Java ByteBuffer Put convert(Object lock, CharsetEncoder encoder, ByteBuffer bytes, CharBuffer chars, OutputStream out)

Description

convert

License

Apache License

Declaration

private static void convert(Object lock, CharsetEncoder encoder, ByteBuffer bytes, CharBuffer chars,
            OutputStream out) throws IOException 

Method Source Code

//package com.java2s;
/*//from   ww w.  ja  v  a2s.  com
 *  Licensed to the Apache Software Foundation (ASF) under one or more
 *  contributor license agreements.  See the NOTICE file distributed with
 *  this work for additional information regarding copyright ownership.
 *  The ASF licenses this file to You under the Apache License, Version 2.0
 *  (the "License"); you may not use this file except in compliance with
 *  the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 */

import java.io.IOException;

import java.io.OutputStream;
import java.nio.ByteBuffer;
import java.nio.CharBuffer;

import java.nio.charset.CharsetEncoder;
import java.nio.charset.CoderResult;

public class Main {
    private static void convert(Object lock, CharsetEncoder encoder, ByteBuffer bytes, CharBuffer chars,
            OutputStream out) throws IOException {
        synchronized (lock) {
            checkEncoder(encoder);
            CoderResult result = encoder.encode(chars, bytes, true);
            while (true) {
                if (result.isError()) {
                    throw new IOException(result.toString());
                } else if (result.isOverflow()) {
                    // flush the output buffer
                    flushOutputStreamWriter(out, bytes, encoder, lock);
                    result = encoder.encode(chars, bytes, true);
                    continue;
                }
                break;
            }
        }
    }

    private static void checkEncoder(CharsetEncoder encoder) throws IOException {
        if (encoder == null) {
            throw new IOException("Writer is closed");
        }
    }

    public static void flushOutputStreamWriter(OutputStream out, ByteBuffer bytes, CharsetEncoder encoder,
            Object lock) throws IOException {
        synchronized (lock) {
            checkEncoder(encoder);
            int position;
            if ((position = bytes.position()) > 0) {
                bytes.flip();
                out.write(bytes.array(), 0, position);
                bytes.clear();
            }
            out.flush();
        }
    }
}

Related

1. bufToStream(ByteBuffer b, OutputStream out)
2. byteBufferToInputStream(final ByteBuffer byteBuffer)
3. byteBufferToOutputStream(ByteBuffer in, OutputStream out)
4. checkReadSpace(FileInputStream aStream, ByteBuffer aBuf)
5. computeSize(ByteBuffer[] buffers)
6. deserializeString(ByteBuffer inputBuffer, Charset charset)
7. extractString(ByteArrayOutputStream byteBuffer)
8. flushOutputStreamWriter(OutputStream out, ByteBuffer bytes, CharsetEncoder encoder, Object lock)
9. getZeroTerminatedStringBytesArray( ByteBuffer inputBuffer)