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:org.glowroot.common.util.Version.java

private static @Nullable Manifest getManifest(@Nullable URL url) throws IOException {
    if (url == null) {
        return null;
    }/* w w w. ja  v  a 2s  .  c o  m*/
    // Closer is used to simulate Java 7 try-with-resources
    Closer closer = Closer.create();
    try {
        InputStream manifestIn = closer.register(url.openStream());
        return new Manifest(manifestIn);
    } catch (Throwable t) {
        throw closer.rethrow(t);
    } finally {
        closer.close();
    }
}

From source file:com.skcraft.launcher.persistence.Persistence.java

/**
 * Save an object to file./*from   w  w w . j av a 2s .c  o m*/
 *
 * @param object the object
 * @throws java.io.IOException on save error
 */
public static void commit(@NonNull Object object) throws IOException {
    ByteSink sink;
    synchronized (bound) {
        sink = bound.get(object);
        if (sink == null) {
            throw new IOException("Cannot persist unbound object: " + object);
        }
    }

    Closer closer = Closer.create();
    try {
        OutputStream os = closer.register(sink.openBufferedStream());
        mapper.writeValue(os, object);
    } finally {
        closer.close();
    }
}

From source file:org.impressivecode.depress.mr.astcompare.utils.Utils.java

private static void saveFile(InputStream is, OutputStream os) throws IOException {
    Closer closer = Closer.create();
    try {/*from w w  w  .  java 2s  .  co  m*/
        InputStream in = closer.register(is);
        OutputStream out = closer.register(os);
        ByteStreams.copy(in, out);
    } catch (Throwable e) {
        throw closer.rethrow(e);
    } finally {
        closer.close();
    }
}

From source file:alluxio.util.CommonUtils.java

/**
 * Closes a closer and ignores the IOException if it throws one.
 *
 * @param closer the closer//from w w  w  .  j a v  a 2s.  com
 */
public static void closeQuietly(Closer closer) {
    try {
        closer.close();
    } catch (IOException e) {
        // Ignore.
    }
}

From source file:com.github.fge.jackson.JsonLoader.java

/**
 * Read a {@link JsonNode} from a resource path.
 *
 * <p>This method first tries and loads the resource using {@link
 * Class#getResource(String)}; if not found, is tries and uses the context
 * classloader and if this is not found, this class's classloader.</p>
 *
 * <p>This method throws an {@link IOException} if the resource does not
 * exist.</p>//from   w w w .ja  v a2 s . com
 *
 * @param resource the path to the resource (<strong>must</strong> begin
 * with a {@code /})
 * @return the JSON document at the resource
 * @throws IllegalArgumentException resource path does not begin with a
 * {@code /}
 * @throws IOException there was a problem loading the resource, or the JSON
 * document is invalid
 */
public static JsonNode fromResource(@Nonnull final String resource) throws IOException {
    Preconditions.checkNotNull(resource);
    Preconditions.checkArgument(resource.startsWith("/"), "resource path does not start with a '/'");
    URL url;
    url = JsonLoader.class.getResource(resource);
    if (url == null) {
        final ClassLoader classLoader = Objects.firstNonNull(Thread.currentThread().getContextClassLoader(),
                JsonLoader.class.getClassLoader());
        final String s = INITIAL_SLASH.matcher(resource).replaceFirst("");
        url = classLoader.getResource(s);
    }
    if (url == null)
        throw new IOException("resource " + resource + " not found");

    final Closer closer = Closer.create();
    final JsonNode ret;
    final InputStream in;

    try {
        in = closer.register(url.openStream());
        ret = READER.fromInputStream(in);
    } finally {
        closer.close();
    }

    return ret;
}

From source file:com.github.fge.jackson.JsonLoader.java

/**
 * Read a {@link JsonNode} from a file on the local filesystem.
 *
 * @param path the path (relative or absolute) to the file
 * @return the document in the file/*www  .  j  ava 2  s  . c  om*/
 * @throws IOException if this is not a file, if it cannot be read, etc.
 */
public static JsonNode fromPath(final String path) throws IOException {
    final Closer closer = Closer.create();
    final JsonNode ret;
    final FileInputStream in;

    try {
        in = closer.register(new FileInputStream(path));
        ret = READER.fromInputStream(in);
    } finally {
        closer.close();
    }

    return ret;
}

From source file:com.github.fge.jackson.JsonLoader.java

/**
 * Same as {@link #fromPath(String)}, but this time the user supplies the
 * {@link File} object instead/*from   w w  w .  j ava  2 s . c  om*/
 *
 * @param file the File object
 * @return The document
 * @throws IOException in many cases!
 */
public static JsonNode fromFile(final File file) throws IOException {
    final Closer closer = Closer.create();
    final JsonNode ret;
    final FileInputStream in;

    try {
        in = closer.register(new FileInputStream(file));
        ret = READER.fromInputStream(in);
    } finally {
        closer.close();
    }

    return ret;
}

From source file:org.glowroot.agent.live.JvmTool.java

private static <T> T processAndClose(InputStream in, InputStreamProcessor<T> processor) throws IOException {
    Closer closer = Closer.create();
    try {//from   www.  j  av a 2 s .com
        closer.register(in);
        return processor.process(in);
    } catch (Throwable t) {
        throw closer.rethrow(t);
    } finally {
        closer.close();
    }
}

From source file:com.sk89q.worldguard.six2five.util.SwingHelper.java

public static BufferedImage readIconImage(Class<?> clazz, String path) {
    Closer closer = Closer.create();
    try {/*w ww.  jav a  2 s. c o  m*/
        try {
            InputStream in = closer.register(clazz.getResourceAsStream(path));
            if (in != null) {
                return ImageIO.read(in);
            }
        } finally {
            closer.close();
        }
    } catch (IOException ignored) {
    }

    return null;
}

From source file:org.apache.jackrabbit.oak.upgrade.cli.OakUpgrade.java

public static void migrate(MigrationCliArguments argumentParser) throws IOException {
    MigrationOptions options = argumentParser.getOptions();
    StoreArguments stores = argumentParser.getStoreArguments();
    Closer closer = Closer.create();
    CliUtils.handleSigInt(closer);/*w  ww .  ja  v a  2  s . c  om*/
    MigrationFactory factory = new MigrationFactory(options, stores, closer);
    try {
        if (stores.getSrcStore().isJcr2()) {
            upgrade(factory);
        } else {
            sidegrade(factory);
        }
    } catch (Throwable t) {
        throw closer.rethrow(t);
    } finally {
        closer.close();
    }
}