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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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| import java.util.Hashtable; |
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| 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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| |
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| |
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| private static Method encodeMethod14; |
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| |
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| static |
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| { |
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| |
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1
| try
|
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| { |
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1
| Class urlEncoderClass = Class.forName("java.net.URLEncoder");
|
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1
| encodeMethod14 = urlEncoderClass.getMethod("encode", new Class[]{String.class, String.class});
|
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| } |
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| catch (Throwable ex) |
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| { |
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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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| } |
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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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| protected static synchronized void buildEntityTables()
|
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| { |
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| entityTableEncode = new Hashtable(ENTITIES.length);
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| |
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| for (int i = 0; i < ENTITIES.length; i += 2)
|
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| { |
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8
| if (!entityTableEncode.containsKey(ENTITIES[i]))
|
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| { |
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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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| |
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| |
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| |
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106
| public final static String encode(String s)
|
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| { |
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| return encode(s, "\n");
|
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| } |
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| |
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106
| public final static String encode(String s, String cr)
|
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| { |
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| if (entityTableEncode == null)
|
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| { |
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1
| buildEntityTables();
|
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| } |
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106
| if (s == null)
|
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| { |
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1
| return "";
|
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| } |
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105
| StringBuffer sb = new StringBuffer(s.length() * 2);
|
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| char ch;
|
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| for (int i = 0; i < s.length(); ++i)
|
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| { |
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4056
| ch = s.charAt(i);
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4056
| if ((ch >= 63 && ch <= 90) || (ch >= 97 && ch <= 122) || (ch == ' '))
|
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| { |
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3219
| sb.append(ch);
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| } |
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837
| else if (ch == '\n')
|
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| { |
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| sb.append(cr);
|
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| } |
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| else |
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| { |
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| String chEnc = encodeSingleChar(String.valueOf(ch));
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| if (chEnc != null)
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| { |
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| sb.append(chEnc);
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| } |
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| else |
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| { |
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| |
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| sb.append("&#");
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| sb.append(new Integer(ch).toString());
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| sb.append(';');
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| } |
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| } |
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| } |
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| return sb.toString();
|
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| } |
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| |
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| |
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| |
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| |
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818
| private static String encodeSingleChar(String ch)
|
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| { |
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| return (String) entityTableEncode.get(ch);
|
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| } |
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| |
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| |
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| protected static String encodeHREFParam(String url)
|
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| { |
202 |
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| if (encodeMethod14 != null)
|
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| { |
204 |
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| Object[] methodArgs = new Object[2];
|
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| methodArgs[0] = url;
|
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| |
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| methodArgs[1] = "UTF8";
|
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| |
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202
| try
|
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| { |
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| return (String) encodeMethod14.invoke(null, methodArgs);
|
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| } |
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| catch (Throwable e) |
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| { |
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0
| throw new RuntimeException("Error invoking 1.4 URLEncoder.encode with reflection: " + e.getMessage());
|
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| } |
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| } |
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| |
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| |
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0
| return URLEncoder.encode(url);
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| |
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| } |
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| |
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0
| protected static String encodeHREFParamJava13(String value)
|
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| { |
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0
| return URLEncoder.encode(value);
|
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| } |
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| |
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7
| public static String encodeQuery(String url, String[] args)
|
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| { |
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7
| return encodeHREFQuery(url, args, false);
|
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| } |
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| |
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| public static String encodeHREFQuery(String url, String[] args)
|
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| { |
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37
| return encodeHREFQuery(url, args, true);
|
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| } |
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| |
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44
| public static String encodeHREFQuery(String url, String[] args, boolean forHtml)
|
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| { |
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44
| StringBuffer out = new StringBuffer(128);
|
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| out.append(url);
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| |
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| if ((args != null) && (args.length > 0))
|
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| { |
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| out.append("?");
|
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| for (int i = 0; i < (args.length + 1) / 2; i++)
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| { |
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| int k = i * 2;
|
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| if (k != 0)
|
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| { |
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56
| if (forHtml)
|
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| { |
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| out.append("&");
|
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| } |
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| else |
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| { |
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1
| out.append("&");
|
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| } |
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| } |
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| out.append(encodeHREFParam(args[k]));
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| if (k + 1 < args.length)
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| { |
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| out.append("=");
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| out.append(encodeHREFParam(args[k + 1]));
|
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| } |
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| } |
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| } |
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44
| return out.toString();
|
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| } |
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| |
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2
| public static String encodeHREFQuery(String url, Map args, boolean forHtml)
|
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| { |
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2
| StringBuffer out = new StringBuffer(128);
|
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| out.append(url);
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| |
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| if ((args != null) && (args.size() > 0))
|
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| { |
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| out.append("?");
|
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2
| int k = 0;
|
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2
| for (Iterator i = args.keySet().iterator(); i.hasNext();)
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| { |
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3
| if (k != 0)
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| { |
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1
| if (forHtml)
|
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| { |
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0
| out.append("&");
|
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| } |
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| else |
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| { |
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1
| out.append("&");
|
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| } |
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| } |
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3
| String name = (String) i.next();
|
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3
| out.append(encodeHREFParam(name));
|
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3
| out.append("=");
|
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3
| out.append(encodeHREFParam((String) args.get(name)));
|
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3
| k++;
|
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| } |
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| } |
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2
| return out.toString();
|
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| } |
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| } |