1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
|
package org.eclipse.e4.tools.emf.editor3x;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.IWorkspaceRoot;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.core.runtime.IConfigurationElement;
import org.eclipse.core.runtime.IExtension;
import org.eclipse.e4.tools.emf.ui.common.IModelElementProvider;
import org.eclipse.e4.ui.model.fragment.impl.FragmentPackageImpl;
import org.eclipse.emf.common.util.TreeIterator;
import org.eclipse.emf.common.util.URI;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.ecore.resource.Resource;
import org.eclipse.emf.ecore.resource.ResourceSet;
import org.eclipse.emf.ecore.resource.impl.ResourceSetImpl;
import org.eclipse.emf.ecore.util.EcoreUtil;
import org.eclipse.pde.internal.core.PDEExtensionRegistry;
public class TargetElementProviders implements IModelElementProvider {
private static final String APP_E4XMI_DEFAULT = "Application.e4xmi";
private ResourceSet resourceSet;
public void getModelElements(Filter filter, ModelResultHandler handler) {
if( resourceSet == null ) {
resourceSet = new ResourceSetImpl();
PDEExtensionRegistry reg = new PDEExtensionRegistry();
IExtension[] extensions = reg.findExtensions("org.eclipse.e4.workbench.model", true);
IWorkspaceRoot root = ResourcesPlugin.getWorkspace().getRoot();
for( IExtension ext : extensions ) {
for( IConfigurationElement el : ext.getConfigurationElements() ) {
if( el.getName().equals("fragment") ) {
URI uri;
// System.err.println("Model-Ext: Checking: " + ext.getContributor().getName());
IProject p = root.getProject(ext.getContributor().getName());
if( p.exists() && p.isOpen() ) {
uri = URI.createPlatformResourceURI(ext.getContributor().getName() + "/" + el.getAttribute("uri"), true);
} else {
uri = URI.createURI("platform:/plugin/" + ext.getContributor().getName() + "/" + el.getAttribute("uri") );
}
// System.err.println(uri);
try {
resourceSet.getResource(uri, true);
} catch (Exception e) {
e.printStackTrace();
// System.err.println("=============> Failing");
}
}
}
}
extensions = reg.findExtensions("org.eclipse.core.runtime.products", true);
for( IExtension ext : extensions ) {
for( IConfigurationElement el : ext.getConfigurationElements() ) {
if( el.getName().equals("product") ) {
boolean xmiPropertyPresent = false;
for( IConfigurationElement prop: el.getChildren("property") ) {
if( prop.getAttribute("name").equals("applicationXMI") ) {
String v = prop.getAttribute("value");
setUpResourceSet(root, v);
xmiPropertyPresent = true;
break;
}
}
if (!xmiPropertyPresent){
setUpResourceSet(root, ext.getNamespaceIdentifier()+"/"+APP_E4XMI_DEFAULT);
break;
}
}
}
}
}
applyFilter(filter, handler);
}
private void setUpResourceSet(IWorkspaceRoot root, String v) {
String[] s = v.split("/");
URI uri;
// System.err.println("Product-Ext: Checking: " + v + " => P:" + s[0] + "");
IProject p = root.getProject(s[0]);
if( p.exists() && p.isOpen() ) {
uri = URI.createPlatformResourceURI(v, true );
} else {
uri = URI.createURI("platform:/plugin/" + v );
}
// System.err.println(uri);
try {
//prevent some unnecessary calls by checking the uri
if (resourceSet.getURIConverter().exists(uri, null)
)
resourceSet.getResource(uri, true);
} catch (Exception e) {
e.printStackTrace();
// System.err.println("=============> Failing");
}
}
private void applyFilter(Filter filter, ModelResultHandler handler) {
for (Resource res : resourceSet.getResources()) {
TreeIterator<EObject> it = EcoreUtil.getAllContents(res,
true);
while (it.hasNext()) {
EObject o = it.next();
if (o.eContainingFeature() == FragmentPackageImpl.Literals.MODEL_FRAGMENTS__IMPORTS) {
// System.err
// .println("Skipped because it is an import");
} else {
if (o.eClass().equals(filter.eClass)) {
// System.err.println("Found: " + o);
handler.result(o);
}
}
}
}
}
public void clearCache() {
for (Resource r : resourceSet.getResources()) {
r.unload();
}
resourceSet = null;
}
}
|
