| /* |
| * 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.coplet.impl; |
| |
| import java.util.ArrayList; |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.Map; |
| |
| import org.apache.avalon.framework.activity.Disposable; |
| import org.apache.avalon.framework.component.Component; |
| import org.apache.avalon.framework.configuration.Configurable; |
| import org.apache.avalon.framework.configuration.Configuration; |
| import org.apache.avalon.framework.configuration.ConfigurationException; |
| import org.apache.avalon.framework.logger.AbstractLogEnabled; |
| import org.apache.avalon.framework.service.ServiceException; |
| import org.apache.avalon.framework.service.ServiceManager; |
| import org.apache.avalon.framework.service.ServiceSelector; |
| import org.apache.avalon.framework.service.Serviceable; |
| import org.apache.avalon.framework.thread.ThreadSafe; |
| import org.apache.cocoon.ProcessingException; |
| import org.apache.cocoon.portal.PortalService; |
| import org.apache.cocoon.portal.aspect.AspectDataHandler; |
| import org.apache.cocoon.portal.aspect.AspectDataStore; |
| import org.apache.cocoon.portal.aspect.AspectDescription; |
| import org.apache.cocoon.portal.aspect.impl.DefaultAspectDataHandler; |
| import org.apache.cocoon.portal.aspect.impl.DefaultAspectDescription; |
| import org.apache.cocoon.portal.coplet.CopletData; |
| import org.apache.cocoon.portal.coplet.CopletFactory; |
| import org.apache.cocoon.portal.coplet.CopletInstanceData; |
| import org.apache.cocoon.portal.coplet.adapter.CopletAdapter; |
| |
| /** |
| * This factory is for creating and managing coplet objects |
| * |
| * @author <a href="mailto:cziegeler@s-und-n.de">Carsten Ziegeler</a> |
| * |
| * @version CVS $Id$ |
| */ |
| public class DefaultCopletFactory |
| extends AbstractLogEnabled |
| implements Component, ThreadSafe, CopletFactory, Serviceable, Disposable, Configurable { |
| |
| protected ServiceManager manager; |
| |
| protected Map coplets = new HashMap(); |
| |
| protected List descriptions = new ArrayList(); |
| |
| protected ServiceSelector storeSelector; |
| |
| protected static long idCounter = System.currentTimeMillis(); |
| |
| /* (non-Javadoc) |
| * @see org.apache.cocoon.portal.coplet.CopletFactory#prepare(org.apache.cocoon.portal.coplet.CopletData) |
| */ |
| public void prepare(CopletData copletData) |
| throws ProcessingException { |
| if ( copletData != null ) { |
| |
| final String copletName = copletData.getName(); |
| if ( copletName == null ) { |
| throw new ProcessingException("CopletData "+copletData.getId()+" has no associated name."); |
| } |
| Object[] o = (Object[]) this.coplets.get( copletName ); |
| |
| if ( o == null ) { |
| throw new ProcessingException("CopletDescription with name " + copletName + " not found."); |
| } |
| DefaultCopletDescription copletDescription = (DefaultCopletDescription)o[0]; |
| |
| copletData.setDescription( copletDescription ); |
| copletData.setAspectDataHandler((AspectDataHandler)o[1]); |
| |
| } |
| } |
| |
| /* (non-Javadoc) |
| * @see org.apache.cocoon.portal.coplet.CopletFactory#prepare(org.apache.cocoon.portal.coplet.CopletInstanceData) |
| */ |
| public void prepare(CopletInstanceData copletInstanceData) |
| throws ProcessingException { |
| if ( copletInstanceData != null ) { |
| |
| final String copletName = copletInstanceData.getName(); |
| if ( copletName == null ) { |
| throw new ProcessingException("CopletInstanceData "+copletInstanceData.getId()+" has no associated name."); |
| } |
| Object[] o = (Object[]) this.coplets.get( copletName ); |
| |
| if ( o == null ) { |
| throw new ProcessingException("CopletDescription with name " + copletName + " not found."); |
| } |
| DefaultCopletDescription copletDescription = (DefaultCopletDescription)o[0]; |
| |
| copletInstanceData.setDescription( copletDescription ); |
| copletInstanceData.setAspectDataHandler((AspectDataHandler)o[2]); |
| |
| } |
| } |
| |
| |
| /* (non-Javadoc) |
| * @see org.apache.cocoon.portal.coplet.CopletFactory#newInstance(org.apache.cocoon.portal.coplet.CopletData) |
| */ |
| public CopletInstanceData newInstance(CopletData copletData) |
| throws ProcessingException { |
| String name = copletData.getName(); |
| Object[] o = (Object[]) this.coplets.get( name ); |
| |
| if ( o == null ) { |
| throw new ProcessingException("CopletDescription with name " + name + " not found."); |
| } |
| DefaultCopletDescription copletDescription = (DefaultCopletDescription)o[0]; |
| |
| CopletInstanceData instance = new CopletInstanceData(); |
| |
| String id = null; |
| if ( copletDescription.createId() ) { |
| synchronized (this) { |
| id = copletData.getId() + '_' + idCounter; |
| idCounter += 1; |
| } |
| } |
| instance.initialize( name, id ); |
| |
| instance.setDescription( copletDescription ); |
| instance.setAspectDataHandler((AspectDataHandler)o[2]); |
| instance.setCopletData(copletData); |
| |
| // now lookup the adapter |
| final String adapterName = copletData.getCopletBaseData().getCopletAdapterName(); |
| CopletAdapter adapter = null; |
| ServiceSelector adapterSelector = null; |
| try { |
| adapterSelector = (ServiceSelector) this.manager.lookup( CopletAdapter.ROLE + "Selector"); |
| adapter = (CopletAdapter)adapterSelector.select( adapterName ); |
| adapter.init( instance ); |
| adapter.login( instance ); |
| } catch (ServiceException ce) { |
| throw new ProcessingException("Unable to lookup coplet adapter selector or adaptor.", ce); |
| } finally { |
| if ( adapterSelector != null) { |
| adapterSelector.release( adapter ); |
| } |
| this.manager.release( adapterSelector ); |
| } |
| |
| PortalService service = null; |
| try { |
| service = (PortalService)this.manager.lookup(PortalService.ROLE); |
| service.getComponentManager().getProfileManager().register(instance); |
| } catch (ServiceException ce) { |
| throw new ProcessingException("Unable to lookup profile manager.", ce); |
| } finally { |
| this.manager.release( service ); |
| } |
| return instance; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.apache.avalon.framework.service.Serviceable#service(org.apache.avalon.framework.service.ServiceManager) |
| */ |
| public void service(ServiceManager manager) throws ServiceException { |
| this.manager = manager; |
| this.storeSelector = (ServiceSelector)this.manager.lookup( AspectDataStore.ROLE+"Selector" ); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.apache.avalon.framework.activity.Disposable#dispose() |
| */ |
| public void dispose() { |
| if ( this.manager != null ) { |
| this.manager.release( this.storeSelector ); |
| this.storeSelector = null; |
| this.manager = null; |
| } |
| } |
| |
| /* (non-Javadoc) |
| * @see org.apache.avalon.framework.configuration.Configurable#configure(org.apache.avalon.framework.configuration.Configuration) |
| */ |
| public void configure(Configuration configuration) |
| throws ConfigurationException { |
| final Configuration[] copletsConf = configuration.getChild("coplets").getChildren("coplet"); |
| if ( copletsConf != null ) { |
| for(int i=0; i < copletsConf.length; i++ ) { |
| DefaultCopletDescription desc = new DefaultCopletDescription(); |
| DefaultCopletDescription instanceDesc = new DefaultCopletDescription(); |
| final String name = copletsConf[i].getAttribute("name"); |
| |
| // unique test |
| if ( this.coplets.get(name) != null) { |
| throw new ConfigurationException("Coplet name must be unique. Double definition for " + name); |
| } |
| desc.setName(copletsConf[i].getAttribute("name")); |
| instanceDesc.setName(copletsConf[i].getAttribute("name")); |
| instanceDesc.setCreateId(copletsConf[i].getAttributeAsBoolean("create-id", true)); |
| |
| // and now the aspects |
| Configuration[] aspectsConf = copletsConf[i].getChild("coplet-data-aspects").getChildren("aspect"); |
| if (aspectsConf != null) { |
| for(int m=0; m < aspectsConf.length; m++) { |
| AspectDescription adesc = DefaultAspectDescription.newInstance(aspectsConf[m]); |
| desc.addAspectDescription( adesc ); |
| } |
| } |
| |
| // and now the aspects of the instances |
| aspectsConf = copletsConf[i].getChild("coplet-instance-data-aspects").getChildren("aspect"); |
| if (aspectsConf != null) { |
| for(int m=0; m < aspectsConf.length; m++) { |
| AspectDescription adesc = DefaultAspectDescription.newInstance(aspectsConf[m]); |
| instanceDesc.addAspectDescription( adesc ); |
| } |
| } |
| |
| DefaultAspectDataHandler handler = new DefaultAspectDataHandler(desc, this.storeSelector); |
| DefaultAspectDataHandler instanceHandler = new DefaultAspectDataHandler(instanceDesc, this.storeSelector); |
| this.coplets.put(desc.getName(), new Object[] {desc, handler, instanceHandler}); |
| this.descriptions.add(desc); |
| } |
| } |
| } |
| |
| /* (non-Javadoc) |
| * @see org.apache.cocoon.portal.coplet.CopletFactory#remove(org.apache.cocoon.portal.coplet.CopletInstanceData) |
| */ |
| public void remove(CopletInstanceData copletInstanceData) |
| throws ProcessingException { |
| if ( copletInstanceData != null ) { |
| // now lookup the adapter |
| final String adapterName = copletInstanceData.getCopletData().getCopletBaseData().getCopletAdapterName(); |
| CopletAdapter adapter = null; |
| ServiceSelector adapterSelector = null; |
| try { |
| adapterSelector = (ServiceSelector) this.manager.lookup( CopletAdapter.ROLE + "Selector"); |
| adapter = (CopletAdapter)adapterSelector.select( adapterName ); |
| adapter.logout( copletInstanceData ); |
| adapter.destroy( copletInstanceData ); |
| } catch (ServiceException ce) { |
| throw new ProcessingException("Unable to lookup coplet adapter selector or adaptor.", ce); |
| } finally { |
| if ( adapterSelector != null) { |
| adapterSelector.release( adapter ); |
| } |
| this.manager.release( adapterSelector ); |
| } |
| |
| PortalService service = null; |
| try { |
| service = (PortalService)this.manager.lookup(PortalService.ROLE); |
| service.getComponentManager().getProfileManager().unregister(copletInstanceData); |
| } catch (ServiceException ce) { |
| throw new ProcessingException("Unable to lookup portal service.", ce); |
| } finally { |
| this.manager.release( service ); |
| } |
| } |
| } |
| |
| } |
