Example usage for java.util Scanner useDelimiter

Introduction

In this page you can find the example usage for java.util Scanner useDelimiter.

Prototype

public Scanner useDelimiter(String pattern) 

Source Link

Document

Sets this scanner's delimiting pattern to a pattern constructed from the specified String .

Usage

From source file:edu.harvard.iq.dataverse.dataaccess.TabularSubsetGenerator.java

public static Float[] subsetFloatVector(InputStream in, int column, int numCases) {
    Float[] retVector = new Float[numCases];
    Scanner scanner = new Scanner(in);
    scanner.useDelimiter("\\n");

    for (int caseIndex = 0; caseIndex < numCases; caseIndex++) {
        if (scanner.hasNext()) {
            String[] line = (scanner.next()).split("\t", -1);
            // Verified: new Float("nan") works correctly, 
            // resulting in Float.NaN;
            // Float("[+-]Inf") doesn't work however; 
            // (the constructor appears to be expecting it
            // to be spelled as "Infinity", "-Infinity", etc. 
            if ("inf".equalsIgnoreCase(line[column]) || "+inf".equalsIgnoreCase(line[column])) {
                retVector[caseIndex] = java.lang.Float.POSITIVE_INFINITY;
            } else if ("-inf".equalsIgnoreCase(line[column])) {
                retVector[caseIndex] = java.lang.Float.NEGATIVE_INFINITY;
            } else if (line[column] == null || line[column].equals("")) {
                // missing value:
                retVector[caseIndex] = null;
            } else {
                try {
                    retVector[caseIndex] = new Float(line[column]);
                } catch (NumberFormatException ex) {
                    retVector[caseIndex] = null; // missing value
                }//www .  j  ava  2 s .  com
            }
        } else {
            scanner.close();
            throw new RuntimeException("Tab file has fewer rows than the stored number of cases!");
        }
    }

    int tailIndex = numCases;
    while (scanner.hasNext()) {
        String nextLine = scanner.next();
        if (!"".equals(nextLine)) {
            scanner.close();
            throw new RuntimeException(
                    "Column " + column + ": tab file has more nonempty rows than the stored number of cases ("
                            + numCases + ")! current index: " + tailIndex + ", line: " + nextLine);
        }
        tailIndex++;
    }

    scanner.close();
    return retVector;

}

---

From source file:edu.harvard.iq.dataverse.dataaccess.TabularSubsetGenerator.java

public static Double[] subsetDoubleVector(InputStream in, int column, int numCases) {
    Double[] retVector = new Double[numCases];
    Scanner scanner = new Scanner(in);
    scanner.useDelimiter("\\n");

    for (int caseIndex = 0; caseIndex < numCases; caseIndex++) {
        if (scanner.hasNext()) {
            String[] line = (scanner.next()).split("\t", -1);

            // Verified: new Double("nan") works correctly, 
            // resulting in Double.NaN;
            // Double("[+-]Inf") doesn't work however; 
            // (the constructor appears to be expecting it
            // to be spelled as "Infinity", "-Infinity", etc. 
            if ("inf".equalsIgnoreCase(line[column]) || "+inf".equalsIgnoreCase(line[column])) {
                retVector[caseIndex] = java.lang.Double.POSITIVE_INFINITY;
            } else if ("-inf".equalsIgnoreCase(line[column])) {
                retVector[caseIndex] = java.lang.Double.NEGATIVE_INFINITY;
            } else if (line[column] == null || line[column].equals("")) {
                // missing value:
                retVector[caseIndex] = null;
            } else {
                try {
                    retVector[caseIndex] = new Double(line[column]);
                } catch (NumberFormatException ex) {
                    retVector[caseIndex] = null; // missing value
                }/*w w w  . j a v  a2s.co m*/
            }

        } else {
            scanner.close();
            throw new RuntimeException("Tab file has fewer rows than the stored number of cases!");
        }
    }

    int tailIndex = numCases;
    while (scanner.hasNext()) {
        String nextLine = scanner.next();
        if (!"".equals(nextLine)) {
            scanner.close();
            throw new RuntimeException(
                    "Column " + column + ": tab file has more nonempty rows than the stored number of cases ("
                            + numCases + ")! current index: " + tailIndex + ", line: " + nextLine);
        }
        tailIndex++;
    }

    scanner.close();
    return retVector;

}

---

From source file:com.surevine.alfresco.esl.impl.GroupDetails.java

/**
 * Constructor. Create a GroupDetails within the given constraint according to the given specification
 * /*from  w ww.ja  v  a2s . c  o  m*/
 * @param specification
 *            See the comments at the top of this class, and the unit tests, for more details
 * @param parentConstraint
 */
public GroupDetails(String specification, EnhancedSecurityConstraint parentConstraint) {
    // Check params look OK
    if (specification == null || parentConstraint == null) {
        throw new EnhancedSecurityException(
                "Both the specification and the parent constraint must be non-null to create a GroupDetails");
    }

    // Parse out key=value,key=value pairs and use setKVPair to set relevant properties
    try {
        _constraint = parentConstraint;
        Scanner keyValuePair = new Scanner(specification.trim());
        keyValuePair.useDelimiter("\n+");
        while (keyValuePair.hasNext()) {
            String keyOrValueStr = keyValuePair.next().trim();
            if (keyOrValueStr.equals("")) {
                continue;
            }
            if (LOG.isDebugEnabled()) {
                LOG.debug("Found Key/Value Pair: " + keyOrValueStr);
            }
            Scanner keyOrValue = new Scanner(keyOrValueStr);
            keyOrValue.useDelimiter("=");
            String key = keyOrValue.next();
            LOG.debug("  Found Key: " + key);
            String value = keyOrValue.next();
            LOG.debug("  Found Value: " + value);
            if (keyOrValue.hasNext()) {
                throw new EnhancedSecurityException("Was expecting a single '=' in [" + keyValuePair + "]");
            }
            setKVPair(key, value);
        }
    } catch (NoSuchElementException e) {
        throw new EnhancedSecurityException(
                "The group details specification was incorrectly formatted.  It should be key=value [lineBreak] key=value with no '=' charecters in the keys or values",
                e);
    }

}

---

From source file:ch.kostceco.tools.siardexcerpt.excerption.moduleexcerpt.impl.ExcerptBSearchModuleImpl.java

@Override
public boolean validate(File siardDatei, File outFileSearch, String searchString)
        throws ExcerptBSearchException {
    boolean isValid = true;

    File fGrepExe = new File("resources" + File.separator + "grep" + File.separator + "grep.exe");
    String pathToGrepExe = fGrepExe.getAbsolutePath();
    if (!fGrepExe.exists()) {
        // grep.exe existiert nicht --> Abbruch
        getMessageService().logError(getTextResourceService().getText(MESSAGE_XML_MODUL_B)
                + getTextResourceService().getText(ERROR_XML_C_MISSINGFILE, fGrepExe.getAbsolutePath()));
        return false;
    } else {//from  w w  w .  j a  va 2s  . c om
        File fMsys10dll = new File("resources" + File.separator + "grep" + File.separator + "msys-1.0.dll");
        if (!fMsys10dll.exists()) {
            // msys-1.0.dll existiert nicht --> Abbruch
            getMessageService().logError(getTextResourceService().getText(MESSAGE_XML_MODUL_B)
                    + getTextResourceService().getText(ERROR_XML_C_MISSINGFILE, fMsys10dll.getAbsolutePath()));
            return false;
        }
    }

    File tempOutFile = new File(outFileSearch.getAbsolutePath() + ".tmp");
    String content = "";
    String contentAll = "";

    // Records aus table herausholen
    try {
        if (tempOutFile.exists()) {
            Util.deleteDir(tempOutFile);
        }

        /* Nicht vergessen in "src/main/resources/config/applicationContext-services.xml" beim
         * entsprechenden Modul die property anzugeben: <property name="configurationService"
         * ref="configurationService" /> */

        String name = getConfigurationService().getSearchtableName();
        String folder = getConfigurationService().getSearchtableFolder();

        File fSearchtable = new File(siardDatei.getAbsolutePath() + File.separator + "content" + File.separator
                + "schema0" + File.separator + folder + File.separator + folder + ".xml");

        searchString = searchString.replaceAll("\\.", "\\.*");

        try {
            // grep -E "REGEX-Suchbegriff" table13.xml >> output.txt
            String command = "cmd /c \"" + pathToGrepExe + " -E \"" + searchString + "\" "
                    + fSearchtable.getAbsolutePath() + " >> " + tempOutFile.getAbsolutePath() + "\"";
            /* Das redirect Zeichen verunmglicht eine direkte eingabe. mit dem geschachtellten Befehl
             * gehts: cmd /c\"urspruenlicher Befehl\" */

            // System.out.println( command );

            Process proc = null;
            Runtime rt = null;

            getMessageService().logError(getTextResourceService().getText(MESSAGE_XML_ELEMENT_OPEN, name));

            try {
                Util.switchOffConsole();
                rt = Runtime.getRuntime();
                proc = rt.exec(command.toString().split(" "));
                // .split(" ") ist notwendig wenn in einem Pfad ein Doppelleerschlag vorhanden ist!

                // Fehleroutput holen
                StreamGobbler errorGobbler = new StreamGobbler(proc.getErrorStream(), "ERROR");

                // Output holen
                StreamGobbler outputGobbler = new StreamGobbler(proc.getInputStream(), "OUTPUT");

                // Threads starten
                errorGobbler.start();
                outputGobbler.start();

                // Warte, bis wget fertig ist
                proc.waitFor();

                Util.switchOnConsole();

            } catch (Exception e) {
                getMessageService().logError(getTextResourceService().getText(MESSAGE_XML_MODUL_B)
                        + getTextResourceService().getText(ERROR_XML_UNKNOWN, e.getMessage()));
                return false;
            } finally {
                if (proc != null) {
                    closeQuietly(proc.getOutputStream());
                    closeQuietly(proc.getInputStream());
                    closeQuietly(proc.getErrorStream());
                }
            }

            Scanner scanner = new Scanner(tempOutFile);
            contentAll = "";
            content = "";
            contentAll = scanner.useDelimiter("\\Z").next();
            scanner.close();
            content = contentAll;
            /* im contentAll ist jetzt der Gesamtstring, dieser soll anschliessend nur noch aus den 4
             * Such-Zellen und den weiteren 4 ResultateZellen bestehen -> content */
            String nr1 = getConfigurationService().getcellNumber1();
            String nr2 = getConfigurationService().getcellNumber2();
            String nr3 = getConfigurationService().getcellNumber3();
            String nr4 = getConfigurationService().getcellNumber4();
            String nr5 = getConfigurationService().getcellNumberResult1();
            String nr6 = getConfigurationService().getcellNumberResult2();
            String nr7 = getConfigurationService().getcellNumberResult3();
            String nr8 = getConfigurationService().getcellNumberResult4();

            String cellLoop = "";
            // Loop von 1, 2, 3 ... bis 499999.
            for (int i = 1; i < 500000; i++) {
                cellLoop = "";
                cellLoop = "c" + i;
                if (cellLoop.equals(nr1) || cellLoop.equals(nr2) || cellLoop.equals(nr3) || cellLoop.equals(nr4)
                        || cellLoop.equals(nr5) || cellLoop.equals(nr6) || cellLoop.equals(nr7)
                        || cellLoop.equals(nr8)) {
                    // wird behalten
                } else {
                    String deletString = "<c" + i + ">" + ".*" + "</c" + i + ">";
                    content = content.replaceAll(deletString, "");
                }
            }

            getMessageService()
                    .logError(getTextResourceService().getText(MESSAGE_XML_ELEMENT_CONTENT, content));
            getMessageService().logError(getTextResourceService().getText(MESSAGE_XML_ELEMENT_CLOSE, name));

            if (tempOutFile.exists()) {
                Util.deleteDir(tempOutFile);
            }
            contentAll = "";
            content = "";

            // Ende Grep

        } catch (Exception e) {
            getMessageService().logError(getTextResourceService().getText(MESSAGE_XML_MODUL_B)
                    + getTextResourceService().getText(ERROR_XML_UNKNOWN, e.getMessage()));
            return false;
        }

    } catch (Exception e) {
        getMessageService().logError(getTextResourceService().getText(MESSAGE_XML_MODUL_B)
                + getTextResourceService().getText(ERROR_XML_UNKNOWN, e.getMessage()));
        return false;
    }

    return isValid;
}

---

From source file:org.callimachusproject.test.TemporaryServerFactory.java

private String readRepositoryConfigFile() throws FileNotFoundException {
    Scanner scanner = new Scanner(new File("etc", "callimachus-repository.ttl"));
    try {//ww w . ja v a  2 s .c  o  m
        return scanner.useDelimiter("\\A").next();
    } finally {
        scanner.close();
    }
}

---

From source file:eremeykin.pete.plotter.PolarPlotterTopComponent.java

@Override
public void update() {
    // for first rpt file
    if (model == null) {
        clear();//from  w  w  w.j  a  va2  s. c  om
        return;
    }
    File[] rptFiles = home.listFiles(filter());
    // catch if there is no such file
    if (rptFiles.length == 0) {
        clear();
        return;
    }
    File firstRPT = rptFiles[0];

    Scanner scanner;
    try {
        scanner = new Scanner(firstRPT);
        scanner.useDelimiter("\\s+|\n");
    } catch (FileNotFoundException ex) {
        clear();
        return;
    }
    List<Map.Entry<Double, Double>> tmpList = new ArrayList<>();
    for (int i = 0; scanner.hasNext(); i++) {
        String line = scanner.next();
        try {
            double x1 = Double.valueOf(line);
            line = scanner.next();
            double x2 = Double.valueOf(line);
            //                System.out.println("x1=" + x1 + "\nx2=" + x2);
            tmpList.add(new AbstractMap.SimpleEntry<>(x1, x2));
        } catch (NumberFormatException ex) {
            // only if it is the third or following line
            if (i > 1) {
                LOGGER.error("Error while parsing double from file: " + firstRPT.getAbsolutePath());
                JOptionPane.showMessageDialog(this, "Error while parsing result file.", "Parsing error",
                        JOptionPane.ERROR_MESSAGE);
            }
        }

    }
    if (tmpList.isEmpty()) {
        clear();
        return;
    }
    fillData(tmpList);

    //        fillData(tmpList, dataSeries, toleranceSeries);        
}

---

From source file:org.motechproject.mobile.imp.serivce.oxd.FormDefinitionServiceImpl.java

private String getFileContent(String fileName) {
    StringBuilder builder = new StringBuilder();
    Scanner scanner;
    try {//from   w  w  w. jav  a2s.  c o m
        scanner = new Scanner(new File(fileName));
        scanner.useDelimiter("\n");
        while (scanner.hasNextLine()) {
            builder.append(scanner.nextLine() + "\n");
        }
    } catch (FileNotFoundException e) {
        e.printStackTrace();
    }
    return builder.toString();
}

---

From source file:org.talend.dataprep.schema.csv.CSVFastHeaderAndTypeAnalyzer.java

/**
 * Performs type analysis for fields of the record at the specified index.
 * //from   w  ww .  java 2s  .c o  m
 * @param i the index of the record to be analyzed.
 * @return the list of types of the record
 */
private List<Integer> setFieldType(int i) {
    List<Integer> result = new ArrayList<>();
    String line = i < sampleLines.size() ? sampleLines.get(i) : null;
    if (StringUtils.isEmpty(line)) {
        return result;
    }
    List<String> fields = readLine(line);
    for (String field : fields) {
        Scanner scanner = new Scanner(field);
        scanner.useDelimiter(Character.toString(separator.getSeparator()));
        // called integer but we are looking for long in Java parlance
        if (scanner.hasNextLong()) {
            result.add(INTEGER);
            scanner.next();
        } else if (scanner.hasNextDouble()) {
            result.add(DECIMAL);
            scanner.next();
        } else if (scanner.hasNextBoolean()) {
            result.add(BOOLEAN);
            scanner.next();
        } else {
            String text = scanner.hasNext() ? scanner.next() : StringUtils.EMPTY;
            switch (text) {
            case "":
                result.add(EMPTY);
                break;
            default: // used to detect a stable length of a field (may be it is a date or a pattern)
                result.add(text.length());
            }
        }
        scanner.close();
    }
    return result;
}

---

From source file:edu.harvard.iq.dataverse.dataaccess.TabularSubsetGenerator.java

public static String[] subsetStringVector(InputStream in, int column, int numCases) {
    String[] retVector = new String[numCases];
    Scanner scanner = new Scanner(in);
    scanner.useDelimiter("\\n");

    for (int caseIndex = 0; caseIndex < numCases; caseIndex++) {
        if (scanner.hasNext()) {
            String[] line = (scanner.next()).split("\t", -1);
            retVector[caseIndex] = line[column];

            if ("".equals(line[column])) {
                // An empty string is a string missing value!
                // An empty string in quotes is an empty string!
                retVector[caseIndex] = null;
            } else {
                // Strip the outer quotes:
                line[column] = line[column].replaceFirst("^\\\"", "");
                line[column] = line[column].replaceFirst("\\\"$", "");

                // We need to restore the special characters that 
                // are stored in tab files escaped - quotes, new lines 
                // and tabs. Before we do that however, we need to 
                // take care of any escaped backslashes stored in 
                // the tab file. I.e., "foo\t" should be transformed 
                // to "foo<TAB>"; but "foo\\t" should be transformed 
                // to "foo\t". This way new lines and tabs that were
                // already escaped in the original data are not 
                // going to be transformed to unescaped tab and 
                // new line characters!
                String[] splitTokens = line[column].split(Matcher.quoteReplacement("\\\\"), -2);

                // (note that it's important to use the 2-argument version 
                // of String.split(), and set the limit argument to a
                // negative value; otherwise any trailing backslashes 
                // are lost.)
                for (int i = 0; i < splitTokens.length; i++) {
                    splitTokens[i] = splitTokens[i].replaceAll(Matcher.quoteReplacement("\\\""), "\"");
                    splitTokens[i] = splitTokens[i].replaceAll(Matcher.quoteReplacement("\\t"), "\t");
                    splitTokens[i] = splitTokens[i].replaceAll(Matcher.quoteReplacement("\\n"), "\n");
                    splitTokens[i] = splitTokens[i].replaceAll(Matcher.quoteReplacement("\\r"), "\r");
                }/*from  w  w w.j  a va2 s .  c o  m*/
                // TODO: 
                // Make (some of?) the above optional; for ex., we 
                // do need to restore the newlines when calculating UNFs;
                // But if we are subsetting these vectors in order to 
                // create a new tab-delimited file, they will 
                // actually break things! -- L.A. Jul. 28 2014

                line[column] = StringUtils.join(splitTokens, '\\');

                retVector[caseIndex] = line[column];
            }

        } else {
            scanner.close();
            throw new RuntimeException("Tab file has fewer rows than the stored number of cases!");
        }
    }

    int tailIndex = numCases;
    while (scanner.hasNext()) {
        String nextLine = scanner.next();
        if (!"".equals(nextLine)) {
            scanner.close();
            throw new RuntimeException(
                    "Column " + column + ": tab file has more nonempty rows than the stored number of cases ("
                            + numCases + ")! current index: " + tailIndex + ", line: " + nextLine);
        }
        tailIndex++;
    }

    scanner.close();
    return retVector;

}

---

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