Package org.apache.jetspeed.aggregator.impl

Source Code of org.apache.jetspeed.aggregator.impl.BaseAggregatorImpl

/*
* 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.jetspeed.aggregator.impl;

import java.util.Iterator;

import org.apache.jetspeed.aggregator.PortletContent;
import org.apache.jetspeed.om.page.ContentFragment;
import org.apache.jetspeed.request.RequestContext;

/**
* Share common code for all aggregators
*
* @author <a href="mailto:taylor@apache.org">David Sean Taylor </a>
* @author <a>Woonsan Ko</a>
* @version $Id: $
*/
public abstract class BaseAggregatorImpl
{
    protected void releaseBuffers(ContentFragment f, RequestContext context)
    {
        if (f.getContentFragments() != null && f.getContentFragments().size() > 0)
        {
            Iterator children = f.getContentFragments().iterator();
            while (children.hasNext())
            {
                ContentFragment child = (ContentFragment) children.next();
                if (!"hidden".equals(child.getState()))
                {
                    releaseBuffers(child, context);
                }
            }
        }
        PortletContent content = f.getPortletContent();
        if (content != null &&  content.getExpiration() == 0)
        {
            content.release();
        }
    }   
}
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