001    /**
002     * Licensed to the Apache Software Foundation (ASF) under one or more
003     * contributor license agreements.  See the NOTICE file distributed with
004     * this work for additional information regarding copyright ownership.
005     * The ASF licenses this file to You under the Apache License, Version 2.0
006     * (the "License"); you may not use this file except in compliance with
007     * the License.  You may obtain a copy of the License at
008     *
009     *      http://www.apache.org/licenses/LICENSE-2.0
010     *
011     * Unless required by applicable law or agreed to in writing, software
012     * distributed under the License is distributed on an "AS IS" BASIS,
013     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014     * See the License for the specific language governing permissions and
015     * limitations under the License.
016     */
017    package org.apache.camel.util.jndi;
018    
019    import java.util.Hashtable;
020    
021    import javax.naming.Context;
022    import javax.naming.NamingException;
023    import javax.naming.spi.InitialContextFactory;
024    
025    /**
026     * A factory of the Camel InitialContext which allows a Map to be used to create a
027     * JNDI context.
028     *
029     * @version $Revision: 766610 $
030     */
031    public class CamelInitialContextFactory implements InitialContextFactory {
032    
033        /**
034         * Creates a new context with the given environment.
035         *
036         * @param  environment  the environment, must not be <tt>null</tt>
037         * @return the created context.
038         * @throws NamingException is thrown if creation failed.
039         */
040        public Context getInitialContext(Hashtable environment) throws NamingException {
041            try {
042                return new JndiContext(environment);
043            } catch (Exception e) {
044                if (e instanceof NamingException) {
045                    throw (NamingException) e;
046                }
047                NamingException exception = new NamingException(e.getMessage());
048                exception.initCause(e);
049                throw exception;
050            }
051        }
052    }