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.tmw.core.internal.runtimes;

    20 

    21 import java.util.Collection;

    22 import java.util.HashMap;

    23 import java.util.Map;

    24 import java.util.TreeMap;

    25 

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

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

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

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

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

    31 import org.symbian.tools.tmw.core.runtimes.IMobileWebRuntimeManager;

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

    33 

    34 public final class RuntimesManagerImpl implements IMobileWebRuntimeManager {

    35     private Map<IMobileWebRuntime, Map<IMobileWebRuntime, IPackager>> packagers;

    36     private Map<String, IMobileWebRuntime> runtimes;

    37 

    38     public RuntimesManagerImpl() {

    39         collectRuntimes();

    40     }

    41 

    42     private void collectPackagers() {

    43         packagers = new HashMap<IMobileWebRuntime, Map<IMobileWebRuntime, IPackager>>();

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

    45                 TMWCore.PLUGIN_ID, "packagers");

    46         for (IConfigurationElement element : elements) {

    47             IPackager packager = new LazyPackager(element);

    48             Map<IMobileWebRuntime, IPackager> map = packagers.get(packager.getTargetRuntime());

    49             if (map == null) {

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

    51                 packagers.put(packager.getTargetRuntime(), map);

    52             }

    53             map.put(packager.getSourceRuntime(), packager);

    54         }

    55     }

    56 

    57     private void collectRuntimes() {

    58         runtimes = new TreeMap<String, IMobileWebRuntime>();

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

    60                 TMWCore.PLUGIN_ID, "runtimes");

    61         for (IConfigurationElement element : elements) {

    62             final MobileWebRuntime runtime = new MobileWebRuntime(element);

    63             runtimes.put(getInternalId(runtime.getId(), runtime.getVersion()), runtime);

    64         }

    65     }

    66 

    67     public IMobileWebRuntime[] getAllRuntimes() {

    68         if (runtimes == null) {

    69             collectRuntimes();

    70         }

    71         final Collection<IMobileWebRuntime> rts = runtimes.values();

    72         return rts.toArray(new IMobileWebRuntime[rts.size()]);

    73     }

    74 

    75     public IPackager getPackager(IMTWProject project) {

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

    77     }

    78 

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

    80         if (packagers == null) {

    81             collectPackagers();

    82         }

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

    84         if (map != null) {

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

    86         }

    87         return null;

    88     }

    89 

    90     public IMobileWebRuntime getRuntime(String id, String version) {

    91         if (runtimes == null) {

    92             collectRuntimes();

    93         }

    94         final IMobileWebRuntime runtime = runtimes.get(getInternalId(id, version));

    95         if (runtime == null) {

    96             TMWCore.log(String.format("Runtime %s@%s", id, version), new Exception());

    97         }

    98         return runtime;

    99     }

   100 

   101     private String getInternalId(String id, String version) {

   102         return id + ":" + version;

   103     }

   104 

   105 }