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annotate src/org/eclipse/jetty/http/AbstractGenerator.java @ 854:359012f4e797

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minor
author Franklin Schmidt <fschmidt@gmail.com>
date Tue, 20 Sep 2016 01:05:37 -0600
parents 8e9db0bbf4f9
children fef4392f4905
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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.http;
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20
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21 import java.io.IOException;
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22
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23 import org.eclipse.jetty.io.Buffer;
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24 import org.eclipse.jetty.io.Buffers;
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25 import org.eclipse.jetty.io.ByteArrayBuffer;
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26 import org.eclipse.jetty.io.EndPoint;
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27 import org.eclipse.jetty.io.EofException;
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28 import org.eclipse.jetty.io.View;
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29 import org.slf4j.Logger;
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30 import org.slf4j.LoggerFactory;
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31
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32 /* ------------------------------------------------------------ */
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33 /**
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34 * Abstract Generator. Builds HTTP Messages.
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35 *
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36 * Currently this class uses a system parameter "jetty.direct.writers" to control
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37 * two optional writer to byte conversions. buffer.writers=true will probably be
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38 * faster, but will consume more memory. This option is just for testing and tuning.
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39 *
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40 */
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41 public abstract class AbstractGenerator implements Generator
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42 {
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43 private static final Logger LOG = LoggerFactory.getLogger(AbstractGenerator.class);
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44
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45 // states
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46 public final static int STATE_HEADER = 0;
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47 public final static int STATE_CONTENT = 2;
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48 public final static int STATE_FLUSHING = 3;
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49 public final static int STATE_END = 4;
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50
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51 public static final byte[] NO_BYTES = {};
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52
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53 // data
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54
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55 protected final Buffers _buffers; // source of buffers
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56 protected final EndPoint _endp;
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57
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58 protected int _state = STATE_HEADER;
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59
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60 protected int _status = 0;
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61 protected int _version = HttpVersions.HTTP_1_1_ORDINAL;
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62 protected Buffer _reason;
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63 protected Buffer _method;
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64 protected String _uri;
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65
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66 protected long _contentWritten = 0;
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67 protected long _contentLength = HttpTokens.UNKNOWN_CONTENT;
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68 protected boolean _last = false;
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69 protected boolean _head = false;
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70 protected boolean _noContent = false;
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71 protected Boolean _persistent = null;
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72
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73 protected Buffer _header; // Buffer for HTTP header (and maybe small _content)
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74 protected Buffer _buffer; // Buffer for copy of passed _content
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75 protected Buffer _content; // Buffer passed to addContent
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76
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77 protected Buffer _date;
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78
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79 private boolean _sendServerVersion;
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80
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81
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82 /* ------------------------------------------------------------------------------- */
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83 /**
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84 * Constructor.
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85 *
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86 * @param buffers buffer pool
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87 * @param io the end point
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88 */
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89 public AbstractGenerator(Buffers buffers, EndPoint io)
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90 {
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91 this._buffers = buffers;
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92 this._endp = io;
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93 }
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94
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95 /* ------------------------------------------------------------------------------- */
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96 public abstract boolean isRequest();
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97
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98 /* ------------------------------------------------------------------------------- */
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99 public abstract boolean isResponse();
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100
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101 /* ------------------------------------------------------------------------------- */
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102 public boolean isOpen()
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103 {
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104 return _endp.isOpen();
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105 }
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106
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107 /* ------------------------------------------------------------------------------- */
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108 public void reset()
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109 {
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110 _state = STATE_HEADER;
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111 _status = 0;
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112 _version = HttpVersions.HTTP_1_1_ORDINAL;
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113 _reason = null;
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114 _last = false;
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115 _head = false;
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116 _noContent=false;
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117 _persistent = null;
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118 _contentWritten = 0;
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119 _contentLength = HttpTokens.UNKNOWN_CONTENT;
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120 _date = null;
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121
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122 _content = null;
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123 _method=null;
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124 }
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125
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126 /* ------------------------------------------------------------------------------- */
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127 public void returnBuffers()
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128 {
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129 if (_buffer!=null && _buffer.length()==0)
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130 {
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131 _buffers.returnBuffer(_buffer);
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132 _buffer=null;
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133 }
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134
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135 if (_header!=null && _header.length()==0)
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136 {
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137 _buffers.returnBuffer(_header);
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138 _header=null;
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139 }
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140 }
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141
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142 /* ------------------------------------------------------------------------------- */
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143 public void resetBuffer()
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144 {
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145 if(_state>=STATE_FLUSHING)
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146 throw new IllegalStateException("Flushed");
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147
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148 _last = false;
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149 _persistent=null;
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150 _contentWritten = 0;
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151 _contentLength = HttpTokens.UNKNOWN_CONTENT;
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152 _content=null;
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153 if (_buffer!=null)
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154 _buffer.clear();
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155 }
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156
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157 /* ------------------------------------------------------------ */
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158 /**
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159 * @return Returns the contentBufferSize.
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160 */
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161 public int getContentBufferSize()
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162 {
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163 if (_buffer==null)
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164 _buffer=_buffers.getBuffer();
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165 return _buffer.capacity();
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166 }
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167
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168 /* ------------------------------------------------------------ */
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169 /**
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170 * @param contentBufferSize The contentBufferSize to set.
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171 */
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172 public void increaseContentBufferSize(int contentBufferSize)
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173 {
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174 if (_buffer==null)
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175 _buffer=_buffers.getBuffer();
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176 if (contentBufferSize > _buffer.capacity())
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177 {
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178 Buffer nb = _buffers.getBuffer(contentBufferSize);
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179 nb.put(_buffer);
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180 _buffers.returnBuffer(_buffer);
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181 _buffer = nb;
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182 }
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183 }
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184
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185 /* ------------------------------------------------------------ */
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186 public Buffer getUncheckedBuffer()
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187 {
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188 return _buffer;
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189 }
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190
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191 /* ------------------------------------------------------------ */
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192 public boolean getSendServerVersion ()
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193 {
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194 return _sendServerVersion;
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195 }
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196
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197 /* ------------------------------------------------------------ */
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198 public void setSendServerVersion (boolean sendServerVersion)
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199 {
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200 _sendServerVersion = sendServerVersion;
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201 }
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202
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203 /* ------------------------------------------------------------ */
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204 public int getState()
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205 {
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206 return _state;
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207 }
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208
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209 /* ------------------------------------------------------------ */
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210 public boolean isState(int state)
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211 {
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212 return _state == state;
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213 }
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214
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215 /* ------------------------------------------------------------ */
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216 public boolean isComplete()
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217 {
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218 return _state == STATE_END;
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219 }
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220
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221 /* ------------------------------------------------------------ */
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222 public boolean isIdle()
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223 {
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224 return _state == STATE_HEADER && _method==null && _status==0;
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225 }
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226
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227 /* ------------------------------------------------------------ */
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228 public boolean isCommitted()
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229 {
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230 return _state != STATE_HEADER;
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231 }
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232
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233 /* ------------------------------------------------------------ */
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234 /**
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235 * @return Returns the head.
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236 */
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237 public boolean isHead()
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238 {
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239 return _head;
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240 }
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241
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242 /* ------------------------------------------------------------ */
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243 public void setContentLength(long value)
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244 {
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245 if (value<0)
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246 _contentLength=HttpTokens.UNKNOWN_CONTENT;
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247 else
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248 _contentLength=value;
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249 }
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250
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251 /* ------------------------------------------------------------ */
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252 /**
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253 * @param head The head to set.
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254 */
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255 public void setHead(boolean head)
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256 {
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257 _head = head;
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258 }
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259
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260 /* ------------------------------------------------------------ */
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261 /**
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262 * @return <code>false</code> if the connection should be closed after a request has been read,
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263 * <code>true</code> if it should be used for additional requests.
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264 */
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265 public boolean isPersistent()
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266 {
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267 return _persistent!=null
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268 ?_persistent.booleanValue()
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269 :(isRequest()?true:_version>HttpVersions.HTTP_1_0_ORDINAL);
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270 }
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271
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272 /* ------------------------------------------------------------ */
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273 public void setPersistent(boolean persistent)
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274 {
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275 _persistent=persistent;
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276 }
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277
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278 /* ------------------------------------------------------------ */
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279 /**
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280 * @param version The version of the client the response is being sent to (NB. Not the version
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281 * in the response, which is the version of the server).
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282 */
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283 public void setVersion(int version)
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284 {
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285 if (_state != STATE_HEADER)
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286 throw new IllegalStateException("STATE!=START "+_state);
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287 _version = version;
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288 if (_version==HttpVersions.HTTP_0_9_ORDINAL && _method!=null)
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289 _noContent=true;
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290 }
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291
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292 /* ------------------------------------------------------------ */
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293 public int getVersion()
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294 {
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295 return _version;
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296 }
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297
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298 /* ------------------------------------------------------------ */
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299 /**
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300 * @see org.eclipse.jetty.http.Generator#setDate(org.eclipse.jetty.io.Buffer)
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301 */
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302 public void setDate(Buffer timeStampBuffer)
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303 {
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304 _date=timeStampBuffer;
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305 }
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306
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307 /* ------------------------------------------------------------ */
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308 /**
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309 */
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310 public void setRequest(String method, String uri)
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311 {
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312 if (method==null || HttpMethods.GET.equals(method) )
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313 _method=HttpMethods.GET_BUFFER;
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314 else
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315 _method=HttpMethods.CACHE.lookup(method);
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316 _uri=uri;
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317 if (_version==HttpVersions.HTTP_0_9_ORDINAL)
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318 _noContent=true;
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319 }
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320
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321 /* ------------------------------------------------------------ */
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322 /**
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323 * @param status The status code to send.
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324 * @param reason the status message to send.
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325 */
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326 public void setResponse(int status, String reason)
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327 {
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328 if (_state != STATE_HEADER) throw new IllegalStateException("STATE!=START");
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329 _method=null;
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330 _status = status;
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331 if (reason!=null)
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332 {
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333 int len=reason.length();
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334
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335 // TODO don't hard code
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336 if (len>1024)
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337 len=1024;
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338 _reason=new ByteArrayBuffer(len);
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339 for (int i=0;i<len;i++)
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340 {
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diff changeset
341 char ch = reason.charAt(i);
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
342 if (ch!='\r'&&ch!='\n')
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
343 _reason.put((byte)ch);
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
344 else
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
345 _reason.put((byte)' ');
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
346 }
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
347 }
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
348 }
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
349
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
350 /* ------------------------------------------------------------ */
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
351 /** Prepare buffer for unchecked writes.
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
352 * Prepare the generator buffer to receive unchecked writes
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
353 * @return the available space in the buffer.
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
354 * @throws IOException
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
355 */
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
356 public abstract int prepareUncheckedAddContent() throws IOException;
3428c60d7cfc replace jetty jars with source
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parents:
diff changeset
357
3428c60d7cfc replace jetty jars with source
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parents:
diff changeset
358 /* ------------------------------------------------------------ */
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
359 void uncheckedAddContent(int b)
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
360 {
3428c60d7cfc replace jetty jars with source
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parents:
diff changeset
361 _buffer.put((byte)b);
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
362 }
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
363
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
364 /* ------------------------------------------------------------ */
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
365 public void completeUncheckedAddContent()
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
366 {
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
367 if (_noContent)
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
368 {
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
369 if(_buffer!=null)
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
370 _buffer.clear();
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
371 }
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
372 else
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
373 {
3428c60d7cfc replace jetty jars with source
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parents:
diff changeset
374 _contentWritten+=_buffer.length();
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
375 if (_head)
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
376 _buffer.clear();
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
377 }
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
378 }
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
379
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
380 /* ------------------------------------------------------------ */
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
381 public boolean isBufferFull()
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
382 {
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
383 if (_buffer != null && _buffer.space()==0)
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
384 {
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
385 if (_buffer.length()==0 && !_buffer.isImmutable())
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
386 _buffer.compact();
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
387 return _buffer.space()==0;
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
388 }
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
389
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
390 return _content!=null && _content.length()>0;
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
391 }
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
392
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
393 /* ------------------------------------------------------------ */
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
394 public boolean isWritten()
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
395 {
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
396 return _contentWritten>0;
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
397 }
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
398
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
399 /* ------------------------------------------------------------ */
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
400 public boolean isAllContentWritten()
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
401 {
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
402 return _contentLength>=0 && _contentWritten>=_contentLength;
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
403 }
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
404
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
405 /* ------------------------------------------------------------ */
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
406 public abstract void completeHeader(HttpFields fields, boolean allContentAdded) throws IOException;
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
407
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
408 /* ------------------------------------------------------------ */
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
409 /**
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
410 * Complete the message.
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
411 *
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
412 * @throws IOException
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
413 */
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
414 public void complete() throws IOException
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
415 {
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
416 if (_state == STATE_HEADER)
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
417 {
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
418 throw new IllegalStateException("State==HEADER");
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
419 }
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
420
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
421 if (_contentLength >= 0 && _contentLength != _contentWritten && !_head)
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
422 {
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
423 if (LOG.isDebugEnabled())
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
424 LOG.debug("ContentLength written=="+_contentWritten+" != contentLength=="+_contentLength);
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
425 _persistent = false;
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
426 }
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
427 }
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
428
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
429 /* ------------------------------------------------------------ */
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
430 public abstract int flushBuffer() throws IOException;
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
431
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
432
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
433 /* ------------------------------------------------------------ */
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
434 public void flush(long maxIdleTime) throws IOException
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
435 {
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
436 // block until everything is flushed
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
437 long now=System.currentTimeMillis();
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
438 long end=now+maxIdleTime;
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
439 Buffer content = _content;
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
440 Buffer buffer = _buffer;
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
441 if (content!=null && content.length()>0 || buffer!=null && buffer.length()>0 || isBufferFull())
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
442 {
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
443 flushBuffer();
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
444
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
445 while (now<end && (content!=null && content.length()>0 ||buffer!=null && buffer.length()>0) && _endp.isOpen()&& !_endp.isOutputShutdown())
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
446 {
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
447 blockForOutput(end-now);
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
448 now=System.currentTimeMillis();
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
449 }
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
450 }
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
451 }
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
452
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
453 /* ------------------------------------------------------------ */
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
454 /**
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
455 * Utility method to send an error response. If the builder is not committed, this call is
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
456 * equivalent to a setResponse, addContent and complete call.
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
457 *
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
458 * @param code The error code
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
459 * @param reason The error reason
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
460 * @param content Contents of the error page
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
461 * @param close True if the connection should be closed
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
462 * @throws IOException if there is a problem flushing the response
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
463 */
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
464 public void sendError(int code, String reason, String content, boolean close) throws IOException
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
465 {
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
466 if (close)
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
467 _persistent=false;
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
468 if (isCommitted())
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
469 {
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
470 LOG.debug("sendError on committed: {} {}",code,reason);
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
471 }
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
472 else
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
473 {
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
474 LOG.debug("sendError: {} {}",code,reason);
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
475 setResponse(code, reason);
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
476 if (content != null)
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
477 {
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
478 completeHeader(null, false);
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
479 addContent(new View(new ByteArrayBuffer(content)), Generator.LAST);
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
480 }
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
481 else if (code>=400)
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
482 {
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
483 completeHeader(null, false);
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
484 addContent(new View(new ByteArrayBuffer("Error: "+(reason==null?(""+code):reason))), Generator.LAST);
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
485 }
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
486 else
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
487 {
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
488 completeHeader(null, true);
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
489 }
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
490 complete();
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
491 }
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
492 }
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
493
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
494 /* ------------------------------------------------------------ */
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
495 /**
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
496 * @return Returns the contentWritten.
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
497 */
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
498 public long getContentWritten()
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
499 {
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
500 return _contentWritten;
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
501 }
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
502
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
503
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
504
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
505 /* ------------------------------------------------------------ */
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
506 public void blockForOutput(long maxIdleTime) throws IOException
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
507 {
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
508 if (_endp.isBlocking())
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
509 {
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
510 try
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
511 {
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
512 flushBuffer();
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
513 }
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
514 catch(IOException e)
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515 {
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516 _endp.close();
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517 throw e;
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518 }
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519 }
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520 else
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521 {
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522 if (!_endp.blockWritable(maxIdleTime))
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523 {
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524 _endp.close();
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525 throw new EofException("timeout");
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526 }
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527
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528 flushBuffer();
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529 }
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530 }
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parents:
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531
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parents:
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532 }