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.util.HashMap;

    22 import java.util.Map;

    23 import java.util.TreeMap;

    24 

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

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

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

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

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

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

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

    32 

    33 public final class RuntimesManagerImpl implements IMobileWebRuntimeManager {

    34     private final Map<String, IMobileWebRuntime> runtimes = new TreeMap<String, IMobileWebRuntime>();

    35     private final Map<IMobileWebRuntime, Map<IMobileWebRuntime, IPackager>> packagers = new HashMap<IMobileWebRuntime, Map<IMobileWebRuntime, IPackager>>();

    36 

    37     public RuntimesManagerImpl() {

    38         collectRuntimes();

    39         collectPackagers();

    40     }

    41 

    42     private void collectPackagers() {

    43         IConfigurationElement[] elements = Platform.getExtensionRegistry().getConfigurationElementsFor(

    44                 MTWCore.PLUGIN_ID, "packagers");

    45         for (IConfigurationElement element : elements) {

    46             final String target = element.getAttribute("targetRuntime");

    47             final IMobileWebRuntime targetRuntime = getRuntime(target);

    48             if (targetRuntime == null) {

    49                 MTWCore.log("Runtime %s referenced from plugin %s was not found", target, element

    50                         .getDeclaringExtension().getNamespaceIdentifier());

    51                 break;

    52             }

    53 

    54             final String source = element.getAttribute("sourceRuntime");

    55             IMobileWebRuntime sourceRuntime;

    56             if (source == null) {

    57                 sourceRuntime = targetRuntime;

    58             } else {

    59                 sourceRuntime = getRuntime(source);

    60                 if (sourceRuntime == null) {

    61                     MTWCore.log("Runtime %s referenced from plugin %s was not found", source, element

    62                             .getDeclaringExtension().getNamespaceIdentifier());

    63                     break;

    64                 }

    65             }

    66             IPackager packager = new LazyPackager(element);

    67             Map<IMobileWebRuntime, IPackager> map = packagers.get(targetRuntime);

    68             if (map == null) {

    69                 map = new HashMap<IMobileWebRuntime, IPackager>();

    70                 packagers.put(targetRuntime, map);

    71             }

    72             map.put(sourceRuntime, packager);

    73         }

    74     }

    75 

    76     private void collectRuntimes() {

    77         IConfigurationElement[] elements = Platform.getExtensionRegistry().getConfigurationElementsFor(

    78                 MTWCore.PLUGIN_ID, "runtimes");

    79         for (IConfigurationElement element : elements) {

    80             final MobileWebRuntime runtime = new MobileWebRuntime(element);

    81             runtimes.put(runtime.getId(), runtime);

    82         }

    83     }

    84 

    85     public IPackager getPackager(IMTWProject project) {

    86         return getPackager(project, project.getTargetRuntime());

    87     }

    88 

    89     public IPackager getPackager(IMTWProject project, IMobileWebRuntime runtime) {

    90         final Map<IMobileWebRuntime, IPackager> map = packagers.get(runtime);

    91         if (map != null) {

    92             return map.get(project.getTargetRuntime());

    93         }

    94         return null;

    95     }

    96 

    97     public IMobileWebRuntime getRuntime(String id) {

    98         return runtimes.get(id);

    99     }

   100 

   101 }