| /** |
| * Copyright (c) 2010 Sierra Wireless 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: |
| * Sierra Wireless - initial API and implementation |
| * |
| * $Id: IncrementalModelBuilder.java,v 1.1 2010/03/17 11:42:44 bcabe Exp $ |
| */ |
| package org.eclipse.pde.emfforms.builder; |
| |
| import java.util.HashMap; |
| import java.util.Map; |
| import org.eclipse.core.resources.*; |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.emf.common.command.BasicCommandStack; |
| import org.eclipse.emf.common.util.URI; |
| import org.eclipse.emf.ecore.resource.Resource; |
| import org.eclipse.emf.edit.domain.AdapterFactoryEditingDomain; |
| import org.eclipse.emf.edit.provider.ComposedAdapterFactory; |
| |
| public class ModelFileDeltaVisitor implements IResourceDeltaVisitor { |
| private Map<Resource, IResource> modifiedResources = new HashMap<Resource, IResource>(); |
| private String _contentType; |
| |
| public ModelFileDeltaVisitor(String contentType) { |
| _contentType = contentType; |
| } |
| |
| public Map<Resource, IResource> getModifiedResources() { |
| return modifiedResources; |
| } |
| |
| /** |
| * @see org.eclipse.core.resources.IResourceDeltaVisitor#visit(org.eclipse |
| * .core.resources.IResourceDelta) |
| */ |
| public boolean visit(IResourceDelta delta) throws CoreException { |
| IResource resource = delta.getResource(); |
| switch (delta.getKind()) { |
| case IResourceDelta.ADDED : |
| case IResourceDelta.REMOVED : |
| // Do nothing |
| break; |
| case IResourceDelta.CHANGED : |
| if (resource instanceof IContainer) |
| return true; |
| if (_contentType != null && !_contentType.equals(((IFile) resource).getContentDescription().getContentType().getId())) |
| return false; |
| // handle changed resource |
| URI resourceURI = URI.createPlatformResourceURI(resource.getFullPath().toString(), true); |
| Resource modelResource = new AdapterFactoryEditingDomain(new ComposedAdapterFactory(ComposedAdapterFactory.Descriptor.Registry.INSTANCE), new BasicCommandStack()).getResourceSet().getResource(resourceURI, true); |
| if (modelResource != null && modelResource.isLoaded() && !modifiedResources.containsKey(modelResource)) { |
| modifiedResources.put(modelResource, resource); |
| } |
| break; |
| } |
| // return true to continue visiting children. |
| return true; |
| } |
| } |