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:com.github.zhongl.io.IterableFile.java

public <T> Iterator<T> toIterator(final Function<ByteBuffer, T> function) {
    return new AbstractIterator<T>() {
        private ByteBuffer byteBuffer = (ByteBuffer) ByteBuffer.allocateDirect(BUFFER_SIZE)
                .position(BUFFER_SIZE);//  w  w w.jav a  2 s  . co  m
        private long position = 0;

        @Override
        protected synchronized T computeNext() {
            while (true) {
                try {
                    int last = byteBuffer.position();
                    ByteBuffer duplicate = byteBuffer.duplicate();
                    T object = function.apply(duplicate);
                    byteBuffer.position(duplicate.position());
                    position += byteBuffer.position() - last;
                    return object;
                } catch (RuntimeException e) {
                    if (isNotOutOfBound(e))
                        throw e;
                    try {
                        FileChannel channel = stream.getChannel();
                        if (position >= channel.size()) {
                            DirectByteBufferCleaner.clean(byteBuffer);
                            Closeables.closeQuietly(stream);
                            return endOfData();
                        }
                        byteBuffer.clear();
                        FileChannels.read(channel, position, byteBuffer);
                    } catch (IOException ex) {
                        throw new IllegalStateException(ex);
                    }
                }
            }
        }
    };
}

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From source file:zookeeper.example.discovery.ExampleServer.java

@Override
public void close() throws IOException {
    Closeables.closeQuietly(serviceDiscovery);
}

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From source file:io.druid.server.initialization.PropertiesModule.java

@Override
public void configure(Binder binder) {
    final Properties fileProps = new Properties();
    Properties systemProps = System.getProperties();

    Properties props = new Properties(fileProps);
    props.putAll(systemProps);/*from   w  w w  .java  2s .c om*/

    InputStream stream = ClassLoader.getSystemResourceAsStream(propertiesFile);
    try {
        if (stream == null) {
            File workingDirectoryFile = new File(
                    systemProps.getProperty("druid.properties.file", propertiesFile));
            if (workingDirectoryFile.exists()) {
                stream = new BufferedInputStream(new FileInputStream(workingDirectoryFile));
            }
        }

        if (stream != null) {
            log.info("Loading properties from %s", propertiesFile);
            try {
                fileProps.load(new InputStreamReader(stream, Charsets.UTF_8));
            } catch (IOException e) {
                throw Throwables.propagate(e);
            }
        }
    } catch (FileNotFoundException e) {
        log.wtf(e, "This can only happen if the .exists() call lied.  That's f'd up.");
    } finally {
        Closeables.closeQuietly(stream);
    }

    binder.bind(Properties.class).toInstance(props);
}

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From source file:org.sonar.api.rules.XMLRuleParser.java

/**
 * Warning : the input stream is closed in this method
 *//*from   w  w  w . jav a2s.com*/
public List<Rule> parse(InputStream input) {
    Reader reader = null;
    try {
        reader = new InputStreamReader(input, CharEncoding.UTF_8);
        return parse(reader);

    } catch (IOException e) {
        throw new SonarException("Fail to load the xml stream", e);

    } finally {
        Closeables.closeQuietly(reader);
    }
}

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From source file:com.netflix.recipes.rss.server.BaseNettyServer.java

public void close() {
    Closeables.closeQuietly(nettyServer);
    Closeables.closeQuietly(karyonServer);
    LoggingConfiguration.getInstance().stop();
}

---

From source file:org.fusesource.process.manager.GenerateControllerKinds.java

public void run() throws Exception {
    File baseDir = new File(System.getProperty("basedir", "."));
    File srcDir = new File(baseDir, "src/main/resources");
    assertTrue("source dir doesn't exist! " + srcDir, srcDir.exists());
    assertTrue("source folder is not a directory " + srcDir, srcDir.isDirectory());

    File classesDir = new File(baseDir, "target/classes");
    File outFile = new File(classesDir, "org/fusesource/process/manager/controllerKinds");
    outFile.getParentFile().mkdirs();/*from w w  w  .  j  a v  a2 s . c o  m*/

    System.out.println("Generating controller kinds file: " + outFile);
    FileWriter writer = null;
    try {
        writer = new FileWriter(outFile);

        File[] list = srcDir.listFiles();
        String postfix = ".json";
        List<String> kinds = Lists.newArrayList();
        assertNotNull("No JSON files found in source dir: " + srcDir, list);
        for (File file : list) {
            if (!file.isFile())
                continue;
            String name = file.getName();
            if (name.endsWith(postfix)) {
                String kind = name.substring(0, name.length() - postfix.length());
                kinds.add(kind);
                writer.write(kind + "\n");
            }
        }

        System.out.println("Found controller kinds: " + kinds);
    } finally {
        Closeables.closeQuietly(writer);
    }

    // lets try find the process tarball
    String groupId = System.getProperty("groupId", "org.fusesource.process");
    String artifactId = "process-launcher";
    String version = System.getProperty("version", "99-master-SNAPSHOT");
    String classifier = "bin";
    String extension = "tar.gz";

    String name = groupId + "/" + artifactId + "/" + version;
    System.out.println("Loading bundle: " + name);

    File file = new File(baseDir + "/../process-launcher/target/" + artifactId + "-" + version + "-bin.tar.gz");

    assertNotNull("Cannot find the file for " + name + " using " + file.getPath(), file);
    File newFile = new File(classesDir, "process-launcher.tar.gz");
    Files.move(file, newFile);
    System.out.println("Moved process launch tarball to " + newFile);
}

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From source file:com.silverpeas.util.cryptage.CryptMD5.java

public static String hash(File file) throws UtilException {
    MessageDigest digest;/* w  ww . ja  va  2  s .c om*/
    FileInputStream fileInputStream = null;
    try {
        digest = MessageDigest.getInstance("MD5");
        fileInputStream = new FileInputStream(file);
        byte[] buffer = new byte[8];
        int c = 0;
        while ((c = fileInputStream.read(buffer)) != -1) {
            digest.update(buffer, 0, c);
        }
        byte[] signature = digest.digest();
        return getHexString(signature);
    } catch (NoSuchAlgorithmException e) {
        throw new UtilException("CryptMD5.hash()", SilverpeasException.ERROR, "root.EX_NO_MESSAGE", e);
    } catch (IOException e) {
        throw new UtilException("CryptMD5.hash()", SilverpeasException.ERROR, "root.EX_NO_MESSAGE", e);
    } finally {
        if (fileInputStream != null) {
            Closeables.closeQuietly(fileInputStream);
        }
    }
}

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From source file:org.sonar.plugins.erlang.cover.FixedOtpInputStream.java

@Override
public OtpErlangObject read_compressed() throws OtpErlangDecodeException {
    final int tag = read1skip_version();

    if (tag != OtpExternal.compressedTag) {
        throw new OtpErlangDecodeException(
                "Wrong tag encountered, expected " + OtpExternal.compressedTag + ", got " + tag);
    }//from  w ww.  j a  va2s.c  o m

    final int size = read4BE();
    final byte[] buf = new byte[size];
    final java.util.zip.InflaterInputStream is = new java.util.zip.InflaterInputStream(this, new Inflater(),
            size);
    try {
        final int dsize = is.read(buf, 0, size);
        if (dsize != size) {
            throw new OtpErlangDecodeException("Decompression gave " + dsize + " bytes, not " + size);
        }
        is.close();
    } catch (final IOException e) {
        throw new OtpErlangDecodeException("Cannot read from input stream");
    }

    final OtpInputStream ois = new OtpInputStream(buf, flags);
    OtpErlangObject ret = ois.read_any();
    Closeables.closeQuietly(ois);
    return ret;
}

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From source file:org.elasticsearch.cloud.aws.node.Ec2CustomNodeAttributes.java

@Override
public Map<String, String> buildAttributes() {
    if (!settings.getAsBoolean("cloud.node.auto_attributes", false)) {
        return null;
    }//from   www  .jav a  2 s.  c o  m
    Map<String, String> ec2Attributes = Maps.newHashMap();

    URLConnection urlConnection;
    InputStream in = null;
    try {
        URL url = new URL(AwsEc2Service.EC2_METADATA_URL + "placement/availability-zone");
        logger.debug("obtaining ec2 [placement/availability-zone] from ec2 meta-data url {}", url);
        urlConnection = url.openConnection();
        urlConnection.setConnectTimeout(2000);
        in = urlConnection.getInputStream();
        BufferedReader urlReader = new BufferedReader(new InputStreamReader(in));

        String metadataResult = urlReader.readLine();
        if (metadataResult == null || metadataResult.length() == 0) {
            logger.error("no ec2 metadata returned from {}", url);
            return null;
        }
        ec2Attributes.put("aws_availability_zone", metadataResult);
    } catch (IOException e) {
        logger.debug("failed to get metadata for [placement/availability-zone]: "
                + ExceptionsHelper.detailedMessage(e));
    } finally {
        Closeables.closeQuietly(in);
    }

    return ec2Attributes;
}

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From source file:org.jclouds.tmrk.enterprisecloud.handlers.TerremarkEnterpriseCloudErrorHandler.java

public void handleError(HttpCommand command, HttpResponse response) {
    // it is important to always read fully and close streams
    String message = parseMessage(response);
    Exception exception = message != null ? new HttpResponseException(command, response, message)
            : new HttpResponseException(command, response);
    try {//from   w ww. ja v a  2s.  com
        message = message != null ? message
                : String.format("%s -> %s", command.getCurrentRequest().getRequestLine(),
                        response.getStatusLine());
        switch (response.getStatusCode()) {
        case 401:
        case 403:
            exception = new AuthorizationException(message, exception);
            break;
        case 404:
            if (!command.getCurrentRequest().getMethod().equals("DELETE")) {
                exception = new ResourceNotFoundException(message, exception);
            }
            break;
        case 409:
            exception = new IllegalStateException(message, exception);
        case 500:
            if (message != null && message.indexOf("Unable to determine package for") != -1) {
                exception = new ResourceNotFoundException(message, exception);
            }
        }
    } finally {
        if (response.getPayload() != null)
            Closeables.closeQuietly(response.getPayload().getInput());
        command.setException(exception);
    }
}

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