/*

  * Copyright 2001,2004 The Apache Software Foundation.

  * 

  * Licensed 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.commons.scaffold.sql;

 /**

  * ConnectionAdaptor for Poolman.

  * <p>

  * When an application initializes it should create an instance

  * of this class to use Poolman for SQL connections.

  *

  * @author Ted Husted

  * @version $Revision: 155464 $ $Date: 2005-02-26 13:26:54 +0000 (Sat, 26 Feb 2005) $

  */

 import java.sql.SQLException;

 import javax.sql.DataSource;

 import com.codestudio.sql.PoolMan;

 public class PoolmanAdaptor extends ConnectionAdaptor {

     /**

      * An exception message to throw if poolman returns null.

      */

     private static final String POOLMAN_MESSAGE = "Connection pool " +

         "not available. Check your poolman.xml config, and be sure " +

         "you are using a valid dbname parameter (use dbname, not jndiName)";

         // Inherits JavaDoc

     protected DataSource getDataSource(String key)

             throws SQLException {

         if (null==key) return null;

         return PoolMan.findDataSource(key);

     }

      // Required

     public PoolmanAdaptor() {

         setMessage(POOLMAN_MESSAGE);

         if (null==pool) pool = this;

     }

 } // end PoolmanAdaptor