01: /**
02: *
03: * Licensed to the Apache Software Foundation (ASF) under one or more
04: * contributor license agreements. See the NOTICE file distributed with
05: * this work for additional information regarding copyright ownership.
06: * The ASF licenses this file to You under the Apache License, Version 2.0
07: * (the "License"); you may not use this file except in compliance with
08: * the License. You may obtain a copy of the License at
09: *
10: * http://www.apache.org/licenses/LICENSE-2.0
11: *
12: * Unless required by applicable law or agreed to in writing, software
13: * distributed under the License is distributed on an "AS IS" BASIS,
14: * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15: * See the License for the specific language governing permissions and
16: * limitations under the License.
17: */package org.apache.openejb.tomcat.common;
18:
19: import org.apache.openejb.core.CoreUserTransaction;
20: import org.apache.openejb.loader.SystemInstance;
21:
22: import javax.naming.Context;
23: import javax.naming.Name;
24: import javax.naming.NamingException;
25: import javax.naming.spi.ObjectFactory;
26: import javax.transaction.TransactionManager;
27: import javax.transaction.UserTransaction;
28: import java.util.Hashtable;
29:
30: public class UserTransactionFactory implements ObjectFactory {
31: public Object getObjectInstance(Object object, Name name,
32: Context context, Hashtable environment) throws Exception {
33: // get the transaction manager
34: TransactionManager transactionManager = SystemInstance.get()
35: .getComponent(TransactionManager.class);
36: if (transactionManager == null) {
37: throw new NamingException("transaction manager not found");
38: }
39:
40: // if transaction manager implements user transaction we are done
41: if (transactionManager instanceof UserTransaction) {
42: return transactionManager;
43: }
44:
45: // wrap transaction manager with user transaction
46: return new CoreUserTransaction(transactionManager);
47: }
48: }
|