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1
17 package org.eclipse.emf.ecore.xmi.impl;
18
19 import java.lang.reflect.Constructor  ;
20 import java.lang.reflect.Method ;
21 import java.util.Collection ;
22 import java.util.Map ;
23
24 import org.eclipse.emf.common.CommonPlugin;
25 import org.eclipse.emf.common.util.URI;
26 import org.eclipse.emf.ecore.EPackage;
27 import org.eclipse.emf.ecore.util.ExtendedMetaData;
28 import org.eclipse.emf.ecore.xmi.XMIPlugin;
29 import org.eclipse.emf.ecore.xmi.XMLHelper;
30 import org.eclipse.emf.ecore.xmi.XMLLoad;
31 import org.eclipse.emf.ecore.xmi.XMLResource;
32 import org.eclipse.emf.ecore.xmi.impl.SAXWrapper;
33 import org.eclipse.emf.ecore.xmi.impl.SAXXMLHandler;
34 import org.eclipse.emf.ecore.xmi.impl.XMLLoadImpl;
35 import org.eclipse.emf.ecore.xmi.impl.XMLResourceImpl;
36 import org.xml.sax.helpers.DefaultHandler ;
37
38
39 public class GenericXMLResourceImpl extends XMLResourceImpl
40 {
41 protected static final Class xsdEcoreBuilderClass;
42 protected static final Constructor xsdEcoreBuilderConstructor;
43 protected static final Method xsdEcoreBuilderGenerateResourcesMethod;
44
45 static
46 {
47 Class theXSDEcoreBuilderClass = null;
48 Constructor theXSDEcoreBuilderConstructor = null;
49 Method theXSDEcoreBuilderGenerateResourcesMethod = null;
50
51 try
52 {
53 theXSDEcoreBuilderClass = CommonPlugin.loadClass("org.eclipse.xsd", "org.eclipse.xsd.ecore.XSDEcoreBuilder");
54 theXSDEcoreBuilderConstructor = theXSDEcoreBuilderClass.getConstructor(new Class [] { ExtendedMetaData.class });
55 theXSDEcoreBuilderGenerateResourcesMethod = theXSDEcoreBuilderClass.getMethod("generateResources", new Class [] { Collection .class });
56 }
57 catch (Exception exception)
58 {
59 XMIPlugin.INSTANCE.log(exception);
60 exception.printStackTrace();
61 }
62
63 xsdEcoreBuilderClass = theXSDEcoreBuilderClass;
64 xsdEcoreBuilderConstructor = theXSDEcoreBuilderConstructor;
65 xsdEcoreBuilderGenerateResourcesMethod = theXSDEcoreBuilderGenerateResourcesMethod;
66 }
67
68 public GenericXMLResourceImpl(URI uri)
69 {
70 super(uri);
71 }
72
73 protected static class GenericXMLLoadImpl extends XMLLoadImpl
74 {
75 protected GenericXMLLoadImpl(XMLHelper helper)
76 {
77 super(helper);
78 }
79
80 protected DefaultHandler makeDefaultHandler()
81 {
82 return new SAXWrapper(new GenericSAXXMLHandler(resource, helper, options));
83 }
84 }
85
86 protected static class GenericSAXXMLHandler extends SAXXMLHandler
87 {
88 protected Object xsdEcoreBuilder;
89 protected Collection generatedResources;
90
91 protected GenericSAXXMLHandler(XMLResource xmlResource, XMLHelper helper, Map options)
92 {
93 super(xmlResource, helper, options);
94 }
95
96 protected void handleTopLocations(String prefix, String name)
97 {
98 if (urisToLocations != null && xsdEcoreBuilderConstructor != null && xsdEcoreBuilderGenerateResourcesMethod != null)
99 {
100 try
101 {
102 xsdEcoreBuilder = xsdEcoreBuilderConstructor.newInstance(new Object [] { extendedMetaData });
103 generatedResources =
104 (Collection )xsdEcoreBuilderGenerateResourcesMethod.invoke(xsdEcoreBuilder, new Object [] { urisToLocations.values() });
105 }
107 catch (Exception exception)
108 {
109 XMIPlugin.INSTANCE.log(exception);
110 }
111 }
112
113 String namespaceURI = helper.getURI(prefix);
116 if (extendedMetaData.getPackage(namespaceURI) == null)
117 {
118 extendedMetaData.demandFeature(namespaceURI, name, true);
119 }
120 }
121
122 protected EPackage handleMissingPackage(String uriString)
123 {
124 return
125 objects.isEmpty() ?
126 extendedMetaData.demandPackage(uriString) :
127 super.handleMissingPackage(uriString);
128 }
129 }
130
131 protected XMLLoad createXMLLoad()
132 {
133 return new GenericXMLLoadImpl(createXMLHelper());
134 }
135 } |
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