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annotate src/org/eclipse/jetty/http/PathMap.java @ 830:7c737c376bc3

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author Franklin Schmidt <fschmidt@gmail.com>
date Thu, 15 Sep 2016 18:30:38 -0600
parents 3428c60d7cfc
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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.Externalizable;
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22 import java.util.Collections;
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23 import java.util.HashMap;
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24 import java.util.List;
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25 import java.util.Map;
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26 import java.util.Set;
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27 import java.util.StringTokenizer;
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28
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29 import org.eclipse.jetty.util.LazyList;
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30 import org.eclipse.jetty.util.StringMap;
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31 import org.eclipse.jetty.util.URIUtil;
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32
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33 /* ------------------------------------------------------------ */
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34 /** URI path map to Object.
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35 * This mapping implements the path specification recommended
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36 * in the 2.2 Servlet API.
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37 *
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38 * Path specifications can be of the following forms:<PRE>
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39 * /foo/bar - an exact path specification.
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40 * /foo/* - a prefix path specification (must end '/*').
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41 * *.ext - a suffix path specification.
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42 * / - the default path specification.
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43 * </PRE>
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44 * Matching is performed in the following order <NL>
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45 * <LI>Exact match.
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46 * <LI>Longest prefix match.
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47 * <LI>Longest suffix match.
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48 * <LI>default.
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49 * </NL>
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50 * Multiple path specifications can be mapped by providing a list of
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51 * specifications. By default this class uses characters ":," as path
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52 * separators, unless configured differently by calling the static
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53 * method @see PathMap#setPathSpecSeparators(String)
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54 * <P>
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55 * Special characters within paths such as '?� and ';' are not treated specially
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56 * as it is assumed they would have been either encoded in the original URL or
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57 * stripped from the path.
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58 * <P>
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59 * This class is not synchronized. If concurrent modifications are
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60 * possible then it should be synchronized at a higher level.
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61 *
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62 *
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63 */
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64 public class PathMap extends HashMap implements Externalizable
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65 {
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66 /* ------------------------------------------------------------ */
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67 private static String __pathSpecSeparators = ":,";
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68
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69 /* ------------------------------------------------------------ */
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70 /** Set the path spec separator.
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71 * Multiple path specification may be included in a single string
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72 * if they are separated by the characters set in this string.
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73 * By default this class uses ":," characters as path separators.
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74 * @param s separators
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75 */
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76 public static void setPathSpecSeparators(String s)
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77 {
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78 __pathSpecSeparators=s;
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79 }
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80
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81 /* --------------------------------------------------------------- */
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82 final StringMap _prefixMap=new StringMap();
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83 final StringMap _suffixMap=new StringMap();
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84 final StringMap _exactMap=new StringMap();
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85
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86 List _defaultSingletonList=null;
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87 Entry _prefixDefault=null;
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88 Entry _default=null;
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89 final Set _entrySet;
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90 boolean _nodefault=false;
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91
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92 /* --------------------------------------------------------------- */
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93 /** Construct empty PathMap.
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94 */
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95 public PathMap()
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96 {
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97 super(11);
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98 _entrySet=entrySet();
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99 }
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100
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101 /* --------------------------------------------------------------- */
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102 /** Construct empty PathMap.
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103 */
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104 public PathMap(boolean nodefault)
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105 {
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106 super(11);
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107 _entrySet=entrySet();
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108 _nodefault=nodefault;
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109 }
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110
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111 /* --------------------------------------------------------------- */
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112 /** Construct empty PathMap.
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113 */
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114 public PathMap(int capacity)
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115 {
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116 super (capacity);
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117 _entrySet=entrySet();
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118 }
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119
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120 /* --------------------------------------------------------------- */
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121 /** Construct from dictionary PathMap.
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122 */
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123 public PathMap(Map m)
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124 {
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125 putAll(m);
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126 _entrySet=entrySet();
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127 }
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128
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129 /* ------------------------------------------------------------ */
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130 public void writeExternal(java.io.ObjectOutput out)
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131 throws java.io.IOException
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132 {
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133 HashMap map = new HashMap(this);
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134 out.writeObject(map);
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135 }
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136
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137 /* ------------------------------------------------------------ */
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138 public void readExternal(java.io.ObjectInput in)
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139 throws java.io.IOException, ClassNotFoundException
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140 {
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141 HashMap map = (HashMap)in.readObject();
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142 this.putAll(map);
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143 }
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144
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145 /* --------------------------------------------------------------- */
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146 /** Add a single path match to the PathMap.
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147 * @param pathSpec The path specification, or comma separated list of
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148 * path specifications.
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149 * @param object The object the path maps to
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150 */
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151 @Override
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152 public Object put(Object pathSpec, Object object)
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153 {
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154 String str = pathSpec.toString();
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155 if ("".equals(str.trim()))
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156 {
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157 Entry entry = new Entry("",object);
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158 entry.setMapped("");
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159 _exactMap.put("", entry);
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160 return super.put("", object);
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161 }
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162
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163 StringTokenizer tok = new StringTokenizer(str,__pathSpecSeparators);
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164 Object old =null;
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165
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166 while (tok.hasMoreTokens())
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167 {
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168 String spec=tok.nextToken();
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169
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170 if (!spec.startsWith("/") && !spec.startsWith("*."))
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171 throw new IllegalArgumentException("PathSpec "+spec+". must start with '/' or '*.'");
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172
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173 old = super.put(spec,object);
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174
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175 // Make entry that was just created.
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176 Entry entry = new Entry(spec,object);
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177
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178 if (entry.getKey().equals(spec))
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179 {
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180 if (spec.equals("/*"))
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181 _prefixDefault=entry;
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182 else if (spec.endsWith("/*"))
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183 {
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184 String mapped=spec.substring(0,spec.length()-2);
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185 entry.setMapped(mapped);
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186 _prefixMap.put(mapped,entry);
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187 _exactMap.put(mapped,entry);
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188 _exactMap.put(spec.substring(0,spec.length()-1),entry);
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189 }
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190 else if (spec.startsWith("*."))
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191 _suffixMap.put(spec.substring(2),entry);
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192 else if (spec.equals(URIUtil.SLASH))
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193 {
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194 if (_nodefault)
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195 _exactMap.put(spec,entry);
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196 else
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197 {
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198 _default=entry;
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199 _defaultSingletonList=
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200 Collections.singletonList(_default);
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201 }
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202 }
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203 else
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204 {
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205 entry.setMapped(spec);
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206 _exactMap.put(spec,entry);
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207 }
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208 }
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209 }
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210
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211 return old;
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212 }
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213
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214 /* ------------------------------------------------------------ */
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215 /** Get object matched by the path.
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216 * @param path the path.
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217 * @return Best matched object or null.
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218 */
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219 public Object match(String path)
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220 {
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221 Map.Entry entry = getMatch(path);
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222 if (entry!=null)
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223 return entry.getValue();
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224 return null;
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225 }
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226
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227
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228 /* --------------------------------------------------------------- */
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229 /** Get the entry mapped by the best specification.
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230 * @param path the path.
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231 * @return Map.Entry of the best matched or null.
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232 */
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233 public Entry getMatch(String path)
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234 {
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235 Map.Entry entry=null;
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236
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237 if (path==null)
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238 return null;
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239
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240 int l=path.length();
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241
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242 //special case
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243 if (l == 1 && path.charAt(0)=='/')
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244 {
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245 entry = (Map.Entry)_exactMap.get("");
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246 if (entry != null)
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247 return (Entry)entry;
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248 }
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249
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250 // try exact match
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251 entry=_exactMap.getEntry(path,0,l);
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252 if (entry!=null)
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253 return (Entry) entry.getValue();
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254
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255 // prefix search
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256 int i=l;
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257 while((i=path.lastIndexOf('/',i-1))>=0)
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258 {
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259 entry=_prefixMap.getEntry(path,0,i);
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260 if (entry!=null)
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261 return (Entry) entry.getValue();
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262 }
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263
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264 // Prefix Default
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265 if (_prefixDefault!=null)
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266 return _prefixDefault;
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267
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268 // Extension search
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269 i=0;
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270 while ((i=path.indexOf('.',i+1))>0)
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271 {
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272 entry=_suffixMap.getEntry(path,i+1,l-i-1);
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273 if (entry!=null)
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274 return (Entry) entry.getValue();
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275 }
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276
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277 // Default
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278 return _default;
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279 }
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280
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281 /* --------------------------------------------------------------- */
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282 /** Get all entries matched by the path.
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283 * Best match first.
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284 * @param path Path to match
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285 * @return LazyList of Map.Entry instances key=pathSpec
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286 */
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287 public Object getLazyMatches(String path)
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288 {
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289 Map.Entry entry;
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290 Object entries=null;
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291
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292 if (path==null)
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293 return LazyList.getList(entries);
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294
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295 int l=path.length();
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296
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297 // try exact match
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298 entry=_exactMap.getEntry(path,0,l);
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299 if (entry!=null)
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300 entries=LazyList.add(entries,entry.getValue());
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301
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302 // prefix search
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303 int i=l-1;
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304 while((i=path.lastIndexOf('/',i-1))>=0)
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305 {
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306 entry=_prefixMap.getEntry(path,0,i);
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307 if (entry!=null)
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308 entries=LazyList.add(entries,entry.getValue());
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309 }
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310
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311 // Prefix Default
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312 if (_prefixDefault!=null)
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313 entries=LazyList.add(entries,_prefixDefault);
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314
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315 // Extension search
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316 i=0;
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317 while ((i=path.indexOf('.',i+1))>0)
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318 {
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319 entry=_suffixMap.getEntry(path,i+1,l-i-1);
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320 if (entry!=null)
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321 entries=LazyList.add(entries,entry.getValue());
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322 }
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323
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324 // Default
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325 if (_default!=null)
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326 {
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327 // Optimization for just the default
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328 if (entries==null)
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329 return _defaultSingletonList;
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330
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331 entries=LazyList.add(entries,_default);
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332 }
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333
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334 return entries;
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335 }
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336
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337 /* --------------------------------------------------------------- */
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338 /** Get all entries matched by the path.
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parents:
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339 * Best match first.
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diff changeset
340 * @param path Path to match
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341 * @return List of Map.Entry instances key=pathSpec
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342 */
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343 public List getMatches(String path)
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344 {
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345 return LazyList.getList(getLazyMatches(path));
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346 }
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347
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parents:
diff changeset
348 /* --------------------------------------------------------------- */
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349 /** Return whether the path matches any entries in the PathMap,
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350 * excluding the default entry
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351 * @param path Path to match
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352 * @return Whether the PathMap contains any entries that match this
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353 */
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354 public boolean containsMatch(String path)
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355 {
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diff changeset
356 Entry match = getMatch(path);
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357 return match!=null && !match.equals(_default);
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358 }
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parents:
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359
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parents:
diff changeset
360 /* --------------------------------------------------------------- */
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parents:
diff changeset
361 @Override
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diff changeset
362 public Object remove(Object pathSpec)
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parents:
diff changeset
363 {
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parents:
diff changeset
364 if (pathSpec!=null)
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parents:
diff changeset
365 {
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parents:
diff changeset
366 String spec=(String) pathSpec;
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diff changeset
367 if (spec.equals("/*"))
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parents:
diff changeset
368 _prefixDefault=null;
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369 else if (spec.endsWith("/*"))
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parents:
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370 {
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parents:
diff changeset
371 _prefixMap.remove(spec.substring(0,spec.length()-2));
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parents:
diff changeset
372 _exactMap.remove(spec.substring(0,spec.length()-1));
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parents:
diff changeset
373 _exactMap.remove(spec.substring(0,spec.length()-2));
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374 }
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diff changeset
375 else if (spec.startsWith("*."))
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parents:
diff changeset
376 _suffixMap.remove(spec.substring(2));
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parents:
diff changeset
377 else if (spec.equals(URIUtil.SLASH))
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parents:
diff changeset
378 {
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diff changeset
379 _default=null;
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diff changeset
380 _defaultSingletonList=null;
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parents:
diff changeset
381 }
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parents:
diff changeset
382 else
3428c60d7cfc replace jetty jars with source
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diff changeset
383 _exactMap.remove(spec);
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parents:
diff changeset
384 }
3428c60d7cfc replace jetty jars with source
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parents:
diff changeset
385 return super.remove(pathSpec);
3428c60d7cfc replace jetty jars with source
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parents:
diff changeset
386 }
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
387
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
388 /* --------------------------------------------------------------- */
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parents:
diff changeset
389 @Override
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parents:
diff changeset
390 public void clear()
3428c60d7cfc replace jetty jars with source
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parents:
diff changeset
391 {
3428c60d7cfc replace jetty jars with source
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parents:
diff changeset
392 _exactMap.clear();
3428c60d7cfc replace jetty jars with source
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parents:
diff changeset
393 _prefixMap.clear();
3428c60d7cfc replace jetty jars with source
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parents:
diff changeset
394 _suffixMap.clear();
3428c60d7cfc replace jetty jars with source
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parents:
diff changeset
395 _default=null;
3428c60d7cfc replace jetty jars with source
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parents:
diff changeset
396 _defaultSingletonList=null;
3428c60d7cfc replace jetty jars with source
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parents:
diff changeset
397 super.clear();
3428c60d7cfc replace jetty jars with source
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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 /* --------------------------------------------------------------- */
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 true if match.
3428c60d7cfc replace jetty jars with source
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parents:
diff changeset
403 */
3428c60d7cfc replace jetty jars with source
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parents:
diff changeset
404 public static boolean match(String pathSpec, String path)
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
405 throws IllegalArgumentException
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
406 {
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
407 return match(pathSpec, path, false);
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 /* --------------------------------------------------------------- */
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 * @return true if match.
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
413 */
3428c60d7cfc replace jetty jars with source
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parents:
diff changeset
414 public static boolean match(String pathSpec, String path, boolean noDefault)
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
415 throws IllegalArgumentException
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
416 {
3428c60d7cfc replace jetty jars with source
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parents:
diff changeset
417 if (pathSpec.length()==0)
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
418 return "/".equals(path);
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
419
3428c60d7cfc replace jetty jars with source
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parents:
diff changeset
420 char c = pathSpec.charAt(0);
3428c60d7cfc replace jetty jars with source
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parents:
diff changeset
421 if (c=='/')
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 (!noDefault && pathSpec.length()==1 || pathSpec.equals(path))
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
424 return true;
3428c60d7cfc replace jetty jars with source
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parents:
diff changeset
425
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
426 if(isPathWildcardMatch(pathSpec, path))
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
427 return true;
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 else if (c=='*')
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
430 return path.regionMatches(path.length()-pathSpec.length()+1,
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
431 pathSpec,1,pathSpec.length()-1);
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
432 return false;
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
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 private static boolean isPathWildcardMatch(String pathSpec, String path)
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 // For a spec of "/foo/*" match "/foo" , "/foo/..." but not "/foobar"
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
439 int cpl=pathSpec.length()-2;
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
440 if (pathSpec.endsWith("/*") && path.regionMatches(0,pathSpec,0,cpl))
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 if (path.length()==cpl || '/'==path.charAt(cpl))
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
443 return true;
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 return false;
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
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 /* --------------------------------------------------------------- */
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
450 /** Return the portion of a path that matches a path spec.
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
451 * @return null if no match at all.
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 public static String pathMatch(String pathSpec, String path)
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 char c = pathSpec.charAt(0);
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 if (c=='/')
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 if (pathSpec.length()==1)
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
460 return path;
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 if (pathSpec.equals(path))
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
463 return path;
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 (isPathWildcardMatch(pathSpec, path))
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
466 return path.substring(0,pathSpec.length()-2);
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
467 }
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
468 else if (c=='*')
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 if (path.regionMatches(path.length()-(pathSpec.length()-1),
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
471 pathSpec,1,pathSpec.length()-1))
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
472 return path;
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 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 /* --------------------------------------------------------------- */
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
478 /** Return the portion of a path that is after a path spec.
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
479 * @return The path info string
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 static String pathInfo(String pathSpec, String path)
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 if ("".equals(pathSpec))
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
484 return path; //servlet 3 spec sec 12.2 will be '/'
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 char c = pathSpec.charAt(0);
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 if (c=='/')
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 if (pathSpec.length()==1)
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
491 return null;
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 boolean wildcard = isPathWildcardMatch(pathSpec, path);
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 // handle the case where pathSpec uses a wildcard and path info is "/*"
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
496 if (pathSpec.equals(path) && !wildcard)
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
497 return null;
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
498
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
499 if (wildcard)
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
500 {
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
501 if (path.length()==pathSpec.length()-2)
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
502 return null;
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
503 return path.substring(pathSpec.length()-2);
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 return null;
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
507 }
3428c60d7cfc replace jetty jars with source
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508
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509
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510 /* ------------------------------------------------------------ */
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511 /** Relative path.
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512 * @param base The base the path is relative to.
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513 * @param pathSpec The spec of the path segment to ignore.
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514 * @param path the additional path
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515 * @return base plus path with pathspec removed
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516 */
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517 public static String relativePath(String base,
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518 String pathSpec,
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519 String path )
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520 {
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521 String info=pathInfo(pathSpec,path);
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522 if (info==null)
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523 info=path;
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524
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525 if( info.startsWith( "./"))
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526 info = info.substring( 2);
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527 if( base.endsWith( URIUtil.SLASH))
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528 if( info.startsWith( URIUtil.SLASH))
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529 path = base + info.substring(1);
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530 else
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531 path = base + info;
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532 else
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533 if( info.startsWith( URIUtil.SLASH))
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534 path = base + info;
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535 else
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536 path = base + URIUtil.SLASH + info;
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537 return path;
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538 }
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539
3428c60d7cfc replace jetty jars with source
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parents:
diff changeset
540 /* ------------------------------------------------------------ */
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
541 /* ------------------------------------------------------------ */
3428c60d7cfc replace jetty jars with source
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parents:
diff changeset
542 /* ------------------------------------------------------------ */
3428c60d7cfc replace jetty jars with source
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diff changeset
543 public static class Entry implements Map.Entry
3428c60d7cfc replace jetty jars with source
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544 {
3428c60d7cfc replace jetty jars with source
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545 private final Object key;
3428c60d7cfc replace jetty jars with source
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546 private final Object value;
3428c60d7cfc replace jetty jars with source
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547 private String mapped;
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548 private transient String string;
3428c60d7cfc replace jetty jars with source
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parents:
diff changeset
549
3428c60d7cfc replace jetty jars with source
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diff changeset
550 Entry(Object key, Object value)
3428c60d7cfc replace jetty jars with source
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diff changeset
551 {
3428c60d7cfc replace jetty jars with source
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552 this.key=key;
3428c60d7cfc replace jetty jars with source
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553 this.value=value;
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parents:
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554 }
3428c60d7cfc replace jetty jars with source
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parents:
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555
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556 public Object getKey()
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557 {
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558 return key;
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559 }
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parents:
diff changeset
560
3428c60d7cfc replace jetty jars with source
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parents:
diff changeset
561 public Object getValue()
3428c60d7cfc replace jetty jars with source
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parents:
diff changeset
562 {
3428c60d7cfc replace jetty jars with source
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563 return value;
3428c60d7cfc replace jetty jars with source
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parents:
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564 }
3428c60d7cfc replace jetty jars with source
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parents:
diff changeset
565
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
566 public Object setValue(Object o)
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
567 {
3428c60d7cfc replace jetty jars with source
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diff changeset
568 throw new UnsupportedOperationException();
3428c60d7cfc replace jetty jars with source
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parents:
diff changeset
569 }
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
570
3428c60d7cfc replace jetty jars with source
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parents:
diff changeset
571 @Override
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parents:
diff changeset
572 public String toString()
3428c60d7cfc replace jetty jars with source
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parents:
diff changeset
573 {
3428c60d7cfc replace jetty jars with source
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parents:
diff changeset
574 if (string==null)
3428c60d7cfc replace jetty jars with source
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575 string=key+"="+value;
3428c60d7cfc replace jetty jars with source
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parents:
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576 return string;
3428c60d7cfc replace jetty jars with source
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parents:
diff changeset
577 }
3428c60d7cfc replace jetty jars with source
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parents:
diff changeset
578
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
579 public String getMapped()
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
580 {
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
581 return mapped;
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
582 }
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
583
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
584 void setMapped(String mapped)
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
585 {
3428c60d7cfc replace jetty jars with source
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parents:
diff changeset
586 this.mapped = mapped;
3428c60d7cfc replace jetty jars with source
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parents:
diff changeset
587 }
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
588 }
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
589 }