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annotate src/org/eclipse/jetty/io/View.java @ 1044:dd71a59fcf72

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remove buffer marking
author Franklin Schmidt <fschmidt@gmail.com>
date Fri, 04 Nov 2016 02:26:54 -0600
parents 35e3c864d7a7
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rev   line source
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1 //
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2 // ========================================================================
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3 // Copyright (c) 1995-2014 Mort Bay Consulting Pty. Ltd.
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4 // ------------------------------------------------------------------------
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5 // All rights reserved. This program and the accompanying materials
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6 // are made available under the terms of the Eclipse Public License v1.0
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7 // and Apache License v2.0 which accompanies this distribution.
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8 //
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9 // The Eclipse Public License is available at
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10 // http://www.eclipse.org/legal/epl-v10.html
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11 //
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12 // The Apache License v2.0 is available at
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13 // http://www.opensource.org/licenses/apache2.0.php
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14 //
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15 // You may elect to redistribute this code under either of these licenses.
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16 // ========================================================================
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17 //
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18
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19 package org.eclipse.jetty.io;
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20
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21 /**
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22 * A View on another buffer. Allows operations that do not change the _content or
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23 * indexes of the backing buffer.
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24 *
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25 *
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26 *
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27 */
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28 final class View extends AbstractBuffer
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29 {
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30 private Buffer _buffer;
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31
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32 View(Buffer buffer)
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33 {
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34 super( buffer.isReadOnly()?READONLY:READWRITE );
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35 _buffer = buffer.buffer();
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36 setGetIndex(0);
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37 setPutIndex(buffer.putIndex());
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38 setGetIndex(buffer.getIndex());
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39 }
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40
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41
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42 @Override
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43 public byte[] array()
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44 {
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45 return _buffer.array();
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46 }
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47
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48 @Override
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49 public Buffer buffer()
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50 {
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51 return _buffer.buffer();
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52 }
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53
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54 @Override
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55 public int capacity()
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56 {
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57 return _buffer.capacity();
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58 }
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59
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60 @Override
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61 public void clear()
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62 {
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63 setGetIndex(0);
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64 setPutIndex(_buffer.getIndex());
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65 setGetIndex(_buffer.getIndex());
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66 }
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67
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68 @Override
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69 public void compact()
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70 {
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71 // TODO
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72 }
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73
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74 /*
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75 * (non-Javadoc)
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76 *
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77 * @see java.lang.Object#equals(java.lang.Object)
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78 */
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79 @Override
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80 public boolean equals(Object obj)
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81 {
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82 return this==obj ||((obj instanceof Buffer)&& obj.equals(this)) || super.equals(obj);
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83 }
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84
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85 @Override
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86 public boolean isReadOnly()
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87 {
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88 return _buffer.isReadOnly();
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89 }
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90
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91 @Override
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92 public byte peek(int index)
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93 {
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94 return _buffer.peek(index);
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95 }
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96
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97 @Override
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98 public int peek(int index, byte[] b, int offset, int length)
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99 {
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100 return _buffer.peek(index,b,offset,length);
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101 }
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102
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103 @Override
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104 public int poke(int index, Buffer src)
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105 {
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106 return _buffer.poke(index,src);
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107 }
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108
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109 @Override
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110 public void poke(int index, byte b)
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111 {
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112 _buffer.poke(index,b);
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113 }
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114
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115 @Override
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116 public int poke(int index, byte[] b, int offset, int length)
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117 {
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118 return _buffer.poke(index,b,offset,length);
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119 }
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120
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121 @Override
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122 public String toString()
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123 {
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124 if (_buffer==null)
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125 return "INVALID";
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126 return super.toString();
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127 }
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128 }