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11 package org.eclipse.core.internal.resources;
12
13 import java.io.*;
14 import java.util.HashMap  ;
15 import java.util.Iterator ;
16
17
20 public class XMLWriter extends PrintWriter {
21 protected int tab;
22
23
24 protected static final String XML_VERSION = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>";
26 public XMLWriter(OutputStream output) throws UnsupportedEncodingException {
27 super(new OutputStreamWriter(output, "UTF8")); tab = 0;
29 println(XML_VERSION);
30 }
31
32 public void endTag(String name) {
33 tab--;
34 printTag('/' + name, null);
35 }
36
37 public void printSimpleTag(String name, Object value) {
38 if (value != null) {
39 printTag(name, null, true, false);
40 print(getEscaped(String.valueOf(value)));
41 printTag('/' + name, null, false, true);
42 }
43 }
44
45 public void printTabulation() {
46 for (int i = 0; i < tab; i++)
47 super.print('\t');
48 }
49
50 public void printTag(String name, HashMap parameters) {
51 printTag(name, parameters, true, true);
52 }
53
54 public void printTag(String name, HashMap parameters, boolean shouldTab, boolean newLine) {
55 StringBuffer sb = new StringBuffer ();
56 sb.append("<"); sb.append(name);
58 if (parameters != null)
59 for (Iterator it = parameters.keySet().iterator(); it.hasNext();) {
60 sb.append(" "); String key = (String ) it.next();
62 sb.append(key);
63 sb.append("=\""); sb.append(getEscaped(String.valueOf(parameters.get(key))));
65 sb.append("\""); }
67 sb.append(">"); if (shouldTab)
69 printTabulation();
70 if (newLine)
71 println(sb.toString());
72 else
73 print(sb.toString());
74 }
75
76 public void startTag(String name, HashMap parameters) {
77 startTag(name, parameters, true);
78 }
79
80 public void startTag(String name, HashMap parameters, boolean newLine) {
81 printTag(name, parameters, true, newLine);
82 tab++;
83 }
84
85 private static void appendEscapedChar(StringBuffer buffer, char c) {
86 String replacement = getReplacement(c);
87 if (replacement != null) {
88 buffer.append('&');
89 buffer.append(replacement);
90 buffer.append(';');
91 } else {
92 buffer.append(c);
93 }
94 }
95
96 public static String getEscaped(String s) {
97 StringBuffer result = new StringBuffer (s.length() + 10);
98 for (int i = 0; i < s.length(); ++i)
99 appendEscapedChar(result, s.charAt(i));
100 return result.toString();
101 }
102
103 private static String getReplacement(char c) {
104 switch (c) {
107 case '<' :
108 return "lt"; case '>' :
110 return "gt"; case '"' :
112 return "quot"; case '\'' :
114 return "apos"; case '&' :
116 return "amp"; }
118 return null;
119 }
120 }
121 |
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