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| package nu.xom; |
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23 |
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| import java.io.UnsupportedEncodingException; |
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38 |
| class URIUtil { |
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39 |
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40 |
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41 |
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42 |
51
| static boolean isOpaque(String uri) {
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43 |
| |
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44 |
51
| int colon = uri.indexOf(':');
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45 |
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46 |
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47 |
29
| if (uri.substring(colon+1).startsWith("/")) return false;
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48 |
1
| if (!Verifier.isAlpha(uri.charAt(0))) return false;
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21
| return true;
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56 |
| } |
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57 |
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58 |
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59 |
229374
| static boolean isAbsolute(String uri) {
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60 |
| |
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61 |
229374
| int colon = uri.indexOf(':');
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62 |
2124
| if (colon < 1) return false;
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227250
| return true;
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71 |
| } |
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72 |
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74 |
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75 |
226861
| static String absolutize(String baseURI, String spec) {
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76 |
| |
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77 |
54
| if ("".equals(baseURI) || baseURI == null) return spec;
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78 |
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79 |
226807
| ParsedURI base = new ParsedURI(baseURI);
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84 |
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85 |
2
| if (base.path.endsWith("/..")) base.path += '/';
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86 |
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87 |
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88 |
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89 |
226807
| ParsedURI R = new ParsedURI(spec);
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90 |
226807
| ParsedURI T = new ParsedURI();
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101 |
226807
| if (R.authority != null) {
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102 |
1
| T.authority = R.authority;
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103 |
1
| T.query = R.query;
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104 |
1
| T.path = removeDotSegments(R.path);
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105 |
| } |
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106 |
| else { |
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107 |
226806
| if ("".equals(R.path)) {
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108 |
224786
| T.path = base.path;
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109 |
224786
| if (R.query != null) {
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110 |
1
| T.query = R.query;
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111 |
| } |
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112 |
| else { |
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113 |
224785
| T.query = base.query;
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114 |
| } |
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115 |
| } |
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116 |
| else { |
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117 |
2020
| if (R.path.startsWith("/")) {
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118 |
4
| T.path = removeDotSegments(R.path);
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119 |
| } |
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120 |
| else { |
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121 |
2016
| T.path = merge(base, R.path);
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122 |
2016
| T.path = removeDotSegments(T.path);
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123 |
| } |
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124 |
2020
| T.query = R.query;
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125 |
| } |
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126 |
226806
| T.authority = base.authority;
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127 |
| } |
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128 |
226807
| T.scheme = base.scheme;
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129 |
| |
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130 |
| |
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131 |
226807
| T.fragment = R.fragment;
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132 |
| |
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133 |
226807
| return T.toString();
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134 |
| |
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135 |
| } |
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136 |
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137 |
| |
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138 |
2016
| private static String merge(ParsedURI base, String relativePath) {
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139 |
| |
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140 |
2016
| if (base.authority != null && "".equals(base.path)
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141 |
| && !"".equals(base.authority)) { |
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142 |
2
| return "/" + relativePath;
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143 |
| } |
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144 |
| |
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145 |
2014
| int lastSlash = base.path.lastIndexOf('/');
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146 |
1
| if (lastSlash == -1) return relativePath;
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147 |
2013
| String topPath = base.path.substring(0, lastSlash+1);
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148 |
2013
| return topPath + relativePath;
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149 |
| |
|
150 |
| } |
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151 |
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152 |
| |
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153 |
2021
| private static String removeDotSegments(String path) {
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154 |
| |
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155 |
2021
| StringBuffer output = new StringBuffer();
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156 |
| |
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157 |
2021
| while (path.length() > 0) {
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158 |
20086
| if (path.startsWith("/./")) {
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159 |
8
| path = '/' + path.substring(3);
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160 |
| } |
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161 |
20078
| else if (path.equals("/.")) {
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162 |
4
| path = "/";
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163 |
| } |
|
164 |
20074
| else if (path.startsWith("/../")) {
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165 |
65
| path = '/' + path.substring(4);
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166 |
65
| int lastSlash = output.toString().lastIndexOf('/');
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167 |
58
| if (lastSlash != -1) output.setLength(lastSlash);
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|
168 |
| } |
|
169 |
20009
| else if (path.equals("/..")) {
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170 |
5
| path = "/";
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171 |
5
| int lastSlash = output.toString().lastIndexOf('/');
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172 |
3
| if (lastSlash != -1) output.setLength(lastSlash);
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173 |
| } |
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174 |
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181 |
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182 |
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183 |
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184 |
| |
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185 |
| else { |
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186 |
20004
| int nextSlash = path.indexOf('/');
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187 |
20003
| if (nextSlash == 0) nextSlash = path.indexOf('/', 1);
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188 |
20004
| if (nextSlash == -1) {
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189 |
2020
| output.append(path);
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190 |
2020
| path = "";
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191 |
| } |
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192 |
| else { |
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193 |
17984
| output.append(path.substring(0, nextSlash));
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194 |
17984
| path = path.substring(nextSlash);
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195 |
| } |
|
196 |
| } |
|
197 |
| } |
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198 |
| |
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199 |
2021
| return output.toString();
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200 |
| |
|
201 |
| } |
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202 |
| |
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203 |
| |
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204 |
| |
|
205 |
| static class ParsedURI { |
|
206 |
| |
|
207 |
| String scheme; |
|
208 |
| String schemeSpecificPart; |
|
209 |
| String query; |
|
210 |
| String fragment; |
|
211 |
| String authority; |
|
212 |
| String path = ""; |
|
213 |
| |
|
214 |
515955
| ParsedURI(String spec) {
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|
215 |
| |
|
216 |
515955
| int colon = spec.indexOf(':');
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|
217 |
515955
| int question;
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|
218 |
| |
|
219 |
| |
|
220 |
515955
| int sharp = spec.lastIndexOf('#');
|
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221 |
| |
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222 |
| |
|
223 |
| |
|
224 |
515888
| if (sharp == -1) question = spec.indexOf('?');
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|
225 |
67
| else question = spec.substring(0, sharp).indexOf('?');
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|
226 |
| |
|
227 |
287038
| if (colon != -1) scheme = spec.substring(0, colon);
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|
228 |
| |
|
229 |
515955
| if (question == -1 && sharp == -1) {
|
|
230 |
514777
| schemeSpecificPart = spec.substring(colon+1);
|
|
231 |
| } |
|
232 |
1178
| else if (question != -1) {
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233 |
1129
| if (question < colon) {
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|
234 |
1
| MalformedURIException ex
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|
235 |
| = new MalformedURIException("Unparseable URI"); |
|
236 |
1
| ex.setData(spec);
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|
237 |
1
| throw ex;
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|
238 |
| } |
|
239 |
1128
| schemeSpecificPart = spec.substring(colon+1, question);
|
|
240 |
| } |
|
241 |
| else { |
|
242 |
49
| if (sharp < colon) {
|
|
243 |
1
| MalformedURIException ex
|
|
244 |
| = new MalformedURIException("Unparseable URI"); |
|
245 |
1
| ex.setData(spec);
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|
246 |
1
| throw ex;
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|
247 |
| } |
|
248 |
48
| schemeSpecificPart = spec.substring(colon+1, sharp);
|
|
249 |
| } |
|
250 |
| |
|
251 |
515953
| if (sharp != -1) {
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|
252 |
66
| fragment = spec.substring(sharp+1);
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|
253 |
| } |
|
254 |
| |
|
255 |
515953
| if (question != -1) {
|
|
256 |
1128
| if (sharp == -1) {
|
|
257 |
1110
| query = spec.substring(question+1);
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|
258 |
| } |
|
259 |
| else { |
|
260 |
18
| query = spec.substring(question+1, sharp);
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|
261 |
| } |
|
262 |
| } |
|
263 |
| |
|
264 |
515953
| if (schemeSpecificPart.startsWith("//")) {
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265 |
285716
| int authorityBegin = 2;
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266 |
285716
| int authorityEnd = schemeSpecificPart.indexOf('/', authorityBegin);
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267 |
285716
| if (authorityEnd == -1) {
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268 |
557
| authority = schemeSpecificPart.substring(2);
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|
269 |
557
| path = "";
|
|
270 |
| } |
|
271 |
| else { |
|
272 |
285159
| authority = schemeSpecificPart.substring(authorityBegin, authorityEnd);
|
|
273 |
285159
| path = schemeSpecificPart.substring(authorityEnd);
|
|
274 |
| } |
|
275 |
| } |
|
276 |
| else { |
|
277 |
230237
| path = schemeSpecificPart;
|
|
278 |
| } |
|
279 |
| |
|
280 |
| } |
|
281 |
| |
|
282 |
226807
| ParsedURI() {}
|
|
283 |
| |
|
284 |
226807
| public String toString() {
|
|
285 |
| |
|
286 |
226807
| StringBuffer result = new StringBuffer(30);
|
|
287 |
| |
|
288 |
226807
| if (scheme != null) {
|
|
289 |
226806
| result.append(scheme);
|
|
290 |
226806
| result.append(':');
|
|
291 |
| } |
|
292 |
| |
|
293 |
226807
| if (schemeSpecificPart != null) {
|
|
294 |
0
| result.append(schemeSpecificPart);
|
|
295 |
| } |
|
296 |
| else { |
|
297 |
226807
| result.append("//");
|
|
298 |
226575
| if (authority != null) result.append(authority);
|
|
299 |
226807
| result.append(path);
|
|
300 |
| } |
|
301 |
| |
|
302 |
226807
| if (query != null) {
|
|
303 |
8
| result.append('?');
|
|
304 |
8
| result.append(query);
|
|
305 |
| } |
|
306 |
| |
|
307 |
226807
| if (fragment != null) {
|
|
308 |
6
| result.append('#');
|
|
309 |
6
| result.append(fragment);
|
|
310 |
| } |
|
311 |
| |
|
312 |
226807
| return result.toString();
|
|
313 |
| |
|
314 |
| } |
|
315 |
| |
|
316 |
| } |
|
317 |
| |
|
318 |
| |
|
319 |
2175
| static String toURI(String iri) {
|
|
320 |
| |
|
321 |
2175
| int length = iri.length();
|
|
322 |
2175
| StringBuffer uri = new StringBuffer(length);
|
|
323 |
2175
| for (int i = 0; i < length; i++) {
|
|
324 |
39364
| char c = iri.charAt(i);
|
|
325 |
39364
| switch(c) {
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326 |
1
| case ' ':
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327 |
1
| uri.append("%20");
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328 |
1
| break;
|
|
329 |
3
| case '!':
|
|
330 |
3
| uri.append(c);
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|
331 |
3
| break;
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|
332 |
2
| case '"':
|
|
333 |
2
| uri.append("%22");
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|
334 |
2
| break;
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|
335 |
9
| case '#':
|
|
336 |
9
| uri.append(c);
|
|
337 |
9
| break;
|
|
338 |
5
| case '$':
|
|
339 |
5
| uri.append(c);
|
|
340 |
5
| break;
|
|
341 |
15
| case '%':
|
|
342 |
15
| uri.append(c);
|
|
343 |
15
| break;
|
|
344 |
2
| case '&':
|
|
345 |
2
| uri.append(c);
|
|
346 |
2
| break;
|
|
347 |
3
| case '\'':
|
|
348 |
3
| uri.append(c);
|
|
349 |
3
| break;
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|
350 |
2
| case '(':
|
|
351 |
2
| uri.append(c);
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|
352 |
2
| break;
|
|
353 |
2
| case ')':
|
|
354 |
2
| uri.append(c);
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|
355 |
2
| break;
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|
356 |
4
| case '*':
|
|
357 |
4
| uri.append(c);
|
|
358 |
4
| break;
|
|
359 |
8
| case '+':
|
|
360 |
8
| uri.append(c);
|
|
361 |
8
| break;
|
|
362 |
3
| case ',':
|
|
363 |
3
| uri.append(c);
|
|
364 |
3
| break;
|
|
365 |
332
| case '-':
|
|
366 |
332
| uri.append(c);
|
|
367 |
332
| break;
|
|
368 |
2394
| case '.':
|
|
369 |
2394
| uri.append(c);
|
|
370 |
2394
| break;
|
|
371 |
2952
| case '/':
|
|
372 |
2952
| uri.append(c);
|
|
373 |
2952
| break;
|
|
374 |
1795
| case '0':
|
|
375 |
1795
| uri.append(c);
|
|
376 |
1795
| break;
|
|
377 |
1238
| case '1':
|
|
378 |
1238
| uri.append(c);
|
|
379 |
1238
| break;
|
|
380 |
888
| case '2':
|
|
381 |
888
| uri.append(c);
|
|
382 |
888
| break;
|
|
383 |
567
| case '3':
|
|
384 |
567
| uri.append(c);
|
|
385 |
567
| break;
|
|
386 |
470
| case '4':
|
|
387 |
470
| uri.append(c);
|
|
388 |
470
| break;
|
|
389 |
609
| case '5':
|
|
390 |
609
| uri.append(c);
|
|
391 |
609
| break;
|
|
392 |
668
| case '6':
|
|
393 |
668
| uri.append(c);
|
|
394 |
668
| break;
|
|
395 |
250
| case '7':
|
|
396 |
250
| uri.append(c);
|
|
397 |
250
| break;
|
|
398 |
328
| case '8':
|
|
399 |
328
| uri.append(c);
|
|
400 |
328
| break;
|
|
401 |
308
| case '9':
|
|
402 |
308
| uri.append(c);
|
|
403 |
308
| break;
|
|
404 |
219
| case ':':
|
|
405 |
219
| uri.append(c);
|
|
406 |
219
| break;
|
|
407 |
17
| case ';':
|
|
408 |
17
| uri.append(c);
|
|
409 |
17
| break;
|
|
410 |
2
| case '<':
|
|
411 |
2
| uri.append("%3C");
|
|
412 |
2
| break;
|
|
413 |
21
| case '=':
|
|
414 |
21
| uri.append(c);
|
|
415 |
21
| break;
|
|
416 |
1
| case '>':
|
|
417 |
1
| uri.append("%3E");
|
|
418 |
1
| break;
|
|
419 |
17
| case '?':
|
|
420 |
17
| uri.append(c);
|
|
421 |
17
| break;
|
|
422 |
14
| case '@':
|
|
423 |
14
| uri.append(c);
|
|
424 |
14
| break;
|
|
425 |
20
| case 'A':
|
|
426 |
20
| uri.append(c);
|
|
427 |
20
| break;
|
|
428 |
9
| case 'B':
|
|
429 |
9
| uri.append(c);
|
|
430 |
9
| break;
|
|
431 |
16
| case 'C':
|
|
432 |
16
| uri.append(c);
|
|
433 |
16
| break;
|
|
434 |
8
| case 'D':
|
|
435 |
8
| uri.append(c);
|
|
436 |
8
| break;
|
|
437 |
23
| case 'E':
|
|
438 |
23
| uri.append(c);
|
|
439 |
23
| break;
|
|
440 |
23
| case 'F':
|
|
441 |
23
| uri.append(c);
|
|
442 |
23
| break;
|
|
443 |
5
| case 'G':
|
|
444 |
5
| uri.append(c);
|
|
445 |
5
| break;
|
|
446 |
8
| case 'H':
|
|
447 |
8
| uri.append(c);
|
|
448 |
8
| break;
|
|
449 |
14
| case 'I':
|
|
450 |
14
| uri.append(c);
|
|
451 |
14
| break;
|
|
452 |
2
| case 'J':
|
|
453 |
2
| uri.append(c);
|
|
454 |
2
| break;
|
|
455 |
4
| case 'K':
|
|
456 |
4
| uri.append(c);
|
|
457 |
4
| break;
|
|
458 |
11
| case 'L':
|
|
459 |
11
| uri.append(c);
|
|
460 |
11
| break;
|
|
461 |
18
| case 'M':
|
|
462 |
18
| uri.append(c);
|
|
463 |
18
| break;
|
|
464 |
14
| case 'N':
|
|
465 |
14
| uri.append(c);
|
|
466 |
14
| break;
|
|
467 |
16
| case 'O':
|
|
468 |
16
| uri.append(c);
|
|
469 |
16
| break;
|
|
470 |
607
| case 'P':
|
|
471 |
607
| uri.append(c);
|
|
472 |
607
| break;
|
|
473 |
3
| case 'Q':
|
|
474 |
3
| uri.append(c);
|
|
475 |
3
| break;
|
|
476 |
54
| case 'R':
|
|
477 |
54
| uri.append(c);
|
|
478 |
54
| break;
|
|
479 |
12
| case 'S':
|
|
480 |
12
| uri.append(c);
|
|
481 |
12
| break;
|
|
482 |
60
| case 'T':
|
|
483 |
60
| uri.append(c);
|
|
484 |
60
| break;
|
|
485 |
9
| case 'U':
|
|
486 |
9
| uri.append(c);
|
|
487 |
9
| break;
|
|
488 |
3
| case 'V':
|
|
489 |
3
| uri.append(c);
|
|
490 |
3
| break;
|
|
491 |
13
| case 'W':
|
|
492 |
13
| uri.append(c);
|
|
493 |
13
| break;
|
|
494 |
16
| case 'X':
|
|
495 |
16
| uri.append(c);
|
|
496 |
16
| break;
|
|
497 |
2
| case 'Y':
|
|
498 |
2
| uri.append(c);
|
|
499 |
2
| break;
|
|
500 |
5
| case 'Z':
|
|
501 |
5
| uri.append(c);
|
|
502 |
5
| break;
|
|
503 |
19
| case '[':
|
|
504 |
19
| uri.append(c);
|
|
505 |
19
| break;
|
|
506 |
2
| case '\\':
|
|
507 |
2
| uri.append("%5C");
|
|
508 |
2
| break;
|
|
509 |
20
| case ']':
|
|
510 |
20
| uri.append(c);
|
|
511 |
20
| break;
|
|
512 |
3
| case '^':
|
|
513 |
3
| uri.append("%5E");
|
|
514 |
3
| break;
|
|
515 |
16
| case '_':
|
|
516 |
16
| uri.append(c);
|
|
517 |
16
| break;
|
|
518 |
2
| case '`':
|
|
519 |
2
| uri.append("%60");
|
|
520 |
2
| break;
|
|
521 |
2659
| case 'a':
|
|
522 |
2659
| uri.append(c);
|
|
523 |
2659
| break;
|
|
524 |
671
| case 'b':
|
|
525 |
671
| uri.append(c);
|
|
526 |
671
| break;
|
|
527 |
221
| case 'c':
|
|
528 |
221
| uri.append(c);
|
|
529 |
221
| break;
|
|
530 |
1629
| case 'd':
|
|
531 |
1629
| uri.append(c);
|
|
532 |
1629
| break;
|
|
533 |
619
| case 'e':
|
|
534 |
619
| uri.append(c);
|
|
535 |
619
| break;
|
|
536 |
112
| case 'f':
|
|
537 |
112
| uri.append(c);
|
|
538 |
112
| break;
|
|
539 |
148
| case 'g':
|
|
540 |
148
| uri.append(c);
|
|
541 |
148
| break;
|
|
542 |
216
| case 'h':
|
|
543 |
216
| uri.append(c);
|
|
544 |
216
| break;
|
|
545 |
2905
| case 'i':
|
|
546 |
2905
| uri.append(c);
|
|
547 |
2905
| break;
|
|
548 |
25
| case 'j':
|
|
549 |
25
| uri.append(c);
|
|
550 |
25
| break;
|
|
551 |
46
| case 'k':
|
|
552 |
46
| uri.append(c);
|
|
553 |
46
| break;
|
|
554 |
3749
| case 'l':
|
|
555 |
3749
| uri.append(c);
|
|
556 |
3749
| break;
|
|
557 |
2844
| case 'm':
|
|
558 |
2844
| uri.append(c);
|
|
559 |
2844
| break;
|
|
560 |
858
| case 'n':
|
|
561 |
858
| uri.append(c);
|
|
562 |
858
| break;
|
|
563 |
526
| case 'o':
|
|
564 |
526
| uri.append(c);
|
|
565 |
526
| break;
|
|
566 |
873
| case 'p':
|
|
567 |
873
| uri.append(c);
|
|
568 |
873
| break;
|
|
569 |
15
| case 'q':
|
|
570 |
15
| uri.append(c);
|
|
571 |
15
| break;
|
|
572 |
234
| case 'r':
|
|
573 |
234
| uri.append(c);
|
|
574 |
234
| break;
|
|
575 |
1429
| case 's':
|
|
576 |
1429
| uri.append(c);
|
|
577 |
1429
| break;
|
|
578 |
1015
| case 't':
|
|
579 |
1015
| uri.append(c);
|
|
580 |
1015
| break;
|
|
581 |
131
| case 'u':
|
|
582 |
131
| uri.append(c);
|
|
583 |
131
| break;
|
|
584 |
1877
| case 'v':
|
|
585 |
1877
| uri.append(c);
|
|
586 |
1877
| break;
|
|
587 |
227
| case 'w':
|
|
588 |
227
| uri.append(c);
|
|
589 |
227
| break;
|
|
590 |
2090
| case 'x':
|
|
591 |
2090
| uri.append(c);
|
|
592 |
2090
| break;
|
|
593 |
43
| case 'y':
|
|
594 |
43
| uri.append(c);
|
|
595 |
43
| break;
|
|
596 |
7
| case 'z':
|
|
597 |
7
| uri.append(c);
|
|
598 |
7
| break;
|
|
599 |
2
| case '{':
|
|
600 |
2
| uri.append("%7B");
|
|
601 |
2
| break;
|
|
602 |
2
| case '|':
|
|
603 |
2
| uri.append("%7C");
|
|
604 |
2
| break;
|
|
605 |
2
| case '}':
|
|
606 |
2
| uri.append("%7D");
|
|
607 |
2
| break;
|
|
608 |
2
| case '~':
|
|
609 |
2
| uri.append(c);
|
|
610 |
2
| break;
|
|
611 |
1
| default:
|
|
612 |
1
| uri.append(percentEscape(c));
|
|
613 |
| } |
|
614 |
| } |
|
615 |
2175
| return uri.toString();
|
|
616 |
| |
|
617 |
| } |
|
618 |
| |
|
619 |
| |
|
620 |
4
| static String percentEscape(char c) {
|
|
621 |
| |
|
622 |
4
| StringBuffer result = new StringBuffer(3);
|
|
623 |
4
| String s = String.valueOf(c);
|
|
624 |
4
| try {
|
|
625 |
4
| byte[] data = s.getBytes("UTF8");
|
|
626 |
4
| for (int i = 0; i < data.length; i++) {
|
|
627 |
6
| result.append('%');
|
|
628 |
6
| String hex = Integer.toHexString(data[i]).toUpperCase();
|
|
629 |
6
| if (c < 16) {
|
|
630 |
1
| result.append('0');
|
|
631 |
1
| result.append(hex);
|
|
632 |
| } |
|
633 |
| else { |
|
634 |
| |
|
635 |
| |
|
636 |
| |
|
637 |
5
| result.append(hex.substring(hex.length()-2));
|
|
638 |
| } |
|
639 |
| } |
|
640 |
4
| return result.toString();
|
|
641 |
| } |
|
642 |
| catch (UnsupportedEncodingException ex) { |
|
643 |
0
| throw new RuntimeException(
|
|
644 |
| "Broken VM: does not recognize UTF-8 encoding"); |
|
645 |
| } |
|
646 |
| |
|
647 |
| } |
|
648 |
| |
|
649 |
| |
|
650 |
259
| static String relativize(String base, String abs) {
|
|
651 |
| |
|
652 |
259
| try {
|
|
653 |
259
| ParsedURI parsedBase = new ParsedURI(base);
|
|
654 |
259
| ParsedURI parsedAbs = new ParsedURI(abs);
|
|
655 |
| |
|
656 |
259
| if (parsedBase.scheme.equals(parsedAbs.scheme)
|
|
657 |
| && parsedBase.authority.equals(parsedAbs.authority)) { |
|
658 |
| |
|
659 |
| |
|
660 |
231
| String basePath = parsedBase.path;
|
|
661 |
231
| String relPath = parsedAbs.path;
|
|
662 |
| |
|
663 |
231
| while (basePath.length() > 1) {
|
|
664 |
235
| basePath = basePath.substring(0, basePath.lastIndexOf('/'));
|
|
665 |
235
| if (relPath.startsWith(basePath)) {
|
|
666 |
229
| return relPath.substring(basePath.length()+1);
|
|
667 |
| } |
|
668 |
| } |
|
669 |
| |
|
670 |
2
| return relPath;
|
|
671 |
| } |
|
672 |
| else { |
|
673 |
28
| return abs;
|
|
674 |
| } |
|
675 |
| } |
|
676 |
| catch (Exception ex) { |
|
677 |
0
| return abs;
|
|
678 |
| } |
|
679 |
| } |
|
680 |
| |
|
681 |
| |
|
682 |
| } |