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Elasticsearch subproject :server
/*
* Licensed to Elasticsearch under one or more contributor
* license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright
* ownership. Elasticsearch 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 org.elasticsearch.common.bytes;
import com.google.common.base.Charsets;
import org.apache.lucene.util.BytesRef;
import org.elasticsearch.common.io.Channels;
import org.elasticsearch.common.io.stream.StreamInput;
import org.elasticsearch.transport.netty.ChannelBufferStreamInputFactory;
import org.jboss.netty.buffer.ChannelBuffer;
import java.io.IOException;
import java.io.OutputStream;
import java.nio.channels.GatheringByteChannel;
/**
*/
public class ChannelBufferBytesReference implements BytesReference {
private final ChannelBuffer buffer;
public ChannelBufferBytesReference(ChannelBuffer buffer) {
this.buffer = buffer;
}
@Override
public byte get(int index) {
return buffer.getByte(buffer.readerIndex() + index);
}
@Override
public int length() {
return buffer.readableBytes();
}
@Override
public BytesReference slice(int from, int length) {
return new ChannelBufferBytesReference(buffer.slice(from, length));
}
@Override
public StreamInput streamInput() {
return ChannelBufferStreamInputFactory.create(buffer.duplicate());
}
@Override
public void writeTo(OutputStream os) throws IOException {
buffer.getBytes(buffer.readerIndex(), os, length());
}
@Override
public void writeTo(GatheringByteChannel channel) throws IOException {
Channels.writeToChannel(buffer, buffer.readerIndex(), length(), channel);
}
@Override
public byte[] toBytes() {
return copyBytesArray().toBytes();
}
@Override
public BytesArray toBytesArray() {
if (buffer.hasArray()) {
return new BytesArray(buffer.array(), buffer.arrayOffset() + buffer.readerIndex(), buffer.readableBytes());
}
return copyBytesArray();
}
@Override
public BytesArray copyBytesArray() {
byte[] copy = new byte[buffer.readableBytes()];
buffer.getBytes(buffer.readerIndex(), copy);
return new BytesArray(copy);
}
@Override
public ChannelBuffer toChannelBuffer() {
return buffer.duplicate();
}
@Override
public boolean hasArray() {
return buffer.hasArray();
}
@Override
public byte[] array() {
return buffer.array();
}
@Override
public int arrayOffset() {
return buffer.arrayOffset() + buffer.readerIndex();
}
@Override
public String toUtf8() {
return buffer.toString(Charsets.UTF_8);
}
@Override
public BytesRef toBytesRef() {
if (buffer.hasArray()) {
return new BytesRef(buffer.array(), buffer.arrayOffset() + buffer.readerIndex(), buffer.readableBytes());
}
byte[] copy = new byte[buffer.readableBytes()];
buffer.getBytes(buffer.readerIndex(), copy);
return new BytesRef(copy);
}
@Override
public BytesRef copyBytesRef() {
byte[] copy = new byte[buffer.readableBytes()];
buffer.getBytes(buffer.readerIndex(), copy);
return new BytesRef(copy);
}
@Override
public int hashCode() {
return Helper.bytesHashCode(this);
}
@Override
public boolean equals(Object obj) {
return Helper.bytesEqual(this, (BytesReference) obj);
}
}