poolmanbootstrap.java

Java Database connection pool

/*
 *  PoolMan Java Object Pooling and Caching Library
 *  Copyright (C) 1999-2001 The Code Studio
 *
 *  This library is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU Lesser General Public
 *  License as published by the Free Software Foundation; either
 *  version 2 of the License, or (at your option) any later version.
 *
 *  This library is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 *  Lesser General Public License for more details.
 *
 *  The full license is located at the root of this distribution
 *  in the LICENSE file.
 */
package com.codestudio.management;

import com.codestudio.PoolManConstants;


/**
 * If SQLManager is invoked (which happens when DataSources, Drivers, etc. are requested)
 * and not yet instantiated, it will make a call to this class to bootstrap the config
 * and pool deployment process. This class creates a PoolManConfiguration object, which
 * contains data from the poolman.xml file, and then passes that config object to
 * the appropriate deployer depending on whether the config shows that JMX will be used
 * or whether simple local metadata will be used to deploy and manage pools.
 */
public class PoolManBootstrap {


    public static void main(String[] args) throws Exception {
        if ((args == null) || (args.length == 0)) {
            new PoolManBootstrap();
        }
        else if (args.length == 1) {
            new PoolManBootstrap(args[0]);
        }
        else {
            System.out.println("SYNTAX: java -Djava.security.policy=" + "[your policy file] com.codestudio.management." + "PoolManBootstrap [optional: config file name]");
            System.exit(1);
        }
    }

    public PoolManBootstrap() throws Exception {
        this(PoolManConstants.XML_CONFIG_FILE);
    }

    public PoolManBootstrap(String configFile) throws Exception {

        PoolManConfiguration config = new PoolManConfiguration(configFile);
        config.loadConfiguration();

        PoolManDeployer deployer;

        if (config.isUsingJMX()) {
            deployer = new JMXPoolDeployer();
            deployer.deployConfiguration(config);
        }

        else {
            deployer = new LocalPoolDeployer();
            deployer.deployConfiguration(config);
        }

        // SET STATUS
        com.codestudio.sql.PoolMan.STARTED = true;
    }

}