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.jclouds.abiquo.handlers.AbiquoErrorHandler.java

@Override
public void handleError(final HttpCommand command, final HttpResponse response) {
    Exception exception = null;// www. j  a  v  a  2  s  .c  o m
    String defaultMessage = String.format("%s -> %s", command.getCurrentRequest().getRequestLine(),
            response.getStatusLine());

    try {
        switch (response.getStatusCode()) {
        case 401:
        case 403:
            // Authorization exceptions do not return an errors DTO, so we
            // encapsulate a
            // generic exception
            exception = new AuthorizationException(defaultMessage,
                    new HttpResponseException(command, response, defaultMessage));
            break;
        case 404:
            exception = new ResourceNotFoundException(defaultMessage,
                    getExceptionToPropagate(command, response, defaultMessage));
            break;
        case 301:
            // Moved resources in Abiquo should be handled with the
            // ReturnMovedResource
            // exception parser to return the moved entity.
            exception = new HttpResponseException(command, response, defaultMessage);
            break;
        default:
            exception = getExceptionToPropagate(command, response, defaultMessage);
            break;
        }
    } finally {
        try {
            Closeables.close(response.getPayload(), true);
            command.setException(exception);
        } catch (IOException e) {
            throw propagate(e);
        }
    }
}

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From source file:ch.ledcom.maven.sitespeed.SiteSpeedSingleThreadedOrchestrator.java

public void siteSpeed() throws IOException {

    if (!outputDir.exists()) {
        outputDir.mkdirs();/*from  w w w. j a  va 2s  .co m*/
    }

    // crawl site to get the list of URLs to analyze
    crawler.crawl(new URICallback() {
        @Override
        public void submit(final URI uri) {
            Writer out = null;
            boolean threw = true;
            try {
                final URL url = uri.toURL();
                log.info("Received URL to analyze [" + url.toExternalForm() + "]");
                Document doc = analyzer.analyze(url);

                out = createReportWriter(uri);
                log.info("Creating report for URL [" + url.toExternalForm() + "]");
                log.info("Document to report for URL [" + url.toExternalForm() + "]");
                log.debug(XmlPrettyPrinter.prettyPrint(doc));
                reporter.report(doc, out);
                threw = false;
                crawler.shutdown();
            } catch (IOException e) {
                e.printStackTrace();
            } catch (JDOMException e) {
                e.printStackTrace();
            } catch (InterruptedException e) {
                e.printStackTrace();
            } finally {
                try {
                    Closeables.close(out, threw);
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
        }
    });
    new ResourceFiles().export(outputDir);

    try {
        Thread.sleep(10000);
    } catch (InterruptedException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    }
}

---

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

public static <T> List<T> deserializeZip(File zip, Class<T> classOfT) throws IOException {
    List<T> res = Lists.newLinkedList();
    ZipInputStream zis = null;//from   w w w  .  j a v  a2  s . co  m
    try {
        InputSupplier<FileInputStream> fis = Files.newInputStreamSupplier(zip);
        zis = new ZipInputStream(fis.getInput());
        ZipEntry entry;
        while ((entry = zis.getNextEntry()) != null) {
            if (!entry.isDirectory()) {
                res.add(Json.<T>deserialize(zis, classOfT));
            }
        }
    } finally {
        Closeables.close(zis, true);
    }
    return res;
}

---

From source file:com.android.ide.common.process.DefaultProcessExecutor.java

/**
 * Get the stderr/stdout outputs of a process and return when the process is done.
 * Both <b>must</b> be read or the process will block on windows.
 *
 * @param process The process to get the output from.
 * @param output The processOutput containing where to send the output.
 *      Note that on Windows capturing the output is not optional. If output is null
 *      the stdout/stderr will be captured and discarded.
 * @return the process return code./*www  . jav  a2s  .  c  o  m*/
 * @throws InterruptedException if {@link Process#waitFor()} was interrupted.
 */
private static int grabProcessOutput(@NonNull final Process process, @NonNull final ProcessOutput output)
        throws InterruptedException {
    Thread threadErr = new Thread("stderr") {
        @Override
        public void run() {
            InputStream stderr = process.getErrorStream();
            OutputStream stream = output.getErrorOutput();

            try {
                ByteStreams.copy(stderr, stream);
                stream.flush();
            } catch (IOException e) {
                // ignore?
            } finally {
                try {
                    Closeables.close(stderr, true /* swallowIOException */);
                } catch (IOException e) {
                    // cannot happen
                }
                try {
                    Closeables.close(stream, true /* swallowIOException */);
                } catch (IOException e) {
                    // cannot happen
                }

            }
        }
    };

    Thread threadOut = new Thread("stdout") {
        @Override
        public void run() {
            InputStream stdout = process.getInputStream();
            OutputStream stream = output.getStandardOutput();

            try {
                ByteStreams.copy(stdout, stream);
                stream.flush();
            } catch (IOException e) {
                // ignore?
            } finally {
                try {
                    Closeables.close(stdout, true /* swallowIOException */);
                } catch (IOException e) {
                    // cannot happen
                }
                try {
                    Closeables.close(stream, true /* swallowIOException */);
                } catch (IOException e) {
                    // cannot happen
                }

            }
        }
    };

    threadErr.start();
    threadOut.start();

    // it looks like on windows process#waitFor() can return
    // before the thread have filled the arrays, so we wait for both threads and the
    // process itself.
    threadErr.join();
    threadOut.join();

    // get the return code from the process
    return process.waitFor();
}

---

From source file:edu.rosehulman.mahout.classifier.naivebayes.NaiveBayesModel.java

public static NaiveBayesModel materialize(Path output, Configuration conf) throws IOException {
    FileSystem fs = output.getFileSystem(conf);

    Vector weightsPerLabel = null;
    Vector perLabelThetaNormalizer = null;
    Vector weightsPerFeature = null;
    Matrix weightsPerLabelAndFeature;//from   w ww.j  a v a  2  s  .  c  o  m
    float alphaI;

    FSDataInputStream in = fs.open(new Path(output, "naiveBayesModel.bin"));
    try {
        alphaI = in.readFloat();
        weightsPerFeature = VectorWritable.readVector(in);
        weightsPerLabel = new DenseVector(VectorWritable.readVector(in));
        perLabelThetaNormalizer = new DenseVector(VectorWritable.readVector(in));

        weightsPerLabelAndFeature = new SparseRowMatrix(weightsPerLabel.size(), weightsPerFeature.size());
        for (int label = 0; label < weightsPerLabelAndFeature.numRows(); label++) {
            weightsPerLabelAndFeature.assignRow(label, VectorWritable.readVector(in));
        }
    } finally {
        Closeables.close(in, true);
    }
    NaiveBayesModel model = new NaiveBayesModel(weightsPerLabelAndFeature, weightsPerFeature, weightsPerLabel,
            perLabelThetaNormalizer, alphaI);
    model.validate();
    return model;
}

---

From source file:com.github.autermann.sockets.ssl.KeyStoreSSLConfiguration.java

public static SSLConfiguration load(InputStream in) throws IOException {
    try {/*  w  w w .  j a  v a  2s  .c  o  m*/
        Properties p = new Properties();
        p.load(checkNotNull(in));
        return load(p);
    } finally {
        Closeables.close(in, true);
    }
}

---

From source file:org.jclouds.management.JcloudsManagement.java

/**
 * Parses the String into a {@link Properties} object.
 * The String is expected to separated key from valus using the '=' sign and key/value pairs with a new line.
 * @param input//  w ww  . ja v  a2  s  . c  o m
 * @return
 * @throws IOException
 */
private static Properties stringToProperties(@Nullable String input) throws IOException {
    Properties properties = new Properties();
    if (!Strings.isNullOrEmpty(input)) {
        ByteArrayInputStream bis = null;
        try {
            bis = new ByteArrayInputStream(input.getBytes(Charsets.UTF_8));
            properties.load(bis);
        } finally {
            Closeables.close(bis, true);
        }
    }
    return properties;
}

---

From source file:net.pterodactylus.sonitus.data.AbstractFilter.java

@Override
public void close() {
    try {/*from   ww w. j  av  a  2 s  .c om*/
        Closeables.close(outputStream, true);
        Closeables.close(inputStream, true);
    } catch (IOException e) {
        /* wont throw. */
    }
}

---

From source file:org.locationtech.geogig.rocksdb.RocksdbObjectDatabase.java

@Override
public synchronized void close() {
    if (!isOpen()) {
        return;//from  ww  w  . j  a v  a 2 s. c o m
    }
    try {
        super.close();
    } finally {
        RocksdbBlobStore blobs = this.blobs;
        RocksdbGraphDatabase graph = this.graph;
        this.blobs = null;
        this.graph = null;
        try {
            Closeables.close(blobs, true);
            Closeables.close(graph, true);
        } catch (IOException e) {
            throw new RuntimeException(e);
        }
    }
}

---

From source file:edu.rosehulman.TFPartialVectorReducer.java

@Override
protected void reduce(Text key, Iterable<StringTuple> values, Context context)
        throws IOException, InterruptedException {
    Iterator<StringTuple> it = values.iterator();
    if (!it.hasNext()) {
        return;/* w w w.  ja  v a2s  .c  o m*/
    }
    StringTuple value = it.next();

    Vector vector = new RandomAccessSparseVector(dimension, value.length()); // guess at initial size

    if (maxNGramSize >= 2) {
        ShingleFilter sf = new ShingleFilter(new IteratorTokenStream(value.getEntries().iterator()),
                maxNGramSize);
        sf.reset();
        try {
            do {
                String term = sf.getAttribute(CharTermAttribute.class).toString();
                if (!term.isEmpty() && dictionary.containsKey(term)) { // ngram
                    int termId = dictionary.get(term);
                    vector.setQuick(termId, vector.getQuick(termId) + 1);
                }
            } while (sf.incrementToken());

            sf.end();
        } finally {
            Closeables.close(sf, true);
        }
    } else {
        for (String term : value.getEntries()) {
            if (!term.isEmpty() && dictionary.containsKey(term)) { // unigram
                int termId = dictionary.get(term);
                vector.setQuick(termId, vector.getQuick(termId) + 1);
            }
        }
    }
    if (sequentialAccess) {
        vector = new SequentialAccessSparseVector(vector);
    }

    if (namedVector) {
        vector = new NamedVector(vector, key.toString());
    }

    // if the vector has no nonZero entries (nothing in the dictionary), let's not waste space sending it to disk.
    if (vector.getNumNondefaultElements() > 0) {
        VectorWritable vectorWritable = new VectorWritable(vector);
        context.write(key, vectorWritable);
    } else {
        context.getCounter("TFPartialVectorReducer", "emptyVectorCount").increment(1);
    }
}

---

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