| /* |
| * 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.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; |
| import org.apache.cocoon.portal.PortalManagerAspect; |
| import org.apache.cocoon.portal.coplet.adapter.CopletAdapter; |
| |
| /** |
| * This chain holds all configured aspects for a portal manager. |
| * @since 2.1.8 |
| * @version SVN $Id$ |
| */ |
| public final class PortalManagerAspectChain { |
| |
| protected List aspects = new ArrayList(3); |
| |
| protected List configs = new ArrayList(3); |
| |
| public void configure(ServiceSelector aspectSelector, |
| ServiceSelector adapterSelector, |
| Configuration conf, |
| PortalManagerAspect endAspect, |
| Parameters endAspectParameters) |
| throws ConfigurationException { |
| if ( conf != null ) { |
| Configuration[] aspects = conf.getChildren("aspect"); |
| for(int i=0; i < aspects.length; i++) { |
| final Configuration current = aspects[i]; |
| final String role = current.getAttribute("type", null); |
| PortalManagerAspect pAspect; |
| if ( role != null ) { |
| if ( aspectSelector == null ) { |
| throw new ConfigurationException("No selector for aspects defined."); |
| } |
| try { |
| pAspect = (PortalManagerAspect) aspectSelector.select(role); |
| } catch (ServiceException se) { |
| throw new ConfigurationException("Unable to lookup aspect " + role, current, se); |
| } |
| } else { |
| final String adapterName = current.getAttribute("adapter", null); |
| if ( adapterName == null ) { |
| throw new ConfigurationException("Aspect configuration requires either a type or an adapter attribute.", current); |
| } |
| try { |
| pAspect = (PortalManagerAspect)adapterSelector.select(adapterName); |
| } catch (ServiceException se) { |
| throw new ConfigurationException("Unable to lookup coplet adapter " + adapterName, current, se); |
| } |
| } |
| this.aspects.add(pAspect); |
| Parameters aspectConfiguration = Parameters.fromConfiguration(current); |
| this.configs.add(aspectConfiguration); |
| } |
| } |
| this.aspects.add(endAspect); |
| this.configs.add(endAspectParameters); |
| } |
| |
| public Iterator getIterator() { |
| return this.aspects.iterator(); |
| } |
| |
| public Iterator getConfigIterator() { |
| return this.configs.iterator(); |
| } |
| |
| public void dispose(ServiceSelector aspectSelector, ServiceSelector adapterSelector) { |
| Iterator i = this.aspects.iterator(); |
| while (i.hasNext()) { |
| final Object component = i.next(); |
| if ( component instanceof CopletAdapter ) { |
| adapterSelector.release(component); |
| } else { |
| aspectSelector.release(component); |
| } |
| } |
| this.aspects.clear(); |
| this.configs.clear(); |
| } |
| |
| /** |
| * Adds an aspect at the front. This method is only used by the deprecated PortletPortalManager. |
| * @deprecated This method will be removed in 2.2. |
| * @param firstAspect |
| * @param firstAspectParameters |
| */ |
| public void addAsFirst(PortalManagerAspect firstAspect, Parameters firstAspectParameters) { |
| this.aspects.add(0, firstAspect); |
| this.configs.add(0, firstAspectParameters); |
| } |
| } |