Examples of java.nio.ByteBuffer.compact()

java.nio.ByteBuffer.compact()
Compacts this byte buffer.
The remaining bytes will be moved to the head of the buffer, staring from position zero. Then the position is set to remaining(); the limit is set to capacity; the mark is cleared.
@return This buffer @exception ReadOnlyBufferException If no changes may be made to the contents of this buffer

                return false;
            }
            
            inputBuffer.flip();    // Prepare for reading
            boolean status = clientHandler.handleIncomingData();
            inputBuffer.compact(); // Restore pointers
            
            return status;
        }
        catch (IOException e)
        {

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            catch (IOException e)
            {
                log.error("["+clientHandler.getId()+"] Write failed : "+e.getMessage());
                writeAmount = -1;
            }
            outputBuffer.compact(); // Restore pointers


            return (writeAmount > 0);
        }
        catch (Exception e)
        {

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


            if (decoder.isCompleted()) {
                if (sink != null) sink.close();
                if (!connStrategy.keepAlive(response, context)) {

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


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

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        final byte[] bytes = "hello world".getBytes();


        final ByteBuffer writeonlybuffer = rwChannel.map(FileChannel.MapMode.READ_WRITE, 0, bytes.length);
        writeonlybuffer.put(bytes);
        writeonlybuffer.compact();
    }


    private File writeToFile2(final InputStream archive, final String name) throws IOException {
        File file;
        try {

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


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

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


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

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


            if (decoder.isCompleted()) {
                if (sink != null) sink.close();
                if (!connStrategy.keepAlive(response, context)) {

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


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

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            if (i > 0) {
                bytesRead += i;
            }
            tmp.flip();
            dst.put(tmp);
            tmp.compact();
        }
        
        assertEquals(16, bytesRead);
        assertEquals("0123456789abcdef", convert(dst));
        assertTrue(decoder.isCompleted());

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