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

Introduction

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

Prototype

public static void close(@Nullable Closeable closeable, boolean swallowIOException) throws IOException

Source Link

Document

Closes a Closeable , with control over whether an IOException may be thrown.

Usage

From source file:eu.interedition.text.Text.java

public Text write(Session session, Reader content) throws IOException {
    final FileBackedOutputStream buf = createBuffer();
    CountingWriter tempWriter = null;// w ww .j av  a2  s .com
    try {
        CharStreams.copy(content, tempWriter = new CountingWriter(new OutputStreamWriter(buf, Text.CHARSET)));
    } finally {
        Closeables.close(tempWriter, false);
    }

    Reader bufReader = null;
    try {
        return write(session, bufReader = new InputStreamReader(buf.getSupplier().getInput(), Text.CHARSET),
                tempWriter.length);
    } finally {
        Closeables.close(bufReader, false);
    }
}

From source file:org.apache.mahout.cf.taste.hadoop.item.IDReader.java

private Map<Long, FastIDSet> readUserItemFilter(String pathString) throws IOException {
    Map<Long, FastIDSet> result = Maps.newHashMap();
    InputStream in = openFile(pathString);

    try {/* w  ww .  j  a  va 2s.co m*/
        for (String line : new FileLineIterable(in)) {
            try {
                String[] tokens = SEPARATOR.split(line.toString());
                Long userId = Long.parseLong(tokens[0]);
                Long itemId = Long.parseLong(tokens[1]);

                addUserAndItemIdToUserItemFilter(result, userId, itemId);
            } catch (NumberFormatException nfe) {
                log.warn("userItemFile line ignored: {}", line);
            }
        }
    } finally {
        Closeables.close(in, true);
    }

    return result;
}

From source file:com.comphenix.protocol.wrappers.nbt.NbtFactory.java

/**
 * Load a NBT compound from a GZIP compressed file.
 * @param file - the source file.//  www . j  a va2  s.co  m
 * @return The compound.
 * @throws IOException Unable to load file.
 */
public static NbtCompound fromFile(String file) throws IOException {
    Preconditions.checkNotNull(file, "file cannot be NULL");
    FileInputStream stream = null;
    DataInputStream input = null;
    boolean swallow = true;

    try {
        stream = new FileInputStream(file);
        NbtCompound result = NbtBinarySerializer.DEFAULT
                .deserializeCompound(input = new DataInputStream(new GZIPInputStream(stream)));
        swallow = false;
        return result;
    } finally {
        // Would be nice to avoid this, but alas - we have to use Java 6
        if (input != null)
            Closeables.close(input, swallow);
        else if (stream != null)
            Closeables.close(stream, swallow);
    }
}

From source file:hudson.plugins.timestamper.io.TimestampsWriter.java

/**
 * {@inheritDoc}
 */
@Override
public void close() throws IOException {
    Closeables.close(timestampsOutput, false);
}

From source file:com.vilt.minium.impl.JQueryInvoker.java

protected static String getFileContent(String filename) {
    InputStream in = null;//from w ww  .ja  va  2s.  co  m
    try {
        in = getClasspathFileInputStream(filename);
        return CharStreams.toString(new InputStreamReader(in, Charsets.UTF_8));
    } catch (IOException e) {
        throw new WebElementsException(format("Could not load %s from classpath", filename), e);
    } finally {
        try {
            Closeables.close(in, true);
        } catch (IOException e) {
        }
    }
}

From source file:org.apache.mahout.utils.vectors.arff.Driver.java

protected static void writeLabelBindings(File dictOut, ARFFModel arffModel, String delimiter,
        boolean jsonDictonary) throws IOException {
    Writer writer = Files.newWriterSupplier(dictOut, Charsets.UTF_8, true).getOutput();
    try {/* www  .  j a  v  a  2s.c om*/
        if (jsonDictonary) {
            writeLabelBindingsJSON(writer, arffModel);
        } else {
            writeLabelBindings(writer, arffModel, delimiter);
        }
    } finally {
        Closeables.close(writer, false);
    }
}

From source file:com.kixeye.chassis.bootstrap.configuration.zookeeper.ZookeeperConfigurationProvider.java

@Override
public void close() throws IOException {
    Closeables.close(curatorFramework, false);
}

From source file:io.smartspaces.master.api.master.internal.StandardMasterApiActivityManager.java

@Override
public Map<String, Object> saveActivity(SimpleActivity activityDescription, InputStream activityContentStream) {
    try {//from  www  .  ja v a 2s. c  om
        Activity finalActivity = resourceRepositoryManager.addActivity(activityContentStream);

        return SmartSpacesMessagesSupport.getSuccessResponse(extractBasicActivityApiData(finalActivity));
    } catch (Throwable e) {
        Map<String, Object> response = SmartSpacesMessagesSupport
                .getFailureResponse(MasterApiMessages.MESSAGE_API_CALL_FAILURE, e);

        logResponseError("Attempt to import activity data failed", response);

        return response;
    } finally {
        try {
            Closeables.close(activityContentStream, true);
        } catch (IOException e) {
            // Won't ever be thrown.
        }
    }
}

From source file:org.apache.mahout.clustering.evaluation.RepresentativePointsDriver.java

private static void writeInitialState(Path output, Path clustersIn) throws IOException {
    Configuration conf = new Configuration();
    FileSystem fs = FileSystem.get(output.toUri(), conf);
    for (FileStatus dir : fs.globStatus(clustersIn)) {
        Path inPath = dir.getPath();
        for (FileStatus part : fs.listStatus(inPath, PathFilters.logsCRCFilter())) {
            Path inPart = part.getPath();
            Path path = new Path(output, inPart.getName());
            SequenceFile.Writer writer = new SequenceFile.Writer(fs, conf, path, IntWritable.class,
                    VectorWritable.class);
            try {
                for (ClusterWritable clusterWritable : new SequenceFileValueIterable<ClusterWritable>(inPart,
                        true, conf)) {//  w w  w .j a  v a 2 s  .  c  om
                    Cluster cluster = clusterWritable.getValue();
                    if (log.isDebugEnabled()) {
                        log.debug("C-{}: {}", cluster.getId(),
                                AbstractCluster.formatVector(cluster.getCenter(), null));
                    }
                    writer.append(new IntWritable(cluster.getId()), new VectorWritable(cluster.getCenter()));
                }
            } finally {
                Closeables.close(writer, false);
            }
        }
    }
}

From source file:com.metamx.common.io.smoosh.FileSmoosher.java

@Override
public void close() throws IOException {
    Closeables.close(currOut, false);

    File metaFile = metaFile(baseDir);

    Writer out = null;/* ww  w  . j  ava 2 s .  c  o  m*/
    try {
        out = new BufferedWriter(new OutputStreamWriter(new FileOutputStream(metaFile), Charsets.UTF_8));
        out.write(String.format("v1,%d,%d", maxChunkSize, outFiles.size()));
        out.write("\n");

        for (Map.Entry<String, Metadata> entry : internalFiles.entrySet()) {
            final Metadata metadata = entry.getValue();
            out.write(joiner.join(entry.getKey(), metadata.getFileNum(), metadata.getStartOffset(),
                    metadata.getEndOffset()));
            out.write("\n");
        }
    } finally {
        Closeables.close(out, false);
    }
}