001    // Copyright 2004, 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.engine;
016    
017    /**
018     * Null implementation of {@link org.apache.tapestry.engine.IMonitor}.
019     * 
020     * @author Howard Lewis Ship
021     * @since 3.0
022     * @deprecated To be removed in 4.1 with no direct replacement
023     */
024    
025    public class NullMonitor implements IMonitor
026    {
027        public void pageCreateBegin(String pageName)
028        {
029        }
030    
031        public void pageCreateEnd(String pageName)
032        {
033        }
034    
035        public void pageLoadBegin(String pageName)
036        {
037        }
038    
039        public void pageLoadEnd(String pageName)
040        {
041        }
042    
043        public void pageRenderBegin(String pageName)
044        {
045        }
046    
047        public void pageRenderEnd(String pageName)
048        {
049        }
050    
051        public void pageRewindBegin(String pageName)
052        {
053        }
054    
055        public void pageRewindEnd(String pageName)
056        {
057        }
058    
059        public void serviceBegin(String serviceName, String detailMessage)
060        {
061        }
062    
063        public void serviceEnd(String serviceName)
064        {
065        }
066    
067        public void serviceException(Throwable exception)
068        {
069        }
070    
071        public void sessionBegin()
072        {
073        }
074    
075    }