/*
 * Copyright (c) 2006 Borland Software Corporation
 * 
 * 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:
 *    Artem Tikhomirov (Borland) - initial API and implementation
 */
package org.eclipse.gmf.internal.codegen.lite;

import org.eclipse.core.runtime.Plugin;
import org.eclipse.gmf.codegen.gmfgen.GenEditorGenerator;
import org.eclipse.gmf.codegen.util.EmitterSource;
import org.osgi.framework.Bundle;
import org.osgi.framework.BundleContext;

public class Activator extends Plugin {
	private static Activator anInstance;

	private EmitterSource<GenEditorGenerator, CodegenEmitters> emitterSource; 

	public Activator() {
		super();
	}

	public void start(BundleContext context) throws Exception {
		super.start(context);
		anInstance = this;
	}

	public void stop(BundleContext context) throws Exception {
		if (emitterSource != null) {
			emitterSource.dispose();
			emitterSource = null;
		}
		anInstance = null;
		super.stop(context);
	}

	public static String getPluginID() {
		return getDefault().getSymbolicName();
	}

	public static Bundle getDefault() {
		return anInstance.getBundle();
	}

	public static Activator getInstance() {
		return anInstance;
	}

	public CodegenEmitters getEmitters(GenEditorGenerator genModel) {
		if (emitterSource == null) {
			emitterSource = new EmitterSource<GenEditorGenerator, CodegenEmitters>() {
				@Override
				protected CodegenEmitters newEmitters(GenEditorGenerator genModel) {
					return new CodegenEmitters(!genModel.isDynamicTemplates(), genModel.getTemplateDirectory());
				}
			};
		}
		return emitterSource.getEmitters(genModel, genModel.isDynamicTemplates());
	}
}