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org.testifyproject.netty.buffer.PooledHeapByteBuf Maven / Gradle / Ivy
/*
* Copyright 2012 The Netty Project
*
* The Netty Project licenses this file tothe License at:
*
* http://www.apache.org.testifyproject/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 org.testifyproject.testifyproject.netty.buffer;
import org.testifyproject.testifyproject.netty.util.Recycler;
import org.testifyproject.testifyproject.netty.util.internal.PlatformDependent;
import java.org.testifyproject.testifyproject.IOException;
import java.org.testifyproject.testifyproject.InputStream;
import java.org.testifyproject.testifyproject.OutputStream;
import java.nio.ByteBuffer;
import java.nio.channels.ClosedChannelException;
import java.nio.channels.FileChannel;
import java.nio.channels.GatheringByteChannel;
import java.nio.channels.ScatteringByteChannel;
class PooledHeapByteBuf extends PooledByteBuf {
private static final Recycler RECYCLER = new Recycler() {
@Override
protected PooledHeapByteBuf newObject(Handle handle) {
return new PooledHeapByteBuf(handle, 0);
}
};
static PooledHeapByteBuf newInstance(int maxCapacity) {
PooledHeapByteBuf buf = RECYCLER.get();
buf.reuse(maxCapacity);
return buf;
}
PooledHeapByteBuf(Recycler.Handle recyclerHandle, int maxCapacity) {
super(recyclerHandle, maxCapacity);
}
@Override
public final boolean isDirect() {
return false;
}
@Override
protected byte _getByte(int index) {
return HeapByteBufUtil.getByte(memory, idx(index));
}
@Override
protected short _getShort(int index) {
return HeapByteBufUtil.getShort(memory, idx(index));
}
@Override
protected short _getShortLE(int index) {
return HeapByteBufUtil.getShortLE(memory, idx(index));
}
@Override
protected int _getUnsignedMedium(int index) {
return HeapByteBufUtil.getUnsignedMedium(memory, idx(index));
}
@Override
protected int _getUnsignedMediumLE(int index) {
return HeapByteBufUtil.getUnsignedMediumLE(memory, idx(index));
}
@Override
protected int _getInt(int index) {
return HeapByteBufUtil.getInt(memory, idx(index));
}
@Override
protected int _getIntLE(int index) {
return HeapByteBufUtil.getIntLE(memory, idx(index));
}
@Override
protected long _getLong(int index) {
return HeapByteBufUtil.getLong(memory, idx(index));
}
@Override
protected long _getLongLE(int index) {
return HeapByteBufUtil.getLongLE(memory, idx(index));
}
@Override
public final ByteBuf getBytes(int index, ByteBuf dst, int dstIndex, int length) {
checkDstIndex(index, length, dstIndex, dst.capacity());
if (dst.hasMemoryAddress()) {
PlatformDependent.copyMemory(memory, idx(index), dst.memoryAddress() + dstIndex, length);
} else if (dst.hasArray()) {
getBytes(index, dst.array(), dst.arrayOffset() + dstIndex, length);
} else {
dst.setBytes(dstIndex, memory, idx(index), length);
}
return this;
}
@Override
public final ByteBuf getBytes(int index, byte[] dst, int dstIndex, int length) {
checkDstIndex(index, length, dstIndex, dst.length);
System.arraycopy(memory, idx(index), dst, dstIndex, length);
return this;
}
@Override
public final ByteBuf getBytes(int index, ByteBuffer dst) {
checkIndex(index);
dst.put(memory, idx(index), Math.min(capacity() - index, dst.remaining()));
return this;
}
@Override
public final ByteBuf getBytes(int index, OutputStream out, int length) throws IOException {
checkIndex(index, length);
out.write(memory, idx(index), length);
return this;
}
@Override
public final int getBytes(int index, GatheringByteChannel out, int length) throws IOException {
return getBytes(index, out, length, false);
}
private int getBytes(int index, GatheringByteChannel out, int length, boolean internal) throws IOException {
checkIndex(index, length);
index = idx(index);
ByteBuffer tmpBuf;
if (internal) {
tmpBuf = internalNioBuffer();
} else {
tmpBuf = ByteBuffer.wrap(memory);
}
return out.write((ByteBuffer) tmpBuf.clear().position(index).limit(index + length));
}
@Override
public final int getBytes(int index, FileChannel out, long position, int length) throws IOException {
return getBytes(index, out, position, length, false);
}
private int getBytes(int index, FileChannel out, long position, int length, boolean internal) throws IOException {
checkIndex(index, length);
index = idx(index);
ByteBuffer tmpBuf = internal ? internalNioBuffer() : ByteBuffer.wrap(memory);
return out.write((ByteBuffer) tmpBuf.clear().position(index).limit(index + length), position);
}
@Override
public final int readBytes(GatheringByteChannel out, int length) throws IOException {
checkReadableBytes(length);
int readBytes = getBytes(readerIndex, out, length, true);
readerIndex += readBytes;
return readBytes;
}
@Override
public final int readBytes(FileChannel out, long position, int length) throws IOException {
checkReadableBytes(length);
int readBytes = getBytes(readerIndex, out, position, length, true);
readerIndex += readBytes;
return readBytes;
}
@Override
protected void _setByte(int index, int value) {
HeapByteBufUtil.setByte(memory, idx(index), value);
}
@Override
protected void _setShort(int index, int value) {
HeapByteBufUtil.setShort(memory, idx(index), value);
}
@Override
protected void _setShortLE(int index, int value) {
HeapByteBufUtil.setShortLE(memory, idx(index), value);
}
@Override
protected void _setMedium(int index, int value) {
HeapByteBufUtil.setMedium(memory, idx(index), value);
}
@Override
protected void _setMediumLE(int index, int value) {
HeapByteBufUtil.setMediumLE(memory, idx(index), value);
}
@Override
protected void _setInt(int index, int value) {
HeapByteBufUtil.setInt(memory, idx(index), value);
}
@Override
protected void _setIntLE(int index, int value) {
HeapByteBufUtil.setIntLE(memory, idx(index), value);
}
@Override
protected void _setLong(int index, long value) {
HeapByteBufUtil.setLong(memory, idx(index), value);
}
@Override
protected void _setLongLE(int index, long value) {
HeapByteBufUtil.setLongLE(memory, idx(index), value);
}
@Override
public final ByteBuf setBytes(int index, ByteBuf src, int srcIndex, int length) {
checkSrcIndex(index, length, srcIndex, src.capacity());
if (src.hasMemoryAddress()) {
PlatformDependent.copyMemory(src.memoryAddress() + srcIndex, memory, idx(index), length);
} else if (src.hasArray()) {
setBytes(index, src.array(), src.arrayOffset() + srcIndex, length);
} else {
src.getBytes(srcIndex, memory, idx(index), length);
}
return this;
}
@Override
public final ByteBuf setBytes(int index, byte[] src, int srcIndex, int length) {
checkSrcIndex(index, length, srcIndex, src.length);
System.arraycopy(src, srcIndex, memory, idx(index), length);
return this;
}
@Override
public final ByteBuf setBytes(int index, ByteBuffer src) {
int length = src.remaining();
checkIndex(index, length);
src.get(memory, idx(index), length);
return this;
}
@Override
public final int setBytes(int index, InputStream in, int length) throws IOException {
checkIndex(index, length);
return in.read(memory, idx(index), length);
}
@Override
public final int setBytes(int index, ScatteringByteChannel in, int length) throws IOException {
checkIndex(index, length);
index = idx(index);
try {
return in.read((ByteBuffer) internalNioBuffer().clear().position(index).limit(index + length));
} catch (ClosedChannelException ignored) {
return -1;
}
}
@Override
public final int setBytes(int index, FileChannel in, long position, int length) throws IOException {
checkIndex(index, length);
index = idx(index);
try {
return in.read((ByteBuffer) internalNioBuffer().clear().position(index).limit(index + length), position);
} catch (ClosedChannelException ignored) {
return -1;
}
}
@Override
public final ByteBuf copy(int index, int length) {
checkIndex(index, length);
ByteBuf copy = alloc().heapBuffer(length, maxCapacity());
copy.writeBytes(memory, idx(index), length);
return copy;
}
@Override
public final int nioBufferCount() {
return 1;
}
@Override
public final ByteBuffer[] nioBuffers(int index, int length) {
return new ByteBuffer[] { nioBuffer(index, length) };
}
@Override
public final ByteBuffer nioBuffer(int index, int length) {
checkIndex(index, length);
index = idx(index);
ByteBuffer buf = ByteBuffer.wrap(memory, index, length);
return buf.slice();
}
@Override
public final ByteBuffer internalNioBuffer(int index, int length) {
checkIndex(index, length);
index = idx(index);
return (ByteBuffer) internalNioBuffer().clear().position(index).limit(index + length);
}
@Override
public final boolean hasArray() {
return true;
}
@Override
public final byte[] array() {
ensureAccessible();
return memory;
}
@Override
public final int arrayOffset() {
return offset;
}
@Override
public final boolean hasMemoryAddress() {
return false;
}
@Override
public final long memoryAddress() {
throw new UnsupportedOperationException();
}
@Override
protected final ByteBuffer newInternalNioBuffer(byte[] memory) {
return ByteBuffer.wrap(memory);
}
}
