| /******************************************************************************* |
| * Copyright (c) 2000, 2005 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.ui.internal.ide.model; |
| |
| import java.util.*; |
| import org.eclipse.core.resources.IProject; |
| import org.eclipse.core.resources.mapping.*; |
| import org.eclipse.core.runtime.*; |
| |
| /** |
| * A resource mapping that contains child mappings which are used to obtain the traversals |
| */ |
| public class CompositeResourceMapping extends ResourceMapping { |
| |
| private final Object modelObject; |
| private final ResourceMapping[] mappings; |
| private final IProject[] projects; |
| |
| /** |
| * Create a composite mapping that obtains it's traversals from a set of sub-mappings. |
| * @param modelObject the model object for this mapping |
| * @param mappings the sub-mappings from which the traversals are obtained |
| */ |
| public CompositeResourceMapping(Object modelObject, ResourceMapping[] mappings) { |
| this.modelObject = modelObject; |
| this.mappings = mappings; |
| this.projects = getProjects(mappings); |
| } |
| |
| /* |
| * Return an array of all the projects of the given mappings. |
| */ |
| private IProject[] getProjects(ResourceMapping[] mappings) { |
| Set result = new HashSet(); |
| for (int i = 0; i < mappings.length; i++) { |
| ResourceMapping mapping = mappings[i]; |
| result.addAll(Arrays.asList(mapping.getProjects())); |
| } |
| return (IProject[]) result.toArray(new IProject[result.size()]); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.core.internal.resources.mapping.ResourceMapping#getModelObject() |
| */ |
| public Object getModelObject() { |
| return modelObject; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.core.internal.resources.mapping.ResourceMapping#getProjects() |
| */ |
| public IProject[] getProjects() { |
| return projects; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.core.internal.resources.mapping.ResourceMapping#getTraversals(org.eclipse.core.internal.resources.mapping.ResourceMappingContext, org.eclipse.core.runtime.IProgressMonitor) |
| */ |
| public ResourceTraversal[] getTraversals(ResourceMappingContext context, |
| IProgressMonitor monitor) throws CoreException { |
| if (monitor == null) |
| monitor = new NullProgressMonitor(); |
| try { |
| monitor.beginTask(null, 100 * mappings.length); |
| List result = new ArrayList(); |
| for (int i = 0; i < mappings.length; i++) { |
| ResourceMapping mapping = mappings[i]; |
| result.addAll(Arrays.asList(mapping.getTraversals(context, new SubProgressMonitor(monitor, 100)))); |
| } |
| return (ResourceTraversal[]) result.toArray(new ResourceTraversal[result.size()]); |
| } finally { |
| monitor.done(); |
| } |
| } |
| |
| public String getModelProviderId() { |
| return ModelProvider.RESOURCE_MODEL_PROVIDER_ID; |
| } |
| |
| } |