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SimpleConnection.java
Package: jforum-2.1.8-src.zip [view]
Upload User: gdxydsw
Upload Date: 2019-01-29
Package Size: 16721k
Code Size: 3k
Category:
Java Develop
Development Platform:
Java
- /*
- * Copyright (c) JForum Team
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms,
- * with or without modification, are permitted provided
- * that the following conditions are met:
- *
- * 1) Redistributions of source code must retain the above
- * copyright notice, this list of conditions and the
- * following disclaimer.
- * 2) Redistributions in binary form must reproduce the
- * above copyright notice, this list of conditions and
- * the following disclaimer in the documentation and/or
- * other materials provided with the distribution.
- * 3) Neither the name of "Rafael Steil" nor
- * the names of its contributors may be used to endorse
- * or promote products derived from this software without
- * specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT
- * HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING,
- * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
- * THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
- * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
- * IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
- * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
- * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE
- *
- * This file creation date: 25/08/2004 23:32:20
- * The JForum Project
- * http://www.jforum.net
- */
- package net.jforum;
- import java.sql.Connection;
- import java.sql.DriverManager;
- import net.jforum.exceptions.DatabaseException;
- import net.jforum.util.preferences.ConfigKeys;
- import net.jforum.util.preferences.SystemGlobals;
- /**
- * Non-pooled connection implementation.
- * This class will ask a new conneciton to the database on every
- * <code>getConnection()</code> class. Uses of this class include
- * systems where a connection pool is not permited or the
- * connections' life time is too short, not justifying to have
- * a connection pool.
- *
- * @author Rafael Steil
- * @version $Id: SimpleConnection.java,v 1.16 2007/09/12 23:54:21 rafaelsteil Exp $
- */
- public class SimpleConnection extends DBConnection
- {
- /**
- * @see net.jforum.Connection#init()
- */
- public void init() throws Exception
- {
- try {
- Class.forName(SystemGlobals.getValue(ConfigKeys.DATABASE_CONNECTION_DRIVER));
- // Try to validate the connection url
- Connection conn = this.getConnection();
- if (conn != null) {
- this.releaseConnection(conn);
- }
- this.isDatabaseUp = true;
- }
- catch (Exception e) {
- this.isDatabaseUp = false;
- throw e;
- }
- }
- /**
- * @see net.jforum.Connection#getConnection()
- */
- public Connection getConnection()
- {
- try {
- return DriverManager.getConnection(SystemGlobals.getValue(ConfigKeys.DATABASE_CONNECTION_STRING));
- }
- catch (Exception e) {
- e.printStackTrace();
- throw new DatabaseException(e);
- }
- }
- /**
- * @see net.jforum.Connection#releaseConnection(java.sql.Connection)
- */
- public void releaseConnection(Connection conn)
- {
- if (conn != null) {
- try {
- conn.close();
- }
- catch (Exception e) { }
- }
- }
- /**
- * @see net.jforum.DBConnection#realReleaseAllConnections()
- */
- public void realReleaseAllConnections() throws Exception {}
- }