| /* |
| * 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.naming.factory; |
| |
| import java.util.Hashtable; |
| |
| import javax.naming.Context; |
| import javax.naming.Name; |
| import javax.naming.NamingException; |
| import javax.naming.RefAddr; |
| import javax.naming.Reference; |
| import javax.naming.spi.ObjectFactory; |
| |
| import org.apache.naming.ResourceEnvRef; |
| |
| /** |
| * Object factory for Resources env. |
| * |
| * @author Remy Maucherat |
| * @version $Id: ResourceEnvFactory.java,v 1.1 2011/06/28 21:14:11 rherrmann Exp $ |
| */ |
| |
| public class ResourceEnvFactory |
| implements ObjectFactory { |
| |
| |
| // ----------------------------------------------------------- Constructors |
| |
| |
| // -------------------------------------------------------------- Constants |
| |
| |
| // ----------------------------------------------------- Instance Variables |
| |
| |
| // --------------------------------------------------------- Public Methods |
| |
| |
| // -------------------------------------------------- ObjectFactory Methods |
| |
| |
| /** |
| * Create a new Resource env instance. |
| * |
| * @param obj The reference object describing the DataSource |
| */ |
| @Override |
| public Object getObjectInstance(Object obj, Name name, Context nameCtx, |
| Hashtable<?,?> environment) |
| throws Exception { |
| |
| if (obj instanceof ResourceEnvRef) { |
| Reference ref = (Reference) obj; |
| ObjectFactory factory = null; |
| RefAddr factoryRefAddr = ref.get(Constants.FACTORY); |
| if (factoryRefAddr != null) { |
| // Using the specified factory |
| String factoryClassName = |
| factoryRefAddr.getContent().toString(); |
| // Loading factory |
| ClassLoader tcl = |
| Thread.currentThread().getContextClassLoader(); |
| Class<?> factoryClass = null; |
| if (tcl != null) { |
| try { |
| factoryClass = tcl.loadClass(factoryClassName); |
| } catch(ClassNotFoundException e) { |
| NamingException ex = new NamingException |
| ("Could not load resource factory class"); |
| ex.initCause(e); |
| throw ex; |
| } |
| } else { |
| try { |
| factoryClass = Class.forName(factoryClassName); |
| } catch(ClassNotFoundException e) { |
| NamingException ex = new NamingException |
| ("Could not load resource factory class"); |
| ex.initCause(e); |
| throw ex; |
| } |
| } |
| if (factoryClass != null) { |
| try { |
| factory = (ObjectFactory) factoryClass.newInstance(); |
| } catch(Throwable t) { |
| if (t instanceof NamingException) |
| throw (NamingException) t; |
| NamingException ex = new NamingException |
| ("Could not create resource factory instance"); |
| ex.initCause(t); |
| throw ex; |
| } |
| } |
| } |
| // Note: No defaults here |
| if (factory != null) { |
| return factory.getObjectInstance |
| (obj, name, nameCtx, environment); |
| } else { |
| throw new NamingException |
| ("Cannot create resource instance"); |
| } |
| } |
| |
| return null; |
| |
| } |
| |
| |
| } |
| |