| /* |
| * Copyright 1999-2004 The Apache Software Foundation. |
| * |
| * Licensed 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.caching; |
| |
| import java.util.ArrayList; |
| import java.util.Iterator; |
| import java.util.List; |
| |
| /** |
| * A validation object aggregating several validity objects. This is similar to the |
| * {@link CompositeCacheValidity} with the difference that the amount of |
| * aggregated objects is not limited. |
| * |
| * @deprecated Use the Avalon Excalibur SourceValidity implementations instead |
| * @author <a href="mailto:dims@yahoo.com">Davanum Srinivas</a> |
| * @version CVS $Id: AggregatedCacheValidity.java,v 1.2 2004/03/05 13:02:38 bdelacretaz Exp $ |
| */ |
| public final class AggregatedCacheValidity |
| implements CacheValidity { |
| |
| private List a; |
| |
| /** |
| * Constructor |
| */ |
| public AggregatedCacheValidity() { |
| this.a = new ArrayList(); |
| } |
| |
| /** |
| * Add another validity object |
| */ |
| public void add(CacheValidity validity) { |
| this.a.add(validity); |
| } |
| |
| public boolean isValid(CacheValidity validity) { |
| if (validity instanceof AggregatedCacheValidity) { |
| List b = ((AggregatedCacheValidity)validity).a; |
| if(a.size() != b.size()) |
| return false; |
| for(Iterator i = a.iterator(), j = b.iterator(); i.hasNext();) { |
| if(!((CacheValidity)i.next()).isValid((CacheValidity)j.next())) |
| return false; |
| } |
| return true; |
| } |
| return false; |
| } |
| |
| public String toString() { |
| StringBuffer b = new StringBuffer("Aggregated Validity["); |
| for(Iterator i = a.iterator(); i.hasNext();) { |
| b.append(i.next()); |
| if(i.hasNext()) b.append(':'); |
| } |
| b.append(']'); |
| return b.toString(); |
| } |
| } |
| |