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1
51 package org.apache.fop.tools.xslt;
52
53 import javax.xml.transform.*;
54
55 import java.io.InputStream  ;
56 import java.io.Writer ;
57
58 import java.util.HashMap ;
59 import org.w3c.dom.Document ;
60
61
64
65 public class TraxTransform {
66
67
70 private static HashMap _stylesheetCache = new HashMap ();
71
72 public static Transformer getTransformer(String xsltFilename,
73 boolean cache) {
74 try {
75 if (cache && _stylesheetCache.containsKey(xsltFilename)) {
76 Templates cachedStylesheet =
77 (Templates)_stylesheetCache.get(xsltFilename);
78 return cachedStylesheet.newTransformer();
79 }
80
81 Source xslSheet =
82 new javax.xml.transform.stream.StreamSource (xsltFilename);
83
84
85
90 TransformerFactory factory = TransformerFactory.newInstance();
91
92 Templates compiledSheet = factory.newTemplates(xslSheet);
93 if (cache) {
94 _stylesheetCache.put(xsltFilename, compiledSheet);
95 }
96 return compiledSheet.newTransformer();
97 } catch (TransformerConfigurationException ex) {
98 ex.printStackTrace();
99 }
100 return null;
101
102 }
103
104 public static void transform(String xmlSource, String xslURL,
105 String outputFile) {
106 transform(new javax.xml.transform.stream.StreamSource (xmlSource),
107 new javax.xml.transform.stream.StreamSource (xslURL),
108 new javax.xml.transform.stream.StreamResult (outputFile));
109 }
110
111 public static void transform(Document xmlSource, String xslURL,
112 String outputFile) {
113
114 transform(new javax.xml.transform.dom.DOMSource (xmlSource),
115 new javax.xml.transform.stream.StreamSource (xslURL),
116 new javax.xml.transform.stream.StreamResult (outputFile));
117
118 }
119
120 public static void transform(String xmlSource, String xslURL,
121 Writer output) {
122 transform(new javax.xml.transform.stream.StreamSource (xmlSource),
123 new javax.xml.transform.stream.StreamSource (xslURL),
124 new javax.xml.transform.stream.StreamResult (output));
125 }
126
127 public static void transform(Document xmlSource, InputStream xsl,
128 Document outputDoc) {
129 transform(new javax.xml.transform.dom.DOMSource (xmlSource),
130 new javax.xml.transform.stream.StreamSource (xsl),
131 new javax.xml.transform.dom.DOMResult (outputDoc));
132 }
133
134 public static void transform(Source xmlSource, Source xslSource,
135 Result result) {
136 try {
137 Transformer transformer;
138 if (xslSource.getSystemId() == null) {
139 TransformerFactory factory = TransformerFactory.newInstance();
140 transformer = factory.newTransformer(xslSource);
141 } else {
142 transformer = getTransformer(xslSource.getSystemId(), true);
143 }
144 transformer.transform(xmlSource, result);
145 } catch (TransformerConfigurationException ex) {
146 ex.printStackTrace();
147 } catch (TransformerException ex) {
148 ex.printStackTrace();
149 }
150
151 }
152
153 }
154 |
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