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1
17 package org.eclipse.emf.ecore.xmi.impl;
18
19
20 import java.util.HashMap  ;
21
22 import org.eclipse.emf.ecore.EObject;
23 import org.eclipse.emf.ecore.EStructuralFeature;
24 import org.eclipse.emf.ecore.util.ExtendedMetaData;
25 import org.eclipse.emf.ecore.xmi.DOMHandler;
26 import org.eclipse.emf.ecore.xmi.DOMHelper;
27 import org.w3c.dom.Attr ;
28 import org.w3c.dom.Node ;
29
30
31
35 public class DefaultDOMHandlerImpl implements DOMHandler, DOMHelper
36 {
37
38 protected final HashMap nodeToObject = new HashMap ();
39
40
41 protected final HashMap nodeToFeature = new HashMap ();
42
43
44 protected final HashMap nodeToContainer = new HashMap ();
45
46 protected ExtendedMetaData extendedMetaData;
47
48 void setExtendedMetaData(ExtendedMetaData extendedMetaData)
49 {
50 this.extendedMetaData = extendedMetaData;
51 }
52
53 public EObject getContainer(Node node)
54 {
55 short type = node.getNodeType();
56 switch (type)
57 {
58 case Node.ELEMENT_NODE:
59 {
60 Object o = nodeToObject.get(node);
61 if (o != null && o instanceof EObject)
62 {
63 return ((EObject)o).eContainer();
64 }
65 return (EObject)nodeToObject.get(node.getParentNode());
66 }
67 case Node.TEXT_NODE:
68 case Node.CDATA_SECTION_NODE:
69 {
70 Object o = nodeToContainer.get(node);
71 if (o != null)
72 {
73 return (EObject)o;
74 }
75 return (EObject)nodeToObject.get(node.getParentNode().getParentNode());
76 }
77 case Node.ATTRIBUTE_NODE:
78 return (EObject)nodeToObject.get(((Attr )node).getOwnerElement());
79 default:
80 return null;
81 }
82 }
83
84
87 public Object getValue(Node node)
88 {
89 Object value = nodeToObject.get(node);
90 if (value == null)
91 {
92 if (node.getNodeType() == Node.TEXT_NODE)
93 {
94 value = nodeToObject.get(node.getParentNode());
95 }
96 }
97 return value;
98 }
99
100 public EStructuralFeature getEStructuralFeature(Node node)
101 {
102 short type = node.getNodeType();
103 switch (type)
104 {
105 case Node.ELEMENT_NODE:
106 return (EStructuralFeature)nodeToFeature.get(node);
107 case Node.ATTRIBUTE_NODE:
108 {
109 EObject obj = (EObject)nodeToObject.get(((Attr )node).getOwnerElement());
110 if (extendedMetaData == null)
111 {
112 return obj.eClass().getEStructuralFeature(node.getLocalName());
113 }
114 else if (obj != null)
115 {
116 return extendedMetaData.getAttribute(obj.eClass(), node.getNamespaceURI(), node.getLocalName());
117 }
118 }
119 case Node.TEXT_NODE:
120 case Node.CDATA_SECTION_NODE:
121 {
122 EStructuralFeature feature = (EStructuralFeature)nodeToFeature.get(node);
123 if (feature == null)
124 {
125 feature = (EStructuralFeature)nodeToFeature.get(node.getParentNode());
126 }
127 return feature;
128 }
129 default:
130 return null;
131 }
132 }
133
134 public void recordValues(Node node, EObject container, EStructuralFeature feature, Object value)
135 {
136 debug(node, container, feature, value);
137
138 short type = node.getNodeType();
139 switch (type)
140 {
141 case Node.ELEMENT_NODE:
142 {
143 nodeToFeature.put(node, feature);
144 }
146 case Node.ATTRIBUTE_NODE:
147 {
148 if (value != null)
149 {
150 nodeToObject.put(node, value);
151 }
152 break;
153 }
154 case Node.TEXT_NODE:
155 {
156 if (nodeToObject.get(node.getParentNode()) == value)
157 {
158 break;
159 }
160 }
162 case Node.CDATA_SECTION_NODE:
163 {
164 nodeToFeature.put(node, feature);
165 nodeToContainer.put(node, container);
166 nodeToObject.put(node, value);
167 }
168 }
169 }
170
171 public DOMHelper getDOMHelper()
172 {
173 return this;
174 }
175
176 final static boolean DEBUG = false;
177
178 private static final void debug(Node node, EObject container, EStructuralFeature feature, Object value)
179 {
180 if (DEBUG)
181 {
182 StringBuffer buf = new StringBuffer ();
183
184 buf.append("recordValues( ");
185 buf.append(" {");
186 switch (node.getNodeType())
187 {
188 case Node.ELEMENT_NODE:
189 buf.append("ELEMENT_NODE ");
190 break;
191 case Node.ATTRIBUTE_NODE:
192 buf.append("ATTRIBUTE_NODE ");
193 break;
194 case Node.TEXT_NODE:
195 buf.append("TEXT_NODE ");
196 break;
197 case Node.CDATA_SECTION_NODE:
198 buf.append("CDATA_SECTION_NODE ");
199 break;
200 default:
201 buf.append("UNKNOWN ");
202 break;
203 }
204 buf.append(node.getNodeName());
205 buf.append("{ " + node.getNodeValue() + " }, ");
206 if (container != null)
207 {
208 buf.append(container.eClass().getName() + ", ");
209 }
210 else
211 {
212 buf.append("null, ");
213 }
214 if (feature != null)
215 {
216 buf.append(feature.getName() + ", ");
217 }
218 else
219 {
220 buf.append("null, ");
221 }
222 if (value != null)
223 {
224 buf.append(value.getClass().getName() + ": " + value.toString() + ");");
225 }
226 else
227 {
228 buf.append("null);");
229 }
230 System.out.println(buf.toString());
231 }
232 }
233 }
234 |
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