/**
* 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.
*/
package io.netty.buffer;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.nio.ByteBuffer;
import java.nio.ByteOrder;
import java.nio.channels.GatheringByteChannel;
import java.nio.channels.ScatteringByteChannel;
/**
* This is basically a complete copy of DuplicatedByteBuf. We copy because we want to override some behaviors and make
* buffer mutable.
*/
abstract class MutableWrappedByteBuf extends AbstractByteBuf {
@Override
public ByteBuffer nioBuffer(int index, int length) {
return unwrap().nioBuffer(index, length);
}
ByteBuf buffer;
public MutableWrappedByteBuf(ByteBuf buffer) {
super(buffer.maxCapacity());
if (buffer instanceof MutableWrappedByteBuf) {
this.buffer = ((MutableWrappedByteBuf) buffer).buffer;
} else {
this.buffer = buffer;
}
setIndex(buffer.readerIndex(), buffer.writerIndex());
}
@Override
public ByteBuf unwrap() {
return buffer;
}
@Override
public ByteBufAllocator alloc() {
return buffer.alloc();
}
@Override
public ByteOrder order() {
return buffer.order();
}
@Override
public boolean isDirect() {
return buffer.isDirect();
}
@Override
public int capacity() {
return buffer.capacity();
}
@Override
public ByteBuf capacity(int newCapacity) {
buffer.capacity(newCapacity);
return this;
}
@Override
public boolean hasArray() {
return buffer.hasArray();
}
@Override
public byte[] array() {
return buffer.array();
}
@Override
public int arrayOffset() {
return buffer.arrayOffset();
}
@Override
public boolean hasMemoryAddress() {
return buffer.hasMemoryAddress();
}
@Override
public long memoryAddress() {
return buffer.memoryAddress();
}
@Override
public byte getByte(int index) {
return _getByte(index);
}
@Override
protected byte _getByte(int index) {
return buffer.getByte(index);
}
@Override
public short getShort(int index) {
return _getShort(index);
}
@Override
protected short _getShort(int index) {
return buffer.getShort(index);
}
@Override
public int getUnsignedMedium(int index) {
return _getUnsignedMedium(index);
}
@Override
protected int _getUnsignedMedium(int index) {
return buffer.getUnsignedMedium(index);
}
@Override
public int getInt(int index) {
return _getInt(index);
}
@Override
protected int _getInt(int index) {
return buffer.getInt(index);
}
@Override
public long getLong(int index) {
return _getLong(index);
}
@Override
protected long _getLong(int index) {
return buffer.getLong(index);
}
@Override
public abstract ByteBuf copy(int index, int length);
@Override
public ByteBuf slice(int index, int length) {
return new SlicedByteBuf(this, index, length);
}
@Override
public ByteBuf getBytes(int index, ByteBuf dst, int dstIndex, int length) {
buffer.getBytes(index, dst, dstIndex, length);
return this;
}
@Override
public ByteBuf getBytes(int index, byte[] dst, int dstIndex, int length) {
buffer.getBytes(index, dst, dstIndex, length);
return this;
}
@Override
public ByteBuf getBytes(int index, ByteBuffer dst) {
buffer.getBytes(index, dst);
return this;
}
@Override
public ByteBuf setByte(int index, int value) {
_setByte(index, value);
return this;
}
@Override
protected void _setByte(int index, int value) {
buffer.setByte(index, value);
}
@Override
public ByteBuf setShort(int index, int value) {
_setShort(index, value);
return this;
}
@Override
protected void _setShort(int index, int value) {
buffer.setShort(index, value);
}
@Override
public ByteBuf setMedium(int index, int value) {
_setMedium(index, value);
return this;
}
@Override
protected void _setMedium(int index, int value) {
buffer.setMedium(index, value);
}
@Override
public ByteBuf setInt(int index, int value) {
_setInt(index, value);
return this;
}
@Override
protected void _setInt(int index, int value) {
buffer.setInt(index, value);
}
@Override
public ByteBuf setLong(int index, long value) {
_setLong(index, value);
return this;
}
@Override
protected void _setLong(int index, long value) {
buffer.setLong(index, value);
}
@Override
public ByteBuf setBytes(int index, byte[] src, int srcIndex, int length) {
buffer.setBytes(index, src, srcIndex, length);
return this;
}
@Override
public ByteBuf setBytes(int index, ByteBuf src, int srcIndex, int length) {
buffer.setBytes(index, src, srcIndex, length);
return this;
}
@Override
public ByteBuf setBytes(int index, ByteBuffer src) {
buffer.setBytes(index, src);
return this;
}
@Override
public ByteBuf getBytes(int index, OutputStream out, int length)
throws IOException {
buffer.getBytes(index, out, length);
return this;
}
@Override
public int getBytes(int index, GatheringByteChannel out, int length)
throws IOException {
return buffer.getBytes(index, out, length);
}
@Override
public int setBytes(int index, InputStream in, int length)
throws IOException {
return buffer.setBytes(index, in, length);
}
@Override
public int setBytes(int index, ScatteringByteChannel in, int length)
throws IOException {
return buffer.setBytes(index, in, length);
}
@Override
public int nioBufferCount() {
return buffer.nioBufferCount();
}
@Override
public ByteBuffer[] nioBuffers(int index, int length) {
return buffer.nioBuffers(index, length);
}
@Override
public ByteBuffer internalNioBuffer(int index, int length) {
return nioBuffer(index, length);
}
@Override
public int forEachByte(int index, int length, ByteBufProcessor processor) {
return buffer.forEachByte(index, length, processor);
}
@Override
public int forEachByteDesc(int index, int length, ByteBufProcessor processor) {
return buffer.forEachByteDesc(index, length, processor);
}
@Override
public final int refCnt() {
return unwrap().refCnt();
}
@Override
public final ByteBuf retain() {
unwrap().retain();
return this;
}
@Override
public final ByteBuf retain(int increment) {
unwrap().retain(increment);
return this;
}
@Override
public boolean release() {
return release(1);
}
@Override
public boolean release(int decrement) {
boolean released = unwrap().release(decrement);
return released;
}
}