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:com.oculusinfo.tile.CacheConfigModule.java

@Override
protected void configureServlets() {

    // Read the ehCache property from web.xml or override-web.xml
    String filename = context.getInitParameter("ehcacheConfig");

    try {//from   w ww .  j av  a2 s .  co m
        logger.info("Loading ehcache configuration:");

        // Load properties
        InputStream inp = ResourceHelper.getStreamForPath(filename, "res:///ehcache.xml");

        // Create cache manager with provided configuration
        CacheManager.create(inp);

        Closeables.close(inp, false);

    } catch (IOException e) {
        // Failed to load properties, error
        addError(e);
    }

    // Filter all REST calls
    filter("/rest/*").through(CustomPageCachingFilter.class);

}

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

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

From source file:eu.interedition.text.rdbms.RelationalTextRepository.java

public Text write(Text text, Reader content) throws IOException {
    final FileBackedOutputStream buf = createBuffer();
    CountingWriter tempWriter = null;/*from ww w .  j  a  va2s. co m*/
    try {
        CharStreams.copy(content, tempWriter = new CountingWriter(new OutputStreamWriter(buf, Text.CHARSET)));
    } finally {
        Closeables.close(tempWriter, false);
    }

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

From source file:org.semanticweb.owlapi.io.XZFileDocumentTarget.java

@Override
public void close() throws Exception {
    OutputStream toReturn = outputStream;
    outputStream = null;
    Closeables.close(toReturn, false);
}

From source file:org.apache.tephra.persist.LocalFileTransactionStateStorage.java

@Override
public void writeSnapshot(TransactionSnapshot snapshot) throws IOException {
    // save the snapshot to a temporary file
    File snapshotTmpFile = new File(snapshotDir, TMP_SNAPSHOT_FILE_PREFIX + snapshot.getTimestamp());
    LOG.debug("Writing snapshot to temporary file {}", snapshotTmpFile);
    OutputStream out = Files.newOutputStreamSupplier(snapshotTmpFile).getOutput();
    boolean threw = true;
    try {//from   w ww.  j  av  a2 s.  c  o m
        codecProvider.encode(out, snapshot);
        threw = false;
    } finally {
        Closeables.close(out, threw);
    }

    // move the temporary file into place with the correct filename
    File finalFile = new File(snapshotDir, SNAPSHOT_FILE_PREFIX + snapshot.getTimestamp());
    if (!snapshotTmpFile.renameTo(finalFile)) {
        throw new IOException("Failed renaming temporary snapshot file " + snapshotTmpFile.getName() + " to "
                + finalFile.getName());
    }

    LOG.debug("Completed snapshot to file {}", finalFile);
}

From source file:org.kitesdk.data.filesystem.FileSystemDatasetWriter.java

@Override
public void close() {
    if (state.equals(ReaderWriterState.OPEN)) {
        logger.debug("Closing pathTmp:{}", pathTmp);

        try {// w  ww  .j a  v a 2  s. co m
            Closeables.close(dataFileWriter, false);
        } catch (IOException e) {
            throw new DatasetWriterException(
                    "Unable to close writer:" + dataFileWriter + " to path:" + pathTmp);
        }

        logger.debug("Committing pathTmp:{} to path:{}", pathTmp, path);

        try {
            if (!fileSystem.rename(pathTmp, path)) {
                throw new DatasetWriterException("Failed to move " + pathTmp + " to " + path);
            }
        } catch (IOException e) {
            throw new DatasetWriterException("Internal error while trying to commit path:" + pathTmp, e);
        }

        state = ReaderWriterState.CLOSED;
    }
}

From source file:org.apache.parquet.cli.commands.ToAvroCommand.java

@Override
@SuppressWarnings("unchecked")
public int run() throws IOException {
    Preconditions.checkArgument(targets != null && targets.size() == 1, "A data file is required.");

    String source = targets.get(0);

    CodecFactory codecFactory = Codecs.avroCodec(compressionCodecName);

    Schema schema;/* w  w  w.  java2 s.  c  o m*/
    if (avroSchemaFile != null) {
        schema = Schemas.fromAvsc(open(avroSchemaFile));
    } else {
        schema = getAvroSchema(source);
    }
    Schema projection = filterSchema(schema, columns);

    Path outPath = qualifiedPath(outputPath);
    FileSystem outFS = outPath.getFileSystem(getConf());
    if (overwrite && outFS.exists(outPath)) {
        console.debug("Deleting output file {} (already exists)", outPath);
        outFS.delete(outPath);
    }

    Iterable<Record> reader = openDataFile(source, projection);
    boolean threw = true;
    long count = 0;
    try {
        DatumWriter<Record> datumWriter = new GenericDatumWriter<>(schema);
        DataFileWriter<Record> w = new DataFileWriter<>(datumWriter);
        w.setCodec(codecFactory);

        try (DataFileWriter<Record> writer = w.create(projection, create(outputPath))) {
            for (Record record : reader) {
                writer.append(record);
                count += 1;
            }
        }
        threw = false;
    } catch (RuntimeException e) {
        throw new RuntimeException("Failed on record " + count, e);
    } finally {
        if (reader instanceof Closeable) {
            Closeables.close((Closeable) reader, threw);
        }
    }

    return 0;
}

From source file:com.turn.ttorrent.tracker.simple.SimpleTrackerService.java

/**
 * Handle the incoming request on the tracker service.
 *
 * <p>/*ww  w .jav a2  s.  co  m*/
 * This makes sure the request is made to the tracker's announce URL, and
 * delegates handling of the request to the <em>process()</em> method after
 * preparing the response object.
 * </p>
 *
 * @param request The incoming HTTP request.
 * @param response The response object.
 */
@Override
public void handle(Request request, Response response) {
    // LOG.info("Request: " + request);
    try {
        // Reject non-announce requests
        if (!TrackerUtils.DEFAULT_ANNOUNCE_URL.equals(request.getPath().toString())) {
            metrics.requestRejected.mark();
            response.setStatus(Status.NOT_FOUND);
            response.close();
            return;
        }

        OutputStream body = null;
        try {
            body = response.getOutputStream();
            this.process(request, response, body);
            body.flush();
        } finally {
            Closeables.close(body, true);
        }

    } catch (Exception e) {
        LOG.warn("Error while handling request", e);
        return;
    }
}

From source file:se.curity.examples.oauth.OAuthOpaqueFilter.java

@Override
public void destroy() {
    try {//from   w w  w  .  j ava  2s.  c o m
        Closeables.close(_opaqueTokenValidator, true);
    } catch (IOException e) {
        _logger.warn("Problem closing jwk client", e);
    }
}

From source file:com.ml.ira.algos.LogisticModelParameters.java

/**
 * Reads a model from a file./*  w w w  .j  a va  2s.c o  m*/
 * @throws java.io.IOException If there is an error opening or closing the file.
 */
public static LogisticModelParameters loadFrom(File in) throws IOException {
    InputStream input = new FileInputStream(in);
    try {
        return loadFrom(input);
    } finally {
        Closeables.close(input, true);
    }
}