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 // 018 // This source code implements specifications defined by the Java 019 // Community Process. In order to remain compliant with the specification 020 // DO NOT add / change / or delete method signatures! 021 // 022 package javax.ejb.embeddable; 023 024 import javax.ejb.EJBException; 025 import javax.ejb.spi.EJBContainerProvider; 026 import java.io.BufferedReader; 027 import java.io.IOException; 028 import java.io.InputStreamReader; 029 import java.net.URL; 030 import java.util.Collections; 031 import java.util.Enumeration; 032 033 import org.apache.geronimo.osgi.locator.ProviderLocator; 034 035 public abstract class EJBContainer { 036 037 public static final String PROVIDER = "javax.ejb.embeddable.provider"; 038 public static final String APP_NAME = "javax.ejb.embeddable.appName"; 039 public static final String MODULES = "javax.ejb.embeddable.modules"; 040 041 public EJBContainer() { 042 } 043 044 public abstract void close(); 045 046 public static EJBContainer createEJBContainer() { 047 return createEJBContainer(Collections.EMPTY_MAP); 048 } 049 050 public static EJBContainer createEJBContainer(java.util.Map<?, ?> properties) { 051 if (properties == null) { 052 properties = Collections.EMPTY_MAP; 053 } 054 055 Object o = properties.get(PROVIDER); 056 057 if (o instanceof String) { 058 String providerName = (String) o; 059 060 Class providerClass; 061 062 try { 063 providerClass = ProviderLocator.loadClass(providerName); 064 } catch (Exception e) { 065 throw new EJBException("Invalid or inaccessible provider class: " + providerName, e); 066 } 067 068 try { 069 EJBContainerProvider provider = (EJBContainerProvider) providerClass.newInstance(); 070 return provider.createEJBContainer(properties); 071 } catch (Exception e) { 072 throw new EJBException("Provider error. Provider: " + providerName, e); 073 } 074 } else { 075 // do the services search processing. 076 try { 077 ClassLoader loader = Thread.currentThread().getContextClassLoader(); 078 // go check the loader files. 079 EJBContainerProvider provider = (EJBContainerProvider)ProviderLocator.getService(EJBContainerProvider.class.getName(), EJBContainer.class, loader); 080 if (provider != null) { 081 return provider.createEJBContainer(properties); 082 } 083 else { 084 throw new EJBException("Provider error. No provider definition found"); 085 } 086 } catch (Exception e) { 087 throw new EJBException("Provider error. No provider found", e); 088 } 089 } 090 } 091 092 public abstract javax.naming.Context getContext(); 093 }