1 /**

     2  * Copyright (c) 2010 Symbian Foundation and/or its subsidiary(-ies).

     3  * All rights reserved.

     4  * This component and the accompanying materials are made available

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

     6  * which accompanies this distribution, and is available

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

     8  *

     9  * Initial Contributors:

    10  * Symbian Foundation - initial contribution.

    11  * Contributors:

    12  * Description:

    13  * Overview:

    14  * Details:

    15  * Platforms/Drives/Compatibility:

    16  * Assumptions/Requirement/Pre-requisites:

    17  * Failures and causes:

    18  */

    19 package org.symbian.tools.mtw.core.internal.runtimes;

    20 

    21 import java.io.File;

    22 

    23 import org.eclipse.core.resources.IResource;

    24 import org.eclipse.core.runtime.CoreException;

    25 import org.eclipse.core.runtime.IConfigurationElement;

    26 import org.eclipse.core.runtime.IPath;

    27 import org.eclipse.core.runtime.IProgressMonitor;

    28 import org.symbian.tools.mtw.core.MTWCore;

    29 import org.symbian.tools.mtw.core.projects.IMTWProject;

    30 import org.symbian.tools.mtw.core.runtimes.IMobileWebRuntime;

    31 import org.symbian.tools.mtw.core.runtimes.IPackager;

    32 import org.symbian.tools.mtw.core.runtimes.IPackagerDelegate;

    33 

    34 public class LazyPackager implements IPackager {

    35     private final IConfigurationElement element;

    36     private IPackagerDelegate packager;

    37 

    38     public LazyPackager(IConfigurationElement element) {

    39         this.element = element;

    40     }

    41 

    42     public File packageApplication(IMTWProject project, IProgressMonitor monitor)

    43             throws CoreException {

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

    45     }

    46 

    47     private IPackagerDelegate getPackager() {

    48         if (packager == null) {

    49             try {

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

    51             } catch (CoreException e) {

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

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

    54                 throw new RuntimeException(e);

    55             }

    56         }

    57         return packager;

    58     }

    59 

    60     public IPath getPathInPackage(IResource resource) {

    61         return getPackager().getPathInPackage(resource);

    62     }

    63 

    64     public String getFileType(IMTWProject project) {

    65         return getPackager().getFileType(project);

    66     }

    67 

    68     public IMobileWebRuntime getTargetRuntime() {

    69         String id = element.getAttribute("targetRuntime");

    70         if (id != null) {

    71             return MTWCore.getDefault().getRuntimesManager().getRuntime(id);

    72         } else {

    73             return getSourceRuntime();

    74         }

    75     }

    76 

    77     public IMobileWebRuntime getSourceRuntime() {

    78         IMobileWebRuntime runtime = MTWCore.getDefault().getRuntimesManager()

    79                 .getRuntime(element.getAttribute("sourceRuntime"));

    80         return runtime;

    81     }

    82 

    83 }