Example usage for com.google.common.io Closer create

Introduction

In this page you can find the example usage for com.google.common.io Closer create.

Prototype

public static Closer create()

Source Link

Document

Creates a new Closer .

Usage

From source file:gobblin.util.ClustersNames.java

protected ClustersNames() {

    try (Closer closer = Closer.create()) {
        InputStream propsInput = closer.register(getClass().getResourceAsStream(URL_TO_NAME_MAP_RESOURCE_NAME));
        if (null == propsInput) {
            propsInput = closer.register(ClassLoader.getSystemResourceAsStream(URL_TO_NAME_MAP_RESOURCE_NAME));
        }/* w ww .java 2  s .c o  m*/
        if (null != propsInput) {
            try {
                this.urlToNameMap.load(propsInput);
                LOG.info("Loaded cluster names map:" + this.urlToNameMap);
            } catch (IOException e) {
                LOG.warn("Unable to load cluster names map: " + e, e);
            }
        } else {
            LOG.info("no default cluster mapping found");
        }
    } catch (IOException e) {
        LOG.warn("unable to close resource input stream for " + URL_TO_NAME_MAP_RESOURCE_NAME + ":" + e, e);
    }
}

From source file:com.facebook.buck.remoteexecution.grpc.GrpcExecutionFactory.java

/**
 * The in-process strategy starts up a grpc remote execution service in process and connects to it
 * directly.//from   w w  w. j  ava 2  s.c  om
 */
public static RemoteExecutionClients createInProcess(BuckEventBus buckEventBus) throws IOException {
    NamedTemporaryDirectory workDir = new NamedTemporaryDirectory("__remote__");
    GrpcRemoteExecutionServiceServer remoteExecution = new GrpcRemoteExecutionServiceServer(
            new LocalContentAddressedStorage(workDir.getPath().resolve("__cache__"),
                    GrpcRemoteExecutionClients.PROTOCOL),
            workDir.getPath().resolve("__work__"));

    InProcessServerBuilder builder = InProcessServerBuilder.forName("unique");
    remoteExecution.getServices().forEach(builder::addService);
    Server server = builder.build().start();
    ManagedChannel channel = InProcessChannelBuilder.forName("unique").build();

    return new GrpcRemoteExecutionClients("in-process", channel, channel,
            MetadataProviderFactory.emptyMetadataProvider(), buckEventBus) {
        @Override
        public void close() throws IOException {
            try (Closer closer = Closer.create()) {
                closer.register(server::shutdown);
                closer.register(workDir);
                closer.register(super::close);
            }
            try {
                server.awaitTermination();
            } catch (InterruptedException e) {
                throw new RuntimeException(e);
            }
        }
    };
}

From source file:com.googlecode.jmxtrans.model.output.support.pool.DatagramChannelAllocator.java

@Override
public void deallocate(DatagramChannelPoolable poolable) throws Exception {
    Closer closer = Closer.create();
    try {//from w ww.j a v a 2 s  .  c  om
        Writer writer = closer.register(poolable.getWriter());
        writer.flush();
    } catch (Throwable t) {
        throw closer.rethrow(t);
    } finally {
        closer.close();
    }
}

From source file:com.android.build.gradle.internal.transforms.JarMerger.java

private void init() throws IOException {
    if (closer == null) {
        FileUtils.mkdirs(jarFile.getParentFile());

        closer = Closer.create();

        FileOutputStream fos = closer.register(new FileOutputStream(jarFile));
        BufferedOutputStream bos = closer.register(new BufferedOutputStream(fos));
        jarOutputStream = closer.register(new JarOutputStream(bos));
    }//w ww.ja v  a  2  s  .com
}

From source file:org.apache.gobblin.instrumented.fork.InstrumentedForkOperatorBase.java

protected InstrumentedForkOperatorBase(Optional<Class<?>> classTag) {
    this.closer = Closer.create();
    this.classTag = classTag;

    regenerateMetrics();
}

From source file:org.apache.gobblin.metrics.reporter.util.MetricReportUtils.java

/**
 * Parses a {@link org.apache.gobblin.metrics.MetricReport} from a byte array Avro serialization.
 * @param reuse MetricReport to reuse./*  w w w. j ava 2  s. c  o  m*/
 * @param bytes Input bytes.
 * @return MetricReport.
 * @throws java.io.IOException
 */
public synchronized static MetricReport deserializeReportFromAvroSerialization(MetricReport reuse, byte[] bytes)
        throws IOException {
    if (!READER.isPresent()) {
        READER = Optional.of(new SpecificDatumReader<>(MetricReport.class));
    }

    Closer closer = Closer.create();

    try {
        DataInputStream inputStream = closer.register(new DataInputStream(new ByteArrayInputStream(bytes)));

        // Check version byte
        int versionNumber = inputStream.readInt();
        if (versionNumber != SCHEMA_VERSION) {
            throw new IOException(
                    String.format("MetricReport schema version not recognized. Found version %d, expected %d.",
                            versionNumber, SCHEMA_VERSION));
        }

        // Decode the rest
        Decoder decoder = DecoderFactory.get().binaryDecoder(inputStream, null);
        return READER.get().read(reuse, decoder);
    } catch (Throwable t) {
        throw closer.rethrow(t);
    } finally {
        closer.close();
    }
}

From source file:com.googlecode.jmxtrans.test.UdpLoggingServer.java

private void start() {
    checkState(thread == null, "UDP Server already started");

    thread = new Thread(new Runnable() {
        @Override//from  w w  w.  ja v  a2 s.  c o m
        public void run() {
            Closer closer = Closer.create();
            try {
                try {
                    socket = closer.register(new DatagramSocket());
                    while (true) {
                        processRequests(socket);
                    }
                } catch (Throwable t) {
                    throw closer.rethrow(t);
                } finally {
                    closer.close();
                    socket = null;
                }
            } catch (IOException ioe) {
                log.error("Exception in TCP echo server", ioe);
            }
        }
    });
    thread.start();

    try {
        synchronized (startSynchro) {
            startSynchro.wait(1000);
        }
    } catch (InterruptedException interrupted) {
        log.error("UDP server seems to take too long to start", interrupted);
    }
}

From source file:alluxio.client.file.FileSystemMasterClientPool.java

@Override
public void close() throws IOException {
    FileSystemMasterClient client;// ww w.  j  a  va  2  s  . com
    Closer closer = Closer.create();
    while ((client = mClientList.poll()) != null) {
        closer.register(client);
    }
    closer.close();
}

From source file:gobblin.metrics.reporter.util.EventUtils.java

/**
 * Parses a {@link gobblin.metrics.MetricReport} from a byte array Avro serialization.
 * @param reuse MetricReport to reuse.//from  w w  w . ja  v  a  2  s .c o m
 * @param bytes Input bytes.
 * @return MetricReport.
 * @throws java.io.IOException
 */
public synchronized static GobblinTrackingEvent deserializeReportFromAvroSerialization(
        GobblinTrackingEvent reuse, byte[] bytes) throws IOException {
    if (!reader.isPresent()) {
        reader = Optional.of(new SpecificDatumReader<>(GobblinTrackingEvent.class));
    }

    Closer closer = Closer.create();

    try {
        DataInputStream inputStream = closer.register(new DataInputStream(new ByteArrayInputStream(bytes)));

        // Check version byte
        int versionNumber = inputStream.readInt();
        if (versionNumber != SCHEMA_VERSION) {
            throw new IOException(
                    String.format("MetricReport schema version not recognized. Found version %d, expected %d.",
                            versionNumber, SCHEMA_VERSION));
        }

        // Decode the rest
        Decoder decoder = DecoderFactory.get().binaryDecoder(inputStream, null);
        return reader.get().read(reuse, decoder);
    } catch (Throwable t) {
        throw closer.rethrow(t);
    } finally {
        closer.close();
    }
}

From source file:org.apache.gobblin.service.SimpleKafkaSpecExecutor.java

@Override
protected void startUp() throws Exception {
    optionalCloser = Optional.of(Closer.create());
    specProducer = optionalCloser.get().register((SimpleKafkaSpecProducer) specProducer);
}