content: /*****************************************************************
   *   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
   *
   *    https://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.cayenne.configuration.runtime;
  
  import javax.naming.Context;
  import javax.naming.InitialContext;
  import javax.naming.NamingException;
  import javax.sql.DataSource;
  
  import org.apache.cayenne.CayenneRuntimeException;
  import org.apache.cayenne.configuration.DataNodeDescriptor;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  /**
   * Locates DataSource mapped via JNDI.
   * 
   * @since 3.1
   * @deprecated since 5.0, unused by Cayenne
   */
  @Deprecated(since = "5.0")
  public class JNDIDataSourceFactory implements DataSourceFactory {
  
  	private static final Logger LOGGER = LoggerFactory.getLogger(JNDIDataSourceFactory.class);
  
  	@Override
  	public DataSource getDataSource(DataNodeDescriptor nodeDescriptor) throws Exception {
  
  		String location = getLocation(nodeDescriptor);
  
  		try {
  			return lookupViaJNDI(location);
  		} catch (Exception e) {
  			LOGGER.info("*** failed JNDI lookup of DataSource at location: " + location, e);
  			throw e;
  		}
  	}
  
  	protected String getLocation(DataNodeDescriptor nodeDescriptor) {
  		String location = nodeDescriptor.getParameters();
  		if (location == null) {
  			throw new CayenneRuntimeException("Null 'location' for nodeDescriptor '%s'", nodeDescriptor.getName());
  		}
  
  		return location;
  	}
  
  	DataSource lookupViaJNDI(String location) throws NamingException {
  
  		LOGGER.info("Connecting. JNDI path: " + location);
  
  		Context context = new InitialContext();
  		DataSource dataSource;
  		try {
  			Context envContext = (Context) context.lookup("java:comp/env");
  			dataSource = (DataSource) envContext.lookup(location);
  		} catch (NamingException namingEx) {
  			// try looking up the location directly...
  			dataSource = (DataSource) context.lookup(location);
  		}
  
  		LOGGER.info("Found JNDI DataSource at location: " + location);
  
  		return dataSource;
  	}
  
  }
  