeoAccession(value);
                ss.setOwningDataset(results.getDatasetMap().get(this.currentDatasetAccession));
                results.getDatasetMap().get(this.currentDatasetAccession).addSubset(ss);
                results.getSubsetMap().put(value, ss);
                log.debug("In subset " + ss);
            } else {
                log.error("Unknown flag in subset: " + line);
            }
        } else {
            parseRegularLine(line);
        }
    }

    /**
     * If a line does not have the same number of fields as the column headings, it is skipped.
     * 
     * @param line
     */
    private void parsePlatformLine(String line) {

        if (!haveReadPlatformHeader) {
            haveReadPlatformHeader = true;
            return;
        }
        GeoPlatform currentPlatform = results.getPlatformMap().get(currentPlatformAccession);
        assert currentPlatform != null;

        /*
         * Skip platform information when it is not going to be usable, unless we are ONLY parsing a platform.
         */
        // Actually this isn't as important, since we filter out bad elements.
        // if ( !processPlatformsOnly && !currentPlatform.useDataFromGeo() ) {
        // return;
        // }

        String[] tokens = StringUtils.splitPreserveAllTokens(line, FIELD_DELIM);

        List<String> columnNames = currentPlatform.getColumnNames();
        int numColumns = columnNames.size();

        if (numColumns != tokens.length && numWarnings < MAX_WARNINGS) {
            log.warn("Wrong number of tokens in line (" + tokens.length + ", expected " + numColumns
                    + "), line was '" + line + "'; Possible corrupt file or invalid format?");
            numWarnings++;
            if (numWarnings == MAX_WARNINGS) {
                log.warn("Further warnings suppressed");
            }

            return;
        }

        GeoPlatform platform = currentPlatform;

        for (int i = 0; i < tokens.length; i++) {
            String token = tokens[i];
            String columnName = columnNames.get(i);
            platform.addToColumnData(columnName, token);
        }
        platformLines++;
    }

    /**
     * Parse a line in a 'platform' section of a GSE file. This deals with meta-data about the platform.
     * 
     * @param line
     * @param value
     */
    private void parsePlatformLine(String line, String value) {
        /***************************************************************************************************************
         * PLATFORM
         **************************************************************************************************************/
        if (startsWithIgnoreCase(line, "!Platform_title")) {
            platformSet(currentPlatformAccession, "title", value);
        } else if (startsWithIgnoreCase(line, "!Platform_geo_accession")) {
            currentPlatformAccession = value;
        } else if (startsWithIgnoreCase(line, "!Platform_status")) {
            platformSet(currentPlatformAccession, "status", value);
        } else if (startsWithIgnoreCase(line, "!Platform_manufacturer")) {
            platformSet(currentPlatformAccession, "manufacturer", value);
        } else if (startsWithIgnoreCase(line, "!Platform_manufacture_protocol")) {
            platformSet(currentPlatformAccession, "manufactureProtocol", value);
        } else if (startsWithIgnoreCase(line, "!Platform_submission_date")) {
            platformSet(currentPlatformAccession, "submissionDate", value);
        } else if (startsWithIgnoreCase(line, "!Platform_technology")) {
            platformSet(currentPlatformAccession, "technology", value);
        } else if (startsWithIgnoreCase(line, "!Platform_distribution")) {
            platformSet(currentPlatformAccession, "distribution", value);
        } else if (startsWithIgnoreCase(line, "!Platform_organism")) {
            platformAddTo(currentPlatformAccession, "organisms", value);
        } else if (startsWithIgnoreCase(line, "!Platform_description")) {
            platformAddTo(currentPlatformAccession, "description", value);
        } else if (startsWithIgnoreCase(line, "!Platform_contact_name")) {
            platformContactSet(currentPlatformAccession, "name", value);
        } else if (startsWithIgnoreCase(line, "!Platform_contact_email")) {
            platformContactSet(currentPlatformAccession, "email", value);
        } else if (startsWithIgnoreCase(line, "!Platform_contact_institute")) {
            platformContactSet(currentPlatformAccession, "institute", value);
        } else if (startsWithIgnoreCase(line, "!Platform_contact_laboratory")) {
            platformContactSet(currentPlatformAccession, "laboratory", value);
        } else if (startsWithIgnoreCase(line, "!Platform_contact_department")) {
            platformContactSet(currentPlatformAccession, "department", value);
        } else if (startsWithIgnoreCase(line, "!Platform_contact_address")) { // may not be used any more.
            platformContactSet(currentPlatformAccession, "address", value);
        } else if (startsWithIgnoreCase(line, "!Platform_contact_city")) {
            platformContactSet(currentPlatformAccession, "city", value);
        } else if (startsWithIgnoreCase(line, "!Platform_contact_zip/postal_code")) {
            platformContactSet(currentPlatformAccession, "postCode", value);
        } else if (startsWithIgnoreCase(line, "!Platform_contact_state")) {
            platformContactSet(currentPlatformAccession, "state", value);
        } else if (startsWithIgnoreCase(line, "!Platform_contact_country")) {
            platformContactSet(currentPlatformAccession, "country", value);
        } else if (startsWithIgnoreCase(line, "!Platform_contact_phone")) {
            platformContactSet(currentPlatformAccession, "phone", value);
        } else if (startsWithIgnoreCase(line, "!Platform_contact_web_link")) {
            platformContactSet(currentPlatformAccession, "webLink", value);
        } else if (startsWithIgnoreCase(line, "!Platform_support")) {
            // use this (maybe)
        } else if (startsWithIgnoreCase(line, "!Platform_coating")) {
            // use this (maybe)
        } else if (startsWithIgnoreCase(line, "!Platform_contact_fax")) {
            platformContactSet(currentSeriesAccession, "fax", value);
        } else if (startsWithIgnoreCase(line, "!Platform_web_link")) {
            platformSet(currentPlatformAccession, "webLink", value);
        } else if (startsWithIgnoreCase(line, "!Platform_sample_id")) {
            platformSet(currentPlatformAccession, "id", value);
        } else if (startsWithIgnoreCase(line, "!Platform_table_begin")) {
            inPlatformTable = true;
            haveReadPlatformHeader = false;
        } else if (startsWithIgnoreCase(line, "!Platform_table_end")) {
            inPlatformTable = false;
        } else if (startsWithIgnoreCase(line, "!Platform_contributor")) {
            // noop. This is the name of the person who submitted the platform.
        } else if (startsWithIgnoreCase(line, "!Platform_series_id")) {
            // no-op. This identifies which series were run on this platform. We don't care to get this
            // information this way.
        } else if (startsWithIgnoreCase(line, "!Platform_data_row_count")) {
            // nothing. However, if this is zero, we might be able to skip later steps.
        } else if (startsWithIgnoreCase(line, "!Platform_catalog_number")) {
            // do nothing
        } else if (startsWithIgnoreCase(line, "!Platform_last_update_date")) {
            platformLastUpdateDate(currentPlatformAccession, value);
        } else if (startsWithIgnoreCase(line, "!Platform_supplementary_file")) {
            platformSupplementaryFileSet(currentPlatformAccession, value);
        } else if (startsWithIgnoreCase(line, "!Platform_pubmed_id")) {
            // do nothing. for now.
        } else if (startsWithIgnoreCase(line, "!Platform_relation")) {
            // no op for now. Links to other platforms this is derived from.
        } else if (startsWithIgnoreCase(line, "!Platform_taxid")) {
            // no op for now....
        } else {
            log.error("Unknown flag in platform: " + line);
        }
    }

    /**
     * Parse lines in GSE and GDS files. Lines are classified into three types:
     * <ul>
     * <li>Starting with "!". These indicate meta data.
     * <li>Starting with "#". These indicate descriptions of columns in a data table.
     * <li>Starting with anything else, primarily (only?) data tables (expression data or platform probe annotations).
     * </ul>
     * 
     * @param line
     */
    private void parseRegularLine(String line) {
        if (line.startsWith("!")) {
            String value = extractValue(line);
            if (inSample) {
                parseSampleLine(line, value);
            } else if (inSeries) {
                parseSeriesLine(line, value);
            } else if (inDatabase) {
                // we are going to ignore these lines.
            } else if (inPlatform) {
                parsePlatformLine(line, value);
            } else if (inDataset) {
                inDatasetTable = true;
                parseDatasetLine(line, value);
            } else if (inSubset) {
                parseSubsetLine(line, value);
            } else {
                throw new IllegalStateException("Unknown flag: " + line);
            }
        } else if (line.startsWith("#")) {
            parseColumnIdentifier(line);
        } else {
            if (inPlatformTable) {
                parsePlatformLine(line);
            } else if (inSampleTable) {
                parseSampleDataLine(line);
            } else if (inSeriesTable) {
                // we ignore this and use the sample data instead.
                // parseSeriesDataLine( line );
            } else if (inDatasetTable) {
                // parseDataSetDataLine( line ); // we ignore this and use the sample data instead.
            } else if (inSubset) {
                // do nothing.
            } else {
                // throw new IllegalStateException( "Wrong state to deal with '" + line + "'" );
            }
        }

    }

    /**
     * The data for one sample is all the values for each quantitation type.
     * <p>
     * Important implementation note: In the sample table sections of GSEXXX_family files, the first column is always
     * ID_REF, according to the kind folks at NCBI. If this changes, this code will BREAK.
     * <p>
     * Similarly, the column names between the different samples are not necessarily the same, but we trust that they
     * all refer to the same quantitation types in the same order, for a given platform. That is, the nth column for
     * this sample 'means' the same thing as the nth column for another sample in this series (on the same platform). If
     * that isn't true, this will be BROKEN. However, we do try to sort it out if we can.
     * 
     * @param line
     * @see initializeQuantitationTypes
     */
    private void parseSampleDataLine(String line) {

        if (StringUtils.isBlank(line))
            return;

        if (!haveReadSampleDataHeader) {
            haveReadSampleDataHeader = true;
            previousNumTokens = null;
            initializeQuantitationTypes();
            return;
        }

        GeoSample sample = results.getSampleMap().get(currentSampleAccession);

        /*
         * skip this step if it's not a supported platform type (RNA-seq, exon arrays: we put the data in later)
         */
        if (!sample.hasUsableData()) {
            return;
        }

        String[] tokens = StringUtils.splitPreserveAllTokens(line, FIELD_DELIM);

        assert tokens != null;

        /*
         * This can happen in some files that are mildly corrupted. -- we have to ignore it.
         */
        if (tokens.length <= 1 && numWarnings < MAX_WARNINGS) {
            log.error("Parse error, sample data line has too few elements (" + tokens.length + "), line was '"
                    + line + "'");
            numWarnings++;
            if (numWarnings == MAX_WARNINGS) {
                log.warn("Further warnings suppressed");
            }
            return;
        }

        if (previousNumTokens != null && tokens.length != previousNumTokens) {
            log.warn("Last line had " + (previousNumTokens - 1) + " quantitation types, this one has "
                    + (tokens.length - 1));
        }

        previousNumTokens = tokens.length;

        if (results.getSeriesMap().get(currentSeriesAccession) == null) {
            return; // this happens if we are parsing a GPL file.
        }

        GeoPlatform platformForSample = sample.getPlatforms().iterator().next(); // slow

        GeoValues values = results.getSeriesMap().get(currentSeriesAccession).getValues();

        String designElement = tokens[0]; // ID_REF. For bug 1709, adding toLower() will fix this.
        Map<Integer, Integer> map = quantitationTypeTargetColumn.get(platformForSample);

        for (int i = 1; i < tokens.length; i++) {
            String value = tokens[i];
            int qtIndex = i - 1;

            /*
             * This map tells us which column this quantitation type is SUPPOSED to go in.
             */

            if (map.containsKey(qtIndex))
                qtIndex = map.get(qtIndex);
            if (!isWantedQuantitationType(qtIndex)) {
                continue;
            }

            if (log.isTraceEnabled()) {
                log.trace("Adding: " + value + " to  quantitationType " + (qtIndex) + " for " + designElement);
            }
            values.addValue(sample, qtIndex, designElement, value);
            processedDesignElements.add(designElement);
        }

        sampleDataLines++;
    }

    /**
     * Parse a line from a sample section of a GSE file. These contain details about the samples and the 'raw' data for
     * the sample.
     * 
     * @param line
     * @param value
     */
    private void parseSampleLine(String line, String value) {
        if (this.processPlatformsOnly)
            return;

        /***************************************************************************************************************
         * SAMPLE
         **************************************************************************************************************/
        if (startsWithIgnoreCase(line, "!sample_table_begin")) {
            inSampleTable = true;
            haveReadSampleDataHeader = false;
        } else if (startsWithIgnoreCase(line, "!sample_table_end")) {
            checkDataCompleteness();
            inSampleTable = false;
        } else if (startsWithIgnoreCase(line, "!Sample_title")) {
            if (this.inDataset) {
                sampleSet(currentSampleAccession, "titleInDataset", value);
            } else {
                sampleSet(currentSampleAccession, "title", value);
            }
        } else if (startsWithIgnoreCase(line, "!Sample_geo_accession")) {
            currentSampleAccession = value;
            if (!results.getSampleMap().containsKey(currentSampleAccession)) {
                log.debug("New sample " + currentSampleAccession);
                results.getSampleMap().put(currentSampleAccession, new GeoSample());
            }
        } else if (startsWithIgnoreCase(line, "!Sample_status")) {
            sampleSet(currentSampleAccession, "status", value);
        } else if (startsWithIgnoreCase(line, "!Sample_submission_date")) {
            sampleSet(currentSampleAccession, "submissionDate", value);
        } else if (startsWithIgnoreCase(line, "!Sample_channel_count")) {
            int numExtraChannelsNeeded = Integer.parseInt(value) - 1;
            for (int i = 0; i < numExtraChannelsNeeded; i++) {
                results.getSampleMap().get(currentSampleAccession).addChannel();
            }
            sampleSet(currentSampleAccession, "channelCount", Integer.parseInt(value));
        } else if (startsWithIgnoreCase(line, "!Sample_source_name")) {
            int channel = extractChannelNumber(line);
            sampleChannelSet(currentSampleAccession, "sourceName", channel, value);
        } else if (startsWithIgnoreCase(line, "!Sample_organism")) {
            int channel = extractChannelNumber(line);
            sampleChannelSet(currentSampleAccession, "organism", channel, value);
        } else if (startsWithIgnoreCase(line, "!Sample_biomaterial_provider")) {
            int channel = extractChannelNumber(line);
            sampleChannelSet(currentSampleAccession, "bioMaterialProvider", channel, value);
        } else if (startsWithIgnoreCase(line, "!Sample_treatment_protocol")) {
            int channel = extractChannelNumber(line);
            sampleChannelAddTo(currentSampleAccession, "treatmentProtocol", channel, value);
        } else if (startsWithIgnoreCase(line, "!Sample_molecule")) {
            int channel = extractChannelNumber(line);
            sampleChannelSet(currentSampleAccession, "molecule", channel, value);
        } else if (startsWithIgnoreCase(line, "!Sample_growth_protocol")) {
            int channel = extractChannelNumber(line);
            sampleChannelAddTo(currentSampleAccession, "growthProtocol", channel, value);
        } else if (startsWithIgnoreCase(line, "!sample_extract_protocol")) {
            int channel = extractChannelNumber(line);
            sampleChannelAddTo(currentSampleAccession, "extractProtocol", channel, value);
        } else if (startsWithIgnoreCase(line, "!Sample_hyb_protocol")) {
            sampleAddTo(currentSampleAccession, "hybProtocol", value);
        } else if (startsWithIgnoreCase(line, "!Sample_scan_protocol")) {
            sampleAddTo(currentSampleAccession, "scanProtocol", value);
        } else if (startsWithIgnoreCase(line, "!Sample_data_processing")) {
            sampleAddTo(currentSampleAccession, "dataProcessing", value);
        } else if (startsWithIgnoreCase(line, "!Sample_description")) {
            sampleAddTo(currentSampleAccession, "description", value);
        } else if (startsWithIgnoreCase(line, "!Sample_label_protocol")) {
            int channel = extractChannelNumber(line);
            sampleChannelSet(currentSampleAccession, "labelProtocol", channel, value);
        } else if (startsWithIgnoreCase(line, "!Sample_label")) {
            int channel = extractChannelNumber(line);
            sampleChannelSet(currentSampleAccession, "label", channel, value);
        } else if (startsWithIgnoreCase(line, "!Sample_characteristics")) {
            int channel = extractChannelNumber(line);
            GeoSample sample = results.getSampleMap().get(currentSampleAccession);
            sample.getChannel(channel).addCharacteristic(value);
        } else if (startsWithIgnoreCase(line, "!Sample_platform_id")) {
            sampleSet(currentSampleAccession, "id", value);
            if (results.getPlatformMap().containsKey(value)) {
                results.getSampleMap().get(currentSampleAccession).addPlatform(results.getPlatformMap().get(value));
            }
        } else if (startsWithIgnoreCase(line, "!Sample_contact_name")) {
            sampleContactSet(currentSampleAccession, "name", value);
        } else if (startsWithIgnoreCase(line, "!Sample_contact_email")) {
            sampleContactSet(currentSampleAccession, "email", value);
        } else if (startsWithIgnoreCase(line, "!Sample_contact_institute")) {
            sampleContactSet(currentSampleAccession, "institute", value);
        } else if (startsWithIgnoreCase(line, "!Sample_contact_laboratory")) {
            sampleContactSet(currentSampleAccession, "laboratory", value);
        } else if (startsWithIgnoreCase(line, "!Sample_contact_department")) {
            sampleContactSet(currentSampleAccession, "department", value);
        } else if (startsWithIgnoreCase(line, "!Sample_contact_address")) {
            sampleContactSet(currentSampleAccession, "address", value);
        } else if (startsWithIgnoreCase(line, "!Sample_contact_city")) {
            sampleContactSet(currentSampleAccession, "city", value);
        } else if (startsWithIgnoreCase(line, "!Sample_contact_state")) {
            sampleContactSet(currentSampleAccession, "state", value);
        } else if (startsWithIgnoreCase(line, "!Sample_contact_country")) {
            sampleContactSet(currentSampleAccession, "country", value);
        } else if (startsWithIgnoreCase(line, "!Sample_contact_zip/postal_code")) {
            sampleContactSet(currentSampleAccession, "postCode", value);
        } else if (startsWithIgnoreCase(line, "!Sample_contact_phone")) {
            sampleContactSet(currentSampleAccession, "phone", value);
        } else if (startsWithIgnoreCase(line, "!Sample_contact_web_link")) {
            sampleContactSet(currentSampleAccession, "webLink", value);
        } else if (startsWithIgnoreCase(line, "!Sample_contact_fax")) {
            sampleContactSet(currentSeriesAccession, "fax", value);
        } else if (startsWithIgnoreCase(line, "!Sample_series_id")) {
            if (results.getSeriesMap().containsKey(value)) {
                results.getSeriesMap().get(value).addSample(results.getSampleMap().get(currentSampleAccession));
            }
            seriesSet(currentSeriesAccession, "seriesId", value);
            results.getSampleMap().get(currentSampleAccession).addSeriesAppearsIn(value);

        } else if (startsWithIgnoreCase(line, "!Sample_supplementary_file")) {
            sampleSupplementaryFileSet(currentSampleAccession, value);
        } else if (startsWithIgnoreCase(line, "!Sample_last_update_date")) {
            sampleLastUpdateDate(currentSampleAccession, value);
        } else if (startsWithIgnoreCase(line, "!Sample_data_row_count")) {
            if (value.equals("0")) {
                /*
                 * Empty sample, we won't get any data and this messes things up later.
                 */
                log.warn("No data for sample " + currentSampleAccession);
                initializeQuantitationTypes();
                checkDataCompleteness(); // because we don't get the table_end.
            }
        } else if (startsWithIgnoreCase(line, "!Sample_type")) {
            sampleTypeSet(currentSampleAccession, value);
        } else if (startsWithIgnoreCase(line, "!Sample_comment")) {
            // noop.
        } else if (startsWithIgnoreCase(line, "!Sample_taxid_ch")) {
            // noop.
        } else if (startsWithIgnoreCase(line, "!Sample_relation")) {
            // noop, for now. Example is "!Sample_relation = Reanalyzed by: GSE26971" in GSE12093
        } else if (startsWithIgnoreCase(line, "!Sample_instrument_model")) {
            // e.g. Illumina HiSeq 2000
        } else if (startsWithIgnoreCase(line, "!Sample_library_selection")) {
            // e.g. 'cDNA'
        } else if (startsWithIgnoreCase(line, "!Sample_library_source")) {
            // e.g. 'transcriptomic'
        } else if (startsWithIgnoreCase(line, "!Sample_library_strategy")) {
            // e.g. 'RNA-seq'
            if (value.equals("RNA-seq")) {
                sampleSet(currentSampleAccession, "mightNotHaveDataInFile", true);
            }
        } else if (startsWithIgnoreCase(line, "!Sample_anchor")) {
            // e.g. NlaIII for SAGE
        } else if (startsWithIgnoreCase(line, "!Sample_tag_length")) {
            // SAGE
        } else if (startsWithIgnoreCase(line, "!Sample_tag_count")) {
            // SAGE
        } else {
            log.error("Unknown flag in sample: " + line);
        }
    }

    /**
     * Parse a line from the "series" section of a GSE file. This contains annotations about the series.
     * 
     * @param line
     * @param value
     */
    private void parseSeriesLine(String line, String value) {
        if (this.processPlatformsOnly)
            return;
        /***************************************************************************************************************
         * SERIES
         **************************************************************************************************************/
        if (startsWithIgnoreCase(line, "!Series_title")) {
            seriesSet(currentSeriesAccession, "title", value);
        } else if (startsWithIgnoreCase(line, "!Series_geo_accession")) {
            currentSeriesAccession = value;
        } else if (startsWithIgnoreCase(line, "!Series_status")) {
            seriesSet(currentSeriesAccession, "status", value);
        } else if (startsWithIgnoreCase(line, "!Series_submission_date")) {
            seriesSet(currentSeriesAccession, "submissionDate", value);
        } else if (startsWithIgnoreCase(line, "!Series_pubmed_id")) {
            seriesAddTo(currentSeriesAccession, "pubmedIds", value);
        } else if (startsWithIgnoreCase(line, "!Series_overall_design")) {
            // FIXME add support for this description.
        } else if (startsWithIgnoreCase(line, "!Series_relation")) {

            if (value.toLowerCase().startsWith("superseries")) {
                log.info(" ** SuperSeries detected **");
                seriesSet(currentSeriesAccession, "isSuperSeries", true);
            } else if (value.toLowerCase().startsWith("subseries")) {
                log.info(" ** Subseries detected **");
                seriesSet(currentSeriesAccession, "isSubSeries", true);
            }

        } else if (startsWithIgnoreCase(line, "!Series_summary")) {

            if (value.toLowerCase().startsWith("this superseries")) {
                log.info(" ** SuperSeries detected **");
                seriesSet(currentSeriesAccession, "isSuperSeries", true);
            } else if (value.toLowerCase().startsWith("gse")
                    && results.getSeriesMap().get(currentSeriesAccession).isSuperSeries()) {
                String[] fields = value.split(":", 2);
                if (fields.length != 2) {
                    throw new IllegalStateException("Expected a colon in " + value);
                }
                results.getSeriesMap().get(currentSeriesAccession).addSubSeries(fields[0]);
            } else if (value.toLowerCase().contains("keyword")) {
                String keyword = extractValue(value);
                seriesAddTo(currentSeriesAccession, "keyWords", keyword);
            } else {
                seriesAddTo(currentSeriesAccession, "summary", value);
            }
        } else if (startsWithIgnoreCase(line, "!Series_type")) {
            seriesSet(currentSeriesAccession, "overallDesign", value);
        } else if (startsWithIgnoreCase(line, "!Series_contributor")) {
            GeoContact contributer = new GeoContact();
            String[] nameFields = StringUtils.split(value, ",");
            contributer.setName(StringUtils.join(nameFields, " "));
            results.getSeriesMap().get(currentSeriesAccession).addContributer(contributer);
        } else if (startsWithIgnoreCase(line, "!Series_sample_id")) {
            addSeriesSample(value);
        } else if (startsWithIgnoreCase(line, "!Series_contact_name")) {
            seriesContactSet(currentSeriesAccession, "name", value);
        } else if (startsWithIgnoreCase(line, "!Series_contact_email")) {
            seriesContactSet(currentSeriesAccession, "email", value);
        } else if (startsWithIgnoreCase(line, "!Series_contact_institute")) {
            seriesContactSet(currentSeriesAccession, "institute", value);
        } else if (startsWithIgnoreCase(line, "!Series_contact_laboratory")) {
            seriesContactSet(currentSeriesAccession, "laboratory", value);
        } else if (startsWithIgnoreCase(line, "!Series_contact_department")) {
            seriesContactSet(currentSeriesAccession, "department", value);
        } else if (startsWithIgnoreCase(line, "!Series_contact_address")) { // may not be used any longer.
            seriesContactSet(currentSeriesAccession, "address", value);
        } else if (startsWithIgnoreCase(line, "!Series_contact_state")) { // new
            seriesContactSet(currentSeriesAccession, "state", value);
        } else if (startsWithIgnoreCase(line, "!Series_contact_zip/postal_code")) { // new
            seriesContactSet(currentSeriesAccession, "postCode", value);
        } else if (startsWithIgnoreCase(line, "!Series_contact_country")) { // new
            seriesContactSet(currentSeriesAccession, "country", value);
        } else if (startsWithIgnoreCase(line, "!Series_contact_city")) {
            seriesContactSet(currentSeriesAccession, "city", value);
        } else if (startsWithIgnoreCase(line, "!Series_contact_phone")) {
            seriesContactSet(currentSeriesAccession, "phone", value);
        } else if (startsWithIgnoreCase(line, "!Series_contact_fax")) {
            seriesContactSet(currentSeriesAccession, "fax", value);
        } else if (startsWithIgnoreCase(line, "!Series_contact_web_link")) {
            seriesContactSet(currentSeriesAccession, "webLink", value);
        } else if (startsWithIgnoreCase(line, "!series_platform_id")) {
            seriesSet(currentSeriesAccession, "platformId", value);
        } else if (startsWithIgnoreCase(line, "!series_table_begin")) {
            inSeriesTable = true;
        } else if (startsWithIgnoreCase(line, "!series_table_end")) {
            inSeriesTable = false;
        } else if (startsWithIgnoreCase(line, "!Series_variable_description_")) {
            Integer variableId = new Integer(extractVariableNumber(line));
            results.getSeriesMap().get(currentSeriesAccession).getVariables().get(variableId).setDescription(value);
        } else if (startsWithIgnoreCase(line, "!Series_variable_sample_list_")) {
            parseSeriesVariableSampleListLine(line, value);
        } else if (startsWithIgnoreCase(line, "!Series_variable_repeats_")) {
            Integer variableId = new Integer(extractVariableNumber(line));
            results.getSeriesMap().get(currentSeriesAccession).getReplicates().get(variableId)
                    .setRepeats(GeoReplication.convertStringToRepeatType(value));
        } else if (startsWithIgnoreCase(line, "!Series_variable_repeats_sample_list")) {
            parseSeriesVariableRepeatsSampleListLine(line, value);
        } else if (startsWithIgnoreCase(line, "!Series_web_link")) {
            // seriesSet( currentSeriesAccession, "platformId", value );
        } else if (startsWithIgnoreCase(line, "!Series_variable_")) {
            Integer variableId = extractVariableNumber(line);
            GeoVariable v = new GeoVariable();
            v.setType(GeoVariable.convertStringToType(value));
            results.getSeriesMap().get(currentSeriesAccession).addToVariables(variableId, v);
        } else if (startsWithIgnoreCase(line, "!Series_supplementary_file")) {
            seriesSupplementaryFileSet(currentSeriesAccession, value);
        } else if (startsWithIgnoreCase(line, "!Series_last_update_date")) {
            seriesLastUpdateDate(currentSeriesAccession, value);
        } else if (startsWithIgnoreCase(line, "!Series_citation")) {
            // no-op. This should be redundant with the pubmed info and is hard to parse anyway
        } else if (startsWithIgnoreCase(line, "!Series_platform_taxid")) {
            // no-op for now
        } else if (startsWithIgnoreCase(line, "!Series_sample_taxid")) {
            // no-op for now.
        } else {
            log.error("Unknown flag in series: " + line);
        }
    }

    /**
     * @param line
     * @param value
     */
    private void parseSeriesVariableRepeatsSampleListLine(String line, String value) {
        Integer variableId = extractVariableNumber(line);
        GeoReplication var = currentSeries().getReplicates().get(variableId);
        Collection<String> samples = Arrays.asList(StringUtils.split(value, ", "));
        for (String string : samples) {
            GeoSample sam = results.getSampleMap().get(string);
            var.addToRepeatsSampleList(sam);
            sam.addReplication(var);
        }
    }

    /**
     * @param line
     * @param value
     */
    private void parseSeriesVariableSampleListLine(String line, String value) {
        Integer variableId = extractVariableNumber(line);
        GeoVariable var = currentSeries().getVariables().get(variableId);
        Collection<String> samples = Arrays.asList(StringUtils.split(value, ","));
        for (String string : samples) {
            GeoSample sam = results.getSampleMap().get(string);
            var.addToVariableSampleList(sam);
            sam.addVariable(var);
        }
    }

    /**
     * Parse a line from a "subset" section of a GDS file. This section contains information about experimental subsets
     * within a dataset. These usually correspond to different factor values such as "drug-treated" vs. "placebo".
     * 
     * @param line
     * @param value
     */
    private void parseSubsetLine(String line, String value) {
        /***************************************************************************************************************
         * SUBSET
         **************************************************************************************************************/
        if (startsWithIgnoreCase(line, "!Dataset_title")) {
            subsetSet(currentSubsetAccession, "title", value);
        } else if (startsWithIgnoreCase(line, "!subset_dataset_id")) {
            subsetSet(currentSubsetAccession, "dataSet", value);
        } else if (startsWithIgnoreCase(line, "!subset_description")) {
            subsetAddTo(currentSubsetAccession, "description", value);
        } else if (startsWithIgnoreCase(line, "!subset_sample_id")) {
            // This should yield a list of samples we have already seen.
            String[] values = value.split(",");
            for (int i = 0; i < values.length; i++) {
                String sampleAccession = values[i];

                if (!results.getSampleMap().containsKey(sampleAccession)) {
                    addNewSample(sampleAccession);
                }

                if (log.isDebugEnabled())
                    log.debug("Adding sample: " + sampleAccession + " to subset " + currentSubsetAccession);

                results.getSubsetMap().get(currentSubsetAccession)
                        .addSample(results.getSampleMap().get(sampleAccession));
            }

        } else if (startsWithIgnoreCase(line, "!subset_type")) {
            subsetSet(currentSubsetAccession, "type", value);
        } else {
            log.error("Unknown flag: " + line);
        }
    }

    /**
     * @param accession
     * @param property
     * @param value
     */
    private void platformAddTo(String accession, String property, Object value) {
        GeoPlatform platform = results.getPlatformMap().get(accession);
        if (platform == null)
            throw new IllegalArgumentException("Unknown platform " + accession);
        addTo(platform, property, value);
    }

    /**
     * @param accession
     * @param property
     * @param value
     */
    private void platformContactSet(String accession, String property, Object value) {
        GeoPlatform platform = results.getPlatformMap().get(accession);
        contactSet(platform, property, value);
    }

    /**
     * @param accession
     * @param value
     */
    private void platformLastUpdateDate(String accession, String value) {
        GeoPlatform platform = results.getPlatformMap().get(accession);
        lastUpdateDateSet(platform, value);
    }

    /**
     * @param accession
     * @param property
     * @param value
     */
    private void platformSet(String accession, String property, Object value) {
        GeoPlatform platform = results.getPlatformMap().get(accession);
        if (platform == null)
            throw new IllegalArgumentException("Unknown platform " + accession);

        if (property.equals("technology")) {
            assert value instanceof String;
            value = GeoDataset.convertStringToPlatformType((String) value);
        }

        try {
            BeanUtils.setProperty(platform, property, value);
        } catch (IllegalAccessException e) {
            log.error(e, e);
            throw new RuntimeException(e);
        } catch (InvocationTargetException e) {
            log.error(e, e);
            throw new RuntimeException(e);
        }
    }

    /**
     * @param accession
     * @param value
     */
    private void platformSupplementaryFileSet(String accession, String value) {
        GeoPlatform platform = results.getPlatformMap().get(accession);
        supplementaryFileSet(platform, value);
    }

    /**
     * @param currentSampleAccession2
     * @param string
     * @param value
     */
    private void sampleAddTo(String accession, String property, Object value) {
        GeoSample sample = results.getSampleMap().get(accession);
        if (sample == null)
            throw new IllegalArgumentException("Unknown sample " + accession);
        addTo(sample, property, value);
    }

    /**
     * @param currentSampleAccession2
     * @param string
     * @param channel
     * @param value
     */
    private void sampleChannelAddTo(String sampleAccession, String property, int channel, String value) {
        GeoSample sample = results.getSampleMap().get(sampleAccession);
        this.addTo(sample.getChannel(channel), property, value);
    }

    /**
     * @param currentSampleAccession2
     * @param string
     * @param channel
     * @param value
     */
    private void sampleChannelSet(String sampleAccession, String property, int channel, Object value) {
        GeoSample sample = results.getSampleMap().get(sampleAccession);

        if (property.equals("molecule")) {
            value = GeoChannel.convertStringToMolecule((String) value);
        }

        try {
            BeanUtils.setProperty(sample.getChannel(channel), property, value);
        } catch (IllegalAccessException e) {
            log.error(e, e);
            throw new RuntimeException(e);
        } catch (InvocationTargetException e) {
            log.error(e, e);
            throw new RuntimeException(e);
        }
    }

    /**
     * @param accession
     * @param property
     * @param value
     */
    private void sampleContactSet(String accession, String property, Object value) {
        GeoSample sample = results.getSampleMap().get(accession);
        contactSet(sample, property, value);
    }

    /**
     * @param accession
     * @param value
     */
    private void sampleLastUpdateDate(String accession, String value) {
        GeoSample sample = results.getSampleMap().get(accession);
        lastUpdateDateSet(sample, value);
    }

    /**
     * @param accession
     * @param property
     * @param value
     */
    private void sampleSet(String accession, String property, Object value) {
        GeoSample sample = results.getSampleMap().get(accession);
        if (sample == null)
            throw new IllegalArgumentException("Unknown sample " + accession);
        try {
            BeanUtils.setProperty(sample, property, value);
        } catch (IllegalAccessException e) {
            throw new RuntimeException(e);
        } catch (InvocationTargetException e) {
            throw new RuntimeException(e);
        }
    }

    /**
     * @param accession
     * @param value
     */
    private void sampleSupplementaryFileSet(String accession, String value) {
        GeoSample sample = results.getSampleMap().get(accession);
        supplementaryFileSet(sample, value);
    }

    /**
     * @param accession
     * @param property
     * @param value
     */
    private void seriesAddTo(String accession, String property, Object value) {
        GeoSeries series = results.getSeriesMap().get(accession);
        if (series == null)
            throw new IllegalArgumentException("Unknown series " + accession);
        addTo(series, property, value);
    }

    /**
     * @param accession
     * @param property
     * @param value
     */
    private void seriesContactSet(String accession, String property, Object value) {
        GeoSeries series = results.getSeriesMap().get(accession);
        contactSet(series, property, value);
    }

    /**
     * @param accession
     * @param value
     */
    private void seriesLastUpdateDate(String accession, String value) {
        GeoSeries series = results.getSeriesMap().get(accession);
        lastUpdateDateSet(series, value);
    }

    /**
     * @param accession
     * @param property
     * @param value
     */
    private void seriesSet(String accession, String property, Object value) {
        GeoSeries series = results.getSeriesMap().get(accession);
        if (series == null)
            throw new IllegalArgumentException("Unknown series " + accession);
        try {
            BeanUtils.setProperty(series, property, value);
        } catch (IllegalAccessException e) {
            log.error(e, e);
            throw new RuntimeException(e);
        } catch (InvocationTargetException e) {
            log.error(e, e);
            throw new RuntimeException(e);
        }
    }

    /**
     * @param accession
     * @param value
     */
    private void seriesSupplementaryFileSet(String accession, String value) {
        GeoSeries series = results.getSeriesMap().get(accession);
        supplementaryFileSet(series, value);
    }

    /**
     * @param line
     * @param string
     * @return
     */
    private boolean startsWithIgnoreCase(String string, String pattern) {
        // it will never be the same string.
        return string.regionMatches(true, 0, pattern, 0, pattern.length());
    }

    /**
     * @param accession
     * @param property
     * @param value
     */
    private void subsetAddTo(String accession, String property, Object value) {
        GeoSubset subset = results.getSubsetMap().get(accession);
        if (subset == null)
            throw new IllegalArgumentException("Unknown subset " + accession);
        addTo(subset, property, value);
    }

    /**
     * @param accession
     * @param property
     * @param value
     */
    private void subsetSet(String accession, String property, Object value) {
        GeoSubset subset = results.getSubsetMap().get(accession);
        if (subset == null)
            throw new IllegalArgumentException("Unknown subset " + accession);

        if (property.equals("type")) {
            value = GeoVariable.convertStringToType((String) value);
        }

        try {
            BeanUtils.setProperty(subset, property, value);
        } catch (IllegalAccessException e) {
            log.error(e, e);
            throw new RuntimeException(e);
        } catch (InvocationTargetException e) {
            log.error(e, e);
            throw new RuntimeException(e);
        }
    }

    /**
     * @param series
     * @param value
     */
    private void supplementaryFileSet(Object object, String value) {

        if (object instanceof GeoSeries)
            ((GeoSeries) object).setSupplementaryFile(value);

        else if (object instanceof GeoPlatform)
            ((GeoPlatform) object).setSupplementaryFile(value);

        else if (object instanceof GeoSample)
            ((GeoSample) object).setSupplementaryFile(value);

    }

    private void validate() {
        GeoValues values = results.getSeriesMap().get(currentSeriesAccession).getValues();
        values.validate();
    }

    /**
     * @param columnName
     * @param actualColumnNumber
     * @param qtMapForPlatform The map of
     * @return
     */
    private boolean willClobberOtherQuantitationType(String columnName, int actualColumnNumber,
            Map<String, Integer> qtMapForPlatform) {
        boolean clobbers = false;
        for (String name : currentSample().getColumnNames()) {
            if (name.equals(columnName))
                continue;
            if (!qtMapForPlatform.containsKey(name))
                continue;
            Integer checkColInd = qtMapForPlatform.get(name);
            if (checkColInd == actualColumnNumber) {
                // log.warn( "Current column name " + columnName
                // + " is new for the current platform, would be going in the index previously occupied by "
                // + name );
                clobbers = true;
                break;
            }
        }
        return clobbers;
    }

}