wmenu.java

大家共享愉快, 共享愉快, 共享愉快, 共享愉快,共享愉快

/******************************************************************************
 * The contents of this file are subject to the   Compiere License  Version 1.1
 * ("License"); You may not use this file except in compliance with the License
 * You may obtain a copy of the License at http://www.compiere.org/license.html
 * 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 Compiere ERP & CRM Smart Business Solution. The Initial
 * Developer of the Original Code is Jorg Janke. Portions created by Jorg Janke
 * are Copyright (C) 1999-2005 Jorg Janke.
 * All parts are Copyright (C) 1999-2005 ComPiere, Inc.  All Rights Reserved.
 * Contributor(s): ______________________________________.
 *****************************************************************************/
package org.compiere.www;

import java.io.*;
import java.sql.*;
import java.util.*;
import java.util.logging.*;
import javax.servlet.*;
import javax.servlet.http.*;
import org.apache.ecs.*;
import org.apache.ecs.xhtml.*;
import org.compiere.model.*;
import org.compiere.util.*;

/**
 * Web Menu
 * 
 * @author Jorg Janke
 * @version $Id: WMenu.java,v 1.24 2005/11/28 03:34:21 jjanke Exp $
 */
public class WMenu extends HttpServlet
{

	/** Logger */
	protected CLogger	log	= CLogger.getCLogger (getClass ());

	/**
	 * Initialize global variables
	 * 
	 * @param config
	 *            config
	 * @throws ServletException
	 */
	public void init (ServletConfig config)
		throws ServletException
	{
		super.init (config);
		if (!WebEnv.initWeb (config))
			throw new ServletException ("WMenu.init");
	} // init

	/**
	 * Get Servlet information
	 * 
	 * @return servlet info
	 */
	public String getServletInfo ()
	{
		return "Compiere Web Menu";
	} // getServletInfo

	/**
	 * Clean up resources
	 */
	public void destroy ()
	{
		log.fine("destroy");
		super.destroy ();
	} // destroy

	/** */
	private PreparedStatement	m_pstmt;

	/***************************************************************************
	 * Process the HTTP Get request. - Exit (Logout) - AD_Window_ID Forward to
	 * Window
	 * 
	 * @param request
	 *            request
	 * @param response
	 *            response
	 * @throws ServletException
	 * @throws IOException
	 */
	public void doGet(HttpServletRequest request, HttpServletResponse response)
		throws ServletException, IOException
	{
		log.fine("doGet - Process Menu Request");
		//  Get Parameter: Exit
		if (WebUtil.getParameter (request, "Exit") != null)
		{
			WebUtil.createLoginPage (request, response, this, null, "Exit");
			return;
		}

		//  Get Session attributes
	  	WebSessionCtx wsc = WebSessionCtx.get(request);
		if (wsc.ctx == null)
		{
			WebUtil.createTimeoutPage(request, response, this, null);
			return;
		}

		//  Window
		int AD_Window_ID = WebUtil.getParameterAsInt(request, "AD_Window_ID");

		//  Forward to WWindow
		if (AD_Window_ID != 0)
		{
			log.fine("doGet - AD_Window_ID=" + AD_Window_ID);
			//
			String url = WebEnv.getBaseDirectory("WWindow?AD_Window_ID=" + AD_Window_ID);
			log.fine("doGet - Forward to=" + url);
			//
			RequestDispatcher rd = getServletContext().getRequestDispatcher(url);
			rd.forward(request, response);
			return;
		}

		//  Request not serviceable
		WebUtil.createErrorPage(request, response, this, "NotImplemented");
	}   //  doGet


	/**************************************************************************
	 *  Process the HTTP Post request - Verify Input & Create Menu
	 *
	 * @param request request
	 * @param response response
	 * @throws ServletException
	 * @throws IOException
	 */
	public void doPost(HttpServletRequest request, HttpServletResponse response)
		throws ServletException, IOException
	{
		log.fine("doPost - Create Menu");
		//  Get Session attributes
	  	WebSessionCtx wsc = WebSessionCtx.get(request);
		if (wsc == null)
		{
			WebUtil.createTimeoutPage(request, response, this, null);
			return;
		}

		//  Get Parameters: Role, Client, Org, Warehouse, Date
		String role = WebUtil.getParameter (request, WLogin.P_ROLE);
		String client = WebUtil.getParameter (request, WLogin.P_CLIENT);
		String org = WebUtil.getParameter (request, WLogin.P_ORG);
		String wh = WebUtil.getParameter (request, WLogin.P_WAREHOUSE);
		if (wh == null)
			wh = "";

		//  Get context
		if (role == null || client == null || org == null)
		{
			WebUtil.createTimeoutPage(request, response, this, 
				Msg.getMsg(wsc.ctx, "ParameterMissing"));
			return;
		}

		//  Get Info from Context - User, Role, Client
		int AD_User_ID = Env.getAD_User_ID(wsc.ctx);
		int AD_Role_ID = Env.getAD_Role_ID(wsc.ctx);
		int AD_Client_ID = Env.getAD_Client_ID(wsc.ctx);
		//  Not available in context yet - Org, Warehouse
		int AD_Org_ID = -1;
		int M_Warehouse_ID = -1;

		//  Get latest info from context
		try
		{
			int req_role = Integer.parseInt(role);
			if (req_role != AD_Role_ID)
			{
				log.fine("doPost - AD_Role_ID - changed from " + AD_Role_ID);
				AD_Role_ID = req_role;
				Env.setContext(wsc.ctx, "#AD_Role_ID", AD_Role_ID);
			}
			log.fine("doPost - AD_Role_ID = " + AD_Role_ID);
			//
			int req_client = Integer.parseInt(client);
			if (req_client != AD_Client_ID)
			{
				log.fine("doPost - AD_Client_ID - changed from " + AD_Client_ID);
				AD_Client_ID = req_client;
				Env.setContext(wsc.ctx, "#AD_Client_ID", AD_Client_ID);
			}
			log.fine("doPost - AD_Client_ID = " + AD_Client_ID);
			//
			AD_Org_ID = Integer.parseInt(org);
			log.fine("doPost - AD_Org_ID = " + AD_Org_ID);
			//
			if (wh.length() > 0)
			{
				M_Warehouse_ID = Integer.parseInt(wh);
				log.fine("doPost - M_Warehouse_ID = " + M_Warehouse_ID);
			}
		}
		catch (Exception e)
		{
			log.log(Level.SEVERE, "doPost - Parameter", e);
			WebUtil.createTimeoutPage(request, response, this, 
				Msg.getMsg(wsc.ctx, "ParameterMissing"));
			return;
		}

		//  Check Login info and set environment
		wsc.loginInfo = checkLogin (wsc.ctx, AD_User_ID, AD_Role_ID, 
			AD_Client_ID, AD_Org_ID, M_Warehouse_ID);
		if (wsc.loginInfo == null)
		{
			WebUtil.createErrorPage (request, response, this,  
				Msg.getMsg(wsc.ctx, "RoleInconsistent"));
			return;
		}

		//  Set cookie for future defaults
		Properties cProp = WebUtil.getCookieProprties (request);
		cProp.setProperty(WLogin.P_ROLE, String.valueOf(AD_Role_ID));
		cProp.setProperty(WLogin.P_CLIENT, String.valueOf(AD_Client_ID));
		cProp.setProperty(WLogin.P_ORG, String.valueOf(AD_Org_ID));
		if (M_Warehouse_ID == -1)
			cProp.setProperty(WLogin.P_WAREHOUSE, "");
		else
			cProp.setProperty(WLogin.P_WAREHOUSE, String.valueOf(M_Warehouse_ID));

		//  Set Date
		Timestamp ts = WebUtil.getParameterAsDate (request, WLogin.P_DATE);
		if (ts == null)
			ts = new Timestamp(System.currentTimeMillis());
		Env.setContext(wsc.ctx, "#Date", ts);    //  JDBC format


	//	log.printProperties(System.getProperties(), "System");
	//	log.printProperties(cProp, "Cookie");
	//	log.printProperties(ctx, "Servlet Context");
	//	log.printProperties(Env.getCtx(), "Apps Env Context");


		//  Can we store Cookie ?
		if (!cProp.getProperty(WLogin.P_STORE, "N").equals("Y"))
			cProp.clear();

		WebDoc doc = createPage (request, wsc, AD_Role_ID);
		WebUtil.createResponse (request, response, this, cProp, doc, true);
	}   //  doPost

	/**
	 *  Check Login information and set context.
	 *  @return    true if login info are OK
	 *  @param ctx context
	 *  @param AD_User_ID user
	 *  @param AD_Role_ID role
	 *  @param AD_Client_ID client
	 *  @param AD_Org_ID org
	 *  @param M_Warehouse_ID warehouse
	 */
	private String checkLogin (Properties ctx, int AD_User_ID, int AD_Role_ID, int AD_Client_ID, int AD_Org_ID, int M_Warehouse_ID)
	{
		//  Get Login Info
		String loginInfo = null;
		//  Verify existance of User/Client/Org/Role and User's acces to Client & Org
		String sql = "SELECT u.Name || '@' || c.Name || '.' || o.Name || ' [' || INITCAP(USER) || ']' AS Text "
			+ "FROM AD_User u, AD_Client c, AD_Org o, AD_User_Roles ur "
			+ "WHERE u.AD_User_ID=?"    //  #1
			+ " AND c.AD_Client_ID=?"   //  #2