org.eclipse.debug.ui/ui/org/eclipse/debug/internal/ui/launchConfigurations/PersistableLaunchConfigurationFactory.java

package org.eclipse.debug.internal.ui.launchConfigurations;

/**********************************************************************
Copyright (c) 2000, 2002 IBM Corp.  All rights reserved.
This file is made available under the terms of the Common Public License v1.0
which accompanies this distribution, and is available at
http://www.eclipse.org/legal/cpl-v10.html
**********************************************************************/
 
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IAdaptable;
import org.eclipse.debug.core.DebugPlugin;
import org.eclipse.debug.core.ILaunchConfiguration;
import org.eclipse.debug.core.ILaunchManager;
import org.eclipse.ui.IElementFactory;
import org.eclipse.ui.IMemento;
import org.eclipse.ui.IPersistableElement;

/**
 * This is a combination factory and persistable element for launch configurations.
 * This is necessary because the IPersistableElement/IElementFactory framework used by
 * the platform working set support live in the UI plugin.  Launch configurations are
 * defined in a non-UI plugin, thus we need this class to handle persistence and 
 * recreation on behalf of launch configs.
 * 
 */
public class PersistableLaunchConfigurationFactory implements IPersistableElement, IElementFactory {

	private ILaunchConfiguration fConfig;
	
	private static final String KEY = "launchConfigMemento"; //$NON-NLS-1$
	private static final String FACTORY_ID = "org.eclipse.debug.ui.PersistableLaunchConfigurationFactory"; //$NON-NLS-1$

	public PersistableLaunchConfigurationFactory() {
	}

	public PersistableLaunchConfigurationFactory(ILaunchConfiguration config) {
		setConfig(config);
	}

	/**
	 * @see org.eclipse.ui.IPersistableElement#getFactoryId()
	 */
	public String getFactoryId() {
		return FACTORY_ID;
	}

	/**
	 * @see org.eclipse.ui.IPersistableElement#saveState(IMemento)
	 */
	public void saveState(IMemento memento) {
		try {
			String configMemento = getConfig().getMemento();
			memento.putString(KEY, configMemento);		
		} catch (CoreException ce) {
		}
	}

	/**
	 * @see org.eclipse.ui.IElementFactory#createElement(IMemento)
	 */
	public IAdaptable createElement(IMemento memento) {
		try {
			String launchConfigMemento = memento.getString(KEY);
			return getLaunchManager().getLaunchConfiguration(launchConfigMemento);
		} catch (CoreException ce) {
		}
		return null;
	}

	private void setConfig(ILaunchConfiguration config) {
		fConfig = config;
	}

	private ILaunchConfiguration getConfig() {
		return fConfig;
	}
	
	private ILaunchManager getLaunchManager() {
		return DebugPlugin.getDefault().getLaunchManager();
	}

}