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annotate src/org/eclipse/jetty/io/JBuffer.java @ 1062:4a50422596b6
fix JBuffer.getByteBuffer()
| author | Franklin Schmidt <fschmidt@gmail.com> |
|---|---|
| date | Wed, 09 Nov 2016 02:04:02 -0700 |
| parents | c880589715c7 |
| children | 0157e92670f5 |
| rev | line source |
|---|---|
| 1046 | 1 // tmp class to implement Buffer until I can get rid of it |
| 2 | |
| 3 package org.eclipse.jetty.io; | |
| 4 | |
| 5 import java.io.InputStream; | |
| 6 import java.io.IOException; | |
| 7 import java.nio.ByteBuffer; | |
| 8 import java.nio.channels.Channels; | |
| 9 import java.nio.channels.ReadableByteChannel; | |
| 10 import org.slf4j.Logger; | |
| 11 import org.slf4j.LoggerFactory; | |
| 12 import org.eclipse.jetty.util.TypeUtil; | |
| 13 | |
| 14 | |
| 1048 | 15 public final class JBuffer { |
| 1046 | 16 private static final Logger LOG = LoggerFactory.getLogger(JBuffer.class); |
| 17 | |
| 18 private final ByteBuffer bb; | |
| 19 | |
| 20 public JBuffer(ByteBuffer bb) { | |
| 21 this.bb = bb; | |
| 22 } | |
| 23 | |
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24 public int position() { |
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25 return bb.position(); |
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26 } |
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27 |
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28 public void position(int i) { |
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29 bb.position(i); |
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parents:
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30 } |
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Franklin Schmidt <fschmidt@gmail.com>
parents:
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changeset
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31 |
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32 public int limit() { |
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33 return bb.limit(); |
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34 } |
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Franklin Schmidt <fschmidt@gmail.com>
parents:
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diff
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35 |
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36 public void limit(int i) { |
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parents:
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37 bb.limit(i); |
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Franklin Schmidt <fschmidt@gmail.com>
parents:
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38 } |
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parents:
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changeset
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39 |
| 1046 | 40 public byte[] array() { |
| 1053 | 41 return bb.array(); |
| 42 } | |
| 43 | |
| 44 public boolean hasArray() { | |
| 45 return bb.hasArray(); | |
| 1046 | 46 } |
| 47 | |
| 1048 | 48 public JBuffer duplicate() { |
| 1046 | 49 return new JBuffer(bb.duplicate()); |
| 50 } | |
| 51 | |
| 52 public int remaining() { | |
| 53 return bb.remaining(); | |
| 54 } | |
| 55 | |
| 56 public boolean isReadOnly() { | |
| 57 return bb.isReadOnly(); | |
| 58 } | |
| 59 | |
| 60 public boolean hasRemaining() { | |
| 61 return bb.hasRemaining(); | |
| 62 } | |
| 63 | |
| 64 public byte get() { | |
| 65 return bb.get(); | |
| 66 } | |
| 67 | |
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68 public void get(byte[] bytes) { |
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69 bb.get(bytes); |
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70 } |
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71 |
| 1046 | 72 public void compact() { |
| 73 int n = bb.remaining(); | |
| 74 bb.compact(); | |
| 75 bb.position(0); | |
| 76 bb.limit(n); | |
| 77 } | |
| 78 | |
| 79 public int capacity() { | |
| 80 return bb.capacity(); | |
| 81 } | |
| 82 | |
| 83 | |
| 84 | |
| 85 public ByteBuffer getByteBuffer() { | |
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parents:
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diff
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86 return bb; |
| 1046 | 87 } |
| 88 | |
| 89 public int getIndex() { | |
| 90 return bb.position(); | |
| 91 } | |
| 92 | |
| 93 public void clear() { | |
| 94 bb.position(0); | |
| 95 bb.limit(0); | |
| 96 } | |
| 97 | |
| 98 public int space() { | |
| 99 return bb.capacity() - bb.limit(); | |
| 100 } | |
| 101 | |
| 102 | |
| 1060 | 103 public void get(byte[] b, int offset, int length) { |
| 1046 | 104 bb.get(b,offset,length); |
| 105 } | |
| 106 | |
| 107 | |
| 1048 | 108 public int put(JBuffer src) { |
| 1046 | 109 return put(src.asArray()); |
| 110 } | |
| 111 | |
| 112 public void put(byte b) | |
| 113 { | |
| 114 ByteBuffer dup = bb.duplicate(); | |
| 115 dup.position(bb.limit()); | |
| 116 dup.limit(bb.capacity()); | |
| 117 dup.put(b); | |
| 118 bb.limit(bb.limit()+1); | |
| 119 } | |
| 120 | |
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121 private int put(byte[] b, int offset, int length) { |
| 1046 | 122 ByteBuffer dup = bb.duplicate(); |
| 123 int put = bb.limit(); | |
| 124 int capacity = bb.capacity(); | |
| 125 dup.position(put); | |
| 126 dup.limit(capacity); | |
| 127 if( length > capacity - put ) | |
| 128 length = capacity - put; | |
| 129 dup.put(b,offset,length); | |
| 130 bb.limit(put+length); | |
| 131 return length; | |
| 132 } | |
| 133 | |
| 134 public int put(byte[] b) { | |
| 135 return put(b,0,b.length); | |
| 136 } | |
| 137 | |
| 138 public final int putIndex() { | |
| 139 return bb.limit(); | |
| 140 } | |
| 141 | |
| 142 public void setPutIndex(int putIndex) { | |
| 143 bb.limit(putIndex); | |
| 144 } | |
| 145 | |
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Franklin Schmidt <fschmidt@gmail.com>
parents:
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diff
changeset
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146 public void skip(int n) { |
| 1046 | 147 if (remaining() < n) n = remaining(); |
| 148 bb.position(bb.position() + n); | |
| 149 } | |
| 150 | |
| 151 public int readFrom(InputStream in,int max) throws IOException { | |
| 152 ByteBuffer dup = bb.duplicate(); | |
| 153 int put = bb.limit(); | |
| 154 dup.limit( Math.min(put+max,bb.capacity()) ); | |
| 155 dup.position(put); | |
| 156 | |
| 157 ReadableByteChannel chan = Channels.newChannel(in); | |
| 158 int n = chan.read(dup); | |
| 159 | |
| 160 if( n > 0 ) | |
| 161 bb.limit(put+n); | |
| 162 return n; | |
| 163 } | |
| 164 | |
| 1060 | 165 private final byte[] asArray() { |
| 1046 | 166 byte[] bytes = new byte[remaining()]; |
| 167 bb.duplicate().get(bytes); | |
| 168 return bytes; | |
| 169 } | |
| 170 | |
| 171 @Override | |
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Franklin Schmidt <fschmidt@gmail.com>
parents:
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diff
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172 public String toString() { |
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parents:
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173 // return toString("ISO-8859-1"); |
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Franklin Schmidt <fschmidt@gmail.com>
parents:
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174 // Thread.dumpStack(); |
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Franklin Schmidt <fschmidt@gmail.com>
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175 throw new RuntimeException("toString"); |
| 1046 | 176 } |
| 177 | |
| 178 | |
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remove JBuffer.peek()
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179 public byte get(int index) { |
| 1046 | 180 return bb.get(index); |
| 181 } | |
| 182 | |
| 183 } |