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19 package org.netbeans.mdr.util;
20
21 import java.util.*;
22 import javax.jmi.reflect.*;
23
24 import org.w3c.dom.*;
25
26 import org.netbeans.api.mdr.*;
27
28 import org.netbeans.lib.jmi.util.*;
29
30
34 public abstract class XmiUtils {
35 private static HashMap namespaces = new HashMap();
36
37 static {
38 namespaces.put("Model", "Model");
39 namespaces.put("UML", "Model_Management");
40 namespaces.put("CWMOLAP", "Olap");
41 namespaces.put("CWMTFM", "Transformation");
42 namespaces.put("CWM", "BusinessInformation");
43 namespaces.put("CWMRDB", "Relational");
44 }
45
46 public static String  getXmiAttrValueAsString(Node node, String attributeName) {
47 String result = null;
48 if (node != null) {
49 result = getAttributeValueAsString( node, getShortName(attributeName));
50 if (result == null) result = getElementValueAsString( node, attributeName );
51 }
52 return result;
53 }
54
55 public static List getXmiMultiValueAsString(Node node, String attributeName) {
56 List result = null;
57 if (node != null) {
58 return getElementValueAsStringList( node, attributeName );
60 }
61 return result;
62 }
63
64 public static List getXmiRefValue(Node node, String attributeName) {
65 List value = new ArrayList();
66 if (node != null) {
67 String attr = getAttributeValueAsString(node, getShortName(attributeName));
68 if (attr == null) {
69 Node refNode = getChildNode(node, attributeName);
70 if (refNode != null) {
71 NodeList values = refNode.getChildNodes();
72 for (int i = 0; i < values.getLength(); i++) {
73 if (isTextNode(values.item(i))) continue;
74 value.add(getAttributeValueAsString(values.item(i), XmiConstants.XMI_IDREF));
75 }
76 }
77 } else {
78 int pos;
80 while ((pos = attr.indexOf(' ')) > -1) {
81 if (pos > 0) {
82 value.add(attr.substring(0, pos));
83 }
84 attr = attr.substring(pos + 1);
85 }
86 value.add(attr);
87 }
88 }
89 return value;
90 }
91
92 public static String getAttributeValueAsString(Node node, String attributeName) {
93 String result = null;
94 if ( (node != null) && (node.hasAttributes()) ) {
95 Node attribute = node.getAttributes().getNamedItem(attributeName);
96 if (attribute != null) result = attribute.getNodeValue();
97 }
98 return result;
99 }
100
101 public static String getElementValueAsString(Node node, String attributeName) {
102 String result = null;
103 if (node != null) {
104 Node attributeNode = getChildNode( node, attributeName );
105 if (attributeNode != null) {
106 attributeNode = attributeNode.getFirstChild();
107 if (attributeNode == null) {
108 result = "";
109 } else {
110 result = attributeNode.getNodeValue();
111 }
112 }
113 }
114 return result;
115 }
116
117 public static List getElementValueAsStringList(Node node, String attributeName) {
118 List result = null;
119 if (node != null) {
120 List l = getChildNodeList( node, attributeName );
121 if (l != null) {
122 result = new ArrayList(l.size());
123 for (Iterator it = l.iterator(); it.hasNext(); ) {
124 Node attributeNode = ((Node)it.next()).getFirstChild();
125 if (attributeNode == null) {
126 result.add("");
127 } else {
128 result.add(attributeNode.getNodeValue());
129 }
130 }
131 }
132 }
133 return result;
134 }
135
136 public static List getChildNodeList(Node parentNode, String childNodeName) {
137 List result = null;
138 if ((parentNode != null) && (childNodeName != null)) {
139 NodeList children = parentNode.getChildNodes();
140 for (int cnt = 0; cnt < children.getLength(); cnt++) {
141 Node child = children.item(cnt);
142 if (childNodeName.equals(resolveFullName(child))) {
144 if (result == null)
145 result = new LinkedList();
146 result.add(child);
147 }
148 }
149 }
150 return result;
151 }
152
153 public static Node getChildNode(Node parentNode, String childNodeName) {
154 Node result = null;
155 if ((parentNode != null) && (childNodeName != null)) {
156 NodeList children = parentNode.getChildNodes();
157 for (int cnt = 0; cnt < children.getLength(); cnt++) {
158 Node child = children.item(cnt);
159 if (childNodeName.equals(resolveFullName(child))) {
161 result = child;
162 break;
163 }
164 }
165 }
166 return result;
167 }
168
169 public static String resolveFullName(Node element) {
170 if (isXmiNode(element)) return element.getNodeName();
171 return resolveFullNameAsString( element.getNodeName() );
172 }
173
174 public static String resolveFullNameAsString(String fullName) {
175 if (fullName != null) {
179 int index;
180 if ((index = fullName.indexOf(':')) > 0) {
181 return namespaces.get(fullName.substring(0, index)) + "." + fullName.substring(index + 1);
183 } else {
184 return fullName;
185 }
186 }
187 else
188 return null;
189 }
190
191 public static String getShortName(String fullyQualifiedName) {
192 String result = fullyQualifiedName;
193 if ((fullyQualifiedName != null) && (fullyQualifiedName.toUpperCase(Locale.US).indexOf( XmiConstants.XMI_PREFIX ) > -1)) return fullyQualifiedName;
194 if ((result != null) && (result.indexOf(XmiConstants.NS_SEPARATOR)>-1)) result = result.substring(result.indexOf(XmiConstants.NS_SEPARATOR)+1);
195 if ((result != null) && (result.indexOf(XmiConstants.DOT_SEPARATOR)>-1)) result = result.substring(result.lastIndexOf(XmiConstants.DOT_SEPARATOR)+1);
196 return result;
197 }
198
199 public static boolean isTextNode(Node node) {
200 boolean result = false;
201 if (node != null) result = (node.getNodeName().equals( XmiConstants.TEXT_NODE_NAME ) || node.getNodeName().equals( XmiConstants.COMMENT_NODE_NAME ));
202 return result;
203 }
204
205 public static boolean isXmiNavigationNode(Node node) {
206 boolean result = false;
207 if (node != null) {
208 result = (node.getNodeName().equals( XmiConstants.XMI_ID ) || result);
209 result = (node.getNodeName().equals( XmiConstants.XMI_UUID ) || result);
210 result = (node.getNodeName().equals( XmiConstants.XMI_LABEL ) || result);
211 result = (node.getNodeName().equals( XmiConstants.XMI_IDREF ) || result);
212 }
213 return result;
214 }
215
216 public static boolean isXmiNode(Node node) {
217 boolean result = false;
218 if (node != null) {
219 result |= isXmiNavigationNode(node);
220 result |= node.getNodeName().equals(XmiConstants.XMI_ANY_TYPE);
221 }
222 return result;
223 }
224
225 public static class XmiNodeIterator {
226
227 private Node node = null;
228 private String attrName;
229 private String attrValue;
230 private String nodeName;
231
232 private NodeList childNodes = null;
233 private Node currentNode = null;
234 private int index = 0;
235
236 public XmiNodeIterator(Node node,String nodeName) {
237 this.attrName = null;
238 this.attrValue = null;
239 this.nodeName= nodeName;
240 this.node = node;
241 this.childNodes = node.getChildNodes();
242 findNext();
243 }
244
245 public XmiNodeIterator(Node node,String attrName,String attrValue) {
246 this.attrName = attrName;
247 this.attrValue = attrValue;
248 this.nodeName = null;
249 this.node = node;
250 this.childNodes = node.getChildNodes();
251 findNext();
252 }
253
254 public XmiNodeIterator(Node node) {
255 this( node, null, null );
256 }
257
258 public boolean hasNext() {
259 return currentNode != null;
260 }
261
262 public Node next() {
263 Node result = currentNode;
264 findNext();
265 return result;
266 }
267
268 private void findNext() {
269
270 for( int i = index; i < childNodes.getLength(); i++ ) {
271
272 Node sn = childNodes.item( i );
273 if ( isTextNode( sn ) ) continue;
274
275 if ( attrName != null && (
276 getXmiAttrValueAsString( sn, attrName ) == null ||
277 !getXmiAttrValueAsString( sn, attrName ).equals( attrValue ) ) ) {
278 continue;
279 }
280
281 if ( nodeName != null && (!resolveFullName(sn).substring(nodeName.lastIndexOf('.') + 1).equals(nodeName.substring(nodeName.lastIndexOf('.') + 1)))) {
282 continue;
283 }
284
285 currentNode = sn;
286 index = i + 1;
287 return;
288 }
289
290 currentNode = null;
291 index = childNodes.getLength();
292 }
293 }
294 }
295 |
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