001    package org.apache.myfaces.tobago.el;
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.context.FacesContext;
024    import javax.faces.el.EvaluationException;
025    import javax.faces.el.VariableResolver;
026    
027    /**
028     * @deprecated use UserWrapper as managed bean in request scope instead.
029     */
030    @Deprecated
031    public class UserVariableResolverImpl extends VariableResolver {
032    
033      private static final Log LOG = LogFactory.getLog(UserVariableResolverImpl.class);
034    
035      private VariableResolver base;
036      private UserWrapper userWrapper;
037    
038      public UserVariableResolverImpl(VariableResolver base) {
039        if (LOG.isInfoEnabled()) {
040          LOG.info("Hiding ri base implemation: " + base);
041        }
042        this.base = base;
043      }
044    
045      public Object resolveVariable(FacesContext facesContext, String name)
046          throws EvaluationException {
047    
048        if ("user".equals(name)) {
049          // TODO: optimize me: put it in request?
050          if (LOG.isDebugEnabled()) {
051            LOG.debug("resolving: " + name);
052          }
053          if (userWrapper == null) {
054            userWrapper = new UserWrapper();
055          }
056          return userWrapper;
057        } else {
058          return base.resolveVariable(facesContext, name);
059        }
060      }
061    }