| /******************************************************************************* |
| * Copyright (c) 2001, 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.jst.j2ee.common.internal.util; |
| |
| import java.util.List; |
| |
| import org.eclipse.emf.ecore.EObject; |
| import org.eclipse.wst.common.internal.emf.utilities.IDUtil; |
| |
| |
| /** |
| * Utility class for generating and setting unique id's for ref objects contained within a resource. This is needed |
| * sometimes when a refobject is referenced by an object in a separate resource. This utility will force the refobject |
| * to notify after the id gets set, using the static feature on this class. The object must be contained in a resource |
| * for the utility methods to work. |
| */ |
| public class IDUtility { |
| |
| /** |
| * IDUtility constructor comment. |
| */ |
| public IDUtility() { |
| super(); |
| } |
| /** |
| * Generate a default id and notify. |
| */ |
| protected static String primSetDefaultID(EObject object) { |
| return IDUtil.getOrAssignID(object); |
| } |
| |
| /** |
| * Generate a default id and notify. |
| * Helper for default id generation to support cross document references to non xmi resources |
| * (eg, xml deployment descriptors); called from overriden accessors in selected objects; |
| */ |
| public static String setDefaultID(EObject object) { |
| if (object == null || object.eResource() == null) |
| return null; |
| return primSetDefaultID(object); |
| } |
| |
| /** |
| * Generate a default id and notify, for this object and for all referenced objects that are contained |
| * within the same resource. Helper for default id generation to support cross document references to non xmi resources |
| * (eg, xml deployment descriptors); useful for post copy/add |
| */ |
| public static String setDefaultID(EObject object, boolean recurseChildren) { |
| if (object == null || object.eResource() == null) |
| return null; |
| |
| String result = primSetDefaultID(object); |
| |
| if (recurseChildren) |
| setDefaultIDForChildren(object); |
| |
| return result; |
| } |
| |
| protected static void setDefaultIDForChildren(EObject object) { |
| |
| List objects = object.eContents(); |
| for (int i = 0; i < objects.size(); i++){ |
| EObject o = (EObject)objects.get(i); |
| primSetDefaultID(o); |
| } |
| } |
| } |
| |