| /****************************************************************************** |
| * Copyright (c) 2006 BEA Systems, Inc. |
| * 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: |
| * Konstantin Komissarchik - initial API and implementation |
| ******************************************************************************/ |
| |
| package org.eclipse.jst.j2ee.project.facet; |
| |
| import java.util.HashSet; |
| import java.util.Iterator; |
| import java.util.Set; |
| |
| import org.eclipse.core.resources.IProject; |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.core.runtime.IProgressMonitor; |
| import org.eclipse.core.runtime.SubProgressMonitor; |
| import org.eclipse.wst.common.componentcore.ComponentCore; |
| import org.eclipse.wst.common.componentcore.resources.IVirtualComponent; |
| import org.eclipse.wst.common.componentcore.resources.IVirtualReference; |
| import org.eclipse.wst.common.project.facet.core.IDelegate; |
| import org.eclipse.wst.common.project.facet.core.IFacetedProject; |
| import org.eclipse.wst.common.project.facet.core.IProjectFacetVersion; |
| import org.eclipse.wst.common.project.facet.core.ProjectFacetsManager; |
| import org.eclipse.wst.common.project.facet.core.runtime.IRuntime; |
| |
| /** |
| * @author <a href="mailto:kosta@bea.com">Konstantin Komissarchik</a> |
| */ |
| |
| public final class EarFacetRuntimeHandler |
| { |
| /** |
| * Private constructor. This class is not meant to be instantiated. |
| */ |
| |
| private EarFacetRuntimeHandler() {} |
| |
| public static void updateModuleProjectRuntime( final IProject earProject, |
| final IProject moduleProject, |
| final IProgressMonitor monitor ) |
| |
| throws CoreException |
| |
| { |
| if( monitor != null ) |
| { |
| monitor.beginTask( "", 1 ); |
| } |
| |
| try |
| { |
| final IFacetedProject earFacetedProject |
| = ProjectFacetsManager.create( earProject ); |
| |
| final IRuntime earRuntime = earFacetedProject.getRuntime(); |
| |
| final IFacetedProject moduleFacetedProject |
| = ProjectFacetsManager.create( moduleProject ); |
| |
| if( moduleFacetedProject != null && |
| ! equals( earRuntime, moduleFacetedProject.getRuntime() ) ) |
| { |
| boolean supports = true; |
| |
| if( earRuntime != null ) |
| { |
| for( Iterator itr = moduleFacetedProject.getProjectFacets().iterator(); |
| itr.hasNext(); ) |
| { |
| final IProjectFacetVersion fver |
| = (IProjectFacetVersion) itr.next(); |
| |
| if( ! earRuntime.supports( fver ) ) |
| { |
| supports = false; |
| break; |
| } |
| } |
| } |
| |
| if( supports ) |
| { |
| moduleFacetedProject.setRuntime( earRuntime, submon( monitor, 1 ) ); |
| } |
| } |
| } |
| finally |
| { |
| if( monitor != null ) |
| { |
| monitor.done(); |
| } |
| } |
| } |
| |
| public static void updateModuleProjectRuntime( final IProject earProject, |
| final Set moduleProjects, |
| final IProgressMonitor monitor ) |
| |
| throws CoreException |
| |
| { |
| if( monitor != null ) |
| { |
| monitor.beginTask( "", moduleProjects.size() ); |
| } |
| |
| try |
| { |
| for( Iterator itr = moduleProjects.iterator(); itr.hasNext(); ) |
| { |
| final IProject moduleProject = (IProject) itr.next(); |
| |
| updateModuleProjectRuntime( earProject, moduleProject, |
| submon( monitor, 1 ) ); |
| } |
| } |
| finally |
| { |
| if( monitor != null ) |
| { |
| monitor.done(); |
| } |
| } |
| } |
| |
| public static final class RuntimeChangedDelegate |
| |
| implements IDelegate |
| |
| { |
| public void execute( final IProject project, |
| final IProjectFacetVersion fv, |
| final Object cfg, |
| final IProgressMonitor monitor ) |
| |
| throws CoreException |
| |
| { |
| if( monitor != null ) |
| { |
| monitor.beginTask( "", 10 ); //$NON-NLS-1$ |
| } |
| |
| try |
| { |
| // Compile the list of projects referenced by this ear project. |
| |
| final Set moduleProjects = new HashSet(); |
| |
| final IVirtualComponent earvc |
| = ComponentCore.createComponent( project ); |
| |
| final IVirtualReference[] vrefs = earvc.getReferences(); |
| |
| for( int i = 0; i < vrefs.length; i++ ) |
| { |
| final IVirtualReference vref = vrefs[ i ]; |
| final IVirtualComponent vc = vref.getReferencedComponent(); |
| |
| moduleProjects.add( vc.getProject() ); |
| } |
| |
| if( monitor != null ) |
| { |
| monitor.worked( 1 ); |
| } |
| |
| // Attempt to change the runtime for each of the referenced projects. |
| |
| updateModuleProjectRuntime( project, moduleProjects, |
| submon( monitor, 9 ) ); |
| } |
| finally |
| { |
| if( monitor != null ) |
| { |
| monitor.done(); |
| } |
| } |
| } |
| } |
| |
| private static IProgressMonitor submon( final IProgressMonitor parent, |
| final int ticks ) |
| { |
| return ( parent == null ? null : new SubProgressMonitor( parent, ticks ) ); |
| } |
| |
| private static boolean equals( final Object obj1, |
| final Object obj2 ) |
| { |
| if( obj1 == obj2 ) |
| { |
| return true; |
| } |
| else if( obj1 == null || obj2 == null ) |
| { |
| return false; |
| } |
| else |
| { |
| return obj1.equals( obj2 ); |
| } |
| } |
| |
| |
| |
| } |