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annotate src/org/eclipse/jetty/io/View.java @ 1041:35e3c864d7a7

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make View package local
author Franklin Schmidt <fschmidt@gmail.com>
date Fri, 04 Nov 2016 00:47:23 -0600
parents a7319f14ba1e
children dd71a59fcf72
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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 setMarkIndex(buffer.markIndex());
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40 }
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41
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42
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43 @Override
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44 public byte[] array()
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45 {
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46 return _buffer.array();
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47 }
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48
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49 @Override
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50 public Buffer buffer()
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51 {
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52 return _buffer.buffer();
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53 }
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54
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55 @Override
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56 public int capacity()
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57 {
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58 return _buffer.capacity();
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59 }
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60
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61 @Override
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62 public void clear()
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63 {
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64 setMarkIndex(-1);
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65 setGetIndex(0);
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66 setPutIndex(_buffer.getIndex());
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67 setGetIndex(_buffer.getIndex());
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68 }
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69
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70 @Override
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71 public void compact()
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72 {
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73 // TODO
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74 }
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75
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76 /*
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77 * (non-Javadoc)
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78 *
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79 * @see java.lang.Object#equals(java.lang.Object)
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80 */
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81 @Override
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82 public boolean equals(Object obj)
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83 {
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84 return this==obj ||((obj instanceof Buffer)&& obj.equals(this)) || super.equals(obj);
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85 }
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86
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87 @Override
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88 public boolean isReadOnly()
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89 {
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90 return _buffer.isReadOnly();
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91 }
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92
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93 @Override
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94 public byte peek(int index)
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95 {
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96 return _buffer.peek(index);
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97 }
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98
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99 @Override
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100 public int peek(int index, byte[] b, int offset, int length)
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101 {
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102 return _buffer.peek(index,b,offset,length);
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103 }
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104
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105 @Override
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106 public int poke(int index, Buffer src)
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107 {
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108 return _buffer.poke(index,src);
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109 }
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110
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111 @Override
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112 public void poke(int index, byte b)
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113 {
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114 _buffer.poke(index,b);
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115 }
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117 @Override
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118 public int poke(int index, byte[] b, int offset, int length)
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119 {
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120 return _buffer.poke(index,b,offset,length);
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121 }
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122
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123 @Override
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124 public String toString()
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125 {
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126 if (_buffer==null)
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127 return "INVALID";
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128 return super.toString();
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129 }
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130 }