/*

* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of the License "Eclipse Public License v1.0"

* which accompanies this distribution, and is available

* at the URL "http://www.eclipse.org/legal/epl-v10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description: 

*

*/

package com.nokia.cdt.internal.debug.launch.wizard;

import java.util.List;

import org.eclipse.core.resources.IProject;

import org.eclipse.core.runtime.IPath;

/**

 * Created for purposes of dependency injection on the LaunchCreationWizard.

 * This instance allows for other factories to be substituted at runtime, for

 * purposes of injecting at runtime LaunchCreationWizard sub-classes created by

 * the automated tests

 * 

 */

public class LaunchCreationWizardInstance {

	// The delegate factory

	ILaunchCreationWizardFactory factory;

	static private LaunchCreationWizardInstance instance = null;

	/**

	 * Returns the singleton

	 * @return

	 */

	public static LaunchCreationWizardInstance getInstance() {

		if (instance == null) {

			instance = new LaunchCreationWizardInstance();

		}

		return instance;

	}

	private LaunchCreationWizardInstance() {

		setDefault();

	}

	/**

	 * Returns the LaunchCreationWizard generated by the factory.

	 */

	public LaunchCreationWizard create(IProject project, String configurationName, 

			List<IPath> mmps, List<IPath> exes, IPath defaultExecutable,  

			boolean isEmulation, boolean emulatorOnly, String mode) throws Exception {

		return factory.create(project, configurationName, mmps, exes, defaultExecutable, isEmulation, emulatorOnly, mode);

	}

	/**

	 * Sets the factory to the default product implementation.  Used by the default initializer and to clear a dependency previously set

	 */

	public void setDefault() {

		set(new ILaunchCreationWizardFactory() {

			public LaunchCreationWizard create(IProject project, String configurationName,

					List<IPath> mmps, List<IPath> exes, IPath defaultExecutable,

					boolean isEmulation, boolean emulatorOnly, String mode)

					throws Exception {

				return new LaunchCreationWizard(project, configurationName, mmps, exes, defaultExecutable, isEmulation, emulatorOnly, mode);

			}

		});

	}

	/**

	 * Intended to be used by tests to inject a custom factory

	 */

	public void set(ILaunchCreationWizardFactory factory) {

		this.factory = factory;

	}

}