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/* 
 * Copyright 2001-2009 Terracotta, Inc. Inc. 
 * 
 * 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.quartz.utils.weblogic;

import java.sql.Connection;
import java.sql.SQLException;

import org.quartz.utils.ConnectionProvider;

import weblogic.jdbc.jts.Driver;

/**
 * 
 * Provides connections via Weblogic's JTS driver.
 * 
 * 
 * @see org.quartz.utils.ConnectionProvider
 * @see org.quartz.utils.DBConnectionManager
 * 
 * @author Mohammad Rezaei
 * @author James House
 */
@SuppressWarnings("deprecation")
public class WeblogicConnectionProvider implements ConnectionProvider {

    /*
     * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
     * 
     * Data members.
     * 
     * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
     */

    private String poolName;

    private weblogic.jdbc.jts.Driver driver;

    /*
     * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
     * 
     * Constructors.
     * 
     * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
     */

    public WeblogicConnectionProvider(String poolName) {
        this.poolName = poolName;
    }

    /*
     * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
     * 
     * Interface.
     * 
     * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
     */

    public Connection getConnection() throws SQLException {
        return driver.connect("jdbc:weblogic:jts:" + poolName,
                (java.util.Properties) null);
    }

    public void initialize() throws SQLException {
        try {
            driver = (Driver) weblogic.jdbc.jts.Driver.class.newInstance();
        } catch (Exception e) {
            throw new SQLException(
                    "Could not get weblogic pool connection with name '"
                            + poolName + "': " + e.getClass().getName() + ": "
                            + e.getMessage());
        }
    }
    
    public void shutdown() throws SQLException {
        // do nothing
    }    

}