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.apache.mahout.text.PrefixAdditionFilter.java

@Override
protected void process(FileStatus fst, Path current) throws IOException {
    FileSystem fs = getFs();//  www. j  a v a2  s. c  om
    ChunkedWriter writer = getWriter();
    if (fst.isDir()) {
        String dirPath = getPrefix() + Path.SEPARATOR + current.getName() + Path.SEPARATOR
                + fst.getPath().getName();
        fs.listStatus(fst.getPath(),
                new PrefixAdditionFilter(getConf(), dirPath, getOptions(), writer, getCharset(), fs));
    } else {
        InputStream in = null;
        try {
            in = fs.open(fst.getPath());

            StringBuilder file = new StringBuilder();
            for (String aFit : new FileLineIterable(in, getCharset(), false)) {
                file.append(aFit).append('\n');
            }
            String name = current.getName().equals(fst.getPath().getName()) ? current.getName()
                    : current.getName() + Path.SEPARATOR + fst.getPath().getName();
            writer.write(getPrefix() + Path.SEPARATOR + name, file.toString());
        } finally {
            Closeables.close(in, false);
        }
    }
}

From source file:org.eclipse.epp.internal.logging.aeri.ui.utils.Zips.java

public static void zip(File directory, File out) throws IOException {
    ZipOutputStream zos = null;/*ww  w . j  av a 2 s . com*/
    try {
        OutputSupplier<FileOutputStream> s = Files.newOutputStreamSupplier(out);
        zos = new ZipOutputStream(s.getOutput());
        for (File f : FileUtils.listFiles(directory, FILE, DIRECTORY)) {
            String path = removeStart(f.getPath(), directory.getAbsolutePath() + File.separator);
            path = path.replace(File.separatorChar, '/');
            ZipEntry e = new ZipEntry(path);
            zos.putNextEntry(e);
            Files.asByteSource(f).copyTo(zos);
            zos.closeEntry();
        }
    } finally {
        Closeables.close(zos, false);
    }
}

From source file:org.sonatype.nexus.apachehttpclient.NexusSSLConnectionSocketFactory.java

private void verifyHostname(final SSLSocket sslsock, final String hostname) throws IOException {
    try {/*  ww w.  j a v a 2 s .  c  o  m*/
        hostnameVerifier.verify(hostname, sslsock);
    } catch (final IOException e) {
        Closeables.close(sslsock, true);
        throw e;
    }
}

From source file:org.jclouds.examples.rackspace.cloudfiles.CreateContainer.java

/**
 * Always close your service when you're done with it.
 */
public void close() throws IOException {
    Closeables.close(cloudFiles, true);
}

From source file:org.apache.mahout.utils.io.ChunkedWriter.java

/** Writes a new key-value pair, creating a new sequence file if necessary.*/
public void write(String key, String value) throws IOException {
    if (currentChunkSize > maxChunkSizeInBytes) {
        Closeables.close(writer, false);
        currentChunkID++;/*  www  . j a  v a2s .c  om*/
        writer = new SequenceFile.Writer(fs, conf, getPath(currentChunkID), Text.class, Text.class);
        currentChunkSize = 0;
    }

    Text keyT = new Text(key);
    Text valueT = new Text(value);
    currentChunkSize += keyT.getBytes().length + valueT.getBytes().length; // Overhead
    writer.append(keyT, valueT);
}

From source file:eu.interedition.text.util.AbstractTextRepository.java

public Text create(XMLStreamReader xml) throws IOException, XMLStreamException {
    final File xmlSource = File.createTempFile(getClass().getName(), ".xml");

    final FileBackedOutputStream xmlBuf = createBuffer();
    XMLEventReader xmlEventReader = null;
    XMLEventWriter xmlEventWriter = null;
    try {//from ww  w .j  a v a2 s.co m
        xmlEventReader = xmlInputFactory.createXMLEventReader(xml);
        xmlEventWriter = xmlOutputFactory.createXMLEventWriter(new OutputStreamWriter(xmlBuf, Text.CHARSET));
        xmlEventWriter.add(xmlEventReader);
    } finally {
        XML.closeQuietly(xmlEventWriter);
        XML.closeQuietly(xmlEventReader);
        Closeables.close(xmlBuf, false);
    }

    Reader xmlBufReader = null;
    try {
        xmlBufReader = new InputStreamReader(xmlBuf.getSupplier().getInput(), Text.CHARSET);
        return write(create(Text.Type.XML), xmlBufReader);
    } finally {
        Closeables.close(xmlBufReader, false);
        xmlSource.delete();
    }
}

From source file:io.druid.segment.data.VSizeIndexedWriter.java

@Override
public void close() throws IOException {
    final byte numBytesForMax = VSizeIndexedInts.getNumBytesForMax(maxId);

    valuesOut.write(new byte[4 - numBytesForMax]);

    Closeables.close(headerOut, false);
    Closeables.close(valuesOut, false);//www.java2s . c om

    final long numBytesWritten = headerOut.getCount() + valuesOut.getCount();

    Preconditions.checkState(headerOut.getCount() == (numWritten * 4),
            "numWritten[%s] number of rows should have [%s] bytes written to headerOut, had[%s]", numWritten,
            numWritten * 4, headerOut.getCount());
    Preconditions.checkState(numBytesWritten < Integer.MAX_VALUE, "Wrote[%s] bytes, which is too many.",
            numBytesWritten);

    OutputStream metaOut = ioPeon.makeOutputStream(makeFilename("meta"));

    try {
        metaOut.write(new byte[] { version, numBytesForMax });
        metaOut.write(Ints.toByteArray((int) numBytesWritten + 4));
        metaOut.write(Ints.toByteArray(numWritten));
    } finally {
        metaOut.close();
    }
}

From source file:org.dyndns.jkiddo.service.daap.client.RequestHelper.java

@SuppressWarnings("unchecked")
public static <T extends Chunk> T requestParsed(final String url, final boolean keepalive,
        final boolean specialCaseProtocolViolation) throws Exception {
    logger.debug(url);//  ww  w  . jav  a2  s  .  c  om
    final DmapInputStream inputStream = new DmapInputStream(new ByteArrayInputStream(request(url, keepalive)),
            specialCaseProtocolViolation);
    final Chunk chunk = inputStream.getChunk();
    Closeables.close(inputStream, true);
    return (T) chunk;
}

From source file:org.jclouds.chef.handlers.ChefErrorHandler.java

public void handleError(HttpCommand command, HttpResponse response) {
    String message = errorParser.apply(response);
    Exception exception = new HttpResponseException(command, response, message);
    try {/*w  ww. j ava  2 s  .c o  m*/
        message = message != null ? message
                : String.format("%s -> %s", command.getCurrentRequest().getRequestLine(),
                        response.getStatusLine());
        switch (response.getStatusCode()) {
        case 401:
        case 403:
            exception = new AuthorizationException(message, exception);
            break;
        case 404:
            if (!command.getCurrentRequest().getMethod().equals("DELETE")) {
                exception = new ResourceNotFoundException(message, exception);
            }
            break;
        }
    } finally {
        if (response.getPayload() != null) {
            try {
                Closeables.close(response.getPayload().getInput(), true);
            } catch (IOException e) {
                throw propagate(e);
            }
        }
        command.setException(exception);
    }
}

From source file:com.google.dart.compiler.backend.dart.DartBackend.java

@Override
public void compileUnit(DartUnit unit, DartSource src, DartCompilerContext context,
        CoreTypeProvider typeProvider) throws IOException {
    // Generate Javascript output.
    TextOutput out = new DefaultTextOutput(false);
    DartToSourceVisitor srcGenerator = new DartToSourceVisitor(out);
    // TODO(johnlenz): Determine if we want to make source maps
    // optional.//from   w  w  w.  j  a  v  a2s .  co  m
    srcGenerator.generateSourceMap(true);
    srcGenerator.accept(unit);
    Writer w = context.getArtifactWriter(src, "", EXTENSION_DART);
    boolean failed = true;
    try {
        w.write(out.toString());
        failed = false;
    } finally {
        Closeables.close(w, failed);
    }
    // Write out the source map.
    w = context.getArtifactWriter(src, "", EXTENSION_DART_SRC_MAP);
    failed = true;
    try {
        srcGenerator.writeSourceMap(w, src.getName());
        failed = false;
    } finally {
        Closeables.close(w, failed);
    }
}