Mercurial Hosting > luan
annotate src/org/eclipse/jetty/io/JBuffer.java @ 1058:419bf9c03d84
remove HttpGenerator._method
| author | Franklin Schmidt <fschmidt@gmail.com> |
|---|---|
| date | Tue, 08 Nov 2016 04:17:22 -0700 |
| parents | 87275900646e |
| children | 013939bfc9e8 |
| 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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parents:
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26 } |
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parents:
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27 |
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parents:
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28 public void position(int i) { |
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29 bb.position(i); |
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Franklin Schmidt <fschmidt@gmail.com>
parents:
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changeset
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30 } |
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5ef954fad97b
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Franklin Schmidt <fschmidt@gmail.com>
parents:
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changeset
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31 |
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parents:
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changeset
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32 public void limit(int i) { |
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33 bb.limit(i); |
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parents:
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34 } |
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parents:
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diff
changeset
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35 |
| 1046 | 36 public byte[] array() { |
| 1053 | 37 return bb.array(); |
| 38 } | |
| 39 | |
| 40 public boolean hasArray() { | |
| 41 return bb.hasArray(); | |
| 1046 | 42 } |
| 43 | |
| 1048 | 44 public JBuffer duplicate() { |
| 1046 | 45 return new JBuffer(bb.duplicate()); |
| 46 } | |
| 47 | |
| 48 public int remaining() { | |
| 49 return bb.remaining(); | |
| 50 } | |
| 51 | |
| 52 public boolean isReadOnly() { | |
| 53 return bb.isReadOnly(); | |
| 54 } | |
| 55 | |
| 56 public boolean hasRemaining() { | |
| 57 return bb.hasRemaining(); | |
| 58 } | |
| 59 | |
| 60 public byte get() { | |
| 61 return bb.get(); | |
| 62 } | |
| 63 | |
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64 public void get(byte[] bytes) { |
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65 bb.get(bytes); |
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66 } |
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parents:
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67 |
| 1046 | 68 public void compact() { |
| 69 int n = bb.remaining(); | |
| 70 bb.compact(); | |
| 71 bb.position(0); | |
| 72 bb.limit(n); | |
| 73 } | |
| 74 | |
| 75 public int capacity() { | |
| 76 return bb.capacity(); | |
| 77 } | |
| 78 | |
| 79 | |
| 80 | |
| 81 public ByteBuffer getByteBuffer() { | |
| 82 ByteBuffer dup = bb.duplicate(); | |
| 83 dup.limit(dup.capacity()); | |
| 84 return dup; | |
| 85 } | |
| 86 | |
| 87 public int getIndex() { | |
| 88 return bb.position(); | |
| 89 } | |
| 90 | |
| 91 public void clear() { | |
| 92 bb.position(0); | |
| 93 bb.limit(0); | |
| 94 } | |
| 95 | |
| 96 public int space() { | |
| 97 return bb.capacity() - bb.limit(); | |
| 98 } | |
| 99 | |
| 100 | |
| 101 public int get(byte[] b, int offset, int length) { | |
| 102 int remaining = bb.remaining(); | |
| 103 if( remaining == 0 ) | |
| 104 return -1; | |
| 105 if( length > remaining ) | |
| 106 length = remaining; | |
| 107 bb.get(b,offset,length); | |
| 108 return length; | |
| 109 } | |
| 110 | |
| 111 | |
| 1048 | 112 public int put(JBuffer src) { |
| 1046 | 113 return put(src.asArray()); |
| 114 } | |
| 115 | |
| 116 public void put(byte b) | |
| 117 { | |
| 118 ByteBuffer dup = bb.duplicate(); | |
| 119 dup.position(bb.limit()); | |
| 120 dup.limit(bb.capacity()); | |
| 121 dup.put(b); | |
| 122 bb.limit(bb.limit()+1); | |
| 123 } | |
| 124 | |
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125 private int put(byte[] b, int offset, int length) { |
| 1046 | 126 ByteBuffer dup = bb.duplicate(); |
| 127 int put = bb.limit(); | |
| 128 int capacity = bb.capacity(); | |
| 129 dup.position(put); | |
| 130 dup.limit(capacity); | |
| 131 if( length > capacity - put ) | |
| 132 length = capacity - put; | |
| 133 dup.put(b,offset,length); | |
| 134 bb.limit(put+length); | |
| 135 return length; | |
| 136 } | |
| 137 | |
| 138 public int put(byte[] b) { | |
| 139 return put(b,0,b.length); | |
| 140 } | |
| 141 | |
| 142 public final int putIndex() { | |
| 143 return bb.limit(); | |
| 144 } | |
| 145 | |
| 146 public void setGetIndex(int getIndex) { | |
| 147 bb.position(getIndex); | |
| 148 } | |
| 149 | |
| 150 public void setPutIndex(int putIndex) { | |
| 151 bb.limit(putIndex); | |
| 152 } | |
| 153 | |
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154 public void skip(int n) { |
| 1046 | 155 if (remaining() < n) n = remaining(); |
| 156 bb.position(bb.position() + n); | |
| 157 } | |
| 158 | |
| 159 public int readFrom(InputStream in,int max) throws IOException { | |
| 160 ByteBuffer dup = bb.duplicate(); | |
| 161 int put = bb.limit(); | |
| 162 dup.limit( Math.min(put+max,bb.capacity()) ); | |
| 163 dup.position(put); | |
| 164 | |
| 165 ReadableByteChannel chan = Channels.newChannel(in); | |
| 166 int n = chan.read(dup); | |
| 167 | |
| 168 if( n > 0 ) | |
| 169 bb.limit(put+n); | |
| 170 return n; | |
| 171 } | |
| 172 | |
| 173 public final byte[] asArray() { | |
| 174 byte[] bytes = new byte[remaining()]; | |
| 175 bb.duplicate().get(bytes); | |
| 176 return bytes; | |
| 177 } | |
| 178 | |
| 179 @Override | |
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Franklin Schmidt <fschmidt@gmail.com>
parents:
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diff
changeset
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180 public String toString() { |
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87275900646e
remove JBuffer.toString()
Franklin Schmidt <fschmidt@gmail.com>
parents:
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diff
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181 // return toString("ISO-8859-1"); |
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87275900646e
remove JBuffer.toString()
Franklin Schmidt <fschmidt@gmail.com>
parents:
1053
diff
changeset
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182 // Thread.dumpStack(); |
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87275900646e
remove JBuffer.toString()
Franklin Schmidt <fschmidt@gmail.com>
parents:
1053
diff
changeset
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183 throw new RuntimeException("toString"); |
| 1046 | 184 } |
| 185 | |
| 186 | |
| 1048 | 187 private JBuffer pokeBuffer(int index) { |
| 188 JBuffer dup = duplicate(); | |
| 1046 | 189 dup.setPutIndex(index); |
| 190 return dup; | |
| 191 } | |
| 192 | |
| 193 public int poke(int index, byte b[], int offset, int length) { | |
| 194 return pokeBuffer(index).put(b,offset,length); | |
| 195 } | |
| 196 | |
| 197 public void poke(int index, byte b) { | |
| 198 pokeBuffer(index).put(b); | |
| 199 } | |
| 200 | |
| 201 | |
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202 public byte get(int index) { |
| 1046 | 203 return bb.get(index); |
| 204 } | |
| 205 | |
| 206 } |