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.naming.Context;
026    import javax.naming.NamingException;
027    import javax.naming.Binding;
028    import javax.naming.NamingEnumeration;
029    
030    public class JndiUtils {
031    
032      private static final Log LOG = LogFactory.getLog(JndiUtils.class);
033    
034      public static Object getJndiProperty(Context ctx, String property) throws NamingException {
035        return getJndiProperty(ctx, property, null);
036      }
037      
038      public static Object getJndiProperty(Context ctx, String property, Object defaultValue) throws NamingException {
039        NamingEnumeration<Binding> ne = ctx.listBindings("java:comp/env");
040        while (ne.hasMore()) {
041          Binding b = ne.next();
042          if (LOG.isDebugEnabled()) {
043            LOG.debug("Property: " + b.getName());
044          }
045          if (property.equals(b.getName())) {
046            Object obj = b.getObject();
047            if (LOG.isDebugEnabled()) {
048              LOG.debug("Value: "+ obj);
049            }
050            return obj;
051          }
052        }
053        return defaultValue;
054      }
055    }