|
1
22
23 package org.meshcms.util;
24
25 import java.io.*;
26 import org.xml.sax.*;
27 import org.xml.sax.helpers.*;
28 import javax.xml.transform.*;
29 import javax.xml.transform.stream.*;
30 import javax.xml.transform.sax.*;
31
32 public class XHTMLFastBuilder extends XHTMLTagStack {
33 TransformerHandler hd;
34 AttributesImpl atts;
35 String  nextTag;
36
37 public XHTMLFastBuilder(Writer out, String charset) throws TransformerConfigurationException {
38 StreamResult streamResult = new StreamResult(out);
39 SAXTransformerFactory tf = (SAXTransformerFactory) SAXTransformerFactory.newInstance();
40 hd = tf.newTransformerHandler();
41 Transformer serializer = hd.getTransformer();
42 configureTransformer(serializer, charset);
43 hd.setResult(streamResult);
44
45 try {
46 hd.startDocument();
47 } catch (SAXException ex) {
48 manageSAXExceptions(ex);
49 }
50
51 atts = new AttributesImpl();
52 }
53
54 private void openPendingTag() {
55 if (nextTag != null) {
56 try {
57 hd.startElement("", "", nextTag, atts);
58 } catch (SAXException ex) {
59 manageSAXExceptions(ex);
60 }
61
62 atts.clear();
63 nextTag = null;
64 }
65 }
66
67 public String getCurrentTagName() {
68 return tagStack.empty() ? null : (String ) tagStack.peek();
69 }
70
71 public XHTMLTagStack openTag(String tagName) {
72 openPendingTag();
73 nextTag = tagName;
74 tagStack.push(tagName);
75 return this;
76 }
77
78 public XHTMLTagStack setAttribute(String name, String value) {
79 atts.addAttribute("", "", name, "CDATA", value);
80 return this;
81 }
82
83 public XHTMLTagStack addText(String textData) {
84 openPendingTag();
85
86 try {
87 hd.characters(textData.toCharArray(), 0, textData.length());
88 } catch (SAXException ex) {
89 manageSAXExceptions(ex);
90 }
91
92 return this;
93 }
94
95 public XHTMLTagStack addCDATA(String textData) {
96 openPendingTag();
97
98 try {
99 hd.startCDATA();
100 addText(textData);
101 hd.endCDATA();
102 } catch (SAXException ex) {
103 manageSAXExceptions(ex);
104 }
105
106 return this;
107 }
108
109 protected void performCloseTag() {
110 openPendingTag();
111
112 try {
113 hd.endElement("", "", (String ) tagStack.pop());
114 } catch (SAXException ex) {
115 manageSAXExceptions(ex);
116 }
117 }
118
119 public void flush() {
120 try {
121 hd.endDocument();
122 } catch (SAXException ex) {
123 manageSAXExceptions(ex);
124 }
125 }
126
127 private void manageSAXExceptions(SAXException ex) {
128 ex.printStackTrace();
129 }
130
131 public static void main(String [] args) throws Exception {
132 XHTMLFastBuilder doc = new XHTMLFastBuilder(new PrintWriter(System.out), "UTF-8");
133 doc.test();
134 doc.flush();
135 }
136 }
137 |
Popular Tags |
Java API By Example, From Geeks To Geeks.