Example usage for com.google.common.io Closeables closeQuietly

Introduction

In this page you can find the example usage for com.google.common.io Closeables closeQuietly.

Prototype

public static void closeQuietly(@Nullable Reader reader) 

Source Link

Document

Closes the given Reader , logging any IOException that's thrown rather than propagating it.

Usage

From source file:runtime.intrinsic.demo._writefile.java

public static boolean invoke(final String path, final String contents) {
    final File file = new File(path);

    FileWriter fw = null;/*w w w.  java 2s .  co  m*/
    try {
        fw = new FileWriter(file, false);
        fw.write(contents);
    } catch (IOException ignore) {
        return false;
    } finally {
        Closeables.closeQuietly(fw);
    }

    return true;
}

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From source file:runtime.intrinsic.demo._appendfile.java

public static boolean invoke(final String path, final String contents) {
    final File file = new File(path);

    FileWriter fw = null;/*  w  w w  .j  av a 2s  . c o m*/
    try {
        fw = new FileWriter(file, true);
        fw.write(contents);
    } catch (IOException ignore) {
        return false;
    } finally {
        Closeables.closeQuietly(fw);
    }

    return true;
}

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From source file:org.kitesdk.apps.spi.PropertyFiles.java

public static Map<String, String> load(File input) {

    FileInputStream stream = null;

    try {//from   ww  w.ja  v a  2s.co m
        stream = new FileInputStream(input);
        return load(stream);
    } catch (FileNotFoundException e) {
        throw new AppException(e);
    } finally {
        Closeables.closeQuietly(stream);
    }
}

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From source file:net.awired.visuwall.plugin.bamboo.BambooVersionExtractor.java

static String extractVersion(URL url) throws BambooVersionNotFoundException {
    InputStream stream = null;/*from   w  w w . j a  va  2s.  c o m*/
    try {
        stream = url.openStream();
        byte[] bytes = ByteStreams.toByteArray(stream);
        String page = new String(bytes);
        return extractVersion(page);
    } catch (IOException e) {
        throw new BambooVersionNotFoundException("Can't extract version from url:" + url, e);
    } finally {
        Closeables.closeQuietly(stream);
    }
}

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From source file:org.apache.mahout.classifier.bayes.WikipediaXmlSplitter.java

public static void main(String[] args) throws IOException {
    DefaultOptionBuilder obuilder = new DefaultOptionBuilder();
    ArgumentBuilder abuilder = new ArgumentBuilder();
    GroupBuilder gbuilder = new GroupBuilder();

    Option dumpFileOpt = obuilder.withLongName("dumpFile").withRequired(true)
            .withArgument(abuilder.withName("dumpFile").withMinimum(1).withMaximum(1).create())
            .withDescription("The path to the wikipedia dump file (.bz2 or uncompressed)").withShortName("d")
            .create();//w w  w.j  a v  a 2s  .c o m

    Option outputDirOpt = obuilder.withLongName("outputDir").withRequired(true)
            .withArgument(abuilder.withName("outputDir").withMinimum(1).withMaximum(1).create())
            .withDescription("The output directory to place the splits in:\n"
                    + "local files:\n\t/var/data/wikipedia-xml-chunks or\n\tfile:///var/data/wikipedia-xml-chunks\n"
                    + "Hadoop DFS:\n\thdfs://wikipedia-xml-chunks\n"
                    + "AWS S3 (blocks):\n\ts3://bucket-name/wikipedia-xml-chunks\n"
                    + "AWS S3 (native files):\n\ts3n://bucket-name/wikipedia-xml-chunks\n")

            .withShortName("o").create();

    Option s3IdOpt = obuilder.withLongName("s3ID").withRequired(false)
            .withArgument(abuilder.withName("s3Id").withMinimum(1).withMaximum(1).create())
            .withDescription("Amazon S3 ID key").withShortName("i").create();
    Option s3SecretOpt = obuilder.withLongName("s3Secret").withRequired(false)
            .withArgument(abuilder.withName("s3Secret").withMinimum(1).withMaximum(1).create())
            .withDescription("Amazon S3 secret key").withShortName("s").create();

    Option chunkSizeOpt = obuilder.withLongName("chunkSize").withRequired(true)
            .withArgument(abuilder.withName("chunkSize").withMinimum(1).withMaximum(1).create())
            .withDescription("The Size of the chunk, in megabytes").withShortName("c").create();
    Option numChunksOpt = obuilder.withLongName("numChunks").withRequired(false)
            .withArgument(abuilder.withName("numChunks").withMinimum(1).withMaximum(1).create())
            .withDescription(
                    "The maximum number of chunks to create.  If specified, program will only create a subset of the chunks")
            .withShortName("n").create();
    Group group = gbuilder.withName("Options").withOption(dumpFileOpt).withOption(outputDirOpt)
            .withOption(chunkSizeOpt).withOption(numChunksOpt).withOption(s3IdOpt).withOption(s3SecretOpt)
            .create();

    Parser parser = new Parser();
    parser.setGroup(group);
    CommandLine cmdLine;
    try {
        cmdLine = parser.parse(args);
    } catch (OptionException e) {
        log.error("Error while parsing options", e);
        CommandLineUtil.printHelp(group);
        return;
    }

    Configuration conf = new Configuration();
    String dumpFilePath = (String) cmdLine.getValue(dumpFileOpt);
    String outputDirPath = (String) cmdLine.getValue(outputDirOpt);

    if (cmdLine.hasOption(s3IdOpt)) {
        String id = (String) cmdLine.getValue(s3IdOpt);
        conf.set("fs.s3n.awsAccessKeyId", id);
        conf.set("fs.s3.awsAccessKeyId", id);
    }
    if (cmdLine.hasOption(s3SecretOpt)) {
        String secret = (String) cmdLine.getValue(s3SecretOpt);
        conf.set("fs.s3n.awsSecretAccessKey", secret);
        conf.set("fs.s3.awsSecretAccessKey", secret);
    }
    // do not compute crc file when using local FS
    conf.set("fs.file.impl", "org.apache.hadoop.fs.RawLocalFileSystem");
    FileSystem fs = FileSystem.get(URI.create(outputDirPath), conf);

    int chunkSize = 1024 * 1024 * Integer.parseInt((String) cmdLine.getValue(chunkSizeOpt));

    int numChunks = Integer.MAX_VALUE;
    if (cmdLine.hasOption(numChunksOpt)) {
        numChunks = Integer.parseInt((String) cmdLine.getValue(numChunksOpt));
    }

    String header = "<mediawiki xmlns=\"http://www.mediawiki.org/xml/export-0.3/\" "
            + "xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\" "
            + "xsi:schemaLocation=\"http://www.mediawiki.org/xml/export-0.3/ "
            + "http://www.mediawiki.org/xml/export-0.3.xsd\" " + "version=\"0.3\" " + "xml:lang=\"en\">\n"
            + "  <siteinfo>\n" + "<sitename>Wikipedia</sitename>\n"
            + "    <base>http://en.wikipedia.org/wiki/Main_Page</base>\n"
            + "    <generator>MediaWiki 1.13alpha</generator>\n" + "    <case>first-letter</case>\n"
            + "    <namespaces>\n" + "      <namespace key=\"-2\">Media</namespace>\n"
            + "      <namespace key=\"-1\">Special</namespace>\n" + "      <namespace key=\"0\" />\n"
            + "      <namespace key=\"1\">Talk</namespace>\n" + "      <namespace key=\"2\">User</namespace>\n"
            + "      <namespace key=\"3\">User talk</namespace>\n"
            + "      <namespace key=\"4\">Wikipedia</namespace>\n"
            + "      <namespace key=\"5\">Wikipedia talk</namespace>\n"
            + "      <namespace key=\"6\">Image</namespace>\n"
            + "      <namespace key=\"7\">Image talk</namespace>\n"
            + "      <namespace key=\"8\">MediaWiki</namespace>\n"
            + "      <namespace key=\"9\">MediaWiki talk</namespace>\n"
            + "      <namespace key=\"10\">Template</namespace>\n"
            + "      <namespace key=\"11\">Template talk</namespace>\n"
            + "      <namespace key=\"12\">Help</namespace>\n"
            + "      <namespace key=\"13\">Help talk</namespace>\n"
            + "      <namespace key=\"14\">Category</namespace>\n"
            + "      <namespace key=\"15\">Category talk</namespace>\n"
            + "      <namespace key=\"100\">Portal</namespace>\n"
            + "      <namespace key=\"101\">Portal talk</namespace>\n" + "    </namespaces>\n"
            + "  </siteinfo>\n";

    StringBuilder content = new StringBuilder();
    content.append(header);
    NumberFormat decimalFormatter = new DecimalFormat("0000");
    File dumpFile = new File(dumpFilePath);
    FileLineIterator it;
    if (dumpFilePath.endsWith(".bz2")) {
        // default compression format from http://download.wikimedia.org
        CompressionCodec codec = new BZip2Codec();
        it = new FileLineIterator(codec.createInputStream(new FileInputStream(dumpFile)));
    } else {
        // assume the user has previously de-compressed the dump file
        it = new FileLineIterator(dumpFile);
    }
    int filenumber = 0;
    while (it.hasNext()) {
        String thisLine = it.next();
        if (thisLine.trim().startsWith("<page>")) {
            boolean end = false;
            while (!thisLine.trim().startsWith("</page>")) {
                content.append(thisLine).append('\n');
                if (it.hasNext()) {
                    thisLine = it.next();
                } else {
                    end = true;
                    break;
                }
            }
            content.append(thisLine).append('\n');

            if (content.length() > chunkSize || end) {
                content.append("</mediawiki>");
                filenumber++;
                String filename = outputDirPath + "/chunk-" + decimalFormatter.format(filenumber) + ".xml";
                BufferedWriter chunkWriter = new BufferedWriter(
                        new OutputStreamWriter(fs.create(new Path(filename)), "UTF-8"));
                try {
                    chunkWriter.write(content.toString(), 0, content.length());
                } finally {
                    Closeables.closeQuietly(chunkWriter);
                }
                if (filenumber >= numChunks) {
                    break;
                }
                content = new StringBuilder();
                content.append(header);
            }
        }
    }
}

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From source file:org.trancecode.io.TcByteStreams.java

public static long copy(final InputStream in, final OutputStream out, final boolean close) {
    try {//from  w  ww  .j  av a 2 s.c  o m
        final long bytes = ByteStreams.copy(in, out);
        Closeables.close(in, false);
        Closeables.close(out, false);
        return bytes;
    } catch (final IOException e) {
        throw new RuntimeIOException(e);
    } finally {
        if (close) {
            Closeables.closeQuietly(in);
            Closeables.closeQuietly(out);
        }
    }
}

---

From source file:org.sonar.plugins.pmd.PmdVersion.java

public static String getVersion() {
    Properties properties = new Properties();

    InputStream input = null;/*from ww w  . j  a v a 2 s.  c o  m*/
    try {
        input = PmdVersion.class.getResourceAsStream(PROPERTIES_PATH);
        properties.load(input);
    } catch (IOException e) {
        LoggerFactory.getLogger(PmdVersion.class)
                .warn("Can not load the PMD version from the file " + PROPERTIES_PATH, e);
    } finally {
        Closeables.closeQuietly(input);
    }

    return properties.getProperty("pmd.version", "");
}

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From source file:org.jclouds.demo.tweetstore.config.util.PropertiesLoader.java

private static Properties loadJcloudsProperties(ServletContext context) {
    InputStream input = context.getResourceAsStream(PROPERTIES_FILE);
    Properties props = new Properties();
    try {//from  w w  w  .  j a  va 2s.  c om
        props.load(input);
    } catch (IOException e) {
        throw new RuntimeException(e);
    } finally {
        Closeables.closeQuietly(input);
    }
    return props;
}

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From source file:org.cogroo.config.LanguageConfigurationUtil.java

/**
 * //  w  w w. j  ava2 s  .  c o  m
 * @param locale
 *          contains the language to be used
 * @throws InitializationException
 * @return the file .xml converted to Java, it contains which analyzers to add
 *         into the pipe according to the language to be used
 */
public static LanguageConfiguration get(Locale locale) {

    String file = generateName(locale);

    InputStream in = LanguageConfigurationUtil.class.getClassLoader().getResourceAsStream(file);

    if (in != null) {
        LanguageConfiguration lc = get(in);
        Closeables.closeQuietly(in);
        return lc;
    } else
        throw new InitializationException(
                "Couldn't locate configuration for locale: " + locale + " The expected file was: " + file);
}

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From source file:com.mdrsolutions.external.xml.XmlCalls.java

public static final String getXml(String filePath, boolean notClassPath) {

    String xml = "";
    InputStream is;/*from w  w w.  j  a va 2  s .com*/

    if (!notClassPath) {
        return getXml(filePath);
    }

    try {
        File f = new File(filePath);
        is = new FileInputStream(f);
        xml = CharStreams.toString(new InputStreamReader(is));
        if (null == xml || xml.isEmpty()) {

            Closeables.closeQuietly(is);
            throw new IOException("File path to SQL file could not be read!");
        } else {
            Closeables.closeQuietly(is);
            return xml;
        }
    } catch (IOException ex) {
        logger.error("Could not read the sql file specified!", ex);
    }
    return xml;
}

---

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