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| package org.w3c.tidy.servlet.util; |
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| |
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| import java.lang.reflect.Method; |
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| import java.net.URLEncoder; |
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59 |
| import java.util.Hashtable; |
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60 |
| import java.util.Iterator; |
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| import java.util.Map; |
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| public class HTMLEncode |
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| { |
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| private static Method encodeMethod14; |
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| static |
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| { |
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1
| try
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| { |
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84 |
1
| Class urlEncoderClass = Class.forName("java.net.URLEncoder");
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85 |
1
| encodeMethod14 = urlEncoderClass.getMethod("encode", new Class[]{String.class, String.class});
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| } |
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87 |
| catch (Throwable ex) |
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| { |
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| } |
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| } |
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0
| private HTMLEncode()
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| { |
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| } |
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| private static final String[] ENTITIES = { |
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| ">", |
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| ">", |
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| "<", |
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| "<", |
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| "&", |
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| "&", |
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| "\"", |
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| """, |
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| "'", |
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| "'", |
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| "\\", |
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| "\", |
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| "\u00a9", |
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| "©", |
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| "\u00ae", |
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| "®"}; |
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| |
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| private static Hashtable entityTableEncode = null; |
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| |
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1
| protected static synchronized void buildEntityTables()
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| { |
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1
| entityTableEncode = new Hashtable(ENTITIES.length);
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| |
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1
| for (int i = 0; i < ENTITIES.length; i += 2)
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| { |
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127 |
8
| if (!entityTableEncode.containsKey(ENTITIES[i]))
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128 |
| { |
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129 |
8
| entityTableEncode.put(ENTITIES[i], ENTITIES[i + 1]);
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| } |
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| } |
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| } |
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| |
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135 |
| |
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136 |
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137 |
106
| public final static String encode(String s)
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| { |
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139 |
106
| return encode(s, "\n");
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140 |
| } |
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141 |
| |
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142 |
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143 |
| |
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144 |
| |
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145 |
106
| public final static String encode(String s, String cr)
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| { |
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147 |
106
| if (entityTableEncode == null)
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148 |
| { |
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149 |
1
| buildEntityTables();
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150 |
| } |
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151 |
106
| if (s == null)
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| { |
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1
| return "";
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154 |
| } |
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155 |
105
| StringBuffer sb = new StringBuffer(s.length() * 2);
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156 |
105
| char ch;
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157 |
105
| for (int i = 0; i < s.length(); ++i)
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| { |
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159 |
4056
| ch = s.charAt(i);
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160 |
4056
| if ((ch >= 63 && ch <= 90) || (ch >= 97 && ch <= 122) || (ch == ' '))
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| { |
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162 |
3219
| sb.append(ch);
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| } |
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164 |
837
| else if (ch == '\n')
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| { |
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166 |
19
| sb.append(cr);
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| } |
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168 |
| else |
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169 |
| { |
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170 |
818
| String chEnc = encodeSingleChar(String.valueOf(ch));
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171 |
818
| if (chEnc != null)
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172 |
| { |
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173 |
448
| sb.append(chEnc);
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| } |
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| else |
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176 |
| { |
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177 |
| |
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178 |
370
| sb.append("&#");
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179 |
370
| sb.append(new Integer(ch).toString());
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180 |
370
| sb.append(';');
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181 |
| } |
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182 |
| } |
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183 |
| } |
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184 |
105
| return sb.toString();
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185 |
| } |
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| |
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| |
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| |
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190 |
818
| private static String encodeSingleChar(String ch)
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191 |
| { |
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192 |
818
| return (String) entityTableEncode.get(ch);
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193 |
| } |
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198 |
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199 |
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200 |
202
| protected static String encodeHREFParam(String url)
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201 |
| { |
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202 |
202
| if (encodeMethod14 != null)
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203 |
| { |
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204 |
202
| Object[] methodArgs = new Object[2];
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205 |
202
| methodArgs[0] = url;
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206 |
| |
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207 |
202
| methodArgs[1] = "UTF8";
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208 |
| |
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209 |
202
| try
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210 |
| { |
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211 |
202
| return (String) encodeMethod14.invoke(null, methodArgs);
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212 |
| } |
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213 |
| catch (Throwable e) |
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214 |
| { |
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215 |
0
| throw new RuntimeException("Error invoking 1.4 URLEncoder.encode with reflection: " + e.getMessage());
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216 |
| } |
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217 |
| } |
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218 |
| |
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219 |
| |
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220 |
0
| return URLEncoder.encode(url);
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221 |
| |
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222 |
| } |
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223 |
| |
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224 |
0
| protected static String encodeHREFParamJava13(String value)
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225 |
| { |
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226 |
0
| return URLEncoder.encode(value);
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227 |
| } |
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228 |
| |
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229 |
7
| public static String encodeQuery(String url, String[] args)
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230 |
| { |
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231 |
7
| return encodeHREFQuery(url, args, false);
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232 |
| } |
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233 |
| |
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234 |
37
| public static String encodeHREFQuery(String url, String[] args)
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235 |
| { |
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236 |
37
| return encodeHREFQuery(url, args, true);
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237 |
| } |
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238 |
| |
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239 |
44
| public static String encodeHREFQuery(String url, String[] args, boolean forHtml)
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240 |
| { |
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241 |
44
| StringBuffer out = new StringBuffer(128);
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242 |
44
| out.append(url);
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243 |
| |
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244 |
44
| if ((args != null) && (args.length > 0))
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245 |
| { |
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246 |
43
| out.append("?");
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247 |
43
| for (int i = 0; i < (args.length + 1) / 2; i++)
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248 |
| { |
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249 |
99
| int k = i * 2;
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250 |
99
| if (k != 0)
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251 |
| { |
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252 |
56
| if (forHtml)
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253 |
| { |
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254 |
55
| out.append("&");
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255 |
| } |
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256 |
| else |
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257 |
| { |
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258 |
1
| out.append("&");
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259 |
| } |
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260 |
| } |
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261 |
99
| out.append(encodeHREFParam(args[k]));
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262 |
99
| if (k + 1 < args.length)
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263 |
| { |
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264 |
97
| out.append("=");
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265 |
97
| out.append(encodeHREFParam(args[k + 1]));
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266 |
| } |
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267 |
| } |
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268 |
| } |
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269 |
44
| return out.toString();
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|
270 |
| } |
|
271 |
| |
|
272 |
2
| public static String encodeHREFQuery(String url, Map args, boolean forHtml)
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|
273 |
| { |
|
274 |
2
| StringBuffer out = new StringBuffer(128);
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275 |
2
| out.append(url);
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276 |
| |
|
277 |
2
| if ((args != null) && (args.size() > 0))
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|
278 |
| { |
|
279 |
2
| out.append("?");
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280 |
2
| int k = 0;
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281 |
2
| for (Iterator i = args.keySet().iterator(); i.hasNext();)
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|
282 |
| { |
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283 |
3
| if (k != 0)
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|
284 |
| { |
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285 |
1
| if (forHtml)
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|
286 |
| { |
|
287 |
0
| out.append("&");
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|
288 |
| } |
|
289 |
| else |
|
290 |
| { |
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291 |
1
| out.append("&");
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|
292 |
| } |
|
293 |
| } |
|
294 |
3
| String name = (String) i.next();
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295 |
3
| out.append(encodeHREFParam(name));
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296 |
3
| out.append("=");
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|
297 |
3
| out.append(encodeHREFParam((String) args.get(name)));
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298 |
3
| k++;
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|
299 |
| } |
|
300 |
| } |
|
301 |
2
| return out.toString();
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|
302 |
| } |
|
303 |
| } |