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io.netty.buffer.UnpooledUnsafeHeapByteBuf Maven / Gradle / Ivy
/*
* Copyright 2015 The Netty Project
*
* The Netty Project 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 io.netty.util.internal.PlatformDependent;
class UnpooledUnsafeHeapByteBuf extends UnpooledHeapByteBuf {
/**
* Creates a new heap buffer with a newly allocated byte array.
*
* @param initialCapacity the initial capacity of the underlying byte array
* @param maxCapacity the max capacity of the underlying byte array
*/
UnpooledUnsafeHeapByteBuf(ByteBufAllocator alloc, int initialCapacity, int maxCapacity) {
super(alloc, initialCapacity, maxCapacity);
}
@Override
protected byte[] allocateArray(int initialCapacity) {
return PlatformDependent.allocateUninitializedArray(initialCapacity);
}
@Override
public byte getByte(int index) {
checkIndex(index);
return _getByte(index);
}
@Override
protected byte _getByte(int index) {
return UnsafeByteBufUtil.getByte(array, index);
}
@Override
public short getShort(int index) {
checkIndex(index, 2);
return _getShort(index);
}
@Override
protected short _getShort(int index) {
return UnsafeByteBufUtil.getShort(array, index);
}
@Override
public short getShortLE(int index) {
checkIndex(index, 2);
return _getShortLE(index);
}
@Override
protected short _getShortLE(int index) {
return UnsafeByteBufUtil.getShortLE(array, index);
}
@Override
public int getUnsignedMedium(int index) {
checkIndex(index, 3);
return _getUnsignedMedium(index);
}
@Override
protected int _getUnsignedMedium(int index) {
return UnsafeByteBufUtil.getUnsignedMedium(array, index);
}
@Override
public int getUnsignedMediumLE(int index) {
checkIndex(index, 3);
return _getUnsignedMediumLE(index);
}
@Override
protected int _getUnsignedMediumLE(int index) {
return UnsafeByteBufUtil.getUnsignedMediumLE(array, index);
}
@Override
public int getInt(int index) {
checkIndex(index, 4);
return _getInt(index);
}
@Override
protected int _getInt(int index) {
return UnsafeByteBufUtil.getInt(array, index);
}
@Override
public int getIntLE(int index) {
checkIndex(index, 4);
return _getIntLE(index);
}
@Override
protected int _getIntLE(int index) {
return UnsafeByteBufUtil.getIntLE(array, index);
}
@Override
public long getLong(int index) {
checkIndex(index, 8);
return _getLong(index);
}
@Override
protected long _getLong(int index) {
return UnsafeByteBufUtil.getLong(array, index);
}
@Override
public long getLongLE(int index) {
checkIndex(index, 8);
return _getLongLE(index);
}
@Override
protected long _getLongLE(int index) {
return UnsafeByteBufUtil.getLongLE(array, index);
}
@Override
public ByteBuf setByte(int index, int value) {
checkIndex(index);
_setByte(index, value);
return this;
}
@Override
protected void _setByte(int index, int value) {
UnsafeByteBufUtil.setByte(array, index, value);
}
@Override
public ByteBuf setShort(int index, int value) {
checkIndex(index, 2);
_setShort(index, value);
return this;
}
@Override
protected void _setShort(int index, int value) {
UnsafeByteBufUtil.setShort(array, index, value);
}
@Override
public ByteBuf setShortLE(int index, int value) {
checkIndex(index, 2);
_setShortLE(index, value);
return this;
}
@Override
protected void _setShortLE(int index, int value) {
UnsafeByteBufUtil.setShortLE(array, index, value);
}
@Override
public ByteBuf setMedium(int index, int value) {
checkIndex(index, 3);
_setMedium(index, value);
return this;
}
@Override
protected void _setMedium(int index, int value) {
UnsafeByteBufUtil.setMedium(array, index, value);
}
@Override
public ByteBuf setMediumLE(int index, int value) {
checkIndex(index, 3);
_setMediumLE(index, value);
return this;
}
@Override
protected void _setMediumLE(int index, int value) {
UnsafeByteBufUtil.setMediumLE(array, index, value);
}
@Override
public ByteBuf setInt(int index, int value) {
checkIndex(index, 4);
_setInt(index, value);
return this;
}
@Override
protected void _setInt(int index, int value) {
UnsafeByteBufUtil.setInt(array, index, value);
}
@Override
public ByteBuf setIntLE(int index, int value) {
checkIndex(index, 4);
_setIntLE(index, value);
return this;
}
@Override
protected void _setIntLE(int index, int value) {
UnsafeByteBufUtil.setIntLE(array, index, value);
}
@Override
public ByteBuf setLong(int index, long value) {
checkIndex(index, 8);
_setLong(index, value);
return this;
}
@Override
protected void _setLong(int index, long value) {
UnsafeByteBufUtil.setLong(array, index, value);
}
@Override
public ByteBuf setLongLE(int index, long value) {
checkIndex(index, 8);
_setLongLE(index, value);
return this;
}
@Override
protected void _setLongLE(int index, long value) {
UnsafeByteBufUtil.setLongLE(array, index, value);
}
@Override
public ByteBuf setZero(int index, int length) {
if (PlatformDependent.javaVersion() >= 7) {
// Only do on java7+ as the needed Unsafe call was only added there.
checkIndex(index, length);
UnsafeByteBufUtil.setZero(array, index, length);
return this;
}
return super.setZero(index, length);
}
@Override
public ByteBuf writeZero(int length) {
if (PlatformDependent.javaVersion() >= 7) {
// Only do on java7+ as the needed Unsafe call was only added there.
ensureWritable(length);
int wIndex = writerIndex;
UnsafeByteBufUtil.setZero(array, wIndex, length);
writerIndex = wIndex + length;
return this;
}
return super.writeZero(length);
}
@Override
@Deprecated
protected SwappedByteBuf newSwappedByteBuf() {
if (PlatformDependent.isUnaligned()) {
// Only use if unaligned access is supported otherwise there is no gain.
return new UnsafeHeapSwappedByteBuf(this);
}
return super.newSwappedByteBuf();
}
}
