| /******************************************************************************* |
| * Copyright (c) 2006 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.bpel.model.resource; |
| |
| import java.util.Iterator; |
| |
| import org.eclipse.bpel.model.Activity; |
| import org.eclipse.bpel.model.Flow; |
| import org.eclipse.bpel.model.Link; |
| import org.eclipse.bpel.model.Links; |
| import org.eclipse.emf.ecore.EObject; |
| |
| /** |
| * Base implementation of LinkResolver. This resolves all link |
| * as defined in the BPEL specifications. |
| * |
| * Supply a different variable resolver by implementing LinkResolver |
| * and executing: |
| * BPELReader.LINK_RESOLVER = new MyLinkResolver(); |
| */ |
| public class BPELLinkResolver implements LinkResolver { |
| |
| public Link getLink(Activity activity, String linkName) { |
| if (activity != null) { |
| EObject container = activity.eContainer(); |
| while (container != null) { |
| if (container instanceof Flow) { |
| Links links =((Flow)container).getLinks(); |
| if (links != null) { |
| for (Iterator<Link> it = links.getChildren().iterator(); it.hasNext(); ) { |
| Link candidate = it.next(); |
| if (candidate.getName().equals(linkName)) |
| return candidate; |
| } |
| } |
| } |
| container = container.eContainer(); |
| } |
| } |
| return null; |
| } |
| } |