| /* |
| * 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.ode.il.dbutil; |
| |
| import javax.naming.InitialContext; |
| import javax.sql.DataSource; |
| |
| import org.apache.ode.il.config.OdeConfigProperties; |
| |
| public class ExternalDB extends Database { |
| |
| public ExternalDB(OdeConfigProperties props) { |
| super(props); |
| } |
| |
| @Override |
| protected void initDataSource() throws DatabaseConfigException { |
| try { |
| _datasource = (DataSource) lookupInJndi(_odeConfig.getDbDataSource()); |
| __log.info(__msgs.msgOdeUsingExternalDb(_odeConfig.getDbDataSource())); |
| } catch (Exception ex) { |
| String msg = __msgs.msgOdeInitExternalDbFailed(_odeConfig.getDbDataSource()); |
| __log.error(msg, ex); |
| throw new DatabaseConfigException(msg, ex); |
| } |
| } |
| |
| @SuppressWarnings("unchecked") |
| private <T> T lookupInJndi(String objName) throws Exception { |
| ClassLoader old = Thread.currentThread().getContextClassLoader(); |
| Thread.currentThread().setContextClassLoader(getClass().getClassLoader()); |
| try { |
| InitialContext ctx = null; |
| try { |
| ctx = new InitialContext(); |
| return (T) ctx.lookup(objName); |
| } finally { |
| if (ctx != null) |
| try { |
| ctx.close(); |
| } catch (Exception ex1) { |
| __log.error("Error closing JNDI connection.", ex1); |
| } |
| } |
| } finally { |
| Thread.currentThread().setContextClassLoader(old); |
| } |
| } |
| } |