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annotate src/org/eclipse/jetty/util/resource/Resource.java @ 972:5ee36654b383

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simplify AbstractHttpConnection
author Franklin Schmidt <fschmidt@gmail.com>
date Sat, 15 Oct 2016 22:42:05 -0600
parents 7c737c376bc3
children 6939226e0ac4
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rev   line source
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1 //
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2 // ========================================================================
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3 // Copyright (c) 1995-2014 Mort Bay Consulting Pty. Ltd.
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4 // ------------------------------------------------------------------------
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5 // All rights reserved. This program and the accompanying materials
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6 // are made available under the terms of the Eclipse Public License v1.0
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7 // and Apache License v2.0 which accompanies this distribution.
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8 //
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9 // The Eclipse Public License is available at
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10 // http://www.eclipse.org/legal/epl-v10.html
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11 //
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12 // The Apache License v2.0 is available at
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13 // http://www.opensource.org/licenses/apache2.0.php
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14 //
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15 // You may elect to redistribute this code under either of these licenses.
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16 // ========================================================================
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17 //
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18
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19 package org.eclipse.jetty.util.resource;
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20
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21 import java.io.File;
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22 import java.io.FileOutputStream;
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23 import java.io.IOException;
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24 import java.io.InputStream;
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25 import java.io.OutputStream;
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26 import java.net.MalformedURLException;
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27 import java.net.URI;
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28 import java.net.URL;
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29 import java.net.URLConnection;
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30 import java.text.DateFormat;
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31 import java.util.Arrays;
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32 import java.util.Date;
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33
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34 import org.eclipse.jetty.util.IO;
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35 import org.eclipse.jetty.util.StringUtil;
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36 import org.eclipse.jetty.util.URIUtil;
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37 import org.slf4j.Logger;
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38 import org.slf4j.LoggerFactory;
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39
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40
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41 /* ------------------------------------------------------------ */
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42 /**
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43 * Abstract resource class.
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44 */
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45 public abstract class Resource implements ResourceFactory
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46 {
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47 private static final Logger LOG = LoggerFactory.getLogger(Resource.class);
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48 public static boolean __defaultUseCaches = true;
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49 volatile Object _associate;
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50
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51 /* ------------------------------------------------------------ */
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52 /**
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53 * Change the default setting for url connection caches.
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54 * Subsequent URLConnections will use this default.
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55 * @param useCaches
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56 */
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57 public static void setDefaultUseCaches (boolean useCaches)
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58 {
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59 __defaultUseCaches=useCaches;
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60 }
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61
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62 /* ------------------------------------------------------------ */
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63 public static boolean getDefaultUseCaches ()
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64 {
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65 return __defaultUseCaches;
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66 }
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67
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68 /* ------------------------------------------------------------ */
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69 /** Construct a resource from a uri.
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70 * @param uri A URI.
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71 * @return A Resource object.
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72 * @throws IOException Problem accessing URI
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73 */
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74 public static Resource newResource(URI uri)
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75 throws IOException
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76 {
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77 return newResource(uri.toURL());
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78 }
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79
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80 /* ------------------------------------------------------------ */
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81 /** Construct a resource from a url.
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82 * @param url A URL.
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83 * @return A Resource object.
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84 * @throws IOException Problem accessing URL
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85 */
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86 public static Resource newResource(URL url)
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87 throws IOException
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88 {
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89 return newResource(url, __defaultUseCaches);
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90 }
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91
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92 /* ------------------------------------------------------------ */
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93 /**
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94 * Construct a resource from a url.
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95 * @param url the url for which to make the resource
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96 * @param useCaches true enables URLConnection caching if applicable to the type of resource
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97 * @return
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98 */
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99 static Resource newResource(URL url, boolean useCaches)
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100 {
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101 if (url==null)
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102 return null;
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103
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104 String url_string=url.toExternalForm();
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105 if( url_string.startsWith( "file:"))
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106 {
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107 try
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108 {
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109 FileResource fileResource= new FileResource(url);
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110 return fileResource;
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111 }
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112 catch(Exception e)
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113 {
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114 LOG.debug("EXCEPTION",e);
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115 return new BadResource(url,e.toString());
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116 }
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117 }
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118 else if( url_string.startsWith( "jar:file:"))
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119 {
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120 return new JarFileResource(url, useCaches);
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121 }
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122 else if( url_string.startsWith( "jar:"))
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123 {
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124 return new JarResource(url, useCaches);
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125 }
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126
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127 return new URLResource(url,null,useCaches);
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128 }
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129
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131
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132 /* ------------------------------------------------------------ */
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133 /** Construct a resource from a string.
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134 * @param resource A URL or filename.
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135 * @return A Resource object.
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136 */
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137 public static Resource newResource(String resource)
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138 throws MalformedURLException, IOException
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139 {
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140 return newResource(resource, __defaultUseCaches);
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141 }
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142
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143 /* ------------------------------------------------------------ */
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144 /** Construct a resource from a string.
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145 * @param resource A URL or filename.
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146 * @param useCaches controls URLConnection caching
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147 * @return A Resource object.
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148 */
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149 public static Resource newResource (String resource, boolean useCaches)
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150 throws MalformedURLException, IOException
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151 {
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152 URL url=null;
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153 try
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154 {
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155 // Try to format as a URL?
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156 url = new URL(resource);
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157 }
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158 catch(MalformedURLException e)
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159 {
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160 if(!resource.startsWith("ftp:") &&
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diff changeset
161 !resource.startsWith("file:") &&
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diff changeset
162 !resource.startsWith("jar:"))
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163 {
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164 try
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165 {
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diff changeset
166 // It's a file.
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167 if (resource.startsWith("./"))
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diff changeset
168 resource=resource.substring(2);
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169
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170 File file=new File(resource).getCanonicalFile();
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diff changeset
171 url=Resource.toURL(file);
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172
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173 URLConnection connection=url.openConnection();
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174 connection.setUseCaches(useCaches);
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175 return new FileResource(url,connection,file);
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176 }
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177 catch(Exception e2)
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178 {
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179 LOG.debug("EXCEPTION",e2);
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180 throw e;
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181 }
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182 }
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183 else
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184 {
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185 LOG.warn("Bad Resource: "+resource);
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186 throw e;
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187 }
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188 }
802
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189
825
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190 return newResource(url);
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191 }
802
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192
825
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193 /* ------------------------------------------------------------ */
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194 public static Resource newResource (File file)
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195 throws MalformedURLException, IOException
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196 {
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197 file = file.getCanonicalFile();
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198 URL url = Resource.toURL(file);
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199
825
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200 URLConnection connection = url.openConnection();
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201 FileResource fileResource = new FileResource(url, connection, file);
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202 return fileResource;
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203 }
802
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204
825
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diff changeset
205 /* ------------------------------------------------------------ */
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diff changeset
206 /** Construct a system resource from a string.
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207 * The resource is tried as classloader resource before being
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208 * treated as a normal resource.
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209 * @param resource Resource as string representation
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210 * @return The new Resource
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211 * @throws IOException Problem accessing resource.
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212 */
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213 public static Resource newSystemResource(String resource)
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214 throws IOException
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diff changeset
215 {
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diff changeset
216 URL url=null;
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diff changeset
217 // Try to format as a URL?
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218 ClassLoader loader=Thread.currentThread().getContextClassLoader();
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219 if (loader!=null)
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220 {
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diff changeset
221 try
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diff changeset
222 {
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diff changeset
223 url = loader.getResource(resource);
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224 if (url == null && resource.startsWith("/"))
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225 url = loader.getResource(resource.substring(1));
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226 }
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diff changeset
227 catch (IllegalArgumentException e)
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228 {
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diff changeset
229 // Catches scenario where a bad Windows path like "C:\dev" is
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230 // improperly escaped, which various downstream classloaders
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diff changeset
231 // tend to have a problem with
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diff changeset
232 url = null;
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diff changeset
233 }
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diff changeset
234 }
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diff changeset
235 if (url==null)
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parents: 820
diff changeset
236 {
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diff changeset
237 loader=Resource.class.getClassLoader();
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diff changeset
238 if (loader!=null)
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diff changeset
239 {
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diff changeset
240 url=loader.getResource(resource);
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parents: 820
diff changeset
241 if (url==null && resource.startsWith("/"))
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diff changeset
242 url=loader.getResource(resource.substring(1));
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diff changeset
243 }
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diff changeset
244 }
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diff changeset
245
7fb7c1915788 remove jetty.util.B64Code
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diff changeset
246 if (url==null)
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diff changeset
247 {
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diff changeset
248 url=ClassLoader.getSystemResource(resource);
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diff changeset
249 if (url==null && resource.startsWith("/"))
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diff changeset
250 url=ClassLoader.getSystemResource(resource.substring(1));
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diff changeset
251 }
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diff changeset
252
7fb7c1915788 remove jetty.util.B64Code
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diff changeset
253 if (url==null)
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diff changeset
254 return null;
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diff changeset
255
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diff changeset
256 return newResource(url);
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diff changeset
257 }
802
3428c60d7cfc replace jetty jars with source
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diff changeset
258
825
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diff changeset
259 /* ------------------------------------------------------------ */
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diff changeset
260 public static boolean isContainedIn (Resource r, Resource containingResource) throws MalformedURLException
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parents: 820
diff changeset
261 {
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diff changeset
262 return r.isContainedIn(containingResource);
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parents: 820
diff changeset
263 }
802
3428c60d7cfc replace jetty jars with source
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parents:
diff changeset
264
825
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diff changeset
265 /* ------------------------------------------------------------ */
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diff changeset
266 @Override
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diff changeset
267 protected void finalize()
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diff changeset
268 {
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diff changeset
269 release();
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diff changeset
270 }
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diff changeset
271
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diff changeset
272 /* ------------------------------------------------------------ */
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diff changeset
273 public abstract boolean isContainedIn (Resource r) throws MalformedURLException;
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diff changeset
274
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diff changeset
275
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diff changeset
276 /* ------------------------------------------------------------ */
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diff changeset
277 /** Release any temporary resources held by the resource.
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diff changeset
278 */
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diff changeset
279 public abstract void release();
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diff changeset
280
802
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281
825
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diff changeset
282 /* ------------------------------------------------------------ */
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diff changeset
283 /**
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diff changeset
284 * Returns true if the respresened resource exists.
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diff changeset
285 */
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diff changeset
286 public abstract boolean exists();
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diff changeset
287
802
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288
825
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diff changeset
289 /* ------------------------------------------------------------ */
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diff changeset
290 /**
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diff changeset
291 * Returns true if the respresenetd resource is a container/directory.
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diff changeset
292 * If the resource is not a file, resources ending with "/" are
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diff changeset
293 * considered directories.
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diff changeset
294 */
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diff changeset
295 public abstract boolean isDirectory();
802
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diff changeset
296
825
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diff changeset
297 /* ------------------------------------------------------------ */
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diff changeset
298 /**
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diff changeset
299 * Returns the last modified time
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diff changeset
300 */
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diff changeset
301 public abstract long lastModified();
802
3428c60d7cfc replace jetty jars with source
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parents:
diff changeset
302
3428c60d7cfc replace jetty jars with source
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parents:
diff changeset
303
825
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parents: 820
diff changeset
304 /* ------------------------------------------------------------ */
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parents: 820
diff changeset
305 /**
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diff changeset
306 * Return the length of the resource
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parents: 820
diff changeset
307 */
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diff changeset
308 public abstract long length();
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diff changeset
309
802
3428c60d7cfc replace jetty jars with source
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parents:
diff changeset
310
825
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parents: 820
diff changeset
311 /* ------------------------------------------------------------ */
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parents: 820
diff changeset
312 /**
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diff changeset
313 * Returns an URL representing the given resource
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parents: 820
diff changeset
314 */
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parents: 820
diff changeset
315 public abstract URL getURL();
802
3428c60d7cfc replace jetty jars with source
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parents:
diff changeset
316
825
7fb7c1915788 remove jetty.util.B64Code
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diff changeset
317 /* ------------------------------------------------------------ */
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diff changeset
318 /**
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diff changeset
319 * Returns an URI representing the given resource
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parents: 820
diff changeset
320 */
7fb7c1915788 remove jetty.util.B64Code
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parents: 820
diff changeset
321 public URI getURI()
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parents: 820
diff changeset
322 {
7fb7c1915788 remove jetty.util.B64Code
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parents: 820
diff changeset
323 try
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324 {
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325 return getURL().toURI();
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326 }
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327 catch(Exception e)
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328 {
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329 throw new RuntimeException(e);
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330 }
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331 }
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332
802
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333
825
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334 /* ------------------------------------------------------------ */
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335 /**
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336 * Returns an File representing the given resource or NULL if this
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337 * is not possible.
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338 */
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339 public abstract File getFile()
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340 throws IOException;
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341
802
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342
825
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343 /* ------------------------------------------------------------ */
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344 /**
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345 * Returns the name of the resource
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346 */
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347 public abstract String getName();
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348
802
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349
825
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350 /* ------------------------------------------------------------ */
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351 /**
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352 * Returns an input stream to the resource
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353 */
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354 public abstract InputStream getInputStream()
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355 throws java.io.IOException;
802
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356
825
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357 /* ------------------------------------------------------------ */
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358 /**
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359 * Returns an output stream to the resource
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360 */
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361 public abstract OutputStream getOutputStream()
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362 throws java.io.IOException, SecurityException;
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diff changeset
363
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diff changeset
364 /* ------------------------------------------------------------ */
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365 /**
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diff changeset
366 * Deletes the given resource
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367 */
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368 public abstract boolean delete()
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diff changeset
369 throws SecurityException;
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370
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diff changeset
371 /* ------------------------------------------------------------ */
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diff changeset
372 /**
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diff changeset
373 * Rename the given resource
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374 */
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375 public abstract boolean renameTo( Resource dest)
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diff changeset
376 throws SecurityException;
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diff changeset
377
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diff changeset
378 /* ------------------------------------------------------------ */
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diff changeset
379 /**
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diff changeset
380 * Returns a list of resource names contained in the given resource
7fb7c1915788 remove jetty.util.B64Code
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diff changeset
381 * The resource names are not URL encoded.
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diff changeset
382 */
7fb7c1915788 remove jetty.util.B64Code
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diff changeset
383 public abstract String[] list();
802
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parents:
diff changeset
384
825
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diff changeset
385 /* ------------------------------------------------------------ */
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parents: 820
diff changeset
386 /**
7fb7c1915788 remove jetty.util.B64Code
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parents: 820
diff changeset
387 * Returns the resource contained inside the current resource with the
7fb7c1915788 remove jetty.util.B64Code
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diff changeset
388 * given name.
7fb7c1915788 remove jetty.util.B64Code
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diff changeset
389 * @param path The path segment to add, which should be encoded by the
7fb7c1915788 remove jetty.util.B64Code
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parents: 820
diff changeset
390 * encode method.
7fb7c1915788 remove jetty.util.B64Code
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parents: 820
diff changeset
391 */
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diff changeset
392 public abstract Resource addPath(String path)
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diff changeset
393 throws IOException,MalformedURLException;
802
3428c60d7cfc replace jetty jars with source
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parents:
diff changeset
394
825
7fb7c1915788 remove jetty.util.B64Code
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diff changeset
395 /* ------------------------------------------------------------ */
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diff changeset
396 /** Get a resource from withing this resource.
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diff changeset
397 * <p>
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diff changeset
398 * This method is essentially an alias for {@link #addPath(String)}, but without checked exceptions.
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parents: 820
diff changeset
399 * This method satisfied the {@link ResourceFactory} interface.
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diff changeset
400 * @see org.eclipse.jetty.util.resource.ResourceFactory#getResource(java.lang.String)
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diff changeset
401 */
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diff changeset
402 public Resource getResource(String path)
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parents: 820
diff changeset
403 {
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diff changeset
404 try
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diff changeset
405 {
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diff changeset
406 return addPath(path);
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diff changeset
407 }
7fb7c1915788 remove jetty.util.B64Code
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diff changeset
408 catch(Exception e)
7fb7c1915788 remove jetty.util.B64Code
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parents: 820
diff changeset
409 {
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diff changeset
410 LOG.debug("",e);
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diff changeset
411 return null;
7fb7c1915788 remove jetty.util.B64Code
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diff changeset
412 }
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diff changeset
413 }
802
3428c60d7cfc replace jetty jars with source
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414
825
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diff changeset
415 /* ------------------------------------------------------------ */
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diff changeset
416 /** Encode according to this resource type.
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diff changeset
417 * The default implementation calls URI.encodePath(uri)
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diff changeset
418 * @param uri
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diff changeset
419 * @return String encoded for this resource type.
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diff changeset
420 */
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diff changeset
421 public String encode(String uri)
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diff changeset
422 {
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diff changeset
423 return URIUtil.encodePath(uri);
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diff changeset
424 }
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diff changeset
425
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diff changeset
426 /* ------------------------------------------------------------ */
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parents: 820
diff changeset
427 public Object getAssociate()
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parents: 820
diff changeset
428 {
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diff changeset
429 return _associate;
7fb7c1915788 remove jetty.util.B64Code
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parents: 820
diff changeset
430 }
802
3428c60d7cfc replace jetty jars with source
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parents:
diff changeset
431
825
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parents: 820
diff changeset
432 /* ------------------------------------------------------------ */
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diff changeset
433 public void setAssociate(Object o)
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parents: 820
diff changeset
434 {
7fb7c1915788 remove jetty.util.B64Code
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parents: 820
diff changeset
435 _associate=o;
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parents: 820
diff changeset
436 }
7fb7c1915788 remove jetty.util.B64Code
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parents: 820
diff changeset
437
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diff changeset
438 /* ------------------------------------------------------------ */
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parents: 820
diff changeset
439 /**
7fb7c1915788 remove jetty.util.B64Code
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diff changeset
440 * @return The canonical Alias of this resource or null if none.
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parents: 820
diff changeset
441 */
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diff changeset
442 public URL getAlias()
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diff changeset
443 {
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diff changeset
444 return null;
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diff changeset
445 }
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diff changeset
446
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diff changeset
447 /* ------------------------------------------------------------ */
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parents: 820
diff changeset
448 /** Get the resource list as a HTML directory listing.
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parents: 820
diff changeset
449 * @param base The base URL
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parents: 820
diff changeset
450 * @param parent True if the parent directory should be included
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parents: 820
diff changeset
451 * @return String of HTML
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diff changeset
452 */
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parents: 820
diff changeset
453 public String getListHTML(String base,boolean parent)
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parents: 820
diff changeset
454 throws IOException
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parents: 820
diff changeset
455 {
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parents: 820
diff changeset
456 base=URIUtil.canonicalPath(base);
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parents: 820
diff changeset
457 if (base==null || !isDirectory())
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parents: 820
diff changeset
458 return null;
7fb7c1915788 remove jetty.util.B64Code
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parents: 820
diff changeset
459
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parents: 820
diff changeset
460 String[] ls = list();
7fb7c1915788 remove jetty.util.B64Code
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parents: 820
diff changeset
461 if (ls==null)
7fb7c1915788 remove jetty.util.B64Code
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parents: 820
diff changeset
462 return null;
7fb7c1915788 remove jetty.util.B64Code
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parents: 820
diff changeset
463 Arrays.sort(ls);
7fb7c1915788 remove jetty.util.B64Code
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parents: 820
diff changeset
464
7fb7c1915788 remove jetty.util.B64Code
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parents: 820
diff changeset
465 String decodedBase = URIUtil.decodePath(base);
7fb7c1915788 remove jetty.util.B64Code
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parents: 820
diff changeset
466 String title = "Directory: "+deTag(decodedBase);
802
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parents:
diff changeset
467
825
7fb7c1915788 remove jetty.util.B64Code
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parents: 820
diff changeset
468 StringBuilder buf=new StringBuilder(4096);
7fb7c1915788 remove jetty.util.B64Code
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parents: 820
diff changeset
469 buf.append("<HTML><HEAD>");
7fb7c1915788 remove jetty.util.B64Code
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parents: 820
diff changeset
470 buf.append("<LINK HREF=\"").append("jetty-dir.css").append("\" REL=\"stylesheet\" TYPE=\"text/css\"/><TITLE>");
7fb7c1915788 remove jetty.util.B64Code
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parents: 820
diff changeset
471 buf.append(title);
7fb7c1915788 remove jetty.util.B64Code
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parents: 820
diff changeset
472 buf.append("</TITLE></HEAD><BODY>\n<H1>");
7fb7c1915788 remove jetty.util.B64Code
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
473 buf.append(title);
7fb7c1915788 remove jetty.util.B64Code
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parents: 820
diff changeset
474 buf.append("</H1>\n<TABLE BORDER=0>\n");
7fb7c1915788 remove jetty.util.B64Code
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
475
7fb7c1915788 remove jetty.util.B64Code
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
476 if (parent)
7fb7c1915788 remove jetty.util.B64Code
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
477 {
7fb7c1915788 remove jetty.util.B64Code
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parents: 820
diff changeset
478 buf.append("<TR><TD><A HREF=\"");
7fb7c1915788 remove jetty.util.B64Code
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
479 buf.append(URIUtil.addPaths(base,"../"));
7fb7c1915788 remove jetty.util.B64Code
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
480 buf.append("\">Parent Directory</A></TD><TD></TD><TD></TD></TR>\n");
7fb7c1915788 remove jetty.util.B64Code
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
481 }
7fb7c1915788 remove jetty.util.B64Code
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
482
7fb7c1915788 remove jetty.util.B64Code
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parents: 820
diff changeset
483 String encodedBase = hrefEncodeURI(base);
7fb7c1915788 remove jetty.util.B64Code
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
484
7fb7c1915788 remove jetty.util.B64Code
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
485 DateFormat dfmt=DateFormat.getDateTimeInstance(DateFormat.MEDIUM,
7fb7c1915788 remove jetty.util.B64Code
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
486 DateFormat.MEDIUM);
7fb7c1915788 remove jetty.util.B64Code
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
487 for (int i=0 ; i< ls.length ; i++)
7fb7c1915788 remove jetty.util.B64Code
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
488 {
7fb7c1915788 remove jetty.util.B64Code
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
489 Resource item = addPath(ls[i]);
7fb7c1915788 remove jetty.util.B64Code
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
490
7fb7c1915788 remove jetty.util.B64Code
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
491 buf.append("\n<TR><TD><A HREF=\"");
7fb7c1915788 remove jetty.util.B64Code
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
492 String path=URIUtil.addPaths(encodedBase,URIUtil.encodePath(ls[i]));
7fb7c1915788 remove jetty.util.B64Code
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
493
7fb7c1915788 remove jetty.util.B64Code
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
494 buf.append(path);
7fb7c1915788 remove jetty.util.B64Code
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
495
7fb7c1915788 remove jetty.util.B64Code
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
496 if (item.isDirectory() && !path.endsWith("/"))
7fb7c1915788 remove jetty.util.B64Code
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
497 buf.append(URIUtil.SLASH);
7fb7c1915788 remove jetty.util.B64Code
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
498
7fb7c1915788 remove jetty.util.B64Code
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
499 // URIUtil.encodePath(buf,path);
7fb7c1915788 remove jetty.util.B64Code
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
500 buf.append("\">");
7fb7c1915788 remove jetty.util.B64Code
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
501 buf.append(deTag(ls[i]));
7fb7c1915788 remove jetty.util.B64Code
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
502 buf.append("&nbsp;");
7fb7c1915788 remove jetty.util.B64Code
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
503 buf.append("</A></TD><TD ALIGN=right>");
7fb7c1915788 remove jetty.util.B64Code
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
504 buf.append(item.length());
7fb7c1915788 remove jetty.util.B64Code
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
505 buf.append(" bytes&nbsp;</TD><TD>");
7fb7c1915788 remove jetty.util.B64Code
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
506 buf.append(dfmt.format(new Date(item.lastModified())));
7fb7c1915788 remove jetty.util.B64Code
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
507 buf.append("</TD></TR>");
7fb7c1915788 remove jetty.util.B64Code
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
508 }
7fb7c1915788 remove jetty.util.B64Code
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
509 buf.append("</TABLE>\n");
802
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
510 buf.append("</BODY></HTML>\n");
825
7fb7c1915788 remove jetty.util.B64Code
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
511
7fb7c1915788 remove jetty.util.B64Code
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
512 return buf.toString();
7fb7c1915788 remove jetty.util.B64Code
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
513 }
7fb7c1915788 remove jetty.util.B64Code
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
514
7fb7c1915788 remove jetty.util.B64Code
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
515 /**
7fb7c1915788 remove jetty.util.B64Code
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
516 * Encode any characters that could break the URI string in an HREF.
7fb7c1915788 remove jetty.util.B64Code
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
517 * Such as <a href="/path/to;<script>Window.alert("XSS"+'%20'+"here");</script>">Link</a>
7fb7c1915788 remove jetty.util.B64Code
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
518 *
7fb7c1915788 remove jetty.util.B64Code
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
519 * The above example would parse incorrectly on various browsers as the "<" or '"' characters
7fb7c1915788 remove jetty.util.B64Code
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
520 * would end the href attribute value string prematurely.
7fb7c1915788 remove jetty.util.B64Code
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
521 *
7fb7c1915788 remove jetty.util.B64Code
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
522 * @param raw the raw text to encode.
7fb7c1915788 remove jetty.util.B64Code
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
523 * @return the defanged text.
7fb7c1915788 remove jetty.util.B64Code
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
524 */
7fb7c1915788 remove jetty.util.B64Code
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
525 private static String hrefEncodeURI(String raw)
7fb7c1915788 remove jetty.util.B64Code
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
526 {
7fb7c1915788 remove jetty.util.B64Code
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
527 StringBuffer buf = null;
802
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
528
825
7fb7c1915788 remove jetty.util.B64Code
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
529 loop:
7fb7c1915788 remove jetty.util.B64Code
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
530 for (int i=0;i<raw.length();i++)
7fb7c1915788 remove jetty.util.B64Code
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
531 {
7fb7c1915788 remove jetty.util.B64Code
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
532 char c=raw.charAt(i);
7fb7c1915788 remove jetty.util.B64Code
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
533 switch(c)
7fb7c1915788 remove jetty.util.B64Code
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
534 {
7fb7c1915788 remove jetty.util.B64Code
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
535 case '\'':
7fb7c1915788 remove jetty.util.B64Code
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
536 case '"':
7fb7c1915788 remove jetty.util.B64Code
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
537 case '<':
7fb7c1915788 remove jetty.util.B64Code
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
538 case '>':
7fb7c1915788 remove jetty.util.B64Code
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
539 buf=new StringBuffer(raw.length()<<1);
7fb7c1915788 remove jetty.util.B64Code
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
540 break loop;
7fb7c1915788 remove jetty.util.B64Code
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
541 }
7fb7c1915788 remove jetty.util.B64Code
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
542 }
7fb7c1915788 remove jetty.util.B64Code
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
543 if (buf==null)
7fb7c1915788 remove jetty.util.B64Code
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
544 return raw;
802
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
545
825
7fb7c1915788 remove jetty.util.B64Code
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
546 for (int i=0;i<raw.length();i++)
7fb7c1915788 remove jetty.util.B64Code
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
547 {
7fb7c1915788 remove jetty.util.B64Code
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
548 char c=raw.charAt(i);
7fb7c1915788 remove jetty.util.B64Code
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
549 switch(c)
7fb7c1915788 remove jetty.util.B64Code
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
550 {
7fb7c1915788 remove jetty.util.B64Code
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
551 case '"':
7fb7c1915788 remove jetty.util.B64Code
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
552 buf.append("%22");
7fb7c1915788 remove jetty.util.B64Code
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
553 continue;
7fb7c1915788 remove jetty.util.B64Code
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
554 case '\'':
7fb7c1915788 remove jetty.util.B64Code
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
555 buf.append("%27");
7fb7c1915788 remove jetty.util.B64Code
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
556 continue;
7fb7c1915788 remove jetty.util.B64Code
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
557 case '<':
7fb7c1915788 remove jetty.util.B64Code
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
558 buf.append("%3C");
7fb7c1915788 remove jetty.util.B64Code
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
559 continue;
7fb7c1915788 remove jetty.util.B64Code
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
560 case '>':
7fb7c1915788 remove jetty.util.B64Code
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
561 buf.append("%3E");
7fb7c1915788 remove jetty.util.B64Code
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
562 continue;
7fb7c1915788 remove jetty.util.B64Code
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
563 default:
7fb7c1915788 remove jetty.util.B64Code
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
564 buf.append(c);
7fb7c1915788 remove jetty.util.B64Code
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
565 continue;
7fb7c1915788 remove jetty.util.B64Code
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
566 }
7fb7c1915788 remove jetty.util.B64Code
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
567 }
802
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
568
825
7fb7c1915788 remove jetty.util.B64Code
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
569 return buf.toString();
7fb7c1915788 remove jetty.util.B64Code
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
570 }
7fb7c1915788 remove jetty.util.B64Code
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
571
7fb7c1915788 remove jetty.util.B64Code
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
572 private static String deTag(String raw)
7fb7c1915788 remove jetty.util.B64Code
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
573 {
7fb7c1915788 remove jetty.util.B64Code
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
574 return StringUtil.replace( StringUtil.replace(raw,"<","&lt;"), ">", "&gt;");
7fb7c1915788 remove jetty.util.B64Code
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
575 }
7fb7c1915788 remove jetty.util.B64Code
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
576
7fb7c1915788 remove jetty.util.B64Code
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
577 /* ------------------------------------------------------------ */
7fb7c1915788 remove jetty.util.B64Code
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
578 /**
7fb7c1915788 remove jetty.util.B64Code
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
579 * @param out
7fb7c1915788 remove jetty.util.B64Code
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
580 * @param start First byte to write
7fb7c1915788 remove jetty.util.B64Code
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
581 * @param count Bytes to write or -1 for all of them.
7fb7c1915788 remove jetty.util.B64Code
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
582 */
7fb7c1915788 remove jetty.util.B64Code
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
583 public void writeTo(OutputStream out,long start,long count)
7fb7c1915788 remove jetty.util.B64Code
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
584 throws IOException
7fb7c1915788 remove jetty.util.B64Code
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
585 {
7fb7c1915788 remove jetty.util.B64Code
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
586 InputStream in = getInputStream();
7fb7c1915788 remove jetty.util.B64Code
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
587 try
7fb7c1915788 remove jetty.util.B64Code
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
588 {
7fb7c1915788 remove jetty.util.B64Code
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
589 in.skip(start);
7fb7c1915788 remove jetty.util.B64Code
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
590 if (count<0)
7fb7c1915788 remove jetty.util.B64Code
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
591 IO.copy(in,out);
7fb7c1915788 remove jetty.util.B64Code
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
592 else
7fb7c1915788 remove jetty.util.B64Code
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
593 IO.copy(in,out,count);
7fb7c1915788 remove jetty.util.B64Code
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
594 }
7fb7c1915788 remove jetty.util.B64Code
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
595 finally
7fb7c1915788 remove jetty.util.B64Code
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
596 {
7fb7c1915788 remove jetty.util.B64Code
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
597 in.close();
7fb7c1915788 remove jetty.util.B64Code
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
598 }
7fb7c1915788 remove jetty.util.B64Code
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
599 }
7fb7c1915788 remove jetty.util.B64Code
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
600
7fb7c1915788 remove jetty.util.B64Code
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
601 /* ------------------------------------------------------------ */
7fb7c1915788 remove jetty.util.B64Code
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
602 public void copyTo(File destination)
7fb7c1915788 remove jetty.util.B64Code
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
603 throws IOException
7fb7c1915788 remove jetty.util.B64Code
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
604 {
7fb7c1915788 remove jetty.util.B64Code
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
605 if (destination.exists())
7fb7c1915788 remove jetty.util.B64Code
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
606 throw new IllegalArgumentException(destination+" exists");
7fb7c1915788 remove jetty.util.B64Code
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
607 writeTo(new FileOutputStream(destination),0,-1);
7fb7c1915788 remove jetty.util.B64Code
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
608 }
802
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
609
825
7fb7c1915788 remove jetty.util.B64Code
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
610 /* ------------------------------------------------------------ */
7fb7c1915788 remove jetty.util.B64Code
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
611 /** Generate a properly encoded URL from a {@link File} instance.
7fb7c1915788 remove jetty.util.B64Code
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
612 * @param file Target file.
7fb7c1915788 remove jetty.util.B64Code
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
613 * @return URL of the target file.
7fb7c1915788 remove jetty.util.B64Code
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
614 * @throws MalformedURLException
7fb7c1915788 remove jetty.util.B64Code
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
615 */
7fb7c1915788 remove jetty.util.B64Code
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
616 public static URL toURL(File file) throws MalformedURLException
7fb7c1915788 remove jetty.util.B64Code
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
617 {
7fb7c1915788 remove jetty.util.B64Code
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
618 return file.toURI().toURL();
7fb7c1915788 remove jetty.util.B64Code
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
619 }
802
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
620 }