|
1
7
8 package org.dom4j.tree;
9
10 import java.io.IOException  ;
11 import java.io.Writer ;
12 import java.util.HashMap ;
13 import java.util.Iterator ;
14 import java.util.Map ;
15 import java.util.StringTokenizer ;
16
17 import org.dom4j.Element;
18 import org.dom4j.ProcessingInstruction;
19 import org.dom4j.Visitor;
20
21
30 public abstract class AbstractProcessingInstruction extends AbstractNode
31 implements ProcessingInstruction {
32 public AbstractProcessingInstruction() {
33 }
34
35 public short getNodeType() {
36 return PROCESSING_INSTRUCTION_NODE;
37 }
38
39 public String getPath(Element context) {
40 Element parent = getParent();
41
42 return ((parent != null) && (parent != context)) ? (parent
43 .getPath(context) + "/processing-instruction()")
44 : "processing-instruction()";
45 }
46
47 public String getUniquePath(Element context) {
48 Element parent = getParent();
49
50 return ((parent != null) && (parent != context)) ? (parent
51 .getUniquePath(context) + "/processing-instruction()")
52 : "processing-instruction()";
53 }
54
55 public String toString() {
56 return super.toString() + " [ProcessingInstruction: &" + getName()
57 + ";]";
58 }
59
60 public String asXML() {
61 return "<?" + getName() + " " + getText() + "?>";
62 }
63
64 public void write(Writer writer) throws IOException {
65 writer.write("<?");
66 writer.write(getName());
67 writer.write(" ");
68 writer.write(getText());
69 writer.write("?>");
70 }
71
72 public void accept(Visitor visitor) {
73 visitor.visit(this);
74 }
75
76 public void setValue(String name, String value) {
77 throw new UnsupportedOperationException ("This PI is read-only and "
78 + "cannot be modified");
79 }
80
81 public void setValues(Map data) {
82 throw new UnsupportedOperationException ("This PI is read-only and "
83 + "cannot be modified");
84 }
85
86 public String getName() {
87 return getTarget();
88 }
89
90 public void setName(String name) {
91 setTarget(name);
92 }
93
94 public boolean removeValue(String name) {
95 return false;
96 }
97
98
100
110 protected String toString(Map values) {
111 StringBuffer buffer = new StringBuffer ();
112
113 for (Iterator iter = values.entrySet().iterator(); iter.hasNext();) {
114 Map.Entry entry = (Map.Entry ) iter.next();
115 String name = (String ) entry.getKey();
116 String value = (String ) entry.getValue();
117
118 buffer.append(name);
119 buffer.append("=\"");
120 buffer.append(value);
121 buffer.append("\" ");
122 }
123
124 buffer.setLength(buffer.length() - 1);
126
127 return buffer.toString();
128 }
129
130
140 protected Map parseValues(String text) {
141 Map data = new HashMap ();
142
143 StringTokenizer s = new StringTokenizer (text, " =\'\"", true);
144
145 while (s.hasMoreTokens()) {
146 String name = getName(s);
147
148 if (s.hasMoreTokens()) {
149 String value = getValue(s);
150 data.put(name, value);
151 }
152 }
153
154 return data;
155 }
156
157 private String getName(StringTokenizer tokenizer) {
158 String token = tokenizer.nextToken();
159 StringBuffer name = new StringBuffer (token);
160
161 while (tokenizer.hasMoreTokens()) {
162 token = tokenizer.nextToken();
163
164 if (!token.equals("=")) {
165 name.append(token);
166 } else {
167 break;
168 }
169 }
170
171 return name.toString().trim();
172 }
173
174 private String getValue(StringTokenizer tokenizer) {
175 String token = tokenizer.nextToken();
176 StringBuffer value = new StringBuffer ();
177
178
179 while (tokenizer.hasMoreTokens() && !token.equals("\'")
180 && !token.equals("\"")) {
181 token = tokenizer.nextToken();
182 }
183
184 String quote = token;
185
186 while (tokenizer.hasMoreTokens()) {
187 token = tokenizer.nextToken();
188
189 if (!quote.equals(token)) {
190 value.append(token);
191 } else {
192 break;
193 }
194 }
195
196 return value.toString();
197 }
198 }
199
200
236 |
Popular Tags |
Java API By Example, From Geeks To Geeks.