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/*******************************************************************************
* Copyright (c) 2011 CEA LIST.
* 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:
* CEA LIST - initial API and implementation
*******************************************************************************/
package org.eclipse.papyrus.qompass.designer.core.extensions;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IConfigurationElement;
import org.eclipse.core.runtime.IExtensionRegistry;
import org.eclipse.core.runtime.Platform;
import org.eclipse.papyrus.qompass.designer.core.Activator;
/**
* Support for embedding rules.
* CAVEAT: Currently not used, unclear if kept
*/
public class XtendGenerator {
public static final String ITEMPLATE_ID = Activator.PLUGIN_ID + ".xtendGenerator"; //$NON-NLS-1$
public static IXtend getXtendGenerator(String generatorID) {
IExtensionRegistry reg = Platform.getExtensionRegistry();
IConfigurationElement[] configElements = reg.getConfigurationElementsFor(ITEMPLATE_ID);
for (IConfigurationElement configElement : configElements) {
try {
final String iTemplateID = configElement.getAttribute("templateID"); //$NON-NLS-1$
if (iTemplateID.equals(generatorID)) {
// TODO: cache returned instance (avoid creating a new instance each time => more efficient, no need for static attributes)
final Object obj = configElement.createExecutableExtension("class"); //$NON-NLS-1$
if (obj instanceof IXtend) {
return (IXtend) obj;
}
}
} catch (CoreException exception) {
exception.printStackTrace();
}
}
return null;
}
}
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