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Diffstat (limited to 'plugins/org.eclipse.xtend.typesystem.emf/src/org/eclipse/xtend/typesystem/emf/EcoreUtil2.java')
-rw-r--r--plugins/org.eclipse.xtend.typesystem.emf/src/org/eclipse/xtend/typesystem/emf/EcoreUtil2.java186
1 files changed, 132 insertions, 54 deletions
diff --git a/plugins/org.eclipse.xtend.typesystem.emf/src/org/eclipse/xtend/typesystem/emf/EcoreUtil2.java b/plugins/org.eclipse.xtend.typesystem.emf/src/org/eclipse/xtend/typesystem/emf/EcoreUtil2.java
index 4b235845..2a816a4e 100644
--- a/plugins/org.eclipse.xtend.typesystem.emf/src/org/eclipse/xtend/typesystem/emf/EcoreUtil2.java
+++ b/plugins/org.eclipse.xtend.typesystem.emf/src/org/eclipse/xtend/typesystem/emf/EcoreUtil2.java
@@ -1,23 +1,18 @@
-/**
- * <copyright>
- *
- * Copyright (c) 2005-2006 Sven Efftinge (http://www.efftinge.de) and others.
- * All rights reserved. This program and the accompanying materials
+/*******************************************************************************
+ * Copyright (c) 2005-2009 itemis AG (http://www.itemis.eu) and others.
+ * All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
- * Contributors:
- * Sven Efftinge (http://www.efftinge.de) - Initial API and implementation
- *
- * </copyright>
- */
+ *******************************************************************************/
package org.eclipse.xtend.typesystem.emf;
import java.io.IOException;
import java.lang.reflect.Field;
import java.net.URL;
import java.util.ArrayList;
+import java.util.Collection;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Iterator;
@@ -27,6 +22,7 @@ import java.util.Set;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.eclipse.emf.common.util.EList;
+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.EPackage;
@@ -40,44 +36,68 @@ import org.eclipse.emf.mwe.core.resources.ResourceLoaderFactory;
/**
* Provides useful functions for usage of EMF.
+ *
* @since 4.0
*/
+@SuppressWarnings("unchecked")
public class EcoreUtil2 {
private final static Log log = LogFactory.getLog(EcoreUtil2.class);
static {
- Resource.Factory.Registry.INSTANCE.getExtensionToFactoryMap().put(Resource.Factory.Registry.DEFAULT_EXTENSION, new XMIResourceFactoryImpl());
+ Resource.Factory.Registry.INSTANCE.getExtensionToFactoryMap().put(Resource.Factory.Registry.DEFAULT_EXTENSION,
+ new XMIResourceFactoryImpl());
EPackage.Registry.INSTANCE.put(EcorePackage.eINSTANCE.getNsURI(), EcorePackage.eINSTANCE);
}
public final static EPackage getEPackage(final String pathToEcoreFile) {
- EPackage result = null;
+ EPackage topLevelPackage = null;
final URI fileURI = getURI(pathToEcoreFile);
if (fileURI == null)
- throw new RuntimeException("cannot resolve EPackage for " + pathToEcoreFile + ". Probably cannot find the .ecore file.");
+ throw new RuntimeException("cannot resolve EPackage for " + pathToEcoreFile
+ + ". Probably cannot find the .ecore file.");
try {
final Resource res = new ResourceSetImpl().createResource(fileURI);
if (res == null)
- throw new ConfigurationException("No ecore model file '" + pathToEcoreFile + "' found! (" + fileURI.toString() + ")");
+ throw new ConfigurationException("No ecore model file '" + pathToEcoreFile + "' found! ("
+ + fileURI.toString() + ")");
res.load(new HashMap());
- result = (EPackage) res.getContents().get(0);
- if (result.getNsURI() != null) {
- if (EPackage.Registry.INSTANCE.containsKey(result.getNsURI())) {
- result = EPackage.Registry.INSTANCE.getEPackage(result.getNsURI());
- } else {
- EPackage.Registry.INSTANCE.put(result.getNsURI(), result);
- URIConverter.URI_MAP.put(URI.createURI(result.getNsURI()), fileURI);
- }
- }
- return result;
- } catch (final IOException e) {
+ topLevelPackage = (EPackage) res.getContents().get(0);
+ registerPackage(topLevelPackage, fileURI);
+ registerSubPackages(topLevelPackage, fileURI);
+ return topLevelPackage;
+ }
+ catch (final IOException e) {
throw new ConfigurationException(e);
- } finally {
+ }
+ finally {
logPackages();
}
}
+ private static void registerSubPackages(EPackage ePackage, URI fileURI) {
+ if (ePackage == null || fileURI == null)
+ throw new IllegalArgumentException();
+
+ for (TreeIterator<EObject> it = ePackage.eAllContents(); it.hasNext();) {
+ EObject obj = it.next();
+ if (obj instanceof EPackage) {
+ EPackage p = (EPackage) obj;
+ registerPackage(p, fileURI);
+ }
+ }
+
+ }
+
+ private static void registerPackage(EPackage ePackage, final URI fileURI) {
+ if (ePackage != null && fileURI != null && ePackage.getNsURI() != null) {
+ if (!EPackage.Registry.INSTANCE.containsKey(ePackage.getNsURI())) {
+ EPackage.Registry.INSTANCE.put(ePackage.getNsURI(), ePackage);
+ URIConverter.URI_MAP.put(URI.createURI(ePackage.getNsURI()), fileURI);
+ }
+ }
+ }
+
private static void logPackages() {
// if (log.isDebugEnabled()) {
// Set s = EPackage.Registry.INSTANCE.keySet();
@@ -93,27 +113,33 @@ public class EcoreUtil2 {
/**
* Finds all elements within a collection of a specific type.
- * @param iter An iterator over the source collection.
- * @param type The type which should be selected.
+ *
+ * @param iter
+ * An iterator over the source collection.
+ * @param type
+ * The type which should be selected.
* @return A set with all elements of the specified type.
*/
public static Set<EObject> findAllByType(final Iterator iter, final Class type) {
final Set<EObject> result = new HashSet<EObject>();
while (iter.hasNext()) {
final EObject curr = (EObject) iter.next();
- if (type.isInstance(curr))
+ if (type.isInstance(curr)) {
result.add(curr);
+ }
}
return result;
}
/**
* Clones a list.
- * @param list The list that should be cloned.
+ *
+ * @param list
+ * The list that should be cloned.
* @return A copy of the original list
*/
public static List clone(final EList list) {
- if (list==null)
+ if (list == null)
return null;
final List res = new ArrayList();
res.addAll(list);
@@ -121,12 +147,15 @@ public class EcoreUtil2 {
}
/**
- * Finds an EMF EPackage instance by its class name. The EPackage class must be loadable by the
- * ResourceLoader
- * @param ePackage The class name of the EPackage interface
- * @return The EPackage instance. Returns <code>null</code> if any exception occurs after the class
- * was successfully loaded.
- * @throws ConifgurationException If the class specified by <tt>ePackage</tt> cannot be loaded.
+ * Finds an EMF EPackage instance by its class name. The EPackage class must
+ * be loadable by the ResourceLoader
+ *
+ * @param ePackage
+ * The class name of the EPackage interface
+ * @return The EPackage instance. Returns <code>null</code> if any exception
+ * occurs after the class was successfully loaded.
+ * @throws ConifgurationException
+ * If the class specified by <tt>ePackage</tt> cannot be loaded.
*/
public static EPackage getEPackageByClassName(final String ePackage) throws ConfigurationException {
Class clazz;
@@ -135,34 +164,43 @@ public class EcoreUtil2 {
clazz = ResourceLoaderFactory.createResourceLoader().loadClass(ePackage);
if (clazz == null)
throw new ConfigurationException("Couldn't find class " + ePackage);
- // each EPackage class has an 'eINSTANCE' field which holds the implementation instance
+ // each EPackage class has an 'eINSTANCE' field which holds the
+ // implementation instance
final Field f = clazz.getField("eINSTANCE");
// retrieve the EPackage instance from the eINSTANCE field
final EPackage result = (EPackage) f.get(null);
- // register the EPackage instance in the EPackage Registry
+ // register the EPackage instance in the EPackage Registry
EPackage.Registry.INSTANCE.put(result.getNsURI(), result);
return result;
- } catch (final SecurityException e) {
+ }
+ catch (final SecurityException e) {
log.error(e);
return null;
- } catch (final NoSuchFieldException e) {
+ }
+ catch (final NoSuchFieldException e) {
log.error(e);
return null;
- } catch (final IllegalArgumentException e) {
+ }
+ catch (final IllegalArgumentException e) {
log.error(e);
return null;
- } catch (final IllegalAccessException e) {
+ }
+ catch (final IllegalAccessException e) {
log.error(e);
return null;
- } finally {
+ }
+ finally {
logPackages();
}
}
/**
* Finds an EPackage by the class name of the Package Descriptor.
- * @param ePackageDescriptor The Package Descriptor's classname
- * @return The EPackage instance. Returns <code>null</code> on any exception occuring while retrieval.
+ *
+ * @param ePackageDescriptor
+ * The Package Descriptor's classname
+ * @return The EPackage instance. Returns <code>null</code> on any exception
+ * occuring while retrieval.
*/
public static EPackage getEPackageByDescriptorClassName(final String ePackageDescriptor) {
Class clazz;
@@ -173,27 +211,67 @@ public class EcoreUtil2 {
final String uri = (String) f.get(null);
EPackage.Registry.INSTANCE.put(uri, descriptor);
return EPackage.Registry.INSTANCE.getEPackage(uri);
- } catch (final Exception e) {
+ }
+ catch (final Exception e) {
log.error("Couldn't load ePackage '" + ePackageDescriptor, e);
return null;
- } finally {
+ }
+ finally {
logPackages();
}
}
/**
* Creates an URI from a file name.
- * @param file The file's path
+ *
+ * @param file
+ * The file's path
* @return The URI representing the file
*/
public static URI getURI(final String file) {
// try to load the resource specified by 'file'
final URL url = ResourceLoaderFactory.createResourceLoader().getResource(file);
- // if the ResourceLoader cannot locate this file create a URI from the file
- if (url == null)
- return URI.createURI(file);
- // the ResourceLoader has successfully located the file. Return the external form of the path
- return URI.createURI(url.toExternalForm());
+ URI uri;
+
+ try {
+ // if the ResourceLoader cannot locate this file create a URI from
+ // the file
+ if (url == null) {
+ uri = URI.createURI(file);
+ }
+ else {
+ // the ResourceLoader has successfully located the file. Return
+ // the external form of the path
+
+ uri = URI.createURI(url.toExternalForm());
+
+ // this is the old implementation of this block, but it caused
+ // errors:
+ // https://bugs.eclipse.org/bugs/show_bug.cgi?id=256833
+ // I'm leaving this here for a while to make sure unforeseen
+ // side effects can be understood
+ // if (url.getProtocol().equals("file")) {
+ // uri = URI.createFileURI(url.getFile());
+ // }
+ // else {
+ // uri = URI.createURI(url.toString());
+ // }
+ }
+ }
+ catch (IllegalArgumentException e) {
+ uri = URI.createFileURI(url.getFile());
+ }
+
+ return uri;
+ }
+
+ public static Collection<EObject> allContents(EObject modelElement) {
+ List<EObject> all = new ArrayList<EObject>();
+ TreeIterator<EObject> iterator = modelElement.eAllContents();
+ while (iterator.hasNext()) {
+ all.add(iterator.next());
+ }
+ return all;
}
}

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