controlservlet.java

Sequoia ERP是一个真正的企业级开源ERP解决方案。它提供的模块包括：电子商务应用(e-commerce), POS系统(point of sales),知识管理,存货与仓库管理

/*
 * $Id: ControlServlet.java 5462 2005-08-05 18:35:48Z jonesde $
 *
 * Copyright (c) 2001-2003 The Open For Business Project - www.ofbiz.org
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included
 * in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
 * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
 * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT
 * OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR
 * THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */
package org.ofbiz.webapp.control;

import javax.servlet.RequestDispatcher;
import javax.servlet.ServletConfig;
import javax.servlet.ServletContext;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import java.io.IOException;
import java.util.Enumeration;

import com.ibm.bsf.BSFManager;

import org.ofbiz.base.util.Debug;
import org.ofbiz.base.util.UtilHttp;
import org.ofbiz.base.util.UtilJ2eeCompat;
import org.ofbiz.base.util.UtilTimer;
import org.ofbiz.base.util.UtilValidate;
import org.ofbiz.entity.GenericDelegator;
import org.ofbiz.entity.GenericValue;
import org.ofbiz.entity.transaction.GenericTransactionException;
import org.ofbiz.entity.transaction.TransactionUtil;
import org.ofbiz.security.Security;
import org.ofbiz.service.LocalDispatcher;
import org.ofbiz.webapp.stats.ServerHitBin;

/**
 * ControlServlet.java - Master servlet for the web application.
 *
 * @author     <a href="mailto:[e-mail]">Andy Zeneski</a>
 * @author     <a href="mailto:[e-mail]">David E. Jones</a>
 * @version    $Rev: 5462 $
 * @since      2.0
 */
public class ControlServlet extends HttpServlet {

    public static final String module = ControlServlet.class.getName();

    public ControlServlet() {
        super();
    }

    /**
     * @see javax.servlet.Servlet#init(javax.servlet.ServletConfig)
     */
    public void init(ServletConfig config) throws ServletException {
        super.init(config);
        if (Debug.infoOn()) {
            Debug.logInfo("[ControlServlet.init] Loading Control Servlet mounted on path " + config.getServletContext().getRealPath("/"), module);
        }

        // configure custom BSF engines
        configureBsf();
        // initialize the request handler
        getRequestHandler();
    }

    /**
     * @see javax.servlet.http.HttpServlet#doPost(javax.servlet.http.HttpServletRequest, javax.servlet.http.HttpServletResponse)
     */
    public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        doGet(request, response);
    }

    /**
     * @see javax.servlet.http.HttpServlet#doGet(javax.servlet.http.HttpServletRequest, javax.servlet.http.HttpServletResponse)
     */
    public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        // setup DEFAULT chararcter encoding and content type, this will be overridden in the RequestHandler for view rendering
        String charset = getServletContext().getInitParameter("charset");
        if (charset == null || charset.length() == 0) charset = request.getCharacterEncoding();
        if (charset == null || charset.length() == 0) charset = "UTF-8";
        Debug.logInfo("The character encoding of the request is: [" + request.getCharacterEncoding() + "]. The character encoding we will use for the request and response is: [" + charset + "]", module);

        if (!"none".equals(charset)) {
            request.setCharacterEncoding(charset);
        }

        // setup content type
        String contentType = "text/html";
        if (charset.length() > 0 && !"none".equals(charset)) {
            response.setContentType(contentType + "; charset=" + charset);
            response.setCharacterEncoding(charset);
        } else {
            response.setContentType(contentType);
        }

        long requestStartTime = System.currentTimeMillis();
        HttpSession session = request.getSession();

        GenericValue userLogin = (GenericValue) session.getAttribute("userLogin");
        //Debug.log("Cert Chain: " + request.getAttribute("javax.servlet.request.X509Certificate"), module);

        // workaraound if we are in the root webapp
        String webappName = UtilHttp.getApplicationName(request);

        String rname = "";
        if (request.getPathInfo() != null) {
            rname = request.getPathInfo().substring(1);
        }
        if (rname.indexOf('/') > 0) {
            rname = rname.substring(0, rname.indexOf('/'));
        }

        UtilTimer timer = null;
        if (Debug.timingOn()) {
            timer = new UtilTimer();
            timer.setLog(true);
            timer.timerString("[" + rname + "] Servlet Starting, doing setup", module);
        }

        // Setup the CONTROL_PATH for JSP dispatching.
        request.setAttribute("_CONTROL_PATH_", request.getContextPath() + request.getServletPath());
        if (Debug.verboseOn())
            Debug.logVerbose("Control Path: " + request.getAttribute("_CONTROL_PATH_"), module);

        // for convenience, and necessity with event handlers, make security and delegator available in the request:
        // try to get it from the session first so that we can have a delegator/dispatcher/security for a certain user if desired
        GenericDelegator delegator = null;
        String delegatorName = (String) session.getAttribute("delegatorName");
        if (UtilValidate.isNotEmpty(delegatorName)) {
            delegator = GenericDelegator.getGenericDelegator(delegatorName);
        }
        if (delegator == null) {
            delegator = (GenericDelegator) getServletContext().getAttribute("delegator");
        }
        if (delegator == null) {
            Debug.logError("[ControlServlet] ERROR: delegator not found in ServletContext", module);
        } else {
            request.setAttribute("delegator", delegator);
            // always put this in the session too so that session events can use the delegator
            session.setAttribute("delegatorName", delegator.getDelegatorName());
        }

        LocalDispatcher dispatcher = (LocalDispatcher) session.getAttribute("dispatcher");
        if (dispatcher == null) {
            dispatcher = (LocalDispatcher) getServletContext().getAttribute("dispatcher");
        }
        if (dispatcher == null) {
            Debug.logError("[ControlServlet] ERROR: dispatcher not found in ServletContext", module);
        }
        request.setAttribute("dispatcher", dispatcher);