001    /*
002     * Licensed to the Apache Software Foundation (ASF) under one
003     * or more contributor license agreements.  See the NOTICE file
004     * distributed with this work for additional information
005     * regarding copyright ownership.  The ASF licenses this file
006     * to you under the Apache License, Version 2.0 (the
007     * "License"); you may not use this file except in compliance
008     * with the License.  You may obtain a copy of the License at
009     *
010     *   http://www.apache.org/licenses/LICENSE-2.0
011     *
012     * Unless required by applicable law or agreed to in writing,
013     * software distributed under the License is distributed on an
014     * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
015     * KIND, either express or implied.  See the License for the
016     * specific language governing permissions and limitations
017     * under the License.
018     */
019    
020    package org.apache.myfaces.tobago.util;
021    
022    import org.apache.commons.logging.Log;
023    import org.apache.commons.logging.LogFactory;
024    
025    import javax.faces.application.NavigationHandler;
026    import javax.faces.context.FacesContext;
027    
028    /*
029     * Date: Nov 12, 2006
030     * Time: 10:32:39 AM
031     */
032    public class DebugNavigationHandler extends NavigationHandler {
033    
034      private static final Log LOG = LogFactory.getLog(DebugNavigationHandler.class);
035    
036      private NavigationHandler navigationHandler;
037    
038      public DebugNavigationHandler(NavigationHandler navigationHandler) {
039        this.navigationHandler = navigationHandler;
040      }
041    
042      public void handleNavigation(FacesContext context, String fromAction, String outcome) {
043        if (LOG.isDebugEnabled()) {
044          LOG.debug("Handle Navigation context: " + context + " fromAction: '"
045              + fromAction + "' outcome: '" + outcome + "'");
046        }
047        navigationHandler.handleNavigation(context, fromAction, outcome);
048    
049        if (LOG.isDebugEnabled()) {
050          LOG.debug("Handled Navigation context: " + context + " fromAction: '"
051              + fromAction + "' outcome: '" + outcome + "'");
052        }
053    
054      }
055    }