Example usage for org.apache.commons.io FileUtils lineIterator

List of usage examples for org.apache.commons.io FileUtils lineIterator

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Introduction

In this page you can find the example usage for org.apache.commons.io FileUtils lineIterator.

Prototype

public static LineIterator lineIterator(File file) throws IOException

Source Link

Document

Returns an Iterator for the lines in a File using the default encoding for the VM.

Usage

From source file:org.opennms.upgrade.implementations.JmxRrdMigratorOffline.java

/**
 * Fixes a JMX configuration file./*ww w . j a  v  a  2s  .  com*/
 *
 * @param jmxConfigFile the JMX configuration file
 * @throws OnmsUpgradeException the OpenNMS upgrade exception
 */
private void fixJmxConfigurationFile(File jmxConfigFile) throws OnmsUpgradeException {
    try {
        log("Updating JMX metric definitions on %s\n", jmxConfigFile);
        zipFile(jmxConfigFile);
        backupFiles.add(new File(jmxConfigFile.getAbsolutePath() + ZIP_EXT));
        File outputFile = new File(jmxConfigFile.getCanonicalFile() + ".temp");
        FileWriter w = new FileWriter(outputFile);
        Pattern extRegex = Pattern.compile("import-mbeans[>](.+)[<]");
        Pattern aliasRegex = Pattern.compile("alias=\"([^\"]+\\.[^\"]+)\"");
        List<File> externalFiles = new ArrayList<File>();
        LineIterator it = FileUtils.lineIterator(jmxConfigFile);
        while (it.hasNext()) {
            String line = it.next();
            Matcher m = extRegex.matcher(line);
            if (m.find()) {
                externalFiles.add(new File(jmxConfigFile.getParentFile(), m.group(1)));
            }
            m = aliasRegex.matcher(line);
            if (m.find()) {
                String badDs = m.group(1);
                String fixedDs = getFixedDsName(badDs);
                log("  Replacing bad alias %s with %s on %s\n", badDs, fixedDs, line.trim());
                line = line.replaceAll(badDs, fixedDs);
                if (badMetrics.contains(badDs) == false) {
                    badMetrics.add(badDs);
                }
            }
            w.write(line + "\n");
        }
        LineIterator.closeQuietly(it);
        w.close();
        FileUtils.deleteQuietly(jmxConfigFile);
        FileUtils.moveFile(outputFile, jmxConfigFile);
        if (!externalFiles.isEmpty()) {
            for (File configFile : externalFiles) {
                fixJmxConfigurationFile(configFile);
            }
        }
    } catch (Exception e) {
        throw new OnmsUpgradeException("Can't fix " + jmxConfigFile + " because " + e.getMessage(), e);
    }
}

From source file:org.opennms.upgrade.implementations.JmxRrdMigratorOffline.java

/**
 * Fixes a JMX graph template file.//www.ja  va 2 s  .co m
 *
 * @param jmxTemplateFile the JMX template file
 * @throws OnmsUpgradeException the OpenNMS upgrade exception
 */
private void fixJmxGraphTemplateFile(File jmxTemplateFile) throws OnmsUpgradeException {
    try {
        log("Updating JMX graph templates on %s\n", jmxTemplateFile);
        zipFile(jmxTemplateFile);
        backupFiles.add(new File(jmxTemplateFile.getAbsolutePath() + ZIP_EXT));
        File outputFile = new File(jmxTemplateFile.getCanonicalFile() + ".temp");
        FileWriter w = new FileWriter(outputFile);
        Pattern defRegex = Pattern.compile("DEF:.+:(.+\\..+):");
        Pattern colRegex = Pattern.compile("\\.columns=(.+)$");
        Pattern incRegex = Pattern.compile("^include.directory=(.+)$");
        List<File> externalFiles = new ArrayList<File>();
        boolean override = false;
        LineIterator it = FileUtils.lineIterator(jmxTemplateFile);
        while (it.hasNext()) {
            String line = it.next();
            Matcher m = incRegex.matcher(line);
            if (m.find()) {
                File includeDirectory = new File(jmxTemplateFile.getParentFile(), m.group(1));
                if (includeDirectory.isDirectory()) {
                    FilenameFilter propertyFilesFilter = new FilenameFilter() {
                        @Override
                        public boolean accept(File dir, String name) {
                            return (name.endsWith(".properties"));
                        }
                    };
                    for (File file : includeDirectory.listFiles(propertyFilesFilter)) {
                        externalFiles.add(file);
                    }
                }
            }
            m = colRegex.matcher(line);
            if (m.find()) {
                String[] badColumns = m.group(1).split(",(\\s)?");
                for (String badDs : badColumns) {
                    String fixedDs = getFixedDsName(badDs);
                    if (fixedDs.equals(badDs)) {
                        continue;
                    }
                    if (badMetrics.contains(badDs)) {
                        override = true;
                        log("  Replacing bad data source %s with %s on %s\n", badDs, fixedDs, line);
                        line = line.replaceAll(badDs, fixedDs);
                    } else {
                        log("  Warning: a bad data source not related with JMX has been found: %s (this won't be updated)\n",
                                badDs);
                    }
                }
            }
            m = defRegex.matcher(line);
            if (m.find()) {
                String badDs = m.group(1);
                if (badMetrics.contains(badDs)) {
                    override = true;
                    String fixedDs = getFixedDsName(badDs);
                    log("  Replacing bad data source %s with %s on %s\n", badDs, fixedDs, line);
                    line = line.replaceAll(badDs, fixedDs);
                } else {
                    log("  Warning: a bad data source not related with JMX has been found: %s (this won't be updated)\n",
                            badDs);
                }
            }
            w.write(line + "\n");
        }
        LineIterator.closeQuietly(it);
        w.close();
        if (override) {
            FileUtils.deleteQuietly(jmxTemplateFile);
            FileUtils.moveFile(outputFile, jmxTemplateFile);
        } else {
            FileUtils.deleteQuietly(outputFile);
        }
        if (!externalFiles.isEmpty()) {
            for (File configFile : externalFiles) {
                fixJmxGraphTemplateFile(configFile);
            }
        }
    } catch (Exception e) {
        throw new OnmsUpgradeException("Can't fix " + jmxTemplateFile + " because " + e.getMessage(), e);
    }
}

From source file:org.opennms.upgrade.implementations.JmxRrdMigratorOfflineTest.java

/**
 * Executes the JMX Migrator./*from   w  w  w  .ja  v  a2  s . co m*/
 *
 * @return the JMX Migrator object
 * @throws Exception the exception
 */
private JmxRrdMigratorOffline executeMigrator() throws Exception {
    JmxRrdMigratorOffline jmxMigrator = new JmxRrdMigratorOffline();
    jmxMigrator.preExecute();
    jmxMigrator.execute();
    jmxMigrator.postExecute();
    Assert.assertEquals(60, jmxMigrator.badMetrics.size());

    // Verify graph templates
    File templates = new File("target/home/etc/snmp-graph.properties.d/jvm-graph.properties");
    Pattern defRegex = Pattern.compile("DEF:.+:(.+\\..+):");
    Pattern colRegex = Pattern.compile("\\.columns=(.+)$");
    for (LineIterator it = FileUtils.lineIterator(templates); it.hasNext();) {
        String line = it.next();
        Matcher m = defRegex.matcher(line);
        if (m.find()) {
            String ds = m.group(1);
            if (jmxMigrator.badMetrics.contains(ds)) {
                Assert.fail("Bad metric found");
            }
        }
        m = colRegex.matcher(line);
        if (m.find()) {
            String[] badColumns = m.group(1).split(",(\\s)?");
            if (jmxMigrator.badMetrics.containsAll(Arrays.asList(badColumns))) {
                Assert.fail("Bad metric found");
            }
        }
    }

    // Verify metric definitions
    File metrics = new File("target/home/etc/jmx-datacollection-config.xml");
    Pattern aliasRegex = Pattern.compile("alias=\"([^\"]+\\.[^\"]+)\"");
    for (LineIterator it = FileUtils.lineIterator(metrics); it.hasNext();) {
        String line = it.next();
        Matcher m = aliasRegex.matcher(line);
        if (m.find()) {
            String ds = m.group(1);
            if (jmxMigrator.badMetrics.contains(ds)) {
                Assert.fail("Bad metric found");
            }
        }
    }

    return jmxMigrator;
}

From source file:org.opens.referentiel.creator.CodeGeneratorMojo.java

/**
 *
 * @return//w w w  . j  a  v  a  2s.  c om
 */
private Iterable<CSVRecord> getCsv() {
    // we parse the csv file to extract the first line and get the headers 
    LineIterator lineIterator;
    try {
        lineIterator = FileUtils.lineIterator(dataFile);
    } catch (IOException ex) {
        Logger.getLogger(CodeGeneratorMojo.class.getName()).log(Level.SEVERE, null, ex);
        lineIterator = null;
    }
    String[] csvHeaders = lineIterator.next().split(String.valueOf(delimiter));
    isCriterionPresent = extractCriterionFromCsvHeader(csvHeaders);
    try {
        extractAvailableLangsFromCsvHeader(csvHeaders);
    } catch (I18NLanguageNotFoundException ex) {
        Logger.getLogger(CodeGeneratorMojo.class.getName()).log(Level.SEVERE, null, ex);
        return null;
    }

    // from here we just add each line to a build to re-create the csv content
    // without the first line.
    StringBuilder strb = new StringBuilder();
    while (lineIterator.hasNext()) {
        strb.append(lineIterator.next());
        strb.append("\n");
    }
    Reader in;
    try {
        in = new StringReader(strb.toString());
        CSVFormat csvf = CSVFormat.newFormat(delimiter).withHeader(csvHeaders);
        return csvf.parse(in);
    } catch (FileNotFoundException ex) {
        Logger.getLogger(CodeGeneratorMojo.class.getName()).log(Level.SEVERE, null, ex);
        return null;
    } catch (IOException ex) {
        Logger.getLogger(CodeGeneratorMojo.class.getName()).log(Level.SEVERE, null, ex);
        return null;
    }
}

From source file:org.sindice.siren.demo.bnb.BNBDemo.java

public void index() throws IOException {
    final SimpleIndexer indexer = new SimpleIndexer(indexDir);
    try {/*from  w w  w  .  j  a  v a  2 s  .c o m*/
        int counter = 0;
        final LineIterator it = FileUtils.lineIterator(BNB_PATH);
        while (it.hasNext()) {
            final String id = Integer.toString(counter++);
            final String content = (String) it.next();
            logger.info("Indexing document {}", id);
            indexer.addDocument(id, content);
        }
        LineIterator.closeQuietly(it);
        logger.info("Commiting all pending documents");
        indexer.commit();
    } finally {
        logger.info("Closing index");
        indexer.close();
    }
}

From source file:org.sipfoundry.sipxconfig.admin.X509CertificateUtils.java

/**
 * Creates a X509 certificate based on the provided file path. Strips any preamble information
 * from the original certificate (if any)
 *
 * @param path/*from  ww  w  .j ava 2s  .c  om*/
 * @return X509 Certificate or null if cannot create
 */
public static X509Certificate getX509Certificate(String path) {
    X509Certificate cert = null;
    LineIterator it = null;
    InputStream is = null;
    try {
        File sslCertFile = new File(path);
        it = FileUtils.lineIterator(sslCertFile);

        StringBuffer rep = new StringBuffer();
        boolean shouldWrite = false;
        while (it.hasNext()) {
            String line = it.nextLine();
            if (line.equals(BEGIN_LINE)) {
                shouldWrite = true;
            }
            if (shouldWrite) {
                rep.append(line);
                rep.append(NEW_LINE);
            }
        }

        is = new ByteArrayInputStream(rep.toString().getBytes());
        CertificateFactory cf = CertificateFactory.getInstance(X509_TYPE);
        cert = (X509Certificate) cf.generateCertificate(is);
    } catch (Exception ex) {
        cert = null;
    } finally {
        LineIterator.closeQuietly(it);
        IOUtils.closeQuietly(is);
    }
    return cert;
}

From source file:org.soaplab.clients.InputUtils.java

static byte[][] list2Files(String value) throws IOException {

    ArrayList<byte[]> result = new ArrayList<byte[]>();
    File listFile = new File(value);
    String fullPath = FilenameUtils.getFullPath(listFile.getAbsolutePath());
    LineIterator it = FileUtils.lineIterator(listFile);
    try {/*from w ww .j  a  v a  2  s.com*/
        while (it.hasNext()) {
            String line = it.nextLine().trim();
            if (StringUtils.isEmpty(line))
                continue; // ignore blank lines
            if (line.startsWith("#"))
                continue; // ignore comments
            File aFile = new File(line);
            try {
                result.add(FileUtils.readFileToByteArray(aFile));
            } catch (IOException e) {
                // try to add path of the list file
                if (aFile.isAbsolute()) {
                    throw new IOException("Error when reading [" + line + "]: " + e.getMessage());
                } else {
                    File bFile = new File(fullPath, line);
                    result.add(FileUtils.readFileToByteArray(bFile));
                }
            }
        }
    } finally {
        LineIterator.closeQuietly(it);
    }
    return result.toArray(new byte[][] {});
}

From source file:org.sonar.plugins.xaml.XamlLineCouterSensor.java

private void addMeasures(SensorContext sensorContext, File file, org.sonar.api.resources.File xmlFile) {

    LineIterator iterator = null;/*from  w  w  w  .  jav  a  2s  .c om*/
    int numLines = 0;
    int numEmptyLines = 0;

    try {
        iterator = FileUtils.lineIterator(file);

        while (iterator.hasNext()) {
            String line = iterator.nextLine();
            numLines++;
            if (StringUtils.isEmpty(line)) {
                numEmptyLines++;
            }
        }
    } catch (IOException e) {
        LOG.warn(e.getMessage());
    } finally {
        LineIterator.closeQuietly(iterator);
    }

    try {

        Log.debug("Count comment in " + file.getPath());

        int numCommentLines = new XamlLineCountParser().countLinesOfComment(FileUtils.openInputStream(file));
        sensorContext.saveMeasure(xmlFile, CoreMetrics.LINES, (double) numLines);
        sensorContext.saveMeasure(xmlFile, CoreMetrics.COMMENT_LINES, (double) numCommentLines);
        sensorContext.saveMeasure(xmlFile, CoreMetrics.NCLOC,
                (double) numLines - numEmptyLines - numCommentLines);
    } catch (Exception e) {
        LOG.debug("Fail to count lines in " + file.getPath(), e);
    }

    LOG.debug("LineCountSensor: " + xmlFile.getKey() + ":" + numLines + "," + numEmptyLines + "," + 0);
}

From source file:org.sonar.plugins.xml.LineCountSensor.java

private void addMeasures(SensorContext sensorContext, File file, org.sonar.api.resources.File xmlFile) {

    LineIterator iterator = null;//from   w  ww  . ja  v  a  2 s  .c o m
    int numLines = 0;
    int numEmptyLines = 0;

    try {
        iterator = FileUtils.lineIterator(file);

        while (iterator.hasNext()) {
            String line = iterator.nextLine();
            numLines++;
            if (StringUtils.isEmpty(line)) {
                numEmptyLines++;
            }
        }
    } catch (IOException e) {
        LOG.warn(e.getMessage());
    } finally {
        LineIterator.closeQuietly(iterator);
    }

    try {

        Log.debug("Count comment in " + file.getPath());

        int numCommentLines = new LineCountParser().countLinesOfComment(FileUtils.openInputStream(file));
        sensorContext.saveMeasure(xmlFile, CoreMetrics.LINES, (double) numLines);
        sensorContext.saveMeasure(xmlFile, CoreMetrics.COMMENT_LINES, (double) numCommentLines);
        sensorContext.saveMeasure(xmlFile, CoreMetrics.NCLOC,
                (double) numLines - numEmptyLines - numCommentLines);
    } catch (Exception e) {
        LOG.debug("Fail to count lines in " + file.getPath(), e);
    }

    LOG.debug("LineCountSensor: " + xmlFile.getKey() + ":" + numLines + "," + numEmptyLines + "," + 0);
}

From source file:org.tanaguru.rules.doc.utils.updateAw22toRgaa30.CopyFiles.java

private Iterable<CSVRecord> getCsv(ResourceBundle resourceBundle) {
    // we parse the csv file to extract the first line and get the headers 
    LineIterator lineIterator;//  w w w  .  j  av a  2 s . com
    try {
        lineIterator = FileUtils.lineIterator(FileUtils.getFile(resourceBundle.getString("export.csvPath")));
    } catch (IOException ex) {
        Logger.getLogger(CopyFiles.class.getName()).log(Level.SEVERE, null, ex);
        lineIterator = null;
    }
    String[] csvHeaders = lineIterator.next().split(String.valueOf(delimiter));

    // from here we just add each line to a build to re-create the csv content
    // without the first line.
    StringBuilder strb = new StringBuilder();
    while (lineIterator.hasNext()) {
        strb.append(lineIterator.next());
        strb.append("\n");
    }
    Reader in;
    try {
        in = new StringReader(strb.toString());
        CSVFormat csvf = CSVFormat.newFormat(delimiter).withHeader(csvHeaders);
        return csvf.parse(in);
    } catch (FileNotFoundException ex) {
        Logger.getLogger(CopyFiles.class.getName()).log(Level.SEVERE, null, ex);
        return null;
    } catch (IOException ex) {
        Logger.getLogger(CopyFiles.class.getName()).log(Level.SEVERE, null, ex);
        return null;
    }
}