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
015package org.apache.tapestry.describe;
016
017import java.util.Iterator;
018
019import javax.servlet.ServletContext;
020
021import org.apache.tapestry.web.WebUtils;
022
023/**
024 * Describes a {@link javax.servlet.ServletContext}.
025 * 
026 * @author Howard M. Lewis Ship
027 * @since 4.0
028 */
029public class ServletContextStrategy implements DescribableStrategy
030{
031
032    public void describeObject(Object object, DescriptionReceiver receiver)
033    {
034        ServletContext context = (ServletContext) object;
035
036        receiver.title("ServletContext");
037
038        receiver.property("serverInfo", context.getServerInfo());
039        receiver.property("version", context.getMajorVersion() + "." + context.getMinorVersion());
040
041        receiver.section("Attributes");
042
043        Iterator i = WebUtils.toSortedList(context.getAttributeNames()).iterator();
044        while (i.hasNext())
045        {
046            String key = (String) i.next();
047
048            receiver.property(key, context.getAttribute(key));
049        }
050
051        receiver.section("Initialization Parameters");
052        i = WebUtils.toSortedList(context.getInitParameterNames()).iterator();
053        while (i.hasNext())
054        {
055            String key = (String) i.next();
056
057            receiver.property(key, context.getInitParameter(key));
058        }
059
060    }
061
062}