| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.apache.cocoon.portal.profile.impl; |
| |
| import java.util.HashMap; |
| import java.util.Iterator; |
| import java.util.Map; |
| |
| import org.apache.cocoon.portal.coplet.CopletData; |
| import org.apache.cocoon.portal.util.DeltaApplicableReferencesAdjustable; |
| |
| /** |
| * Holds instances of CopletData. |
| * |
| * @author <a href="mailto:bluetkemeier@s-und-n.de">Björn Lütkemeier</a> |
| * |
| * @version CVS $Id$ |
| */ |
| public class CopletDataManager |
| implements DeltaApplicableReferencesAdjustable { |
| |
| /** |
| * The coplet data instances. |
| */ |
| private Map copletData = new HashMap(); |
| |
| /** |
| * Signals whether a delta has been applied. |
| */ |
| private boolean deltaApplied = false; |
| |
| /** |
| * Gets all coplet data. |
| */ |
| public Map getCopletData() { |
| return this.copletData; |
| } |
| |
| /** |
| * Gets the specified coplet data. |
| */ |
| public CopletData getCopletData(String name) { |
| return (CopletData)this.copletData.get(name); |
| } |
| |
| /** |
| * Puts the specified coplet data to the manager. |
| */ |
| public void putCopletData(CopletData data) { |
| this.copletData.put(data.getId(), data); |
| } |
| |
| /** |
| * Applies the specified delta. |
| * @throws ClassCastException If the object is not of the expected type. |
| */ |
| public boolean applyDelta(Object object) { |
| CopletDataManager manager = (CopletDataManager)object; |
| |
| this.deltaApplied = true; |
| |
| Iterator iterator = manager.getCopletData().values().iterator(); |
| CopletData data, delta; |
| while (iterator.hasNext()) { |
| delta = (CopletData)iterator.next(); |
| data = this.getCopletData(delta.getId()); |
| if (data == null) { |
| this.putCopletData(delta); |
| } else { |
| data.applyDelta(delta); |
| } |
| } |
| |
| return true; |
| } |
| |
| /** |
| * Checks if a delta has been applied. |
| */ |
| public boolean deltaApplied() { |
| return this.deltaApplied; |
| } |
| |
| /** |
| * Updates the references to contained DeltaApplicable objects |
| * if no delta has been applied to them. |
| * @throws ClassCastException If the object is not of the expected type. |
| */ |
| public void adjustReferences(Object object) { |
| CopletDataManager manager = (CopletDataManager)object; |
| |
| Iterator iterator = this.copletData.values().iterator(); |
| CopletData data, other; |
| while (iterator.hasNext()) { |
| data = (CopletData)iterator.next(); |
| if (!data.deltaApplied()) { |
| other = manager.getCopletData(data.getId()); |
| if (other != null) { |
| this.putCopletData(other); |
| } |
| } |
| } |
| } |
| } |