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 import org.apache.camel.util.CastUtils; 026 027 /** 028 * A factory of the Camel InitialContext which allows a Map to be used to create a 029 * JNDI context. 030 * 031 * @version 032 */ 033 public class CamelInitialContextFactory implements InitialContextFactory { 034 035 /** 036 * Creates a new context with the given environment. 037 * 038 * @param environment the environment, must not be <tt>null</tt> 039 * @return the created context. 040 * @throws NamingException is thrown if creation failed. 041 */ 042 public Context getInitialContext(Hashtable<?, ?> environment) throws NamingException { 043 try { 044 return new JndiContext(CastUtils.cast(environment, String.class, Object.class)); 045 } catch (Exception e) { 046 if (e instanceof NamingException) { 047 throw (NamingException) e; 048 } 049 NamingException exception = new NamingException(e.getMessage()); 050 exception.initCause(e); 051 throw exception; 052 } 053 } 054 }