001    package org.apache.myfaces.tobago.util;
002    
003    /*
004     * Licensed to the Apache Software Foundation (ASF) under one or more
005     * contributor license agreements.  See the NOTICE file distributed with
006     * this work for additional information regarding copyright ownership.
007     * The ASF licenses this file to You under the Apache License, Version 2.0
008     * (the "License"); you may not use this file except in compliance with
009     * the License.  You may obtain a copy of the License at
010     *
011     *      http://www.apache.org/licenses/LICENSE-2.0
012     *
013     * Unless required by applicable law or agreed to in writing, software
014     * distributed under the License is distributed on an "AS IS" BASIS,
015     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
016     * See the License for the specific language governing permissions and
017     * limitations under the License.
018     */
019    
020    import org.apache.commons.logging.Log;
021    import org.apache.commons.logging.LogFactory;
022    
023    import javax.faces.application.NavigationHandler;
024    import javax.faces.context.FacesContext;
025    
026    /*
027     * Date: Nov 12, 2006
028     * Time: 10:32:39 AM
029     */
030    public class DebugNavigationHandler extends NavigationHandler {
031    
032      private static final Log LOG = LogFactory.getLog(DebugNavigationHandler.class);
033    
034      private NavigationHandler navigationHandler;
035    
036      public DebugNavigationHandler(NavigationHandler navigationHandler) {
037        this.navigationHandler = navigationHandler;
038      }
039    
040      public void handleNavigation(FacesContext context, String fromAction, String outcome) {
041        if (LOG.isDebugEnabled()) {
042          LOG.debug("Handle Navigation context: " + context + " fromAction: '"
043              + fromAction + "' outcome: '" + outcome + "'");
044        }
045        navigationHandler.handleNavigation(context, fromAction, outcome);
046    
047        if (LOG.isDebugEnabled()) {
048          LOG.debug("Handled Navigation context: " + context + " fromAction: '"
049              + fromAction + "' outcome: '" + outcome + "'");
050        }
051    
052      }
053    }