junk-cvs-sync Mailing List for java useful Net Kollektor (Page 2)

SourceForge Headquarters 225 Broadway Suite 1600 San Diego, CA 92101 +1 (858) 422-6466

Update of /cvsroot/junk/junk/WEB-INF/classes/junk/plugin/database
In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv25598

Added Files:
	DatabasePlugin.java 
Log Message:
initial import


--- NEW FILE: DatabasePlugin.java ---
/*
 * juNK - a file search system for smb shares
 *
 * Copyright 2004 by
 *	Marcus Proest (theevilflow at users dot sf dot net)
 * 	Uwe van Heesch (tyron_e at users dot sf dot net)
 *
 *  This file is part of junk (java useful net kollektor).
 *
 *   junk is free software; you can redistribute it and/or modify
 *   it under the terms of the GNU General Public License as published by
 *   the Free Software Foundation; either version 2 of the License, or
 *   (at your option) any later version.
 *
 *   junk 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 General Public License for more details.
 *
 *   You should have received a copy of the GNU General Public License
 *   along with junk; if not, write to the Free Software
 *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 */

/*
 * DatabasePlugin.java
 *
 * Created on 23. März 2004, 20:28
 */
package junk.plugin.database;

import junk.plugin.PluginTools;

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

import java.util.HashMap;

import javax.servlet.ServletException;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

import org.apache.struts.action.ActionServlet;
import org.apache.struts.action.PlugIn;
import org.apache.struts.config.ModuleConfig;


/**
 * plugin to provide a database connection instead of using DBCP
 * @author Marcus Proest
 */
public class DatabasePlugin implements PlugIn, ConnectionProvider {
    /**
     * context saving key
     */
    public static final String KEY_DATABASE_CON = "database-provider";

    /** the actionservlet of the struts application */
    private ActionServlet actionServlet = null;

    /**
     * plugin configuration
     */
    private HashMap conf = null;

    /** log writer */
    private Log log = LogFactory.getLog(DatabasePlugin.class);

    /**
     * database password
     */
    private String pass = null;

    /**
     * database url
     */
    private String url = null;

    /**
     * database user
     */
    private String user = null;

    /** Creates a new instance of DatabasePlugin */
    public DatabasePlugin() {
    }

    /**
     * return a valid database connection
     * @throws SQLException yupp, life's bad
     * @return a valid database connection
     */
    public Connection getConnection() throws SQLException {
        return DriverManager.getConnection(url, user, pass);
    }

    /**
     * destroy plugin
     */
    public void destroy() {
        log.info("DatabasePlugin just left the building");
    }

    /**
     * initialize plugin
     * @param a ActionServlet of the struts application
     * @param m the ModuleConfig of the struts application
     * @throws ServletException ServletException
     */
    public void init(ActionServlet a, ModuleConfig m)
        throws ServletException {
        this.actionServlet = a;
        this.conf = PluginTools.getPluginConfig(DatabasePlugin.class, m);

        if (this.conf == null) {
            log.fatal("No database configuration found.");
        }

        String driver = (String) this.conf.get("driverClass");
        this.url = (String) this.conf.get("url");
        this.user = (String) this.conf.get("user");
        this.pass = (String) this.conf.get("password");

        if ((driver == null) || (url == null) || (user == null)
                || (pass == null)) {
            log.fatal("Bad database configuration:" + "[" + driver + "][" + url
                + "][" + user + "][(pass null?)" + (pass == null) + "]",
                new IllegalArgumentException());
        }

        try {
            Class.forName(driver).newInstance();

            Connection con = DriverManager.getConnection(url, user, pass);
            con.close();
        } catch (SQLException e1) {
            log.fatal("Error while connecting to data source.", e1);
        } catch (ClassNotFoundException e2) {
            log.fatal("Could not find JDBC driver.", e2);
        } catch (InstantiationException e3) {
            log.fatal("Could not instantiate JDBC driver.", e3);
        } catch (IllegalAccessException e4) {
            log.fatal("Illegal access while instatiating JDBC driver.", e4);
        }

        this.actionServlet.getServletContext().setAttribute(DatabasePlugin.KEY_DATABASE_CON,
            (ConnectionProvider) this);
        log.info("DatabasePlugin loaded ( [" + driver + "][" + url + "]["
            + user + "] )");
    }
}

2003	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov (25)	Dec (39)
2004	Jan	Feb (1)	Mar (61)	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec

junk-cvs-sync Mailing List for java useful Net Kollektor (Page 2)

junk-cvs-sync — Developer CVS Synchronisation (High Traffic)