001    // Copyright 2005 The Apache Software Foundation
002    //
003    // Licensed under the Apache License, Version 2.0 (the "License");
004    // you may not use this file except in compliance with the License.
005    // You may obtain a copy of the License at
006    //
007    //     http://www.apache.org/licenses/LICENSE-2.0
008    //
009    // Unless required by applicable law or agreed to in writing, software
010    // distributed under the License is distributed on an "AS IS" BASIS,
011    // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
012    // See the License for the specific language governing permissions and
013    // limitations under the License.
014    
015    package org.apache.tapestry.describe;
016    
017    import java.util.Date;
018    import java.util.Iterator;
019    
020    import javax.servlet.http.HttpSession;
021    
022    import org.apache.tapestry.web.WebUtils;
023    
024    /**
025     * Describes an {@link javax.servlet.http.HttpSession}.
026     * 
027     * @author Howard M. Lewis Ship
028     * @since 4.0
029     */
030    public class HttpSessionStrategy implements DescribableStrategy
031    {
032    
033        public void describeObject(Object object, DescriptionReceiver receiver)
034        {
035            HttpSession session = (HttpSession) object;
036    
037            receiver.title("HttpSession");
038    
039            receiver.property("creationTime", new Date(session.getCreationTime()));
040            receiver.property("id", session.getId());
041            receiver.property("lastAccessedTime", new Date(session.getLastAccessedTime()));
042            receiver.property("maxInactiveInterval", session.getMaxInactiveInterval());
043            receiver.property("new", session.isNew());
044    
045            receiver.section("Attributes");
046            Iterator i = WebUtils.toSortedList(session.getAttributeNames()).iterator();
047            while (i.hasNext())
048            {
049                String key = (String) i.next();
050                receiver.property(key, session.getAttribute(key));
051            }
052        }
053    
054    }