/**

 * Copyright (c) 2010 Symbian Foundation 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:

 * Symbian Foundation - initial contribution.

 * Contributors:

 * Description:

 * Overview:

 * Details:

 * Platforms/Drives/Compatibility:

 * Assumptions/Requirement/Pre-requisites:

 * Failures and causes:

 */

package org.symbian.tools.tmw.core.internal.runtimes;

import java.io.File;

import org.eclipse.core.resources.IResource;

import org.eclipse.core.runtime.CoreException;

import org.eclipse.core.runtime.IConfigurationElement;

import org.eclipse.core.runtime.IPath;

import org.eclipse.core.runtime.IProgressMonitor;

import org.symbian.tools.tmw.core.TMWCore;

import org.symbian.tools.tmw.core.projects.ITMWProject;

import org.symbian.tools.tmw.core.runtimes.IMobileWebRuntime;

import org.symbian.tools.tmw.core.runtimes.IPackager;

import org.symbian.tools.tmw.core.runtimes.IPackagerDelegate;

public class LazyPackager implements IPackager {

    private final IConfigurationElement element;

    private IPackagerDelegate packager;

    public LazyPackager(IConfigurationElement element) {

        this.element = element;

    }

    public File packageApplication(ITMWProject project, IProgressMonitor monitor) throws CoreException {

        return getPackager().packageApplication(project, monitor);

    }

    private IPackagerDelegate getPackager() {

        if (packager == null) {

            try {

                packager = (IPackagerDelegate) element.createExecutableExtension("delegate");

            } catch (CoreException e) {

                TMWCore.log(String.format("Cannot instantiate %s from plugin %s", element.getAttribute("delegate"),

                        element.getDeclaringExtension().getNamespaceIdentifier()), e);

                throw new RuntimeException(e);

            }

        }

        return packager;

    }

    public IPath getPathInPackage(IResource resource) {

        return getPackager().getPathInPackage(resource);

    }

    public String getFileType(ITMWProject project) {

        return getPackager().getFileType(project);

    }

    public IMobileWebRuntime getTargetRuntime() {

        String id = element.getAttribute("target-runtime");

        if (id != null) {

        } else {

            return getSourceRuntime();

        }

    }

    public IMobileWebRuntime getSourceRuntime() {

    }

}