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1
19
20 package org.netbeans.modules.mdrxml;
21
22 import org.xml.sax.*;
23
24 import java.util.*;
25 import java.io.*;
26
27 import org.openide.*;
28 import org.openide.filesystems.*;
29 import org.openide.loaders.*;
30 import org.openide.xml.*;
31 import org.openide.util.*;
32
33
35 import org.netbeans.api.mdr.*;
36 import xmlmodel.*;
37
38 import javax.jmi.reflect.RefPackage;
39 import javax.jmi.model.*;
40
41
46 public class FillRepositoryAction extends org.netbeans.modules.mdrxml.util.XMLToolsAction {
47
48 private static final boolean DEBUG = false;
49
50 xmlmodel.Contains contains;
52 xmlmodel.TextNodeClass textNodeClass;
53 xmlmodel.RootNodeClass rootNodeClass;
54 xmlmodel.AttributeNodeClass attributeClass;
55 xmlmodel.ElementNodeClass nodeClass;
56
57
58 public FillRepositoryAction() {
59 }
60
61 public org.openide.util.HelpCtx getHelpCtx() {
62 return null;
63 }
64
65 public String  getName() {
66 return "Fill MDRepository";
67 }
68
69 protected void performXMLAction(FileObject fo) {
70
71
73
75 MDRepository repository = MDRManager.getDefault().getDefaultRepository();
77 TopManager tm = TopManager.getDefault();
78
79 XmlmodelPackage extent = (XmlmodelPackage) repository.getExtent(MDRXMLModule.XML_MODEL);
81 contains = extent.getContains();
82 textNodeClass = extent.getTextNode();
83 rootNodeClass = extent.getRootNode();
84 attributeClass = extent.getAttributeNode();
85 nodeClass = extent.getElementNode();
86
87 try {
89 repository.beginTrans(true);
90 tm.setStatusText ("XML parsing started.");
91
92 String id = fo.getURL().toExternalForm();
93 if (DEBUG) System.err.println("URL:" + id);
94 ParserImpl impl = new ParserImpl(id);
95 XMLReader reader = XMLUtil.createXMLReader();
96
98 reader.setErrorHandler( new ErrorHandler() {
99 public void error(SAXParseException ex) throws SAXException {
100 throw ex;
101 }
102 public void warning(SAXParseException ex) throws SAXException {
103 throw ex;
104 }
105
106 public void fatalError(SAXParseException ex) throws SAXException {
107 throw ex;
108 }
109
110 });
111 InputSource in = new InputSource(id);
112 in.setByteStream(fo.getInputStream());
113 reader.setContentHandler(impl);
114 reader.parse(in);
115 } catch (IOException ex) {
116 tm.notifyException(ex);
118 } catch (SAXException ex) {
119 tm.notifyException(ex);
122 } finally {
123 repository.endTrans();
124 tm.setStatusText ("XML parsing finished.");
125 }
126 }
127
128 private class ParserImpl implements ContentHandler {
129
130 private final StringBuffer content = new StringBuffer ();
131 private boolean root = true;
132 private final Stack parents = new Stack();
133 private final String name;
134
135 public ParserImpl(String documentID) {
136 name = documentID;
137 }
138
139 public void characters(char[] values, int offset, int len) throws org.xml.sax.SAXException {
140 if (DEBUG) System.err.println("characters()");
141 content.append(values, offset, len);
142 }
143
144 public void endDocument() throws org.xml.sax.SAXException {
145 }
146
147 public void startDocument() throws org.xml.sax.SAXException {
148 parents.push(null);
149 }
150
151 public void startElement(String uri, String local, String qname, org.xml.sax.Attributes attrs) throws org.xml.sax.SAXException {
152
153 if (DEBUG) System.err.println("startElement");
154
155 String data = content.toString();
156 content.setLength(0);
157 ElementNode me = (ElementNode) parents.peek();
158 if (data.trim().length() > 0) {
159 Node text = textNodeClass.createTextNode(data);
160
161 contains.add(text, me);
163 }
164
165 ElementNode node;
167 if (root) {
168 node = rootNodeClass.createRootNode(qname, name);
169 root = false;
170 } else {
171 node = nodeClass.createElementNode(qname);
172 }
173
174 for (int i = 0; i<attrs.getLength(); i++) {
176 String name = attrs.getQName(i);
177 String val = attrs.getValue(i);
178 xmlmodel.AttributeNode attr = attributeClass.createAttributeNode(name, val);
179 contains.add(attr, node);
180 }
181
182 parents.push(node);
184 }
185
186 public void endElement(String str, String str1, String str2) throws org.xml.sax.SAXException {
187
188 if (DEBUG) System.err.println("endElement");
189
190 String data = content.toString();
191 content.setLength(0);
192 ElementNode me = (ElementNode) parents.pop();
193 if (data.trim().length() > 0) {
194 Node text = textNodeClass.createTextNode(data);
195
196 contains.add(text, me);
198 }
199
200 ElementNode parent = (ElementNode) parents.peek();
201 if (parent != null) {
202 contains.add(me, parent);
204 }
205 }
206
207 public void endPrefixMapping(String str) throws org.xml.sax.SAXException {
208 }
209
210 public void ignorableWhitespace(char[] values, int param, int param2) throws org.xml.sax.SAXException {
211 }
212
213 public void processingInstruction(String str, String str1) throws org.xml.sax.SAXException {
214 }
215
216 public void setDocumentLocator(org.xml.sax.Locator locator) {
217 }
218
219 public void skippedEntity(String str) throws org.xml.sax.SAXException {
220 }
221
222 public void startPrefixMapping(String str, String str1) throws org.xml.sax.SAXException {
223 }
224
225 }
226 }
227 |
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