Example usage for com.google.common.io Closeables closeQuietly

List of usage examples for com.google.common.io Closeables closeQuietly

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Introduction

In this page you can find the example usage for com.google.common.io Closeables closeQuietly.

Prototype

public static void closeQuietly(@Nullable Reader reader)

Source Link

Document

Closes the given Reader , logging any IOException that's thrown rather than propagating it.

Usage

From source file:com.google.eclipse.mechanic.core.keybinding.KeyBindingsManualFormatter.java

private void dumpBindingsToFile(BindingType bindingType, Map<KbaChangeSetQualifier, KbaChangeSet> kbaChangeSet,
        IPath outputLocation, String description) throws FileNotFoundException, IOException {
    String output = getBindingsPrintout(bindingType, kbaChangeSet, description);
    File file = outputLocation.toFile();
    PrintStream stream = null;//  ww w .  j  av a 2s. c o  m
    try {
        stream = new PrintStream(new FileOutputStream(file));
        stream.print(output);
    } finally {
        Closeables.closeQuietly(stream);
    }
}

From source file:edu.isi.karma.cleaning.features.RecordClassifier2.java

public OnlineLogisticRegression train(HashMap<String, Vector<String>> traindata) throws Exception {
    String csvTrainFile = "./target/tmp/csvtrain.csv";
    Data2Features.Traindata2CSV(traindata, csvTrainFile, rf);
    lmp = new LogisticModelParameters();
    lmp.setTargetVariable("label");
    lmp.setMaxTargetCategories(rf.labels.size());
    lmp.setNumFeatures(rf.getFeatureNames().size());
    List<String> typeList = Lists.newArrayList();
    typeList.add("numeric");
    List<String> predictorList = Lists.newArrayList();
    for (String attr : rf.getFeatureNames()) {
        if (attr.compareTo("lable") != 0) {
            predictorList.add(attr);//from w  w  w  . j  a v  a 2  s .  c om
        }
    }
    lmp.setTypeMap(predictorList, typeList);
    // lmp.setUseBias(!getBooleanArgument(cmdLine, noBias));
    // lmp.setTypeMap(predictorList, typeList);
    lmp.setLambda(1e-4);
    lmp.setLearningRate(50);
    int passes = 100;
    CsvRecordFactory csv = lmp.getCsvRecordFactory();
    OnlineLogisticRegression lr = lmp.createRegression();
    for (int pass = 0; pass < passes; pass++) {
        BufferedReader in = new BufferedReader(new FileReader(new File(csvTrainFile)));
        ;
        try {
            // read variable names
            csv.firstLine(in.readLine());
            String line = in.readLine();
            while (line != null) {
                // for each new line, get target and predictors
                RandomAccessSparseVector input = new RandomAccessSparseVector(lmp.getNumFeatures());
                int targetValue = csv.processLine(line, input);
                String label = csv.getTargetCategories().get(lr.classifyFull(input).maxValueIndex());
                // now update model
                lr.train(targetValue, input);
                line = in.readLine();
            }
        } finally {
            Closeables.closeQuietly(in);
        }
    }
    labels = csv.getTargetCategories();
    return lr;

}

From source file:co.cask.tigon.flow.DeployClient.java

private static void expandJar(File jarPath, File unpackDir) throws Exception {
    JarFile jar = new JarFile(jarPath);
    Enumeration enumEntries = jar.entries();
    while (enumEntries.hasMoreElements()) {
        JarEntry file = (JarEntry) enumEntries.nextElement();
        File f = new File(unpackDir + File.separator + file.getName());
        if (file.isDirectory()) {
            f.mkdirs();//from w ww. ja va2 s .  co  m
            continue;
        } else {
            f.getParentFile().mkdirs();
        }
        InputStream is = jar.getInputStream(file);
        try {
            ByteStreams.copy(is, Files.newOutputStreamSupplier(f));
        } finally {
            Closeables.closeQuietly(is);
        }
    }
}

From source file:net.sourceforge.docfetcher.model.parse.ChmParser.java

/**
 * Converts all <tt>ChmEntry</tt>s under <tt>entry</tt> to strings and
 * puts them into the given <tt>StringBuilder</tt>.
 * /*w  w w  . j  a  v  a 2s.c  o m*/
 * @param renderText
 *            Whether the textual contents of the <tt>ChmEntry</tt>s
 *            should be extracted in a readable format (true) or as raw
 *            strings (false).
 */
private void append(@NotNull StringBuilder sb, @NotNull ChmEntry entry, boolean renderText) throws IOException {
    if (entry.hasAttribute(ChmEntry.Attribute.DIRECTORY)) {
        for (ChmEntry child : entry.entries(ChmEntry.Attribute.ALL))
            append(sb, child, renderText);
    } else {
        BufferedReader reader = null;
        try {
            reader = new BufferedReader(new InputStreamReader(entry.getInputStream(), "utf8" // Just guessing... //$NON-NLS-1$
            ));
            StringBuilder entryBuffer = new StringBuilder();
            String line = null;
            while ((line = reader.readLine()) != null)
                entryBuffer.append(line).append("\n\n"); //$NON-NLS-1$

            /*
             * The current version of chm4j doesn't allow differentiating
             * between binary files (such as images) and HTML files. Therefore
             * we scan the text for HTML tags to select the HTML files.
             */
            if (isHTML(entryBuffer)) {
                Source source = new Source(entryBuffer);
                source.setLogger(null);
                if (renderText)
                    sb.append(source.getRenderer().setIncludeHyperlinkURLs(false).toString());
                else
                    sb.append(source.getTextExtractor().toString());
            }
        } catch (RuntimeException e) {
            // The HTML lib can do this to us; do nothing
        } finally {
            Closeables.closeQuietly(reader);
        }
    }
}

From source file:org.sonatype.nexus.mime.DefaultMimeSupport.java

@Override
public Set<String> detectMimeTypesFromContent(final ContentLocator content) throws IOException {
    Set<String> magicMimeTypes = new HashSet<String>();
    BufferedInputStream bis = null;
    try {/*from w w  w .  j  a va2 s  .  c  o  m*/
        magicMimeTypes.addAll(toStringSet(
                getTouchingMimeUtil2().getMimeTypes(bis = new BufferedInputStream(content.getContent()))));
    } finally {
        Closeables.closeQuietly(bis);
    }
    return magicMimeTypes;
}

From source file:de.blizzy.documentr.system.SystemSettingsStore.java

@Override
public void start() {
    running = true;//from  w  ww. jav a 2 s  . co m

    try {
        User adminUser = userStore.getUser("admin"); //$NON-NLS-1$
        ILockedRepository repo = globalRepositoryManager.createProjectCentralRepository(REPOSITORY_NAME, false,
                adminUser);
        Closeables.closeQuietly(repo);

        // repository has just been created, store settings for the first time
        Map<String, String> settingsToStore;
        synchronized (settings) {
            settingsToStore = Maps.newHashMap(settings);
        }
        storeSettings(settingsToStore, adminUser);
    } catch (IllegalStateException e) {
        // okay
    } catch (IOException e) {
        throw new RuntimeException(e);
    } catch (GitAPIException e) {
        throw new RuntimeException(e);
    }
}

From source file:oculus.aperture.parchment.ParchmentModule.java

@Override
protected void configure() {
    logger.info("Loading Parchment Module...");

    MapBinder<String, ResourceDefinition> resourceBinder = MapBinder.newMapBinder(binder(), String.class,
            ResourceDefinition.class);

    // Provides the image service bindings.
    resourceBinder.addBinding("/parchment/{confidence}/{currency}")
            .toInstance(new ResourceDefinition(ParchmentResource.class).setVariable("currency",
                    new Variable(Variable.TYPE_URI_PATH, "", false, false)));

    // Provides the CSS bindings
    resourceBinder.addBinding("/parchment.css").toInstance(new ResourceDefinition(ParchmentCSSResource.class));

    // Prep CSS/*  ww  w .  j a va2  s  .c om*/
    InputStream inp = ParchmentModule.class.getResourceAsStream("parchment.css");
    String css = null;

    try {
        css = CharStreams.toString(new BufferedReader(new InputStreamReader(inp, Charset.forName("UTF-8"))));
    } catch (IOException e) {
        logger.error("Failure Loading Parchment Module", e);
    } finally {
        Closeables.closeQuietly(inp);
    }

    // bind result in guice.
    Names.bindProperties(this.binder(), ImmutableMap.of("aperture.parchment.css", css != null ? css : "{}"));

}

From source file:co.cask.cdap.data.stream.service.upload.AvroStreamBodyConsumer.java

@Override
public void handleError(Throwable cause) {
    LOG.warn("Failed to handle upload to stream {}", contentWriterFactory.getStream(), cause);
    Closeables.closeQuietly(bufferInput);
    try {/*from w w  w.  j av  a 2s  .com*/
        writerThread.join();
    } catch (InterruptedException e) {
        // Just log
        LOG.warn("Join on writer thread interrupted", e);
    }
}

From source file:zookeeper.example.cache.PathCacheExample.java

private static void processCommands(CuratorFramework client, PathChildrenCache cache) throws Exception {
    // More scaffolding that does a simple command line processor

    printHelp();//from   w w  w  .j  av a  2 s. co  m

    List<ExampleServer> servers = Lists.newArrayList();
    try {
        addListener(cache);

        BufferedReader in = new BufferedReader(new InputStreamReader(System.in));
        boolean done = false;
        while (!done) {
            System.out.print("> ");

            String command = in.readLine().trim();
            String[] parts = command.split("\\s");
            if (parts.length == 0) {
                continue;
            }
            String operation = parts[0];
            String args[] = Arrays.copyOfRange(parts, 1, parts.length);

            if (operation.equalsIgnoreCase("help") || operation.equalsIgnoreCase("?")) {
                printHelp();
            } else if (operation.equalsIgnoreCase("q") || operation.equalsIgnoreCase("quit")) {
                done = true;
            } else if (operation.equals("set")) {
                setValue(client, command, args);
            } else if (operation.equals("remove")) {
                remove(client, command, args);
            } else if (operation.equals("list")) {
                list(cache);
            }

            Thread.sleep(1000); // just to allow the console output to catch up
        }
    } finally {
        for (ExampleServer server : servers) {
            Closeables.closeQuietly(server);
        }
    }
}

From source file:com.netflix.curator.framework.recipes.locks.ChildReaper.java

@Override
public void close() throws IOException {
    if (state.compareAndSet(State.STARTED, State.CLOSED)) {
        Closeables.closeQuietly(reaper);
        task.cancel(true);//  ww  w.ja v a  2s .  co  m
    }
}