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annotate src/org/eclipse/jetty/server/Dispatcher.java @ 817:eb33d0045bc2

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remove ResourceCache
author Franklin Schmidt <fschmidt@gmail.com>
date Fri, 09 Sep 2016 16:43:04 -0600
parents 3428c60d7cfc
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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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.server;
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20
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21 import java.io.IOException;
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22 import java.util.Collections;
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23 import java.util.Enumeration;
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24 import java.util.HashSet;
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25 import java.util.Iterator;
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26 import java.util.Map;
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27
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28 import javax.servlet.DispatcherType;
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29 import javax.servlet.RequestDispatcher;
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30 import javax.servlet.ServletException;
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31 import javax.servlet.ServletRequest;
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32 import javax.servlet.ServletResponse;
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33 import javax.servlet.http.HttpServletRequest;
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34 import javax.servlet.http.HttpServletResponse;
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35
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36 import org.eclipse.jetty.server.handler.ContextHandler;
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37 import org.eclipse.jetty.util.Attributes;
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38 import org.eclipse.jetty.util.LazyList;
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39 import org.eclipse.jetty.util.MultiMap;
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40 import org.eclipse.jetty.util.UrlEncoded;
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41
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42 /* ------------------------------------------------------------ */
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43 /** Servlet RequestDispatcher.
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44 *
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45 *
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46 */
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47 public class Dispatcher implements RequestDispatcher
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48 {
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49 /** Dispatch include attribute names */
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50 public final static String __INCLUDE_PREFIX="javax.servlet.include.";
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51
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52 /** Dispatch include attribute names */
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53 public final static String __FORWARD_PREFIX="javax.servlet.forward.";
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54
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55 /** JSP attributes */
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56 public final static String __JSP_FILE="org.apache.catalina.jsp_file";
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57
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58 /* ------------------------------------------------------------ */
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59 private final ContextHandler _contextHandler;
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60 private final String _uri;
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61 private final String _path;
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62 private final String _dQuery;
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63 private final String _named;
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64
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65 /* ------------------------------------------------------------ */
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66 /**
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67 * @param contextHandler
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68 * @param uri
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69 * @param pathInContext
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70 * @param query
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71 */
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72 public Dispatcher(ContextHandler contextHandler, String uri, String pathInContext, String query)
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73 {
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74 _contextHandler=contextHandler;
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75 _uri=uri;
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76 _path=pathInContext;
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77 _dQuery=query;
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78 _named=null;
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79 }
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80
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81
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82 /* ------------------------------------------------------------ */
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83 /** Constructor.
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84 * @param contextHandler
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85 * @param name
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86 */
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87 public Dispatcher(ContextHandler contextHandler,String name)
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88 throws IllegalStateException
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89 {
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90 _contextHandler=contextHandler;
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91 _named=name;
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92 _uri=null;
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93 _path=null;
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94 _dQuery=null;
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95 }
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96
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97 /* ------------------------------------------------------------ */
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98 /*
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99 * @see javax.servlet.RequestDispatcher#forward(javax.servlet.ServletRequest, javax.servlet.ServletResponse)
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100 */
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101 public void forward(ServletRequest request, ServletResponse response) throws ServletException, IOException
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102 {
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103 forward(request, response, DispatcherType.FORWARD);
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104 }
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105
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106 /* ------------------------------------------------------------ */
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107 /*
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108 * @see javax.servlet.RequestDispatcher#forward(javax.servlet.ServletRequest, javax.servlet.ServletResponse)
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109 */
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110 public void error(ServletRequest request, ServletResponse response) throws ServletException, IOException
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111 {
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112 forward(request, response, DispatcherType.ERROR);
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113 }
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114
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115 /* ------------------------------------------------------------ */
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116 /*
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117 * @see javax.servlet.RequestDispatcher#include(javax.servlet.ServletRequest, javax.servlet.ServletResponse)
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118 */
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119 public void include(ServletRequest request, ServletResponse response) throws ServletException, IOException
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120 {
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121 Request baseRequest=(request instanceof Request)?((Request)request):AbstractHttpConnection.getCurrentConnection().getRequest();
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122
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123
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124 if (!(request instanceof HttpServletRequest))
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125 request = new ServletRequestHttpWrapper(request);
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126 if (!(response instanceof HttpServletResponse))
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127 response = new ServletResponseHttpWrapper(response);
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128
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129
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130 // TODO - allow stream or writer????
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131
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132 final DispatcherType old_type = baseRequest.getDispatcherType();
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133 final Attributes old_attr=baseRequest.getAttributes();
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134 MultiMap old_params=baseRequest.getParameters();
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135 try
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136 {
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137 baseRequest.setDispatcherType(DispatcherType.INCLUDE);
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138 baseRequest.getConnection().include();
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139 if (_named!=null)
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140 _contextHandler.handle(_named,baseRequest, (HttpServletRequest)request, (HttpServletResponse)response);
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141 else
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142 {
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143 String query=_dQuery;
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144
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145 if (query!=null)
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146 {
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147 // force parameter extraction
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148 if (old_params==null)
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149 {
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150 baseRequest.extractParameters();
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151 old_params=baseRequest.getParameters();
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152 }
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153
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154 MultiMap parameters=new MultiMap();
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155 UrlEncoded.decodeTo(query,parameters,baseRequest.getCharacterEncoding());
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156
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157 if (old_params!=null && old_params.size()>0)
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158 {
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159 // Merge parameters.
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160 Iterator iter = old_params.entrySet().iterator();
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161 while (iter.hasNext())
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162 {
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163 Map.Entry entry = (Map.Entry)iter.next();
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164 String name=(String)entry.getKey();
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165 Object values=entry.getValue();
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166 for (int i=0;i<LazyList.size(values);i++)
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167 parameters.add(name, LazyList.get(values, i));
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168 }
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169 }
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170 baseRequest.setParameters(parameters);
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171 }
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172
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173 IncludeAttributes attr = new IncludeAttributes(old_attr);
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174
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175 attr._requestURI=_uri;
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176 attr._contextPath=_contextHandler.getContextPath();
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177 attr._servletPath=null; // set by ServletHandler
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178 attr._pathInfo=_path;
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179 attr._query=query;
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180
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181 baseRequest.setAttributes(attr);
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182
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183 _contextHandler.handle(_path,baseRequest, (HttpServletRequest)request, (HttpServletResponse)response);
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184 }
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185 }
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186 finally
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187 {
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188 baseRequest.setAttributes(old_attr);
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189 baseRequest.getConnection().included();
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190 baseRequest.setParameters(old_params);
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191 baseRequest.setDispatcherType(old_type);
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192 }
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193 }
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194
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195
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196 /* ------------------------------------------------------------ */
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197 /*
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198 * @see javax.servlet.RequestDispatcher#forward(javax.servlet.ServletRequest, javax.servlet.ServletResponse)
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199 */
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200 protected void forward(ServletRequest request, ServletResponse response, DispatcherType dispatch) throws ServletException, IOException
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201 {
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202 Request baseRequest=(request instanceof Request)?((Request)request):AbstractHttpConnection.getCurrentConnection().getRequest();
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203 Response base_response=baseRequest.getResponse();
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204 response.resetBuffer();
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205 base_response.fwdReset();
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206
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207
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208 if (!(request instanceof HttpServletRequest))
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209 request = new ServletRequestHttpWrapper(request);
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210 if (!(response instanceof HttpServletResponse))
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211 response = new ServletResponseHttpWrapper(response);
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212
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213 final boolean old_handled=baseRequest.isHandled();
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214 final String old_uri=baseRequest.getRequestURI();
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215 final String old_context_path=baseRequest.getContextPath();
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216 final String old_servlet_path=baseRequest.getServletPath();
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217 final String old_path_info=baseRequest.getPathInfo();
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218 final String old_query=baseRequest.getQueryString();
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219 final Attributes old_attr=baseRequest.getAttributes();
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220 final DispatcherType old_type=baseRequest.getDispatcherType();
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221 MultiMap<String> old_params=baseRequest.getParameters();
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222
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223 try
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224 {
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225 baseRequest.setHandled(false);
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226 baseRequest.setDispatcherType(dispatch);
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227
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228 if (_named!=null)
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229 _contextHandler.handle(_named,baseRequest, (HttpServletRequest)request, (HttpServletResponse)response);
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230 else
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231 {
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232
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233 // process any query string from the dispatch URL
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234 String query=_dQuery;
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235 if (query!=null)
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236 {
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237 // force parameter extraction
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238 if (old_params==null)
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239 {
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240 baseRequest.extractParameters();
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241 old_params=baseRequest.getParameters();
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242 }
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243
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244 baseRequest.mergeQueryString(query);
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245 }
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246
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247 ForwardAttributes attr = new ForwardAttributes(old_attr);
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248
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249 //If we have already been forwarded previously, then keep using the established
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250 //original value. Otherwise, this is the first forward and we need to establish the values.
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251 //Note: the established value on the original request for pathInfo and
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252 //for queryString is allowed to be null, but cannot be null for the other values.
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253 if (old_attr.getAttribute(FORWARD_REQUEST_URI) != null)
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254 {
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255 attr._pathInfo=(String)old_attr.getAttribute(FORWARD_PATH_INFO);
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256 attr._query=(String)old_attr.getAttribute(FORWARD_QUERY_STRING);
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257 attr._requestURI=(String)old_attr.getAttribute(FORWARD_REQUEST_URI);
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258 attr._contextPath=(String)old_attr.getAttribute(FORWARD_CONTEXT_PATH);
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259 attr._servletPath=(String)old_attr.getAttribute(FORWARD_SERVLET_PATH);
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260 }
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261 else
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262 {
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263 attr._pathInfo=old_path_info;
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264 attr._query=old_query;
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265 attr._requestURI=old_uri;
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266 attr._contextPath=old_context_path;
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267 attr._servletPath=old_servlet_path;
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268 }
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269
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270 baseRequest.setRequestURI(_uri);
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271 baseRequest.setContextPath(_contextHandler.getContextPath());
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272 baseRequest.setServletPath(null);
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273 baseRequest.setPathInfo(_uri);
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274 baseRequest.setAttributes(attr);
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275
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276 _contextHandler.handle(_path,baseRequest, (HttpServletRequest)request, (HttpServletResponse)response);
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277
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278 if (!baseRequest.getAsyncContinuation().isAsyncStarted())
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279 commitResponse(response,baseRequest);
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280 }
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281 }
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282 finally
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283 {
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284 baseRequest.setHandled(old_handled);
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285 baseRequest.setRequestURI(old_uri);
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286 baseRequest.setContextPath(old_context_path);
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287 baseRequest.setServletPath(old_servlet_path);
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288 baseRequest.setPathInfo(old_path_info);
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289 baseRequest.setAttributes(old_attr);
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290 baseRequest.setParameters(old_params);
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291 baseRequest.setQueryString(old_query);
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292 baseRequest.setDispatcherType(old_type);
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293 }
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294 }
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295
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296
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297 /* ------------------------------------------------------------ */
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298 private void commitResponse(ServletResponse response, Request baseRequest) throws IOException
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299 {
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300 if (baseRequest.getResponse().isWriting())
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301 {
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302 try
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303 {
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304 response.getWriter().close();
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305 }
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306 catch (IllegalStateException e)
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307 {
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308 response.getOutputStream().close();
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309 }
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310 }
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311 else
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312 {
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313 try
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314 {
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315 response.getOutputStream().close();
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316 }
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317 catch (IllegalStateException e)
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318 {
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319 response.getWriter().close();
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320 }
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321 }
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322 }
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323
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324
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325 /* ------------------------------------------------------------ */
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326 /* ------------------------------------------------------------ */
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327 /* ------------------------------------------------------------ */
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328 private class ForwardAttributes implements Attributes
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329 {
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330 final Attributes _attr;
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331
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diff changeset
332 String _requestURI;
3428c60d7cfc replace jetty jars with source
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parents:
diff changeset
333 String _contextPath;
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parents:
diff changeset
334 String _servletPath;
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parents:
diff changeset
335 String _pathInfo;
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parents:
diff changeset
336 String _query;
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parents:
diff changeset
337
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parents:
diff changeset
338 ForwardAttributes(Attributes attributes)
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parents:
diff changeset
339 {
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parents:
diff changeset
340 _attr=attributes;
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parents:
diff changeset
341 }
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parents:
diff changeset
342
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parents:
diff changeset
343 /* ------------------------------------------------------------ */
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diff changeset
344 public Object getAttribute(String key)
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parents:
diff changeset
345 {
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parents:
diff changeset
346 if (Dispatcher.this._named==null)
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parents:
diff changeset
347 {
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parents:
diff changeset
348 if (key.equals(FORWARD_PATH_INFO))
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parents:
diff changeset
349 return _pathInfo;
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parents:
diff changeset
350 if (key.equals(FORWARD_REQUEST_URI))
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parents:
diff changeset
351 return _requestURI;
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parents:
diff changeset
352 if (key.equals(FORWARD_SERVLET_PATH))
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diff changeset
353 return _servletPath;
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parents:
diff changeset
354 if (key.equals(FORWARD_CONTEXT_PATH))
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parents:
diff changeset
355 return _contextPath;
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parents:
diff changeset
356 if (key.equals(FORWARD_QUERY_STRING))
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diff changeset
357 return _query;
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parents:
diff changeset
358 }
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parents:
diff changeset
359
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parents:
diff changeset
360 if (key.startsWith(__INCLUDE_PREFIX))
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parents:
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361 return null;
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parents:
diff changeset
362
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parents:
diff changeset
363 return _attr.getAttribute(key);
3428c60d7cfc replace jetty jars with source
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parents:
diff changeset
364 }
3428c60d7cfc replace jetty jars with source
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parents:
diff changeset
365
3428c60d7cfc replace jetty jars with source
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parents:
diff changeset
366 /* ------------------------------------------------------------ */
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parents:
diff changeset
367 public Enumeration getAttributeNames()
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parents:
diff changeset
368 {
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parents:
diff changeset
369 HashSet set=new HashSet();
3428c60d7cfc replace jetty jars with source
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parents:
diff changeset
370 Enumeration e=_attr.getAttributeNames();
3428c60d7cfc replace jetty jars with source
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parents:
diff changeset
371 while(e.hasMoreElements())
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
372 {
3428c60d7cfc replace jetty jars with source
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parents:
diff changeset
373 String name=(String)e.nextElement();
3428c60d7cfc replace jetty jars with source
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parents:
diff changeset
374 if (!name.startsWith(__INCLUDE_PREFIX) &&
3428c60d7cfc replace jetty jars with source
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parents:
diff changeset
375 !name.startsWith(__FORWARD_PREFIX))
3428c60d7cfc replace jetty jars with source
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parents:
diff changeset
376 set.add(name);
3428c60d7cfc replace jetty jars with source
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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
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parents:
diff changeset
379 if (_named==null)
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Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
380 {
3428c60d7cfc replace jetty jars with source
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parents:
diff changeset
381 if (_pathInfo!=null)
3428c60d7cfc replace jetty jars with source
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parents:
diff changeset
382 set.add(FORWARD_PATH_INFO);
3428c60d7cfc replace jetty jars with source
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parents:
diff changeset
383 else
3428c60d7cfc replace jetty jars with source
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parents:
diff changeset
384 set.remove(FORWARD_PATH_INFO);
3428c60d7cfc replace jetty jars with source
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parents:
diff changeset
385 set.add(FORWARD_REQUEST_URI);
3428c60d7cfc replace jetty jars with source
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parents:
diff changeset
386 set.add(FORWARD_SERVLET_PATH);
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
387 set.add(FORWARD_CONTEXT_PATH);
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
388 if (_query!=null)
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
389 set.add(FORWARD_QUERY_STRING);
3428c60d7cfc replace jetty jars with source
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parents:
diff changeset
390 else
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
391 set.remove(FORWARD_QUERY_STRING);
3428c60d7cfc replace jetty jars with source
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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 return Collections.enumeration(set);
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
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
397 /* ------------------------------------------------------------ */
3428c60d7cfc replace jetty jars with source
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parents:
diff changeset
398 public void setAttribute(String key, Object value)
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 if (_named==null && key.startsWith("javax.servlet."))
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 if (key.equals(FORWARD_PATH_INFO))
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
403 _pathInfo=(String)value;
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
404 else if (key.equals(FORWARD_REQUEST_URI))
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
405 _requestURI=(String)value;
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
406 else if (key.equals(FORWARD_SERVLET_PATH))
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
407 _servletPath=(String)value;
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
408 else if (key.equals(FORWARD_CONTEXT_PATH))
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
409 _contextPath=(String)value;
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
410 else if (key.equals(FORWARD_QUERY_STRING))
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
411 _query=(String)value;
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
412
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
413 else if (value==null)
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
414 _attr.removeAttribute(key);
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
415 else
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
416 _attr.setAttribute(key,value);
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 else if (value==null)
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
419 _attr.removeAttribute(key);
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
420 else
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
421 _attr.setAttribute(key,value);
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
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
424 /* ------------------------------------------------------------ */
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
425 @Override
3428c60d7cfc replace jetty jars with source
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parents:
diff changeset
426 public String toString()
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 return "FORWARD+"+_attr.toString();
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
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 public void clearAttributes()
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 throw new IllegalStateException();
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
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
437 /* ------------------------------------------------------------ */
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
438 public void removeAttribute(String name)
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
439 {
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
440 setAttribute(name,null);
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
441 }
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
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 private class IncludeAttributes implements Attributes
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 final Attributes _attr;
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
448
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
449 String _requestURI;
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
450 String _contextPath;
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
451 String _servletPath;
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
452 String _pathInfo;
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
453 String _query;
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 IncludeAttributes(Attributes attributes)
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
456 {
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
457 _attr=attributes;
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
458 }
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
459
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
460 /* ------------------------------------------------------------ */
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
461 /* ------------------------------------------------------------ */
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
462 /* ------------------------------------------------------------ */
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
463 public Object getAttribute(String key)
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
464 {
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
465 if (Dispatcher.this._named==null)
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
466 {
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
467 if (key.equals(INCLUDE_PATH_INFO)) return _pathInfo;
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
468 if (key.equals(INCLUDE_SERVLET_PATH)) return _servletPath;
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
469 if (key.equals(INCLUDE_CONTEXT_PATH)) return _contextPath;
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
470 if (key.equals(INCLUDE_QUERY_STRING)) return _query;
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
471 if (key.equals(INCLUDE_REQUEST_URI)) return _requestURI;
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
472 }
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
473 else if (key.startsWith(__INCLUDE_PREFIX))
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
474 return null;
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
475
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
476
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
477 return _attr.getAttribute(key);
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
478 }
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
479
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 public Enumeration getAttributeNames()
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 HashSet set=new HashSet();
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
484 Enumeration e=_attr.getAttributeNames();
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
485 while(e.hasMoreElements())
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
486 {
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
487 String name=(String)e.nextElement();
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
488 if (!name.startsWith(__INCLUDE_PREFIX))
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
489 set.add(name);
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
490 }
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 if (_named==null)
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 if (_pathInfo!=null)
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
495 set.add(INCLUDE_PATH_INFO);
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
496 else
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
497 set.remove(INCLUDE_PATH_INFO);
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
498 set.add(INCLUDE_REQUEST_URI);
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
499 set.add(INCLUDE_SERVLET_PATH);
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
500 set.add(INCLUDE_CONTEXT_PATH);
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
501 if (_query!=null)
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
502 set.add(INCLUDE_QUERY_STRING);
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
503 else
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504 set.remove(INCLUDE_QUERY_STRING);
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505 }
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506
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507 return Collections.enumeration(set);
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508 }
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509
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510 /* ------------------------------------------------------------ */
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511 public void setAttribute(String key, Object value)
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512 {
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513 if (_named==null && key.startsWith("javax.servlet."))
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514 {
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515 if (key.equals(INCLUDE_PATH_INFO)) _pathInfo=(String)value;
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516 else if (key.equals(INCLUDE_REQUEST_URI)) _requestURI=(String)value;
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517 else if (key.equals(INCLUDE_SERVLET_PATH)) _servletPath=(String)value;
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518 else if (key.equals(INCLUDE_CONTEXT_PATH)) _contextPath=(String)value;
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519 else if (key.equals(INCLUDE_QUERY_STRING)) _query=(String)value;
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520 else if (value==null)
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521 _attr.removeAttribute(key);
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522 else
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523 _attr.setAttribute(key,value);
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524 }
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525 else if (value==null)
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526 _attr.removeAttribute(key);
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527 else
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528 _attr.setAttribute(key,value);
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529 }
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530
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531 /* ------------------------------------------------------------ */
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532 @Override
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533 public String toString()
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534 {
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535 return "INCLUDE+"+_attr.toString();
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536 }
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537
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538 /* ------------------------------------------------------------ */
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539 public void clearAttributes()
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540 {
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541 throw new IllegalStateException();
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542 }
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543
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544 /* ------------------------------------------------------------ */
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545 public void removeAttribute(String name)
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546 {
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547 setAttribute(name,null);
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548 }
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549 }
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550 }