| /******************************************************************************* |
| * Copyright (c) 2003, 2007 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - Initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.wst.server.core.internal; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| import org.eclipse.core.resources.IProject; |
| import org.eclipse.core.runtime.IConfigurationElement; |
| import org.eclipse.core.runtime.IProgressMonitor; |
| |
| import org.eclipse.wst.server.core.IModule; |
| import org.eclipse.wst.server.core.IModuleType; |
| import org.eclipse.wst.server.core.model.InternalInitializer; |
| import org.eclipse.wst.server.core.model.ModuleFactoryDelegate; |
| /** |
| * |
| */ |
| public class ModuleFactory implements IOrdered { |
| private IConfigurationElement element; |
| public ModuleFactoryDelegate delegate; |
| private List moduleTypes; |
| |
| /** |
| * ModuleFactory constructor comment. |
| * |
| * @param element a configuration element |
| */ |
| public ModuleFactory(IConfigurationElement element) { |
| super(); |
| this.element = element; |
| } |
| |
| /** |
| * Returns the id of this factory. |
| * |
| * @return java.lang.String |
| */ |
| public String getId() { |
| return element.getAttribute("id"); |
| } |
| |
| /** |
| * Returns the index (ordering) of this task. |
| * |
| * @return int |
| */ |
| public int getOrder() { |
| try { |
| return Integer.parseInt(element.getAttribute("order")); |
| } catch (NumberFormatException e) { |
| return -1; |
| } |
| } |
| |
| /** |
| * Return the supported module types. |
| * |
| * @return an array of module types |
| */ |
| public IModuleType[] getModuleTypes() { |
| if (moduleTypes == null) |
| moduleTypes = ServerPlugin.getModuleTypes(element.getChildren("moduleType")); |
| |
| IModuleType[] mt = new IModuleType[moduleTypes.size()]; |
| moduleTypes.toArray(mt); |
| return mt; |
| } |
| |
| /** |
| * Returns true if this modules factory produces project modules. |
| * |
| * @return boolean |
| */ |
| public boolean isProjectModuleFactory() { |
| return "true".equalsIgnoreCase(element.getAttribute("projects")); |
| } |
| |
| /* |
| * @see IModuleFactoryDelegate#getDelegate() |
| */ |
| public ModuleFactoryDelegate getDelegate(IProgressMonitor monitor) { |
| if (delegate == null) { |
| try { |
| long time = System.currentTimeMillis(); |
| delegate = (ModuleFactoryDelegate) element.createExecutableExtension("class"); |
| InternalInitializer.initializeModuleFactoryDelegate(delegate, this, monitor); |
| Trace.trace(Trace.PERFORMANCE, "ModuleFactory.getDelegate(): <" + (System.currentTimeMillis() - time) + "> " + getId()); |
| } catch (Throwable t) { |
| Trace.trace(Trace.SEVERE, "Could not create delegate " + toString() + ": " + t.getMessage()); |
| } |
| } |
| return delegate; |
| } |
| |
| /* |
| * @see ModuleFactoryDelegate#getModules() |
| */ |
| public IModule[] getModules() { |
| return getModules(null); |
| } |
| |
| /* |
| * @see ModuleFactoryDelegate#getModules() |
| */ |
| public IModule[] getModules(IProgressMonitor monitor) { |
| try { |
| IModule[] modules = getDelegate(monitor).getModules(); |
| if (hasInvalidModules(modules)) |
| modules = filter(modules); |
| return modules; |
| } catch (Throwable t) { |
| Trace.trace(Trace.SEVERE, "Error calling delegate " + toString(), t); |
| return new IModule[0]; |
| } |
| } |
| |
| /* |
| * @see ModuleFactoryDelegate#getModules(IProject) |
| */ |
| public IModule[] getModules(IProject project, IProgressMonitor monitor) { |
| try { |
| IModule[] modules = getDelegate(monitor).getModules(project); |
| if (hasInvalidModules(modules)) |
| modules = filter(modules); |
| return modules; |
| } catch (Throwable t) { |
| Trace.trace(Trace.SEVERE, "Error calling delegate " + toString(), t); |
| return new IModule[0]; |
| } |
| } |
| |
| /* |
| * @see ModuleFactoryDelegate#findModule(String) |
| */ |
| public IModule findModule(String id, IProgressMonitor monitor) { |
| try { |
| IModule module = getDelegate(monitor).findModule(id); |
| if (module == null) |
| return null; |
| |
| getModuleTypes(); |
| if (!moduleTypes.contains(module.getModuleType())) |
| return null; |
| |
| return module; |
| } catch (Throwable t) { |
| Trace.trace(Trace.SEVERE, "Error calling delegate " + toString(), t); |
| return null; |
| } |
| } |
| |
| private boolean hasInvalidModules(IModule[] modules) { |
| if (modules == null) |
| return false; |
| |
| getModuleTypes(); |
| |
| int size = modules.length; |
| for (int i = 0; i < size; i++) { |
| if (!moduleTypes.contains(modules[i].getModuleType())) |
| return true; |
| } |
| return false; |
| } |
| |
| private IModule[] filter(IModule[] modules) { |
| if (modules == null) |
| return modules; |
| |
| getModuleTypes(); |
| List list = new ArrayList(); |
| |
| int size = modules.length; |
| for (int i = 0; i < size; i++) { |
| IModule m = modules[i]; |
| if (moduleTypes.contains(m.getModuleType())) |
| list.add(m); |
| else |
| Trace.trace(Trace.WARNING, "Invalid module returned from factory, ignored: " + m); |
| } |
| |
| IModule[] m = new IModule[list.size()]; |
| list.toArray(m); |
| return m; |
| } |
| |
| /** |
| * Return a string representation of this object. |
| * |
| * @return java.lang.String |
| */ |
| public String toString() { |
| return "ModuleFactory[" + getId() + "]"; |
| } |
| } |