Example usage for java.nio ByteBuffer compact

Introduction

In this page you can find the example usage for java.nio ByteBuffer compact.

Prototype

public abstract ByteBuffer compact();

Source Link

Document

Compacts this byte buffer.

Usage

From source file:org.apache.axis2.transport.nhttp.ServerHandler.java

/**
 * Process ready input by writing it into the Pipe
 * @param conn the connection being processed
 * @param decoder the content decoder in use
 */// www  . j  a  va2  s  .  co  m
public void inputReady(final NHttpServerConnection conn, final ContentDecoder decoder) {

    HttpContext context = conn.getContext();
    Pipe.SinkChannel sink = (Pipe.SinkChannel) context.getAttribute(REQUEST_SINK_CHANNEL);
    ByteBuffer inbuf = (ByteBuffer) context.getAttribute(REQUEST_BUFFER);

    try {
        while (decoder.read(inbuf) > 0) {
            inbuf.flip();
            sink.write(inbuf);
            inbuf.compact();
        }

        if (decoder.isCompleted()) {
            sink.close();
        }

    } catch (IOException e) {
        handleException("I/O Error : " + e.getMessage(), e, conn);
    }
}

---

From source file:com.doplgangr.secrecy.FileSystem.File.java

public java.io.File readFile(CryptStateListener listener) {
    decrypting = true;/* www  .j  av a2 s.c  o  m*/
    InputStream is = null;
    OutputStream out = null;
    java.io.File outputFile = null;
    try {
        outputFile = java.io.File.createTempFile("tmp" + name, "." + FileType, storage.getTempFolder());
        outputFile.mkdirs();
        outputFile.createNewFile();
        AES_Encryptor enc = new AES_Encryptor(key);
        is = new CipherInputStream(new FileInputStream(file), enc.decryptstream());
        listener.setMax((int) file.length());
        ReadableByteChannel inChannel = Channels.newChannel(is);
        FileChannel outChannel = new FileOutputStream(outputFile).getChannel();
        ByteBuffer byteBuffer = ByteBuffer.allocate(Config.bufferSize);
        while (inChannel.read(byteBuffer) >= 0 || byteBuffer.position() > 0) {
            byteBuffer.flip();
            outChannel.write(byteBuffer);
            byteBuffer.compact();
            listener.updateProgress((int) outChannel.size());
        }
        inChannel.close();
        outChannel.close();
        Util.log(outputFile.getName(), outputFile.length());
        return outputFile;
    } catch (FileNotFoundException e) {
        listener.onFailed(2);
        Util.log("Encrypted File is missing", e.getMessage());
    } catch (IOException e) {
        Util.log("IO Exception while decrypting", e.getMessage());
        if (e.getMessage().contains("pad block corrupted"))
            listener.onFailed(1);
        else
            e.printStackTrace();
    } catch (Exception e) {
        e.printStackTrace();
    } finally {
        listener.Finished();
        decrypting = false;
        try {
            if (is != null) {
                is.close();
            }
            if (out != null) {
                out.close();
            }
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
    // An error occured. Too Bad
    if (outputFile != null)
        storage.purgeFile(outputFile);
    return null;
}

---

From source file:org.apache.axis2.transport.nhttp.ClientHandler.java

/**
 * Process ready input (i.e. response from remote server)
 * @param conn connection being processed
 * @param decoder the content decoder in use
 *//*  w ww . ja  va 2s  . c o  m*/
public void inputReady(final NHttpClientConnection conn, final ContentDecoder decoder) {
    HttpContext context = conn.getContext();
    HttpResponse response = conn.getHttpResponse();
    Pipe.SinkChannel sink = (Pipe.SinkChannel) context.getAttribute(RESPONSE_SINK_CHANNEL);
    ByteBuffer inbuf = (ByteBuffer) context.getAttribute(REQUEST_BUFFER);

    try {
        while (decoder.read(inbuf) > 0) {
            inbuf.flip();
            sink.write(inbuf);
            inbuf.compact();
        }

        if (decoder.isCompleted()) {
            sink.close();
            if (!connStrategy.keepAlive(response, context)) {
                conn.close();
            } else {
                ConnectionPool.release(conn);
            }
        }

    } catch (IOException e) {
        handleException("I/O Error : " + e.getMessage(), e, conn);
    }
}

---

From source file:org.apache.axis2.transport.nhttp.ServerHandler.java

/**
 * Process ready output by writing into the channel
 * @param conn the connection being processed
 * @param encoder the content encoder in use
 *//*from   w  w w .j a  va 2 s.  co  m*/
public void outputReady(final NHttpServerConnection conn, final ContentEncoder encoder) {

    HttpContext context = conn.getContext();
    HttpResponse response = conn.getHttpResponse();
    Pipe.SourceChannel source = (Pipe.SourceChannel) context.getAttribute(RESPONSE_SOURCE_CHANNEL);
    ByteBuffer outbuf = (ByteBuffer) context.getAttribute(RESPONSE_BUFFER);

    try {
        int bytesRead = source.read(outbuf);
        if (bytesRead == -1) {
            encoder.complete();
        } else {
            outbuf.flip();
            encoder.write(outbuf);
            outbuf.compact();
        }

        if (encoder.isCompleted()) {
            source.close();
            if (!connStrategy.keepAlive(response, context)) {
                conn.close();
            }
        }

    } catch (IOException e) {
        handleException("I/O Error : " + e.getMessage(), e, conn);
    }
}

---

From source file:org.alfresco.cacheserver.dropwizard.resources.CacheServerResource.java

private void fastChannelCopy(final ReadableByteChannel src, final WritableByteChannel dest) throws IOException {
    final ByteBuffer buffer = ByteBuffer.allocateDirect(16 * 1024);
    while (src.read(buffer) != -1) {
        // prepare the buffer to be drained
        buffer.flip();//from   w  w w .j  a va2 s .c om
        // write to the channel, may block
        dest.write(buffer);
        // If partial transfer, shift remainder down
        // If buffer is empty, same as doing clear()
        buffer.compact();
    }
    // EOF will leave buffer in fill state
    buffer.flip();
    // make sure the buffer is fully drained.
    while (buffer.hasRemaining()) {
        dest.write(buffer);
    }
}

---

From source file:org.apache.axis2.transport.nhttp.ClientHandler.java

/**
 * Process ready output (i.e. write request to remote server)
 * @param conn the connection being processed
 * @param encoder the encoder in use/*from   w w w  .j  a  va2s.  c  o  m*/
 */
public void outputReady(final NHttpClientConnection conn, final ContentEncoder encoder) {
    HttpContext context = conn.getContext();
    HttpResponse response = conn.getHttpResponse();

    Pipe.SourceChannel source = (Pipe.SourceChannel) context.getAttribute(REQUEST_SOURCE_CHANNEL);
    ByteBuffer outbuf = (ByteBuffer) context.getAttribute(RESPONSE_BUFFER);

    try {
        int bytesRead = source.read(outbuf);
        if (bytesRead == -1) {
            encoder.complete();
        } else {
            outbuf.flip();
            encoder.write(outbuf);
            outbuf.compact();
        }

        if (encoder.isCompleted()) {
            source.close();
        }

    } catch (IOException e) {
        handleException("I/O Error : " + e.getMessage(), e, conn);
    }
}

---

From source file:com.github.jinahya.verbose.codec.BinaryCodecTest.java

protected final void encodeDecode(final ReadableByteChannel expectedChannel) throws IOException {

    if (expectedChannel == null) {
        throw new NullPointerException("null expectedChannel");
    }/*from ww w . j a  va2 s. c  o m*/

    final Path encodedPath = Files.createTempFile("test", null);
    getRuntime().addShutdownHook(new Thread(() -> {
        try {
            Files.delete(encodedPath);
        } catch (final IOException ioe) {
            ioe.printStackTrace(System.err);
        }
    }));
    final WritableByteChannel encodedChannel = FileChannel.open(encodedPath, StandardOpenOption.WRITE);

    final ByteBuffer decodedBuffer = ByteBuffer.allocate(128);
    final ByteBuffer encodedBuffer = ByteBuffer.allocate(decodedBuffer.capacity() << 1);

    while (expectedChannel.read(decodedBuffer) != -1) {
        decodedBuffer.flip(); // limit -> position; position -> zero
        encoder.encode(decodedBuffer, encodedBuffer);
        encodedBuffer.flip();
        encodedChannel.write(encodedBuffer);
        encodedBuffer.compact(); // position -> n  + 1; limit -> capacity
        decodedBuffer.compact();
    }

    decodedBuffer.flip();
    while (decodedBuffer.hasRemaining()) {
        encoder.encode(decodedBuffer, encodedBuffer);
        encodedBuffer.flip();
        encodedChannel.write(encodedBuffer);
        encodedBuffer.compact();
    }

    encodedBuffer.flip();
    while (encodedBuffer.hasRemaining()) {
        encodedChannel.write(encodedBuffer);
    }
}

---

From source file:com.bennavetta.appsite.file.ResourceService.java

public Resource create(String path, MediaType mime, ReadableByteChannel src) throws IOException {
    String normalized = PathUtils.normalize(path);
    log.debug("Creating resource {}", normalized);

    AppEngineFile file = fs.createNewBlobFile(mime.toString(), normalized);
    FileWriteChannel channel = fs.openWriteChannel(file, true);

    MessageDigest digest = null;//from  ww  w.jav  a  2s .  c o  m
    try {
        digest = MessageDigest.getInstance("MD5");
    } catch (NoSuchAlgorithmException e) {
        throw new RuntimeException("MD5 not available", e);
    }
    ByteBuffer buf = ByteBuffer.allocateDirect(bufferSize.get());
    while (src.read(buf) != -1 || buf.position() != 0) {
        buf.flip();
        int read = channel.write(buf);
        if (read != 0) {
            int origPos = buf.position();
            int origLimit = buf.limit();
            buf.position(origPos - read);
            buf.limit(origPos);
            digest.update(buf);
            buf.limit(origLimit);
            buf.position(origPos);
        }

        buf.compact();
    }

    channel.closeFinally();
    Resource resource = new Resource(normalized, fs.getBlobKey(file).getKeyString(), digest.digest(), mime);
    resource.save();
    return resource;
}

---

• «
• 1
• 2
• 3
• 4
• 5
• 6
• 7
• »