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.Iterator;
018    
019    import javax.servlet.Servlet;
020    import javax.servlet.ServletConfig;
021    
022    import org.apache.tapestry.web.WebUtils;
023    
024    /**
025     * @author Howard M. Lewis Ship
026     * @since 4.0
027     */
028    public class ServletStrategy implements DescribableStrategy
029    {
030    
031        public void describeObject(Object object, DescriptionReceiver receiver)
032        {
033            Servlet servlet = (Servlet) object;
034            ServletConfig config = servlet.getServletConfig();
035    
036            receiver.title("HttpServlet");
037            receiver.property("servletInfo", servlet.getServletInfo());
038            receiver.property("servletName", config.getServletName());
039    
040            receiver.section("Initialization Parameters");
041    
042            Iterator i = WebUtils.toSortedList(config.getInitParameterNames())
043                    .iterator();
044            while(i.hasNext())
045            {
046                String key = (String) i.next();
047    
048                receiver.property(key, config.getInitParameter(key));
049            }
050        }
051    
052    }