VirtualLinksDelegator.java

/*******************************************************************************
 * Copyright (c) 2013 INRIA.
 * 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:
 * Juan David Villa Calle - initial API and implementation
 *******************************************************************************/
package fr.inria.atlanmod.emfviews.virtuallinksdelegator;

import java.util.List;

import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IConfigurationElement;
import org.eclipse.core.runtime.IExtension;
import org.eclipse.core.runtime.Platform;
import org.eclipse.emf.common.util.URI;
import org.eclipse.emf.ecore.resource.Resource;

public class VirtualLinksDelegator {

	IVirtualLinksDelegate virtualLinksDelegate;
	String linksDslFile;

	public VirtualLinksDelegator(String linksDslFile) throws CoreException {

		this.linksDslFile = linksDslFile;
		String dslExtension = linksDslFile.substring(linksDslFile
				.lastIndexOf('.') + 1);

		IExtension[] extensions = Platform
				.getExtensionRegistry()
				.getExtensionPoint(
						"fr.inria.atlanmod.emfviews.virtuallinksdelegator.type")
				.getExtensions();
		boolean finished = false;
		IExtension matchingExtension = null;
		for (int i = 0; i < extensions.length && !finished; i++) {
			IConfigurationElement[] configElements = extensions[i]
					.getConfigurationElements();
			for (int j = 0; j < configElements.length && !finished; j++) {
				if (configElements[j].getAttribute("fileExtension")
						.compareToIgnoreCase(dslExtension) == 0) {
					matchingExtension = extensions[i];
					if (Boolean.parseBoolean(configElements[j]
							.getAttribute("default")) == true)
						finished = true;
				}
			}
		}

		IConfigurationElement[] matchingConfigElements = matchingExtension
				.getConfigurationElements();
		virtualLinksDelegate = (IVirtualLinksDelegate) matchingConfigElements[0]
				.createExecutableExtension("class");
	}

	public void createVirtualMetamodelLinks(URI virtualLinksModelURI)
			throws CoreException {

		try {
			virtualLinksDelegate.createVirtualMetamodelLinks(linksDslFile,
					virtualLinksModelURI);
		} catch (Exception e) {

			e.printStackTrace();
		}
	}

	public void createVirtualModelLinks(URI linksModelURI,
			List<Resource> contributingModels) throws Exception {

		virtualLinksDelegate.createVirtualModelLinks(linksDslFile,
				linksModelURI, contributingModels);
	}

}