Transfer bytes from one ByteBuffer to another. - Java java.nio

Java examples for java.nio:ByteBuffer

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Description

Transfer bytes from one ByteBuffer to another.

Demo Code

/*/*from   w  w w  . j av  a 2s  . co m*/
 * 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.DataInput;
import java.io.DataOutput;
import java.io.IOException;
import java.io.InputStream;
import java.net.InetAddress;
import java.nio.ByteBuffer;
import java.nio.charset.CharacterCodingException;
import java.nio.charset.Charset;
import java.nio.charset.StandardCharsets;
import java.util.Arrays;

public class Main{
    public static void arrayCopy(ByteBuffer src, int srcPos, byte[] dst,
            int dstPos, int length) {
        FastByteOperations.copy(src, srcPos, dst, dstPos, length);
    }
    /**
     * Transfer bytes from one ByteBuffer to another.
     * This function acts as System.arrayCopy() but for ByteBuffers.
     *
     * @param src the source ByteBuffer
     * @param srcPos starting position in the source ByteBuffer
     * @param dst the destination ByteBuffer
     * @param dstPos starting position in the destination ByteBuffer
     * @param length the number of bytes to copy
     */
    public static void arrayCopy(ByteBuffer src, int srcPos,
            ByteBuffer dst, int dstPos, int length) {
        FastByteOperations.copy(src, srcPos, dst, dstPos, length);
    }
}

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