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

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:org.apache.mahout.classifier.sgd.NewsgroupHelper.java

Vector encodeFeatureVector(File file, int actual, int leakType, Multiset<String> overallCounts)
        throws IOException {
    long date = (long) (1000 * (DATE_REFERENCE + actual * MONTH + 1 * WEEK * rand.nextDouble()));
    Multiset<String> words = ConcurrentHashMultiset.create();

    BufferedReader reader = Files.newReader(file, Charsets.UTF_8);
    try {/*from w w w  .jav a  2 s  .c o  m*/
        String line = reader.readLine();
        Reader dateString = new StringReader(DATE_FORMATS[leakType % 3].format(new Date(date)));
        countWords(analyzer, words, dateString, overallCounts);
        while (line != null && !line.isEmpty()) {
            boolean countHeader = (line.startsWith("From:") || line.startsWith("Subject:")
                    || line.startsWith("Keywords:") || line.startsWith("Summary:")) && leakType < 6;
            do {
                Reader in = new StringReader(line);
                if (countHeader) {
                    countWords(analyzer, words, in, overallCounts);
                }
                line = reader.readLine();
            } while (line != null && line.startsWith(" "));
        }
        if (leakType < 3) {
            countWords(analyzer, words, reader, overallCounts);
        }
    } finally {
        Closeables.closeQuietly(reader);
    }

    Vector v = new RandomAccessSparseVector(FEATURES);
    bias.addToVector("", 1, v);
    for (String word : words.elementSet()) {
        encoder.addToVector(word, Math.log1p(words.count(word)), v);
    }

    return v;
}

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From source file:com.zimbra.cs.pop3.Pop3Mailbox.java

/**
 * initialize the Pop3Mailbox, without keeping a reference to either the Mailbox object or
 * any of the Message objects in the inbox.
 *//*from   w ww  .j  a v a  2 s.  com*/
Pop3Mailbox(Mailbox mbox, Account acct, String query) throws ServiceException {
    id = mbox.getId();
    numDeleted = 0;
    opContext = new OperationContext(acct);
    deleteOption = acct.getPrefPop3DeleteOption();

    if (Strings.isNullOrEmpty(query)) {
        Set<Integer> folderIds = acct.isPrefPop3IncludeSpam()
                ? ImmutableSet.of(Mailbox.ID_FOLDER_INBOX, Mailbox.ID_FOLDER_SPAM)
                : Collections.singleton(Mailbox.ID_FOLDER_INBOX);
        String dateConstraint = acct.getAttr(Provisioning.A_zimbraPrefPop3DownloadSince);
        Date popSince = dateConstraint == null ? null : LdapDateUtil.parseGeneralizedTime(dateConstraint);
        messages = mbox.openPop3Folder(opContext, folderIds, popSince);
        for (Pop3Message p3m : messages) {
            totalSize += p3m.getSize();
        }
    } else {
        ZimbraQueryResults results = null;
        messages = new ArrayList<Pop3Message>(500);
        try {
            results = mbox.index.search(opContext, query, POP3_TYPES, SortBy.DATE_DESC, 500);

            while (results.hasNext()) {
                ZimbraHit hit = results.getNext();
                if (hit instanceof MessageHit) {
                    MessageHit mh = (MessageHit) hit;
                    Message msg = mh.getMessage();
                    if (!msg.isTagged(Flag.FlagInfo.POPPED)) {
                        totalSize += msg.getSize();
                        messages.add(new Pop3Message(msg));
                    }
                }
            }
        } finally {
            Closeables.closeQuietly(results);
        }
    }
}

---

From source file:co.cask.cdap.common.lang.jar.BundleJarUtil.java

/**
 * Returns an {@link InputSupplier} for a given entry. This avoids unjar the whole file to just get one entry.
 * However, to get many entries, unjar would be more efficient. Also, the jar file is scanned every time the
 * {@link InputSupplier#getInput()} is invoked.
 *
 * @param jarLocation Location of the jar file.
 * @param entryName Name of the entry to fetch
 * @return An {@link InputSupplier}.// w w  w.  jav a  2  s . c  o m
 */
public static InputSupplier<InputStream> getEntry(final Location jarLocation, final String entryName)
        throws IOException {
    Preconditions.checkArgument(jarLocation != null);
    Preconditions.checkArgument(entryName != null);
    final URI uri = jarLocation.toURI();

    // Small optimization if the location is local
    if ("file".equals(uri.getScheme())) {
        return new InputSupplier<InputStream>() {

            @Override
            public InputStream getInput() throws IOException {
                final JarFile jarFile = new JarFile(new File(uri));
                ZipEntry entry = jarFile.getEntry(entryName);
                if (entry == null) {
                    throw new IOException("Entry not found for " + entryName);
                }
                return new FilterInputStream(jarFile.getInputStream(entry)) {
                    @Override
                    public void close() throws IOException {
                        try {
                            super.close();
                        } finally {
                            jarFile.close();
                        }
                    }
                };
            }
        };
    }

    // Otherwise, use JarInputStream
    return new InputSupplier<InputStream>() {
        @Override
        public InputStream getInput() throws IOException {
            JarInputStream is = new JarInputStream(jarLocation.getInputStream());
            JarEntry entry = is.getNextJarEntry();
            while (entry != null) {
                if (entryName.equals(entry.getName())) {
                    return is;
                }
                entry = is.getNextJarEntry();
            }
            Closeables.closeQuietly(is);
            throw new IOException("Entry not found for " + entryName);
        }
    };
}

---

From source file:com.netflix.exhibitor.core.processes.ProcessMonitor.java

private Runnable makeEofProc(final Process process, final String completionMessage, final Mode mode) {
    return new Runnable() {
        @Override/*  w w w . j  a  v  a  2  s . c om*/
        public void run() {
            try {
                process.waitFor();
            } catch (InterruptedException e) {
                Thread.currentThread().interrupt();
                if (mode == Mode.DESTROY_ON_INTERRUPT) {
                    Closeables.closeQuietly(process.getErrorStream());
                    Closeables.closeQuietly(process.getInputStream());
                    Closeables.closeQuietly(process.getOutputStream());

                    process.destroy();
                }
            }

            if (completionMessage != null) {
                exhibitor.getLog().add(ActivityLog.Type.INFO, completionMessage);
            }
        }
    };
}

---

From source file:com.netflix.exhibitor.servlet.ExhibitorServletContextListener.java

private Map<String, String> makeArgsBuilder() {
    Map<String, String> argsBuilder = Maps.newHashMap();

    try {/*from w  w  w. j  ava2 s.c  o  m*/
        URL resource = Resources.getResource(EXHIBITOR_PROPERTIES);
        InputStream stream = resource.openStream();
        try {
            Properties properties = new Properties(System.getProperties());
            properties.load(stream);
            applyProperties(argsBuilder, properties);
        } finally {
            Closeables.closeQuietly(stream);
        }
    } catch (IllegalArgumentException e) {
        log.warn("Could not find " + EXHIBITOR_PROPERTIES);
    } catch (IOException e) {
        log.error("Could not load " + EXHIBITOR_PROPERTIES, e);
    }

    applyProperties(argsBuilder, System.getProperties());

    return argsBuilder;
}

---

From source file:org.cogroo.analyzer.ComponentFactory.java

public Analyzer createSentenceDetector() {
    long start = System.nanoTime();
    SentenceDetectorME sentenceDetector = null;
    InputStream modelIn = null;/*  w  w w.ja v a2 s  .c  om*/
    Analyzer analyzer = null;
    if (modelPathMap.containsKey(Analyzers.SENTENCE_DETECTOR)) {
        try {
            modelIn = ComponentFactory.class.getResourceAsStream(modelPathMap.get(Analyzers.SENTENCE_DETECTOR));
            SentenceModel model = new SentenceModel(modelIn);
            sentenceDetector = new SentenceDetectorME(model);
        } catch (IOException e) {
            LOGGER.fatal("Couldn't load sentence model!", e);
        } finally {
            Closeables.closeQuietly(modelIn);
        }

        if (sentenceDetector == null)
            throw new InitializationException("Couldn't load SentenceDetectorME class");

        analyzer = new SentenceDetector(sentenceDetector);
    }
    if (LOGGER.isInfoEnabled()) {
        LOGGER.info("Initialized SentenceDetector in " + ((System.nanoTime() - start) / 1000000) + "ms]");
    }
    return analyzer;
}

---

From source file:org.sonarsource.ldap.it.ApacheDS.java

/**
 * Stream will be closed automatically./*from w  ww. ja  va 2 s . c  o m*/
 */
public void importLdif(InputStream is) throws Exception {
    Preconditions.checkState(directoryService.isStarted(), "Directory service not started");
    try {
        LdifReader entries = new LdifReader(is);
        CoreSession rootDSE = directoryService.getAdminSession();
        // see LdifFileLoader
        for (LdifEntry ldifEntry : entries) {
            LOG.info(ldifEntry.toString());
            if (ChangeType.Add == ldifEntry.getChangeType()) {
                rootDSE.add(new DefaultServerEntry(rootDSE.getDirectoryService().getRegistries(),
                        ldifEntry.getEntry()));
            } else if (ChangeType.Modify == ldifEntry.getChangeType()) {
                rootDSE.modify(ldifEntry.getDn(), ldifEntry.getModificationItems());
            } else if (ChangeType.Delete == ldifEntry.getChangeType()) {
                rootDSE.delete(ldifEntry.getDn());
            }
        }
    } finally {
        Closeables.closeQuietly(is);
    }
}

---

From source file:com.b2international.snowowl.snomed.reasoner.server.net4j.SnomedOntologyExportIndication.java

@Override
protected void responding(final ExtendedDataOutputStream out, final OMMonitor monitor) throws Exception {
    final SnomedOntologyService ontologyService = ApplicationContext.getInstance()
            .getService(SnomedOntologyService.class);
    OWLOntology ontology = null;/* ww w .ja v  a  2 s  .com*/
    Async async = null;

    monitor.begin();

    try {
        async = monitor.forkAsync();

        final File ontologyTempFile = TMPUtil.createTempFile();
        ontology = ontologyService.createOntology(branchPath, true);
        ontologyService.saveOntology(ontology, exportType, ontologyTempFile);

        final long length = ontologyTempFile.length();
        out.writeLong(length);

        InputStream inputStream = null;

        try {
            inputStream = IOUtil.openInputStream(ontologyTempFile);
            inputStream = new BufferedInputStream(inputStream);
            IOUtil.copyBinary(inputStream, out, length);
        } finally {
            Closeables.closeQuietly(inputStream);
        }

    } finally {
        if (null != async) {
            async.stop();
        }

        if (null != ontology) {
            ontologyService.removeOntology(ontology);
        }

        monitor.done();
    }
}

---

From source file:com.github.praxissoftware.maven.plugins.GenerateFeaturesMojo.java

@SuppressWarnings("unchecked")
@Override/*from   ww  w.j  a  v  a2  s. c  o  m*/
public void execute() throws MojoExecutionException {
    Writer out = null;
    try {

        // Get the template text from the jar's resources.
        final InputSupplier<InputStreamReader> supplier = CharStreams
                .newReaderSupplier(new InputSupplier<InputStream>() {
                    @Override
                    public InputStream getInput() throws IOException {
                        return getClass().getClassLoader().getResourceAsStream("features.mustache.xml");
                    }
                }, Charsets.UTF_8);
        final String template = CharStreams.toString(supplier);

        // Create the mustache factory from the loaded template.
        final Mustache mustache = new MustacheBuilder().parse(template, "features.mustache.xml");

        // Establish output stream.
        final File featureFile = setUpFile(outputFile);
        out = new FileWriter(featureFile);

        // Build context.
        final Map<String, Object> context = convert(project.getArtifact());

        final List<Map<String, Object>> dependencies = Lists.newArrayList();
        for (final Artifact dependency : Ordering.natural().onResultOf(new SortByCoordinates())
                .sortedCopy(Iterables.filter((Collection<Artifact>) project.getDependencyArtifacts(),
                        new ArtifactsWeWant()))) {
            dependencies.add(convert(dependency));
        }
        context.put("dependencies", dependencies);

        getLog().info("Writing feature to " + outputFile.getAbsolutePath());

        // Render template.
        mustache.execute(out, context);
    } catch (final Exception e) {
        Throwables.propagateIfInstanceOf(e, MojoExecutionException.class);
        Throwables.propagateIfPossible(e);
        throw new MojoExecutionException("Unable to generate features.xml.", e);
    } finally {
        Closeables.closeQuietly(out);
    }
}

---

From source file:org.apache.giraph.partition.IdenticalWorkerPartitioner.java

public void initialization(Configuration job) {
    Path path = new Path(partitionMapPath); //used to open file by filesystem
    vid2pid = new short[graphVertexNumber];
    //read the partition file to build the vid2pid map.
    FileSystem fs = null;/*from   www  . j av a2s.c  om*/
    FSDataInputStream fileIn = null;
    BufferedReader reader = null;
    try {
        fs = path.getFileSystem(job);
        fileIn = fs.open(path);
        reader = new BufferedReader(new InputStreamReader(fileIn, Charsets.UTF_8));
        String line;
        while ((line = reader.readLine()) != null) {
            String[] tokens = SEPARATOR.split(line);
            vid2pid[Integer.valueOf(tokens[0])] = Short.valueOf(tokens[1]);
        }
        //     if(LOG.isDebugEnabled()) {
        //        for(Integer key:vid2pid.keySet()) {
        //           LOG.debug("HashTable: key= " + key +" , value= " + vid2pid.get(key));
        //        }
        //     }
    } catch (IOException e) {
    } finally {
        Closeables.closeQuietly(fileIn);
        Closeables.closeQuietly(reader);
    }
}

---

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