Example usage for java.io FileReader close

Introduction

In this page you can find the example usage for java.io FileReader close.

Prototype

public void close() throws IOException 

Source Link

Usage

From source file:org.apache.hadoop.mapred.LinuxUtilizationGauger.java

/**
 * Read a file line by line/*from   ww w . j av  a  2  s. c o m*/
 * @param fileName
 * @return String[] contains lines
 * @throws IOException
 */
private String[] readFile(String fileName) throws IOException {
    ArrayList<String> result = new ArrayList<String>();
    FileReader fReader = new FileReader(fileName);
    BufferedReader bReader = new BufferedReader(fReader);
    while (true) {
        String line = bReader.readLine();
        if (line == null) {
            break;
        }
        result.add(line);
    }
    bReader.close();
    fReader.close();
    return (String[]) result.toArray(new String[result.size()]);
}

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From source file:it.crs4.seal.read_sort.MergeAlignments.java

private void calculateChecksums() throws IOException {
    if (generatedMd5) {
        log.info("Calculating reference checksum...");
        log.info("Reference fasta path: " + referenceRootPath.toString());

        checksums = new FastaChecksummer();
        FileReader reader = new FileReader(new File(referenceRootPath.toUri()));
        try {//w ww .  j  a  v  a  2s  . c o m
            checksums.setInput(reader);
            checksums.calculate();
        } finally {
            reader.close();
        }

        log.info("checksum complete");
    }
}

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From source file:org.hyperic.hq.autoinventory.ScanState.java

private static void loadInstalldirExcludes() {
    String path = System.getProperty("user.home") + File.separator + ".hq" + File.separator
            + "installdir.excludes";
    File excludes = new File(path);
    if (!excludes.exists()) {
        return;/*ww  w .  j  a  va2s .c om*/
    }

    FileReader is = null;
    try {
        is = new FileReader(excludes);
        BufferedReader in = new BufferedReader(is);
        String line;
        while ((line = in.readLine()) != null) {
            line = line.trim();
            if (line.length() == 0) {
                continue;
            }
            if (line.charAt(0) == '#') {
                continue;
            }
            if (line.endsWith("*")) {
                line = line.substring(0, line.length() - 1);
                installdirExcludesPrefixes.add(line);
            }
            installdirExcludes.put(line, Boolean.TRUE);
        }
    } catch (IOException e) {
        e.printStackTrace();
    } finally {
        if (is != null) {
            try {
                is.close();
            } catch (IOException e) {
            }
        }
    }
}

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From source file:org.callistasoftware.maven.plugins.propertyscanner.MyMojo.java

private Properties loadProperties(Log logger) throws MojoExecutionException {
    FilenameFilter filter = new SuffixFileFilter(".properties");
    Properties allProperties = new Properties();

    for (File propertiesDirectory : propertiesDirectories) {
        if (!propertiesDirectory.exists()) {
            throw new MojoExecutionException("Could not find properties directory: " + propertiesDirectory);
        }//from   w ww .  ja v a2  s  .c  o m

        File[] propertiesFiles = propertiesDirectory.listFiles(filter);
        for (File propertiesFile : propertiesFiles) {
            if (!propertiesFile.exists()) {
                throw new MojoExecutionException("Could not find properties file: " + propertiesFile);
            }

            //loading properties
            Properties properties = new Properties();
            FileReader r = null;
            try {
                r = new FileReader(propertiesFile);
                properties.load(r);
            } catch (IOException e) {
                throw new MojoExecutionException(
                        "Error loading properties from translation file: " + propertiesFile, e);
            } finally {
                try {
                    r.close();
                } catch (Exception e) {
                    //nothing
                }
            }
            logger.debug("Loaded properties, read " + properties.size() + " entries");
            allProperties.putAll(properties);
        }
    }
    logger.info("Total properties loaded: " + allProperties.size());
    return allProperties;
}

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From source file:gov.nih.nci.caintegrator.domain.analysis.GisticGeneMapFileParser.java

/**
 * @param inputFile input file//w ww  .  ja  v a2  s. c  o  m
 * @throws IOException IO exception
 * @return gene map to wide peak boundaries
 */
public Map<String, List<Gene>> parse(File inputFile) throws IOException {
    FileReader fileReader = new FileReader(inputFile);
    CSVReader csvReader = new CSVReader(fileReader, '\t');
    String[] fields;
    while ((fields = csvReader.readNext()) != null) {
        if (WIDE_PEAK_BOUNDARIES.equalsIgnoreCase(fields[0].trim())) {
            processBoundaries(fields);
        } else if (GENES_IN_WIDE_PEAK.equalsIgnoreCase(fields[0].trim()) || StringUtils.isBlank(fields[0])) {
            processGene(fields);
        }
    }
    csvReader.close();
    fileReader.close();
    removeBoundariesWithNoGenes();
    FileUtils.deleteQuietly(inputFile);
    return geneMap;
}

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From source file:com.hiqes.android.demopermissionsm.ui.ProgLogFragment.java

public void doLoadFile(String filePath) {
    String errMsg;/*from w  ww.  j  a va2  s  .  c om*/
    Context ctx = getActivity();

    try {
        File inFile = new File(filePath);
        FileReader reader = new FileReader(inFile);
        char[] text = new char[(int) inFile.length()];
        int readCount = reader.read(text);
        if (readCount != inFile.length()) {
            errMsg = ctx.getString(R.string.warn_file_truncated);
            Toast.makeText(getActivity(), R.string.warn_file_truncated, Toast.LENGTH_LONG).show();
            Logger.w(TAG, errMsg);
        }

        Logger.d(TAG, "Read contents from log: " + inFile.getName());
        reader.close();
        mLoadedLog.setText(text, 0, readCount);
    } catch (FileNotFoundException e) {
        Logger.e(TAG, "Unable to open file: " + filePath);
        errMsg = ctx.getString(R.string.err_file_not_found);
        Toast.makeText(getActivity(), errMsg, Toast.LENGTH_LONG).show();
    } catch (IOException e) {
        Logger.e(TAG, "Failed to read saved file: " + e.getMessage());
        errMsg = ctx.getString(R.string.err_file_read);
        Toast.makeText(getActivity(), errMsg, Toast.LENGTH_LONG).show();
    }
}

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From source file:com.bigdata.rdf.sail.webapp.AbstractTestNanoSparqlClient.java

protected static Graph readGraphFromFile(final File file)
        throws RDFParseException, RDFHandlerException, IOException {

    final RDFFormat format = RDFFormat.forFileName(file.getName());

    final RDFParserFactory rdfParserFactory = RDFParserRegistry.getInstance().get(format);

    if (rdfParserFactory == null) {
        throw new RuntimeException("Parser not found: file=" + file + ", format=" + format);
    }//ww w.jav  a  2 s .co  m

    final RDFParser rdfParser = rdfParserFactory.getParser();

    rdfParser.setValueFactory(new ValueFactoryImpl());

    rdfParser.setVerifyData(true);

    rdfParser.setStopAtFirstError(true);

    rdfParser.setDatatypeHandling(RDFParser.DatatypeHandling.IGNORE);

    final StatementCollector rdfHandler = new StatementCollector();

    rdfParser.setRDFHandler(rdfHandler);

    /*
     * Run the parser, which will cause statements to be
     * inserted.
     */

    final FileReader r = new FileReader(file);
    try {
        rdfParser.parse(r, file.toURI().toString()/* baseURL */);
    } finally {
        r.close();
    }

    final Graph g = new GraphImpl();

    g.addAll(rdfHandler.getStatements());

    return g;

}

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From source file:com.webcohesion.enunciate.EnunciateConfiguration.java

public String readGeneratedCodeLicenseFile() {
    License license = getGeneratedCodeLicense();
    String filePath = license == null ? null : license.getFile();
    if (filePath == null) {
        return null;
    }//from  w ww.j  a v a 2  s  . co  m

    File file = resolveFile(filePath);
    try {
        FileReader reader = new FileReader(file);
        StringWriter writer = new StringWriter();
        char[] chars = new char[100];
        int read = reader.read(chars);
        while (read >= 0) {
            writer.write(chars, 0, read);
        }
        reader.close();
        writer.close();
        return writer.toString();
    } catch (IOException e) {
        throw new EnunciateException(e);
    }
}

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From source file:org.apache.archiva.policies.ChecksumPolicyTest.java

/**
 * Read the first line from the checksum file, and return it (trimmed).
 *//*from  w w  w .  j a va 2 s  . c o m*/
private String readChecksumFile(File checksumFile) throws Exception {
    FileReader freader = null;
    BufferedReader buf = null;

    try {
        freader = new FileReader(checksumFile);
        buf = new BufferedReader(freader);
        return buf.readLine();
    } finally {
        if (buf != null) {
            buf.close();
        }

        if (freader != null) {
            freader.close();
        }
    }
}

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From source file:org.apache.flink.streaming.python.api.PythonStreamBinder.java

/**
 * Naive MD5 calculation from the python content of the given script. Spaces, blank lines and comments
 * are ignored./*from   w  ww  .j  a  v a 2  s .c  o  m*/
 *
 * @param filePath  the full path of the given python script
 * @return  the md5 value as a string
 * @throws NoSuchAlgorithmException
 * @throws IOException
 */
private String calcPythonMd5(String filePath) throws NoSuchAlgorithmException, IOException {
    FileReader fileReader = new FileReader(filePath);
    BufferedReader bufferedReader = new BufferedReader(fileReader);

    String line;
    MessageDigest md = MessageDigest.getInstance("MD5");
    while ((line = bufferedReader.readLine()) != null) {
        line = line.trim();
        if (line.isEmpty() || line.startsWith("#")) {
            continue;
        }
        byte[] bytes = line.getBytes();
        md.update(bytes, 0, bytes.length);
    }
    fileReader.close();

    byte[] mdBytes = md.digest();

    //convert the byte to hex format method 1
    StringBuffer sb = new StringBuffer();
    for (int i = 0; i < mdBytes.length; i++) {
        sb.append(Integer.toString((mdBytes[i] & 0xff) + 0x100, 16).substring(1));
    }
    return sb.toString();
}

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