1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
|
/*
* 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 java.nio.charset.StandardCharsets;
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(StandardCharsets.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);
}
}
|
