Example usage for java.io LineNumberReader readLine

List of usage examples for java.io LineNumberReader readLine

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Introduction

In this page you can find the example usage for java.io LineNumberReader readLine.

Prototype

public String readLine() throws IOException

Source Link

Document

Read a line of text.

Usage

From source file:pl.nask.hsn2.service.FileFeederTask.java

private void processWithUri() throws ResourceException, StorageException {
    LineNumberReader reader = openReader();

    try {/*from w ww  . j  a  v  a2  s .com*/
        String line;
        while ((line = reader.readLine()) != null) {
            String lineTrimmed = line.trim();
            if (lineTrimmed.length() != 0) {
                processStringUrl(lineTrimmed);
            }
        }
    } catch (IOException e) {
        throw new ResourceException("Error reading from file: " + uri, e);
    } finally {
        closeReader(reader);
    }
}

From source file:codingchallenge.SortableChallenge.java

private void initProductsMatcher() throws IOException, JSONException {
    List<Product> products = new ArrayList<Product>();
    LineNumberReader lproductsReader = new LineNumberReader(productsReader);
    try {//from  w  w  w  . j  a  v  a  2 s .c o m
        for (String line = lproductsReader.readLine(); line != null; line = lproductsReader.readLine()) {
            line = line.trim();
            if (line.length() == 0) {
                continue;
            }
            JSONTokener tokener = new JSONTokener(line);
            Object token = tokener.nextValue();
            if (!(token instanceof JSONObject)) {
                throw new BadInputException("Bad product data: " + token);
            }
            JSONObject productJSON = (JSONObject) token;
            String name = getStringProp("product_name", productJSON);
            String manufacturer = getStringProp("manufacturer", productJSON);
            String family = getStringProp("family", productJSON);
            String model = getStringProp("model", productJSON);
            String announcedDate = getStringProp("announced-date", productJSON);
            products.add(new Product(name, manufacturer, family, model, announcedDate));
        }
    } finally {
        lproductsReader.close();
    }
    matcher.initProducts(products);

}

From source file:com.googlecode.jweb1t.JWeb1TSearcherInMemory.java

private void fillMap(final File aFile, final int aLevel) throws IOException {
    final LineNumberReader reader = new LineNumberReader(new FileReader(aFile));
    String line;//from  w ww . java2s  .c  o m
    while ((line = reader.readLine()) != null) {
        final String[] parts = line.split("\t");

        if (parts.length != 2) {
            continue;
        }

        ngramLevelMap.get(aLevel).addSample(parts[0], Long.parseLong(parts[1]));
    }
    reader.close();
}

From source file:de.griffel.confluence.plugins.plantuml.type.UmlSourceBuilder.java

public UmlSourceBuilder append(StringReader stringReader) throws IOException {
    final LineNumberReader reader = new LineNumberReader(stringReader);
    String line = reader.readLine();
    if ("ditaa".equals(line) && DiagramType.UML == diagramType) {
        isDitaa = true;/*from   ww  w  .  jav a  2s .com*/
    }
    while (line != null) {
        appendLine(line);
        line = reader.readLine();
    }
    return this;
}

From source file:pl.nask.hsn2.service.scdbg.ScdbgTool.java

private void processInput(ScdbgResultBuilder builder, InputStream input) throws ResourceException {
    LineNumberReader reader = null;
    try {/*from  w w w.  j  av a2s .c om*/
        reader = new LineNumberReader(new InputStreamReader(input));
        String line = null;
        while ((line = reader.readLine()) != null) {
            LOGGER.debug("Got line: {}", line);
            builder.scanOutputLine(line);
        }
    } catch (IOException e) {
        throw new ResourceException("Error reading output from scdbg", e);
    } finally {
        IOUtils.closeQuietly(reader);
    }
}

From source file:org.kalypso.model.wspm.ewawi.data.reader.AbstractEwawiReader.java

private void read(final LineNumberReader reader) throws IOException, ParseException {
    while (reader.ready()) {
        final String line = reader.readLine();
        readLine(line);//from  w  w w.j ava 2  s  .co  m
    }
}

From source file:com.autentia.tnt.bill.migration.BillToBillPaymentMigration.java

/**
 * executes an script received by parameter
 * @param script the script to be launched
 *//*from   www .  j ava 2 s  .co m*/
private static void executeScript(String script) throws Exception {
    Connection con = null;
    Statement stmt = null;
    LineNumberReader file = null;
    String delimiter = ";";

    try {
        log.debug("LOADING DATABASE SCRIPT" + script);

        // connect to database
        Class.forName(DATABASE_DRIVER);
        con = DriverManager.getConnection(DATABASE_CONNECTION, DATABASE_USER, DATABASE_PASS); //NOSONAR
        con.setAutoCommit(false); // DATABASE_PASS es nula
        stmt = con.createStatement();

        // load file
        InputStream sqlScript = Thread.currentThread().getContextClassLoader().getResourceAsStream(script);
        if (sqlScript == null) {
            throw new FileNotFoundException(script);
        }
        file = new LineNumberReader(new InputStreamReader(new BufferedInputStream(sqlScript), "UTF-8"));

        // Add batched SQL sentences to statement
        StringBuilder sentence = new StringBuilder();
        String line;
        while ((line = file.readLine()) != null) {
            line = line.trim();
            if (!line.startsWith("--")) {
                // Interpret "DELIMITER" sentences
                if (line.trim().toUpperCase(Locale.ENGLISH).startsWith("DELIMITER")) {
                    delimiter = line.trim().substring("DELIMITER".length()).trim();
                } else {
                    // Add line to sentence
                    if (line.endsWith(delimiter)) {
                        // Remove delimiter
                        String lastLine = line.substring(0, line.length() - delimiter.length());

                        // Append line to sentence
                        sentence.append(lastLine);

                        // Execute sentence
                        log.debug(" " + sentence.toString());
                        stmt.addBatch(sentence.toString());

                        // Prepare new sentence
                        sentence = new StringBuilder();
                    } else {
                        // Append line to sentence
                        sentence.append(line);

                        // Append separator for next line
                        sentence.append(" ");
                    }
                }
            }
        }

        // Execute batch
        log.debug("upgradeDatabase - executing batch of commands");
        stmt.executeBatch();

        // Commit transaction
        log.debug("upgradeDatabase - commiting changes to database");
        con.commit();

        // Report end of migration
        log.debug("END LOADING DATABASE SCRIPT");

    } catch (Exception e) {
        log.error("FAILED: WILL BE ROLLED BACK: ", e);
        if (con != null) {
            con.rollback();
        }

    } finally {
        cierraFichero(file);
        liberaConexion(con, stmt, null);
    }
}

From source file:de.langmi.spring.batch.examples.complex.file.split.GetLineCountTasklet.java

/**
 * Short variant to get the line count of the file, there can be problems with files where
 * the last line has no content.// w ww .j  a  va 2s  . c  o m
 *
 * @param file
 * @param chunkContext
 * @return the line count
 * @throws IOException
 * @throws FileNotFoundException
 */
private int getLineCount(File file) throws IOException, FileNotFoundException {
    LineNumberReader lnr = null;
    try {
        lnr = new LineNumberReader(new FileReader(file));
        String line = null;
        int count = 0;
        while ((line = lnr.readLine()) != null) {
            count = lnr.getLineNumber();
        }
        return count;
    } finally {
        if (lnr != null) {
            lnr.close();
        }
    }
}

From source file:org.kawanfw.sql.jdbc.util.ColPositionBuilder.java

/**
 * /*from   w w  w. ja  va2  s.  com*/
 * Constructor
 * 
 * @param file
 *            the file that contains the positions of the columns
 * @param connectionHttp
 *            TODO
 */
public ColPositionBuilder(File file, ConnectionHttp connectionHttp) throws SQLException {
    if (!file.exists()) {
        String message = Tag.PRODUCT_PRODUCT_FAIL + "Internal File does not exists: " + file;
        throw new SQLException(message, new IOException(message));
    }

    String line = null;
    LineNumberReader lineNumberReader = null;

    try {
        lineNumberReader = new LineNumberReader(new FileReader(file));
        line = lineNumberReader.readLine();
    } catch (FileNotFoundException e) {
        String message = Tag.PRODUCT_PRODUCT_FAIL + "Internal File does not exists: " + file;
        throw new SQLException(message, new IOException(message));
    } catch (IOException e) {
        String message = Tag.PRODUCT_PRODUCT_FAIL + "I/O Error when reading file: " + file;
        throw new SQLException(message, new IOException(message));
    } finally {
        IOUtils.closeQuietly(lineNumberReader);
    }

    if (line == null) {
        String message = Tag.PRODUCT_PRODUCT_FAIL + "Internal File is empty: " + file;
        throw new SQLException(message, new IOException(message));
    }

    line = JsonLineDecryptor.decrypt(line, connectionHttp);

    if (DEBUG) {
        try {
            String fileContent = FileUtils.readFileToString(file);
            debug("fileContent: " + fileContent);
        } catch (IOException e) {
            throw new SQLException(e);
        }
    }

    columnsPosition = JsonColPosition.fromJson(line);
}

From source file:com.googlecode.jweb1t.JWeb1TSearcherInMemory.java

private void initialize(final File baseDir) throws NumberFormatException, IOException {
    ngramCountMap = new HashMap<Integer, Long>();
    ngramDistinctCountMap = new HashMap<Integer, Long>();

    final File countFile = new File(baseDir, JWeb1TAggregator.AGGREGATED_COUNTS_FILE);
    if (countFile.exists()) {
        final LineNumberReader lineReader = new LineNumberReader(new FileReader(countFile));
        String line;/* w  w  w .j  a v a2 s .  com*/
        while ((line = lineReader.readLine()) != null) {
            final String[] parts = line.split("\t");

            if (parts.length != 3) {
                continue;
            }

            final int ngramSize = Integer.valueOf(parts[0]);
            final long ngramDistinctCount = Long.valueOf(parts[1]);
            final long ngramCount = Long.valueOf(parts[2]);

            ngramCountMap.put(ngramSize, ngramCount);
            ngramDistinctCountMap.put(ngramSize, ngramDistinctCount);
        }
        lineReader.close();
    }

}