/*
* Copyright 1999-2002,2004 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.portal.impl;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;
import org.apache.avalon.framework.CascadingRuntimeException;
import org.apache.avalon.framework.activity.Disposable;
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.portal.LinkService;
import org.apache.cocoon.portal.PortalComponentManager;
import org.apache.cocoon.portal.coplet.CopletFactory;
import org.apache.cocoon.portal.layout.LayoutFactory;
import org.apache.cocoon.portal.layout.renderer.Renderer;
import org.apache.cocoon.portal.profile.ProfileManager;
/**
* Default {@link PortalComponentManager} implementation
*
* @see org.apache.cocoon.portal.PortalComponentManager
*
* TODO Handle non ThreadSafe components
*
* @author <a href="mailto:cziegeler@s-und-n.de">Carsten Ziegeler</a>
*
* @version CVS $Id: DefaultPortalComponentManager.java,v 1.4 2004/03/05 13:02:13 bdelacretaz Exp $
*/
public class DefaultPortalComponentManager
extends AbstractLogEnabled
implements PortalComponentManager, Serviceable, Disposable, ThreadSafe, Configurable {
protected ServiceManager manager;
protected LinkService linkService;
protected ProfileManager profileManager;
protected String profileManagerRole;
protected String linkServiceRole;
protected String rendererSelectorRole;
protected ServiceSelector rendererSelector;
protected Map renderers;
protected String copletFactoryRole;
protected String layoutFactoryRole;
protected CopletFactory copletFactory;
protected LayoutFactory layoutFactory;
/* (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;
}
/* (non-Javadoc)
* @see org.apache.cocoon.portal.PortalComponentManager#getLinkService()
*/
public LinkService getLinkService() {
if ( null == this.linkService ) {
try {
this.linkService = (LinkService)this.manager.lookup( this.linkServiceRole );
} catch (ServiceException e) {
throw new CascadingRuntimeException("Unable to lookup link service with role " + this.linkServiceRole, e);
}
}
return this.linkService;
}
/* (non-Javadoc)
* @see org.apache.cocoon.portal.PortalComponentManager#getProfileManager()
*/
public ProfileManager getProfileManager() {
if ( null == this.profileManager ) {
try {
this.profileManager = (ProfileManager)this.manager.lookup( this.profileManagerRole );
} catch (ServiceException e) {
throw new CascadingRuntimeException("Unable to lookup profile manager with role " + this.profileManagerRole, e);
}
}
return this.profileManager;
}
/* (non-Javadoc)
* @see org.apache.avalon.framework.activity.Disposable#dispose()
*/
public void dispose() {
if (this.manager != null) {
if ( this.rendererSelector != null) {
Iterator i = this.renderers.values().iterator();
while (i.hasNext()) {
this.rendererSelector.release(i.next());
}
this.manager.release( this.rendererSelector );
this.rendererSelector = null;
this.renderers = null;
}
this.manager.release( this.profileManager );
this.manager.release( this.linkService );
this.profileManager = null;
this.linkService = null;
this.manager.release(this.copletFactory);
this.manager.release(this.layoutFactory);
this.copletFactory = null;
this.layoutFactory = null;
this.manager = null;
}
}
/* (non-Javadoc)
* @see org.apache.avalon.framework.configuration.Configurable#configure(org.apache.avalon.framework.configuration.Configuration)
*/
public void configure(Configuration config) throws ConfigurationException {
this.profileManagerRole = config.getChild("profile-manager").getValue(ProfileManager.ROLE);
this.linkServiceRole = config.getChild("link-service").getValue(LinkService.ROLE);
this.rendererSelectorRole = config.getChild("renderer-selector").getValue(Renderer.ROLE+"Selector");
this.copletFactoryRole = config.getChild("coplet-factory").getValue(CopletFactory.ROLE);
this.layoutFactoryRole = config.getChild("layout-factory").getValue(LayoutFactory.ROLE);
}
/* (non-Javadoc)
* @see org.apache.cocoon.portal.PortalComponentManager#getRenderer(java.lang.String)
*/
public Renderer getRenderer(String hint) {
if ( rendererSelector == null ) {
try {
this.rendererSelector = (ServiceSelector)this.manager.lookup( this.rendererSelectorRole );
} catch (ServiceException e) {
throw new CascadingRuntimeException("Unable to lookup renderer selector with role " + this.rendererSelectorRole, e);
}
this.renderers = new HashMap();
}
Renderer o = (Renderer) this.renderers.get( hint );
if ( o == null ) {
try {
o = (Renderer) this.rendererSelector.select( hint );
this.renderers.put( hint, o );
} catch (ServiceException e) {
throw new CascadingRuntimeException("Unable to lookup renderer with hint " + hint, e);
}
}
return o;
}
/* (non-Javadoc)
* @see org.apache.cocoon.portal.PortalComponentManager#getCopletFactory()
*/
public CopletFactory getCopletFactory() {
if ( null == this.copletFactory ) {
try {
this.copletFactory = (CopletFactory)this.manager.lookup( this.copletFactoryRole);
} catch (ServiceException e) {
throw new CascadingRuntimeException("Unable to lookup coplet factory with role " + this.copletFactoryRole, e);
}
}
return this.copletFactory;
}
/* (non-Javadoc)
* @see org.apache.cocoon.portal.PortalComponentManager#getLayoutFactory()
*/
public LayoutFactory getLayoutFactory() {
if ( null == this.layoutFactory ) {
try {
this.layoutFactory = (LayoutFactory)this.manager.lookup( this.layoutFactoryRole);
} catch (ServiceException e) {
throw new CascadingRuntimeException("Unable to lookup layout factory with role " + this.copletFactoryRole, e);
}
}
return this.layoutFactory;
}
}