/*
* 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.pluto.container.impl;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.apache.pluto.container.ContainerServices;
import org.apache.pluto.container.PortletContainer;
import org.apache.pluto.container.PortletContainerException;
import org.apache.pluto.container.util.ArgumentUtility;
/**
* Factory used to create new PortletContainer instances. The factor constructs
* the underlying pluto container implementation by using the the given
* container services.
*
* @version 1.0
* @since Sep 18, 2004
*/
public class PortletContainerFactory {
/** Logger. */
private static final Logger LOG = LoggerFactory.getLogger(PortletContainerFactory.class);
/** Singleton instance of the <code>PortletContainerFactory</code>. */
private static final PortletContainerFactory FACTORY =
new PortletContainerFactory();
/**
* Accessor method for the singleton instance of the
* <code>PortletContainerFactory</code>.
* @return singleton instance of the PortletContainerFactory
*/
public static PortletContainerFactory getInstance() {
return FACTORY;
}
/**
* Private constructor that prevents external instantiation.
*/
private PortletContainerFactory() {
// Do nothing.
}
/**
* Create a container with the given containerName, initialized from the given
* servlet config, and using the given container services.
* @param containerName the name of the portlet container.
* @param requiredServices the required portlet container services.
* @return newly created PortletContainer instance.
* @throws PortletContainerException
*/
public PortletContainer createContainer(
String containerName,
ContainerServices requiredServices)
throws PortletContainerException {
ArgumentUtility.validateNotNull("requiredServices", requiredServices);
ArgumentUtility.validateNotEmpty("containerName", containerName);
PortletContainer container = new PortletContainerImpl(
containerName, requiredServices);
if (LOG.isInfoEnabled()) {
LOG.info("Portlet Container [" + containerName + "] created.");
}
return container;
}
}