io.netty.buffer.SwappedByteBuf Maven / Gradle / Ivy
/*
* Copyright 2012 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:
*
* https://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.ByteProcessor;
import io.netty.util.internal.ObjectUtil;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.nio.ByteBuffer;
import java.nio.ByteOrder;
import java.nio.channels.FileChannel;
import java.nio.channels.GatheringByteChannel;
import java.nio.channels.ScatteringByteChannel;
import java.nio.charset.Charset;
/**
* Wrapper which swap the {@link ByteOrder} of a {@link ByteBuf}.
*
* @deprecated use the Little Endian accessors, e.g. {@code getShortLE}, {@code getIntLE}
* instead.
*/
@Deprecated
public class SwappedByteBuf extends ByteBuf {
private final ByteBuf buf;
private final ByteOrder order;
public SwappedByteBuf(ByteBuf buf) {
this.buf = ObjectUtil.checkNotNull(buf, "buf");
if (buf.order() == ByteOrder.BIG_ENDIAN) {
order = ByteOrder.LITTLE_ENDIAN;
} else {
order = ByteOrder.BIG_ENDIAN;
}
}
@Override
public ByteOrder order() {
return order;
}
@Override
public ByteBuf order(ByteOrder endianness) {
if (ObjectUtil.checkNotNull(endianness, "endianness") == order) {
return this;
}
return buf;
}
@Override
public ByteBuf unwrap() {
return buf;
}
@Override
public ByteBufAllocator alloc() {
return buf.alloc();
}
@Override
public int capacity() {
return buf.capacity();
}
@Override
public ByteBuf capacity(int newCapacity) {
buf.capacity(newCapacity);
return this;
}
@Override
public int maxCapacity() {
return buf.maxCapacity();
}
@Override
public boolean isReadOnly() {
return buf.isReadOnly();
}
@Override
public ByteBuf asReadOnly() {
return Unpooled.unmodifiableBuffer(this);
}
@Override
public boolean isDirect() {
return buf.isDirect();
}
@Override
public int readerIndex() {
return buf.readerIndex();
}
@Override
public ByteBuf readerIndex(int readerIndex) {
buf.readerIndex(readerIndex);
return this;
}
@Override
public int writerIndex() {
return buf.writerIndex();
}
@Override
public ByteBuf writerIndex(int writerIndex) {
buf.writerIndex(writerIndex);
return this;
}
@Override
public ByteBuf setIndex(int readerIndex, int writerIndex) {
buf.setIndex(readerIndex, writerIndex);
return this;
}
@Override
public int readableBytes() {
return buf.readableBytes();
}
@Override
public int writableBytes() {
return buf.writableBytes();
}
@Override
public int maxWritableBytes() {
return buf.maxWritableBytes();
}
@Override
public int maxFastWritableBytes() {
return buf.maxFastWritableBytes();
}
@Override
public boolean isReadable() {
return buf.isReadable();
}
@Override
public boolean isReadable(int size) {
return buf.isReadable(size);
}
@Override
public boolean isWritable() {
return buf.isWritable();
}
@Override
public boolean isWritable(int size) {
return buf.isWritable(size);
}
@Override
public ByteBuf clear() {
buf.clear();
return this;
}
@Override
public ByteBuf markReaderIndex() {
buf.markReaderIndex();
return this;
}
@Override
public ByteBuf resetReaderIndex() {
buf.resetReaderIndex();
return this;
}
@Override
public ByteBuf markWriterIndex() {
buf.markWriterIndex();
return this;
}
@Override
public ByteBuf resetWriterIndex() {
buf.resetWriterIndex();
return this;
}
@Override
public ByteBuf discardReadBytes() {
buf.discardReadBytes();
return this;
}
@Override
public ByteBuf discardSomeReadBytes() {
buf.discardSomeReadBytes();
return this;
}
@Override
public ByteBuf ensureWritable(int writableBytes) {
buf.ensureWritable(writableBytes);
return this;
}
@Override
public int ensureWritable(int minWritableBytes, boolean force) {
return buf.ensureWritable(minWritableBytes, force);
}
@Override
public boolean getBoolean(int index) {
return buf.getBoolean(index);
}
@Override
public byte getByte(int index) {
return buf.getByte(index);
}
@Override
public short getUnsignedByte(int index) {
return buf.getUnsignedByte(index);
}
@Override
public short getShort(int index) {
return ByteBufUtil.swapShort(buf.getShort(index));
}
@Override
public short getShortLE(int index) {
return buf.getShortLE(index);
}
@Override
public int getUnsignedShort(int index) {
return getShort(index) & 0xFFFF;
}
@Override
public int getUnsignedShortLE(int index) {
return getShortLE(index) & 0xFFFF;
}
@Override
public int getMedium(int index) {
return ByteBufUtil.swapMedium(buf.getMedium(index));
}
@Override
public int getMediumLE(int index) {
return buf.getMediumLE(index);
}
@Override
public int getUnsignedMedium(int index) {
return getMedium(index) & 0xFFFFFF;
}
@Override
public int getUnsignedMediumLE(int index) {
return getMediumLE(index) & 0xFFFFFF;
}
@Override
public int getInt(int index) {
return ByteBufUtil.swapInt(buf.getInt(index));
}
@Override
public int getIntLE(int index) {
return buf.getIntLE(index);
}
@Override
public long getUnsignedInt(int index) {
return getInt(index) & 0xFFFFFFFFL;
}
@Override
public long getUnsignedIntLE(int index) {
return getIntLE(index) & 0xFFFFFFFFL;
}
@Override
public long getLong(int index) {
return ByteBufUtil.swapLong(buf.getLong(index));
}
@Override
public long getLongLE(int index) {
return buf.getLongLE(index);
}
@Override
public char getChar(int index) {
return (char) getShort(index);
}
@Override
public float getFloat(int index) {
return Float.intBitsToFloat(getInt(index));
}
@Override
public double getDouble(int index) {
return Double.longBitsToDouble(getLong(index));
}
@Override
public ByteBuf getBytes(int index, ByteBuf dst) {
buf.getBytes(index, dst);
return this;
}
@Override
public ByteBuf getBytes(int index, ByteBuf dst, int length) {
buf.getBytes(index, dst, length);
return this;
}
@Override
public ByteBuf getBytes(int index, ByteBuf dst, int dstIndex, int length) {
buf.getBytes(index, dst, dstIndex, length);
return this;
}
@Override
public ByteBuf getBytes(int index, byte[] dst) {
buf.getBytes(index, dst);
return this;
}
@Override
public ByteBuf getBytes(int index, byte[] dst, int dstIndex, int length) {
buf.getBytes(index, dst, dstIndex, length);
return this;
}
@Override
public ByteBuf getBytes(int index, ByteBuffer dst) {
buf.getBytes(index, dst);
return this;
}
@Override
public ByteBuf getBytes(int index, OutputStream out, int length) throws IOException {
buf.getBytes(index, out, length);
return this;
}
@Override
public int getBytes(int index, GatheringByteChannel out, int length) throws IOException {
return buf.getBytes(index, out, length);
}
@Override
public int getBytes(int index, FileChannel out, long position, int length) throws IOException {
return buf.getBytes(index, out, position, length);
}
@Override
public CharSequence getCharSequence(int index, int length, Charset charset) {
return buf.getCharSequence(index, length, charset);
}
@Override
public ByteBuf setBoolean(int index, boolean value) {
buf.setBoolean(index, value);
return this;
}
@Override
public ByteBuf setByte(int index, int value) {
buf.setByte(index, value);
return this;
}
@Override
public ByteBuf setShort(int index, int value) {
buf.setShort(index, ByteBufUtil.swapShort((short) value));
return this;
}
@Override
public ByteBuf setShortLE(int index, int value) {
buf.setShortLE(index, (short) value);
return this;
}
@Override
public ByteBuf setMedium(int index, int value) {
buf.setMedium(index, ByteBufUtil.swapMedium(value));
return this;
}
@Override
public ByteBuf setMediumLE(int index, int value) {
buf.setMediumLE(index, value);
return this;
}
@Override
public ByteBuf setInt(int index, int value) {
buf.setInt(index, ByteBufUtil.swapInt(value));
return this;
}
@Override
public ByteBuf setIntLE(int index, int value) {
buf.setIntLE(index, value);
return this;
}
@Override
public ByteBuf setLong(int index, long value) {
buf.setLong(index, ByteBufUtil.swapLong(value));
return this;
}
@Override
public ByteBuf setLongLE(int index, long value) {
buf.setLongLE(index, value);
return this;
}
@Override
public ByteBuf setChar(int index, int value) {
setShort(index, value);
return this;
}
@Override
public ByteBuf setFloat(int index, float value) {
setInt(index, Float.floatToRawIntBits(value));
return this;
}
@Override
public ByteBuf setDouble(int index, double value) {
setLong(index, Double.doubleToRawLongBits(value));
return this;
}
@Override
public ByteBuf setBytes(int index, ByteBuf src) {
buf.setBytes(index, src);
return this;
}
@Override
public ByteBuf setBytes(int index, ByteBuf src, int length) {
buf.setBytes(index, src, length);
return this;
}
@Override
public ByteBuf setBytes(int index, ByteBuf src, int srcIndex, int length) {
buf.setBytes(index, src, srcIndex, length);
return this;
}
@Override
public ByteBuf setBytes(int index, byte[] src) {
buf.setBytes(index, src);
return this;
}
@Override
public ByteBuf setBytes(int index, byte[] src, int srcIndex, int length) {
buf.setBytes(index, src, srcIndex, length);
return this;
}
@Override
public ByteBuf setBytes(int index, ByteBuffer src) {
buf.setBytes(index, src);
return this;
}
@Override
public int setBytes(int index, InputStream in, int length) throws IOException {
return buf.setBytes(index, in, length);
}
@Override
public int setBytes(int index, ScatteringByteChannel in, int length) throws IOException {
return buf.setBytes(index, in, length);
}
@Override
public int setBytes(int index, FileChannel in, long position, int length) throws IOException {
return buf.setBytes(index, in, position, length);
}
@Override
public ByteBuf setZero(int index, int length) {
buf.setZero(index, length);
return this;
}
@Override
public int setCharSequence(int index, CharSequence sequence, Charset charset) {
return buf.setCharSequence(index, sequence, charset);
}
@Override
public boolean readBoolean() {
return buf.readBoolean();
}
@Override
public byte readByte() {
return buf.readByte();
}
@Override
public short readUnsignedByte() {
return buf.readUnsignedByte();
}
@Override
public short readShort() {
return ByteBufUtil.swapShort(buf.readShort());
}
@Override
public short readShortLE() {
return buf.readShortLE();
}
@Override
public int readUnsignedShort() {
return readShort() & 0xFFFF;
}
@Override
public int readUnsignedShortLE() {
return readShortLE() & 0xFFFF;
}
@Override
public int readMedium() {
return ByteBufUtil.swapMedium(buf.readMedium());
}
@Override
public int readMediumLE() {
return buf.readMediumLE();
}
@Override
public int readUnsignedMedium() {
return readMedium() & 0xFFFFFF;
}
@Override
public int readUnsignedMediumLE() {
return readMediumLE() & 0xFFFFFF;
}
@Override
public int readInt() {
return ByteBufUtil.swapInt(buf.readInt());
}
@Override
public int readIntLE() {
return buf.readIntLE();
}
@Override
public long readUnsignedInt() {
return readInt() & 0xFFFFFFFFL;
}
@Override
public long readUnsignedIntLE() {
return readIntLE() & 0xFFFFFFFFL;
}
@Override
public long readLong() {
return ByteBufUtil.swapLong(buf.readLong());
}
@Override
public long readLongLE() {
return buf.readLongLE();
}
@Override
public char readChar() {
return (char) readShort();
}
@Override
public float readFloat() {
return Float.intBitsToFloat(readInt());
}
@Override
public double readDouble() {
return Double.longBitsToDouble(readLong());
}
@Override
public ByteBuf readBytes(int length) {
return buf.readBytes(length).order(order());
}
@Override
public ByteBuf readSlice(int length) {
return buf.readSlice(length).order(order);
}
@Override
public ByteBuf readRetainedSlice(int length) {
return buf.readRetainedSlice(length).order(order);
}
@Override
public ByteBuf readBytes(ByteBuf dst) {
buf.readBytes(dst);
return this;
}
@Override
public ByteBuf readBytes(ByteBuf dst, int length) {
buf.readBytes(dst, length);
return this;
}
@Override
public ByteBuf readBytes(ByteBuf dst, int dstIndex, int length) {
buf.readBytes(dst, dstIndex, length);
return this;
}
@Override
public ByteBuf readBytes(byte[] dst) {
buf.readBytes(dst);
return this;
}
@Override
public ByteBuf readBytes(byte[] dst, int dstIndex, int length) {
buf.readBytes(dst, dstIndex, length);
return this;
}
@Override
public ByteBuf readBytes(ByteBuffer dst) {
buf.readBytes(dst);
return this;
}
@Override
public ByteBuf readBytes(OutputStream out, int length) throws IOException {
buf.readBytes(out, length);
return this;
}
@Override
public int readBytes(GatheringByteChannel out, int length) throws IOException {
return buf.readBytes(out, length);
}
@Override
public int readBytes(FileChannel out, long position, int length) throws IOException {
return buf.readBytes(out, position, length);
}
@Override
public CharSequence readCharSequence(int length, Charset charset) {
return buf.readCharSequence(length, charset);
}
@Override
public ByteBuf skipBytes(int length) {
buf.skipBytes(length);
return this;
}
@Override
public ByteBuf writeBoolean(boolean value) {
buf.writeBoolean(value);
return this;
}
@Override
public ByteBuf writeByte(int value) {
buf.writeByte(value);
return this;
}
@Override
public ByteBuf writeShort(int value) {
buf.writeShort(ByteBufUtil.swapShort((short) value));
return this;
}
@Override
public ByteBuf writeShortLE(int value) {
buf.writeShortLE((short) value);
return this;
}
@Override
public ByteBuf writeMedium(int value) {
buf.writeMedium(ByteBufUtil.swapMedium(value));
return this;
}
@Override
public ByteBuf writeMediumLE(int value) {
buf.writeMediumLE(value);
return this;
}
@Override
public ByteBuf writeInt(int value) {
buf.writeInt(ByteBufUtil.swapInt(value));
return this;
}
@Override
public ByteBuf writeIntLE(int value) {
buf.writeIntLE(value);
return this;
}
@Override
public ByteBuf writeLong(long value) {
buf.writeLong(ByteBufUtil.swapLong(value));
return this;
}
@Override
public ByteBuf writeLongLE(long value) {
buf.writeLongLE(value);
return this;
}
@Override
public ByteBuf writeChar(int value) {
writeShort(value);
return this;
}
@Override
public ByteBuf writeFloat(float value) {
writeInt(Float.floatToRawIntBits(value));
return this;
}
@Override
public ByteBuf writeDouble(double value) {
writeLong(Double.doubleToRawLongBits(value));
return this;
}
@Override
public ByteBuf writeBytes(ByteBuf src) {
buf.writeBytes(src);
return this;
}
@Override
public ByteBuf writeBytes(ByteBuf src, int length) {
buf.writeBytes(src, length);
return this;
}
@Override
public ByteBuf writeBytes(ByteBuf src, int srcIndex, int length) {
buf.writeBytes(src, srcIndex, length);
return this;
}
@Override
public ByteBuf writeBytes(byte[] src) {
buf.writeBytes(src);
return this;
}
@Override
public ByteBuf writeBytes(byte[] src, int srcIndex, int length) {
buf.writeBytes(src, srcIndex, length);
return this;
}
@Override
public ByteBuf writeBytes(ByteBuffer src) {
buf.writeBytes(src);
return this;
}
@Override
public int writeBytes(InputStream in, int length) throws IOException {
return buf.writeBytes(in, length);
}
@Override
public int writeBytes(ScatteringByteChannel in, int length) throws IOException {
return buf.writeBytes(in, length);
}
@Override
public int writeBytes(FileChannel in, long position, int length) throws IOException {
return buf.writeBytes(in, position, length);
}
@Override
public ByteBuf writeZero(int length) {
buf.writeZero(length);
return this;
}
@Override
public int writeCharSequence(CharSequence sequence, Charset charset) {
return buf.writeCharSequence(sequence, charset);
}
@Override
public int indexOf(int fromIndex, int toIndex, byte value) {
return buf.indexOf(fromIndex, toIndex, value);
}
@Override
public int bytesBefore(byte value) {
return buf.bytesBefore(value);
}
@Override
public int bytesBefore(int length, byte value) {
return buf.bytesBefore(length, value);
}
@Override
public int bytesBefore(int index, int length, byte value) {
return buf.bytesBefore(index, length, value);
}
@Override
public int forEachByte(ByteProcessor processor) {
return buf.forEachByte(processor);
}
@Override
public int forEachByte(int index, int length, ByteProcessor processor) {
return buf.forEachByte(index, length, processor);
}
@Override
public int forEachByteDesc(ByteProcessor processor) {
return buf.forEachByteDesc(processor);
}
@Override
public int forEachByteDesc(int index, int length, ByteProcessor processor) {
return buf.forEachByteDesc(index, length, processor);
}
@Override
public ByteBuf copy() {
return buf.copy().order(order);
}
@Override
public ByteBuf copy(int index, int length) {
return buf.copy(index, length).order(order);
}
@Override
public ByteBuf slice() {
return buf.slice().order(order);
}
@Override
public ByteBuf retainedSlice() {
return buf.retainedSlice().order(order);
}
@Override
public ByteBuf slice(int index, int length) {
return buf.slice(index, length).order(order);
}
@Override
public ByteBuf retainedSlice(int index, int length) {
return buf.retainedSlice(index, length).order(order);
}
@Override
public ByteBuf duplicate() {
return buf.duplicate().order(order);
}
@Override
public ByteBuf retainedDuplicate() {
return buf.retainedDuplicate().order(order);
}
@Override
public int nioBufferCount() {
return buf.nioBufferCount();
}
@Override
public ByteBuffer nioBuffer() {
return buf.nioBuffer().order(order);
}
@Override
public ByteBuffer nioBuffer(int index, int length) {
return buf.nioBuffer(index, length).order(order);
}
@Override
public ByteBuffer internalNioBuffer(int index, int length) {
return nioBuffer(index, length);
}
@Override
public ByteBuffer[] nioBuffers() {
ByteBuffer[] nioBuffers = buf.nioBuffers();
for (int i = 0; i < nioBuffers.length; i++) {
nioBuffers[i] = nioBuffers[i].order(order);
}
return nioBuffers;
}
@Override
public ByteBuffer[] nioBuffers(int index, int length) {
ByteBuffer[] nioBuffers = buf.nioBuffers(index, length);
for (int i = 0; i < nioBuffers.length; i++) {
nioBuffers[i] = nioBuffers[i].order(order);
}
return nioBuffers;
}
@Override
public boolean hasArray() {
return buf.hasArray();
}
@Override
public byte[] array() {
return buf.array();
}
@Override
public int arrayOffset() {
return buf.arrayOffset();
}
@Override
public boolean hasMemoryAddress() {
return buf.hasMemoryAddress();
}
@Override
public boolean isContiguous() {
return buf.isContiguous();
}
@Override
public long memoryAddress() {
return buf.memoryAddress();
}
@Override
public String toString(Charset charset) {
return buf.toString(charset);
}
@Override
public String toString(int index, int length, Charset charset) {
return buf.toString(index, length, charset);
}
@Override
public int refCnt() {
return buf.refCnt();
}
@Override
final boolean isAccessible() {
return buf.isAccessible();
}
@Override
public ByteBuf retain() {
buf.retain();
return this;
}
@Override
public ByteBuf retain(int increment) {
buf.retain(increment);
return this;
}
@Override
public ByteBuf touch() {
buf.touch();
return this;
}
@Override
public ByteBuf touch(Object hint) {
buf.touch(hint);
return this;
}
@Override
public boolean release() {
return buf.release();
}
@Override
public boolean release(int decrement) {
return buf.release(decrement);
}
@Override
public int hashCode() {
return buf.hashCode();
}
@Override
public boolean equals(Object obj) {
if (obj instanceof ByteBuf) {
return ByteBufUtil.equals(this, (ByteBuf) obj);
}
return false;
}
@Override
public int compareTo(ByteBuf buffer) {
return ByteBufUtil.compare(this, buffer);
}
@Override
public String toString() {
return "Swapped(" + buf + ')';
}
}
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