| /* |
| * 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.event.impl; |
| |
| import java.util.ArrayList; |
| import java.util.Iterator; |
| import java.util.List; |
| |
| import org.apache.avalon.framework.configuration.Configuration; |
| import org.apache.avalon.framework.configuration.ConfigurationException; |
| import org.apache.avalon.framework.parameters.Parameters; |
| import org.apache.avalon.framework.service.ServiceException; |
| import org.apache.avalon.framework.service.ServiceSelector; |
| |
| /** |
| * |
| * @author <a href="mailto:cziegeler@s-und-n.de">Carsten Ziegeler</a> |
| * @author <a href="mailto:volker.schmitt@basf-it-services.com">Volker Schmitt</a> |
| * |
| * @version CVS $Id$ |
| */ |
| public final class EventAspectChain { |
| |
| private List aspects = new ArrayList(); |
| |
| private List configs = new ArrayList(); |
| |
| public void configure(ServiceSelector selector, Configuration conf) |
| throws ConfigurationException { |
| if ( conf != null ) { |
| Configuration[] aspects = conf.getChildren("aspect"); |
| if ( aspects != null ) { |
| for(int i=0; i < aspects.length; i++) { |
| final Configuration current = aspects[i]; |
| final String role = current.getAttribute("type"); |
| try { |
| this.aspects.add(selector.select(role)); |
| this.configs.add(Parameters.fromConfiguration(current)); |
| } catch (ServiceException se) { |
| throw new ConfigurationException("Unable to lookup aspect " + role, se); |
| } |
| } |
| } |
| } else { |
| throw new ConfigurationException("No aspects configured"); |
| } |
| } |
| |
| public Iterator getIterator() { |
| return this.aspects.iterator(); |
| } |
| |
| public Iterator getConfigIterator() { |
| return this.configs.iterator(); |
| } |
| |
| public void dispose(ServiceSelector selector) { |
| Iterator i = this.aspects.iterator(); |
| while (i.hasNext()) { |
| selector.release(i.next()); |
| } |
| this.aspects.clear(); |
| } |
| } |