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21 package oracle.toplink.essentials.platform.xml.jaxp;
23
24 import java.io.OutputStream  ;
25 import java.io.Writer ;
26 import java.net.URL ;
27 import javax.xml.transform.OutputKeys ;
28 import javax.xml.transform.Result ;
29 import javax.xml.transform.Source ;
30 import javax.xml.transform.Transformer ;
31 import javax.xml.transform.TransformerConfigurationException ;
32 import javax.xml.transform.TransformerException ;
33 import javax.xml.transform.TransformerFactory ;
34 import javax.xml.transform.dom.DOMResult ;
35 import javax.xml.transform.dom.DOMSource ;
36 import javax.xml.transform.sax.SAXResult ;
37 import javax.xml.transform.stream.StreamResult ;
38 import javax.xml.transform.stream.StreamSource ;
39 import oracle.toplink.essentials.platform.xml.XMLPlatformException;
40 import oracle.toplink.essentials.platform.xml.XMLTransformer;
41 import org.w3c.dom.Document ;
42 import org.w3c.dom.Node ;
43 import org.xml.sax.ContentHandler ;
44
45 public class JAXPTransformer implements XMLTransformer {
46 private boolean fragment;
47 private static final String NO = "no";
48 private static final String YES = "yes";
49 private Transformer transformer;
50
51 public JAXPTransformer() {
52 super();
53 try {
54 TransformerFactory transformerFactory = TransformerFactory.newInstance();
55 transformer = transformerFactory.newTransformer();
56 } catch (TransformerConfigurationException e) {
57 throw XMLPlatformException.xmlPlatformTransformException(e);
58 }
59 }
60
61 public String getEncoding() {
62 return transformer.getOutputProperty(OutputKeys.ENCODING);
63 }
64
65 public void setEncoding(String encoding) {
66 transformer.setOutputProperty(OutputKeys.ENCODING, encoding);
67 }
68
69 public boolean isFormattedOutput() {
70 return transformer.getOutputProperty(OutputKeys.INDENT).equals(YES);
71 }
72
73 public void setFormattedOutput(boolean shouldFormat) {
74 if (shouldFormat) {
75 transformer.setOutputProperty(OutputKeys.INDENT, YES);
76 } else {
77 transformer.setOutputProperty(OutputKeys.INDENT, NO);
78 }
79 }
80
81 public String getVersion() {
82 return transformer.getOutputProperty(OutputKeys.VERSION);
83 }
84
85 public void setVersion(String version) {
86 transformer.setOutputProperty(OutputKeys.VERSION, version);
87 }
88
89 public void transform(Node sourceNode, OutputStream resultOutputStream) throws XMLPlatformException {
90 DOMSource source = new DOMSource (sourceNode);
91 StreamResult result = new StreamResult (resultOutputStream);
92 if (isFragment()) {
93 transformer.setOutputProperty(OutputKeys.OMIT_XML_DECLARATION, "yes");
94 }
95 transform(source, result);
96 }
97
98 public void transform(Node sourceNode, ContentHandler resultContentHandler) throws XMLPlatformException {
99 DOMSource source = new DOMSource (sourceNode);
100 SAXResult result = new SAXResult (resultContentHandler);
101
102 transform(source, result);
103 }
104
105 public void transform(Node sourceNode, Result result) throws XMLPlatformException {
106 DOMSource source = null;
107 if ((isFragment()) && (result instanceof SAXResult )) {
108 if (sourceNode instanceof Document ) {
109 source = new DOMSource (((Document )sourceNode).getDocumentElement());
110 }
111 } else {
112 source = new DOMSource (sourceNode);
113 }
114 transform(source, result);
115 }
116
117 public void transform(Node sourceNode, Writer resultWriter) throws XMLPlatformException {
118 DOMSource source = new DOMSource (sourceNode);
119 StreamResult result = new StreamResult (resultWriter);
120
121 if (isFragment()) {
122 transformer.setOutputProperty(OutputKeys.OMIT_XML_DECLARATION, "yes");
123 }
124 transform(source, result);
125 }
126
127 public void transform(Source source, Result result) throws XMLPlatformException {
128 try {
129 if ((result instanceof StreamResult ) && (isFragment())) {
130 transformer.setOutputProperty(OutputKeys.OMIT_XML_DECLARATION, "yes");
131 }
132 transformer.transform(source, result);
133 } catch (TransformerException e) {
134 throw XMLPlatformException.xmlPlatformTransformException(e);
135 }
136 }
137
138 public void transform(Document sourceDocument, Node resultParentNode, URL stylesheet) throws XMLPlatformException {
139 try {
140 TransformerFactory transformerFactory = TransformerFactory.newInstance();
141 StreamSource stylesheetSource = new StreamSource (stylesheet.openStream());
142 Transformer transformer = transformerFactory.newTransformer(stylesheetSource);
143 DOMSource source = new DOMSource (sourceDocument);
144 DOMResult result = new DOMResult (resultParentNode);
145 transformer.transform(source, result);
146 } catch (Exception e) {
147 throw XMLPlatformException.xmlPlatformTransformException(e);
148 }
149 }
150
151 public void setFragment(boolean fragment) {
152 this.fragment = fragment;
153 }
154
155 public boolean isFragment() {
156 return fragment;
157 }
158 }
159 |
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