JBoss7 Transaction Manager Lookup

JBoss7TransactionManagerLookup.java

public class JBoss7TransactionManagerLookup implements TransactionManagerLookup {
   public TransactionManager getTransactionManager() throws Exception {
      InitialContext ic = new InitialContext();
      TransactionManager tm  = (TransactionManager) ic.lookup("java:jboss/TransactionManager");
      if (tm == null) throw new IllegalStateException("Couldn't find the transaction mamager in JNDI");
      return tm;
   }
}