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:org.n52.iceland.util.JSONUtils.java

public static String print(JsonNode node) {
    final StringWriter writer = new StringWriter();
    try {/*from w w  w . j av  a  2s . co m*/
        print(writer, node);
        writer.flush();
    } catch (IOException e) {
        // cannot happen
    } finally {
        try {
            Closeables.close(writer, true);
        } catch (IOException ioe) {
            LOGGER.error("Error while colsing closeable!", ioe);
        }
    }
    return writer.toString();
}

From source file:org.apache.mahout.clustering.spectral.VectorCache.java

/**
 * Loads a Vector from the specified path. Returns null if no vector exists.
 *//*ww  w.  j ava  2  s.c om*/
public static Vector load(Configuration conf, Path input) throws IOException {
    log.info("Loading vector from: {}", input);
    SequenceFileValueIterator<VectorWritable> iterator = new SequenceFileValueIterator<VectorWritable>(input,
            true, conf);
    try {
        return iterator.next().get();
    } finally {
        Closeables.close(iterator, true);
    }
}

From source file:org.lenskit.util.table.writer.CSVWriter.java

/**
 * Open a CSV writer to write to a file.
 *
 * @param file        The file to write to.
 * @param layout      The layout of the table.
 * @param compression What compression, if any, to use.
 * @return A CSV writer outputting to {@code file}.
 * @throws IOException if there is an error opening the file or writing the column header.
 *///from  w  ww  .  j a  v  a  2s  .  c o m
public static CSVWriter open(File file, TableLayout layout, CompressionMode compression) throws IOException {
    Files.createParentDirs(file);
    Writer writer = LKFileUtils.openOutput(file, Charset.defaultCharset(), compression);
    try {
        return new CSVWriter(writer, layout);
    } catch (Exception ex) {
        Closeables.close(writer, true);
        Throwables.propagateIfInstanceOf(ex, IOException.class);
        throw Throwables.propagate(ex);
    }
}

From source file:net.sf.lucis.core.impl.DefaultLucisSearcher.java

public void close() {
    try {// w w  w  . j  a v a2 s.  com
        Closeables.close(searcher, true);
        Closeables.close(reader, true);
    } catch (IOException e) {
        // TODO
    }
}

From source file:org.jclouds.examples.rackspace.cdn.DeleteService.java

/**
 * Always close your service when you're done with it.
 *
 * Note that closing quietly like this is not necessary in Java 7.
 * You would use try-with-resources in the main method instead.
 *//*  w ww .  j ava  2 s .  com*/
public void close() throws IOException {
    Closeables.close(cdnApi, true);
}

From source file:org.cleansvg.CleanTask.java

private void output(final Document document) throws IOException, TranscoderException {
    final Writer writer = writerSupplier.getOutput();
    boolean thrown = true;
    try {//  w  ww  .j  a v  a 2  s. c  om
        transcode(document, writer);
        thrown = false;
    } finally {
        Closeables.close(writer, thrown);
    }
}

From source file:org.codice.solr.factory.impl.Closer.java

/**
 * Closes all registered {@link Closeable}s since the creation or since the last call to {@link
 * #returning} whichever came first.//from   w w  w .  j a  va2s.c o  m
 */
@Override
public void close() {
    while (!closeables.isEmpty()) {
        try {
            Closeables.close(closeables.removeFirst(), true);
        } catch (IOException e) { // exceptions are suppressed above
        }
    }
}

From source file:org.jclouds.examples.rackspace.clouddatabases.CreateUser.java

/**
 * Always close your service when you're done with it.
 *
 * Note that closing quietly like this is not necessary in Java 7.
 * You would use try-with-resources in the main method instead.
 *//*from  w  w  w.  j a va 2 s.  co  m*/
public void close() throws IOException {
    Closeables.close(troveApi, true);
}

From source file:com.puppycrawl.tools.checkstyle.checks.NewlineAtEndOfFileCheck.java

@Override
protected void processFiltered(File file, List<String> lines) {
    // Cannot use lines as the line separators have been removed!
    try {//  w w  w.  j a v a 2s. c o  m
        final RandomAccessFile randomAccessFile = new RandomAccessFile(file, "r");
        boolean threw = true;
        try {
            if (!endsWithNewline(randomAccessFile)) {
                log(0, MSG_KEY_NO_NEWLINE_EOF, file.getPath());
            }
            threw = false;
        } finally {
            Closeables.close(randomAccessFile, threw);
        }
    } catch (final IOException ignored) {
        log(0, MSG_KEY_UNABLE_OPEN, file.getPath());
    }
}

From source file:org.apache.mahout.common.distance.WeightedDistanceMeasure.java

@Override
public void configure(Configuration jobConf) {
    if (parameters == null) {
        ParameteredGeneralizations.configureParameters(this, jobConf);
    }/* w w w . ja  va2s. c o  m*/
    try {
        if (weightsFile.get() != null) {
            FileSystem fs = FileSystem.get(weightsFile.get().toUri(), jobConf);
            VectorWritable weights = ClassUtils
                    .instantiateAs((Class<? extends VectorWritable>) vectorClass.get(), VectorWritable.class);
            if (!fs.exists(weightsFile.get())) {
                throw new FileNotFoundException(weightsFile.get().toString());
            }
            DataInputStream in = fs.open(weightsFile.get());
            try {
                weights.readFields(in);
            } finally {
                Closeables.close(in, true);
            }
            this.weights = weights.get();
        }
    } catch (IOException e) {
        throw new IllegalStateException(e);
    }
}