/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

package org.apache.myfaces.tobago.util;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

import javax.naming.Context;
import javax.naming.NamingException;
import javax.naming.Binding;
import javax.naming.NamingEnumeration;

public class JndiUtils {

  private static final Log LOG = LogFactory.getLog(JndiUtils.class);

  public static Object getJndiProperty(Context ctx, String property) throws NamingException {
    return getJndiProperty(ctx, property, null);
  }
  
  public static Object getJndiProperty(Context ctx, String property, Object defaultValue) throws NamingException {
    NamingEnumeration<Binding> ne = ctx.listBindings("java:comp/env");
    while (ne.hasMore()) {
      Binding b = ne.next();
      if (LOG.isDebugEnabled()) {
        LOG.debug("Property: " + b.getName());
      }
      if (property.equals(b.getName())) {
        Object obj = b.getObject();
        if (LOG.isDebugEnabled()) {
          LOG.debug("Value: "+ obj);
        }
        return obj;
      }
    }
    return defaultValue;
  }
}
