Examples with SeekableByteChannel java.nio.channels.SeekableByteChannel used on opensource projects

Example 1 with SeekableByteChannel

use of java.nio.channels.SeekableByteChannel in project jetty.project by eclipse.

the class FrameCaptureExtension method saveFrame.

private void saveFrame(Frame frame, boolean outgoing) {
    if (outputDir == null || generator == null) {
        return;
    }
    @SuppressWarnings("resource") SeekableByteChannel channel = (outgoing) ? outgoingChannel : incomingChannel;
    if (channel == null) {
        return;
    }
    ByteBuffer buf = getBufferPool().acquire(BUFSIZE, false);
    try {
        WebSocketFrame f = WebSocketFrame.copy(frame);
        f.setMasked(false);
        generator.generateHeaderBytes(f, buf);
        channel.write(buf);
        if (frame.hasPayload()) {
            channel.write(frame.getPayload().slice());
        }
        if (LOG.isDebugEnabled())
            LOG.debug("Saved {} frame #{}", (outgoing) ? "outgoing" : "incoming", (outgoing) ? outgoingCount.incrementAndGet() : incomingCount.incrementAndGet());
    } catch (IOException e) {
        LOG.warn("Unable to save frame: " + frame, e);
    } finally {
        getBufferPool().release(buf);
    }
}

Example 2 with SeekableByteChannel

use of java.nio.channels.SeekableByteChannel in project java-chassis by ServiceComb.

the class FortifyUtils method writeFile.

public static void writeFile(String file, byte[] content) throws IOException {
    Set<OpenOption> options = new HashSet<OpenOption>();
    //options.add(StandardOpenOption.CREATE_NEW);
    //options.add(StandardOpenOption.APPEND);
    //覆写文件
    options.add(StandardOpenOption.CREATE);
    options.add(StandardOpenOption.WRITE);
    SeekableByteChannel sbc = null;
    try {
        FileAttribute<?> fa = getDefaultFileAttributes(file);
        ByteBuffer buffer = ByteBuffer.wrap(content);
        sbc = Files.newByteChannel(new File(file).toPath(), options, fa);
        // write data
        sbc.write(buffer);
    } finally {
        IOUtils.closeQuietly(sbc);
    }
}

Example 3 with SeekableByteChannel

use of java.nio.channels.SeekableByteChannel in project lucene-solr by apache.

the class TestLeakFS method testLeakByteChannel.

/** Test leaks via Files.newByteChannel */
public void testLeakByteChannel() throws IOException {
    Path dir = wrap(createTempDir());
    OutputStream file = Files.newOutputStream(dir.resolve("stillopen"));
    file.write(5);
    file.close();
    SeekableByteChannel leak = Files.newByteChannel(dir.resolve("stillopen"));
    try {
        dir.getFileSystem().close();
        fail("should have gotten exception");
    } catch (Exception e) {
        assertTrue(e.getMessage().contains("file handle leaks"));
    }
    leak.close();
}

Example 4 with SeekableByteChannel

use of java.nio.channels.SeekableByteChannel in project lucene-solr by apache.

the class TestVerboseFS method testByteChannel.

/** Test newByteChannel */
public void testByteChannel() throws IOException {
    InfoStreamListener stream = new InfoStreamListener("newByteChannel");
    Path dir = wrap(createTempDir(), stream);
    SeekableByteChannel channel = Files.newByteChannel(dir.resolve("foobar"), StandardOpenOption.CREATE_NEW, StandardOpenOption.READ, StandardOpenOption.WRITE);
    assertTrue(stream.sawMessage());
    channel.close();
    try {
        Files.newByteChannel(dir.resolve("foobar"), StandardOpenOption.CREATE_NEW, StandardOpenOption.READ, StandardOpenOption.WRITE);
        fail("didn't get expected exception");
    } catch (IOException expected) {
    }
}

Example 5 with SeekableByteChannel

use of java.nio.channels.SeekableByteChannel in project beam by apache.

the class GcsUtilTest method testGCSChannelCloseIdempotent.

@Test
public void testGCSChannelCloseIdempotent() throws IOException {
    SeekableByteChannel channel = new GoogleCloudStorageReadChannel(null, "dummybucket", "dummyobject", null, new ClientRequestHelper<StorageObject>());
    channel.close();
    channel.close();
}