Java tutorial
/********************************************************************************* * The contents of this file are subject to the Common Public Attribution * License Version 1.0 (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.openemm.org/cpal1.html. The License is based on the Mozilla * Public License Version 1.1 but Sections 14 and 15 have been added to cover * use of software over a computer network and provide for limited attribution * for the Original Developer. In addition, Exhibit A has been modified to be * consistent with Exhibit B. * Software distributed under the License is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License for * the specific language governing rights and limitations under the License. * * The Original Code is OpenEMM. * The Original Developer is the Initial Developer. * The Initial Developer of the Original Code is AGNITAS AG. All portions of * the code written by AGNITAS AG are Copyright (c) 2007 AGNITAS AG. All Rights * Reserved. * * Contributor(s): AGNITAS AG. ********************************************************************************/ /* * WebServiceBase.java * * Created on 29. Juli 2003, 13:17 */ package org.agnitas.webservice; import org.agnitas.util.AgnUtils; import org.apache.axis.MessageContext; import org.apache.axis.components.logger.LogFactory; import org.apache.commons.logging.Log; import org.springframework.remoting.jaxrpc.ServletEndpointSupport; import javax.servlet.GenericServlet; import javax.servlet.http.HttpServletRequest; import javax.sql.DataSource; import java.sql.Connection; import java.sql.PreparedStatement; import java.sql.ResultSet; /** * * @author mhe */ public class WebServiceBase extends ServletEndpointSupport { protected DataSource agnDBPool = null; protected Log log = LogFactory.getLog("com.agnitas.webservice.LogHandler"); protected Connection getConnection(MessageContext msct) { Connection dbConn = null; GenericServlet aServlet = (GenericServlet) msct.getProperty("transport.http.servlet"); if (agnDBPool == null) { agnDBPool = AgnUtils.retrieveDataSource(aServlet.getServletContext()); } try { dbConn = agnDBPool.getConnection(); } catch (Exception e) { dbConn = null; } return dbConn; } protected void freeConnection(Connection dbConn) { if (dbConn != null) { try { dbConn.close(); } catch (Exception e) { // do nothing AgnUtils.logger().info("could not close connection"); } } } protected boolean authenticateUser(MessageContext msct, String user, String pwd, int companyID) { try { Connection dbConn = this.getConnection(msct); try { PreparedStatement statement = dbConn .prepareStatement("SELECT ws_admin_id FROM ws_admin_tbl WHERE username=? AND password=?"); try { statement.setString(1, user); statement.setString(2, pwd); ResultSet rs = statement.executeQuery(); try { if (rs.next()) { return true; } else { HttpServletRequest req = (HttpServletRequest) msct .getProperty("transport.http.servletRequest"); log.info(req.getRemoteAddr() + " -0-l: login failed: " + user + " " + companyID); return false; } } finally { rs.close(); } } finally { statement.close(); } } finally { dbConn.close(); } } catch (Exception e) { logger.error("Error authenticating user " + user, e); return false; } } }