org.symbian.tools.mtw.ui/src/org/symbian/tools/tmw/internal/ui/project/ProjectTemplateManagerImpl.java
/**
* 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.internal.ui.project;
import java.util.Collection;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Map;
import org.eclipse.core.runtime.IConfigurationElement;
import org.eclipse.core.runtime.Platform;
import org.symbian.tools.tmw.core.TMWCore;
import org.symbian.tools.tmw.core.runtimes.IMobileWebRuntime;
import org.symbian.tools.tmw.ui.TMWCoreUI;
import org.symbian.tools.tmw.ui.project.IProjectTemplate;
import org.symbian.tools.tmw.ui.project.IProjectTemplateManager;
import org.symbian.tools.tmw.ui.project.ITemplateInstaller;
public class ProjectTemplateManagerImpl implements IProjectTemplateManager {
private Map<IMobileWebRuntime, ITemplateInstaller> emptyProjects;
private Map<IMobileWebRuntime, IProjectTemplate[]> templates;
public IProjectTemplate getDefaultTemplate(IMobileWebRuntime runtime) {
final IProjectTemplate[] projectTemplates = getProjectTemplates(runtime);
return projectTemplates != null && projectTemplates.length > 0 ? projectTemplates[0] : null;
}
public ITemplateInstaller getEmptyProjectTemplate(IMobileWebRuntime runtime) {
if (emptyProjects == null) {
readExtensions();
}
return emptyProjects.get(runtime);
}
public IProjectTemplate[] getProjectTemplates(IMobileWebRuntime runtime) {
if (runtime == null) {
return new IProjectTemplate[0];
}
if (templates == null) {
templates = readExtensions();
}
final IProjectTemplate[] runtimeTemplates = templates.get(runtime);
return runtimeTemplates == null ? new IProjectTemplate[0] : runtimeTemplates;
}
private Map<IMobileWebRuntime, IProjectTemplate[]> readExtensions() {
emptyProjects = new HashMap<IMobileWebRuntime, ITemplateInstaller>();
final Map<IMobileWebRuntime, Collection<IProjectTemplate>> map = new HashMap<IMobileWebRuntime, Collection<IProjectTemplate>>();
final IConfigurationElement[] elements = Platform.getExtensionRegistry().getConfigurationElementsFor(
TMWCoreUI.PLUGIN_ID, "projectTemplate");
for (IConfigurationElement element : elements) {
if ("template".equals(element.getName())) {
final ProjectTemplateImpl template = new ProjectTemplateImpl(element);
final IMobileWebRuntime[] supportedRuntimes = template.getSupportedRuntimes();
for (IMobileWebRuntime runtime : supportedRuntimes) {
Collection<IProjectTemplate> tmplts = map.get(runtime);
if (tmplts == null) {
tmplts = new HashSet<IProjectTemplate>();
map.put(runtime, tmplts);
}
tmplts.add(template);
}
} else if ("empty-project".equals(element.getName())) {
final String runtimeId = element.getAttribute("runtime-id");
final String runtimeVersion = element.getAttribute("version");
final IMobileWebRuntime runtime = TMWCore.getRuntimesManager().getRuntime(runtimeId, runtimeVersion);
if (runtime != null) {
emptyProjects.put(runtime, CompoundInstaller.combine(emptyProjects.get(runtime), elements));
}
}
}
final Map<IMobileWebRuntime, IProjectTemplate[]> res = new HashMap<IMobileWebRuntime, IProjectTemplate[]>(
map.size());
for (Map.Entry<IMobileWebRuntime, Collection<IProjectTemplate>> entry : map.entrySet()) {
final Collection<IProjectTemplate> collection = entry.getValue();
res.put(entry.getKey(), collection.toArray(new IProjectTemplate[collection.size()]));
}
return res;
}
}