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1
19 package org.netbeans.mdr.util;
20
21 import java.util.*;
22 import java.io.*;
23 import javax.jmi.reflect.*;
24
25
30 public class XmlUtils extends Object  {
31
32 static byte buf[] = new byte[4096];
33
34 public static String readTagStart (InputStream is) throws IOException {
35 while (is.read() != '<');
36 int c, i=0;
37 while ( (c=is.read()) != '>') {
38 buf[i++]=(byte)c; }
40 String result = new String (buf, 0, i);
41 return result;
42 }
43
44 public static String readValue (InputStream is) throws IOException {
45 int c, i=0;
46 while ( (c=is.read()) != '<') {
47 buf[i++]=(byte)c; }
49 return decode(new String (buf, 0, i));
50 }
51
52 public static String readComplexValue (InputStream is) throws IOException {
53 String start = readTagStart(is);
54 int c, i=0, left=0;
55 for (;;) {
56 while ( ((c=is.read()) != '>') ) {
57 if (c=='<') left = i;
58 buf[i++]=(byte)c; }
60 try {
61 if (start.equals(new String (buf, left+2, i-left-2))) break;
62 } catch (StringIndexOutOfBoundsException e) {
63 Logger.getDefault().annotate(e, new Integer (left + 2).toString());
64 Logger.getDefault().annotate(e, new Integer (i - left - 2).toString());
65 Logger.getDefault().annotate(e, new String (buf, 0, i));
66 throw e;
67 }
68 buf[i++]=(byte)'>';
69 }
70
71 String value = new String (buf, 0, left);
72 return value;
74 }
75
76 public static void skipTagEnd (InputStream is) throws IOException {
77 while ( is.read() != '>'); }
79
80 public static String readTextTag (InputStream is) throws IOException {
81 readTagStart(is);
82 String value = readValue(is);
83 skipTagEnd(is);
84 return value;
85 }
86
87 public static String encode(String str) {
88 StringBuffer sb = new StringBuffer (str.length());
89 String c;
90
91 for (int i = 0; i < str.length(); i++) {
92 c = str.substring(i, i + 1);
93 if (c.equals("&")) {
94 sb.append("&");
95 } else if (c.equals("<")) {
96 sb.append("<");
97 } else if (c.equals(">")) {
98 sb.append(">");
99 } else if (c.equals("\"")) {
100 sb.append(""");
101 } else if (c.equals("'")) {
102 sb.append("'");
103 } else {
104 sb.append(c);
105 }
106 }
107
108
112 return sb.toString();
113 }
114
115 public static String decode(String str) {
116 StringBuffer sb = new StringBuffer (str.length());
117 String c;
118 int i = 0;
119 int j = -1;
120
121 while ((i = str.indexOf("&", j)) >= 0) {
122 sb.append(str.substring(j + 1, i));
123 j = str.indexOf(";", i + 1);
124 if (j > i + 1) {
125 c = str.substring(i + 1, j);
126 if (c.equals("amp")) {
127 sb.append("&");
128 } else if (c.equals("lt")) {
129 sb.append("<");
130 } else if (c.equals("gt")) {
131 sb.append(">");
132 } else if (c.equals("quot")) {
133 sb.append("\"");
134 } else if (c.equals("apos")) {
135 sb.append("'");
136 } else {
137 Logger.getDefault().log(Logger.WARNING, "Error! Cannot substitute character: " + c);
138 return "";
139 }
140 } else {
141 Logger.getDefault().log(Logger.WARNING, "Error! End of substitution not found.");
142 return "";
143 }
144 }
145
146 sb.append(str.substring(j + 1));
147
148
152 return sb.toString();
153 }
154
155 public static String encodeString(String text) {
156 return "<textValue>" + encode(text) + "</textValue>";
157 }
158
159 public static String decodeString(InputStream inputStream) throws IOException {
160 return readTextTag(inputStream); }
162
163 public static String encodeList(List list) {
164 StringBuffer buf = new StringBuffer (100);
165 buf.append("<list>");
166 for (Iterator it = list.iterator(); it.hasNext();) {
167 buf.append(encodeString((String ) it.next()));
168 }
169 buf.append("</list>");
170 return buf.toString();
171 }
172
173 public static void decodeList(InputStream inputStream, List list) throws IOException {
174 readTagStart(inputStream); for (;;) {
176 String str = readTagStart(inputStream); if (str.equals("/list")) break; list.add(readValue(inputStream));
179 skipTagEnd(inputStream); }
181 }
182 }
183 |
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