org.eclipse.debug.ui/ui/org/eclipse/debug/internal/ui/launchConfigurations/PersistableLaunchConfigurationTypeFactory.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.IAdaptable;
import org.eclipse.debug.core.DebugPlugin;
import org.eclipse.debug.core.ILaunchConfigurationType;
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 configuration types.
 * This is necessary because the IPersistableElement/IElementFactory framework used by
 * the platform working set support live in the UI plugin.  Launch configuration types are
 * defined in a non-UI plugin, thus we need this class to handle persistence and 
 * recreation on behalf of launch config types.
 * 
 */
public class PersistableLaunchConfigurationTypeFactory implements IPersistableElement, IElementFactory {

	private ILaunchConfigurationType fConfigType;

	private static final String KEY = "launchConfigTypeID"; //$NON-NLS-1$
	private static final String FACTORY_ID = "org.eclipse.debug.ui.PersistableLaunchConfigurationTypeFactory"; //$NON-NLS-1$

	public PersistableLaunchConfigurationTypeFactory() {
	}

	public PersistableLaunchConfigurationTypeFactory(ILaunchConfigurationType configType) {
		setConfigType(configType);
	}

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

	/**
	 * @see org.eclipse.ui.IPersistableElement#saveState(IMemento)
	 */
	public void saveState(IMemento memento) {
		String configTypeID = getConfigType().getIdentifier();
		memento.putString(KEY, configTypeID);
	}

	/**
	 * @see org.eclipse.ui.IElementFactory#createElement(IMemento)
	 */
	public IAdaptable createElement(IMemento memento) {
		String configTypeID = memento.getString(KEY);
		return getLaunchManager().getLaunchConfigurationType(configTypeID);
	}

	private void setConfigType(ILaunchConfigurationType configType) {
		fConfigType = configType;
	}

	private ILaunchConfigurationType getConfigType() {
		return fConfigType;
	}

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

}