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

Introduction

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

Prototype

@Override
public void close() throws IOException

Source Link

Document

Closes all Closeable instances that have been added to this Closer .

Usage

From source file:com.facebook.buck.rules.MergeAndroidResourcesStep.java

public static String generateJavaCodeForPackageAndResources(String packageName, SortedSet<Resource> resources) {
    StringBuilder b = new StringBuilder();
    Closer closer = Closer.create();
    PrintWriter writer = closer.register(new PrintWriter(CharStreams.asWriter(b)));
    try {/*  w  w  w. ja v  a 2s  . c o m*/
        writeJavaCodeForPackageAndResources(writer, packageName, resources);
    } catch (IOException e) {
        // Impossible.
        throw new RuntimeException(e);
    } finally {
        try {
            closer.close();
        } catch (IOException e) {
            Throwables.propagate(e);
        }
    }
    return b.toString();
}

From source file:org.ow2.proactive_grid_cloud_portal.dataspace.util.VFSZipper.java

public static void zip(FileObject root, List<FileObject> files, OutputStream out) throws IOException {
    String basePath = root.getName().getPath();
    Closer closer = Closer.create();
    try {/*from w  w w. jav a  2  s  . c  om*/
        ZipOutputStream zos = new ZipOutputStream(out);
        closer.register(zos);
        for (FileObject fileToCopy : files) {
            ZipEntry zipEntry = zipEntry(basePath, fileToCopy);
            zos.putNextEntry(zipEntry);
            copyFileContents(fileToCopy, zos);
            zos.flush();
            zos.closeEntry();
        }
    } catch (IOException e) {
        throw closer.rethrow(e);
    } finally {
        closer.close();
    }
}

From source file:com.clank.launcher.LauncherUtils.java

public static Properties loadProperties(Class<?> clazz, String name, String extraProperty) throws IOException {
    Closer closer = Closer.create();
    Properties prop = new Properties();
    try {/*  w  ww  .  ja  v  a  2  s.  c o m*/
        InputStream in = closer.register(clazz.getResourceAsStream(name));
        prop.load(in);
        String extraPath = System.getProperty(extraProperty);
        if (extraPath != null) {
            log.info("Loading extra properties for " + clazz.getCanonicalName() + ":" + name + " from "
                    + extraPath + "...");
            in = closer.register(new BufferedInputStream(closer.register(new FileInputStream(extraPath))));
            prop.load(in);
        }
    } finally {
        closer.close();
    }

    return prop;
}

From source file:org.stem.db.FatFileAllocator.java

public static void allocateFile(String filePath, long sizeInMB, boolean mark) throws IOException {
    long started = System.currentTimeMillis();

    Closer closer = Closer.create();
    try {//from   w  w  w. j  av a2 s  .  co m
        File file = new File(filePath);
        if (file.exists())
            throw new IOException(String.format("File already exists: %s", filePath));

        RandomAccessFile rw = closer.register(new RandomAccessFile(file, "rw"));
        rw.setLength(sizeInMB * 1024 * 1024);
        if (mark) {
            rw.seek(0);
            rw.writeByte(FatFile.MARKER_BLANK);
            rw.seek(rw.length() - 1);
            rw.writeByte(FatFile.MARKER_BLANK);
        }
    } catch (Throwable e) {
        throw closer.rethrow(e);
    } finally {
        closer.close();
        logger.debug("{} was allocated in {} ms", filePath, System.currentTimeMillis() - started);
    }
}

From source file:utils.PasswordManager.java

public static Optional<String> getMasterPassword(String masterPwdLoc) {
    Closer closer = Closer.create();
    try {/*from w  w w  .j  a  v  a 2 s .  c om*/
        File file = new File(masterPwdLoc);
        if (!file.exists() || file.isDirectory()) {
            LOG.warn(masterPwdLoc + " does not exist or is not a file. Cannot decrypt any encrypted password.");
            return Optional.absent();
        }
        InputStream in = new FileInputStream(file);
        return Optional.of(new LineReader(new InputStreamReader(in, Charsets.UTF_8)).readLine());
    } catch (IOException e) {
        throw new RuntimeException("Failed to obtain master password from " + masterPwdLoc, e);
    } finally {
        try {
            closer.close();
        } catch (IOException e) {
            throw new RuntimeException("Failed to close inputstream for " + masterPwdLoc, e);
        }
    }
}

From source file:tachyon.util.CommonUtils.java

/**
 * Blocking operation that copies the processes stdout/stderr to this JVM's stdout/stderr.
 *///  w w  w. j  a  v a 2s . co  m
private static void redirectIO(final Process process) throws IOException {
    // Because chmod doesn't have a lot of error or output messages, its safe to process the output
    // after the process is done. As of java 7, you can have the process redirect to System.out
    // and System.err without forking a process.
    // TODO when java 6 support is dropped, switch to
    // http://docs.oracle.com/javase/7/docs/api/java/lang/ProcessBuilder.html#inheritIO()
    Closer closer = Closer.create();
    try {
        ByteStreams.copy(closer.register(process.getInputStream()), System.out);
        ByteStreams.copy(closer.register(process.getErrorStream()), System.err);
    } catch (Throwable e) {
        throw closer.rethrow(e);
    } finally {
        closer.close();
    }
}

From source file:com.google.auto.service.processor.ServicesFiles.java

/**
 * Reads the set of service classes from a service file.
 *
 * @param input not {@code null}. Closed after use.
 * @return a not {@code null Set} of service class names.
 * @throws IOException//w  ww .  ja  va2s  .  c o  m
 */
static Set<String> readServiceFile(InputStream input) throws IOException {
    HashSet<String> serviceClasses = new HashSet<String>();
    Closer closer = Closer.create();
    try {
        // TODO(gak): use CharStreams
        BufferedReader r = closer.register(new BufferedReader(new InputStreamReader(input, UTF_8)));
        String line;
        while ((line = r.readLine()) != null) {
            int commentStart = line.indexOf('#');
            if (commentStart >= 0) {
                line = line.substring(0, commentStart);
            }
            line = line.trim();
            if (!line.isEmpty()) {
                serviceClasses.add(line);
            }
        }
        return serviceClasses;
    } catch (Throwable t) {
        throw closer.rethrow(t);
    } finally {
        closer.close();
    }
}

From source file:org.jmattr.meta.impl.ServicesFiles.java

/**
 * Reads the set of service classes from a service file.
 *
 * @param input not {@code null}. Closed after use.
 * @return a not {@code null Set} of service class names.
 * @throws IOException/*www .j a v  a  2 s  .  c  o  m*/
 */
static Set<String> readServiceFile(InputStream input) throws IOException {
    HashSet<String> serviceClasses = new HashSet<String>();
    Closer closer = Closer.create();
    try {
        // TODO(gak): use CharStreams
        BufferedReader r = closer.register(new BufferedReader(new InputStreamReader(input, Charsets.UTF_8)));
        String line;
        while ((line = r.readLine()) != null) {
            int commentStart = line.indexOf('#');
            if (commentStart >= 0) {
                line = line.substring(0, commentStart);
            }
            line = line.trim();
            if (!line.isEmpty()) {
                serviceClasses.add(line);
            }
        }
        return serviceClasses;
    } catch (Throwable t) {
        throw closer.rethrow(t);
    } finally {
        closer.close();
    }
}

From source file:com.github.sdorra.buildfrontend.AbstractNodeMojo.java

/**
 * Method description/*  w  w  w. jav a 2 s  .  c  o m*/
 *
 *
 * @param urlString
 * @param target
 *
 * @throws IOException
 */
private static void download(String urlString, File target) throws IOException {
    URL url = new URL(urlString);
    URLConnection connection = url.openConnection();
    Closer closer = Closer.create();

    try {
        InputStream input = closer.register(connection.getInputStream());
        OutputStream output = closer.register(new FileOutputStream(target));

        ByteStreams.copy(input, output);
    } catch (IOException ex) {
        throw closer.rethrow(ex);
    } finally {
        closer.close();
    }
}

From source file:net.usikkert.kouchat.android.util.FileUtils.java

private static void copyFileToDevice(final File fileToStore, final Instrumentation instrumentation) {
    final Closer closer = Closer.create();
    final AssetManager assets = instrumentation.getContext().getResources().getAssets();

    try {//ww w . ja  v a  2 s  .c o  m
        final InputStream inputStream = closer.register(assets.open(fileToStore.getName()));
        final FileOutputStream outputStream = closer.register(new FileOutputStream(fileToStore));

        ByteStreams.copy(inputStream, outputStream);
        outputStream.flush();
        assertTrue("Should exist: " + fileToStore, fileToStore.exists());
    }

    catch (IOException e) {
        throw new RuntimeException(e);
    }

    finally {
        try {
            closer.close();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
}