workflowjspclient.java

公司自己开发的工作流引擎

package cn.com.iaspec.workflow.client;

import javax.servlet.http.*;
import cn.com.iaspec.workflow.helper.*;
import cn.com.iaspec.workflow.util.*;
import cn.com.iaspec.workflow.vo.workflow.*;

/**
 *
 * <p>Title: 工作流web jsp应用客户端</p>
 * <p>Description: </p>
 * <p>Copyright: Copyright (c) 2005</p>
 * <p>Company: IASPEC Technologies</p>
 * @author xiesonglin
 * @version 1.0
 */
public class WorkflowJSPClient{
  public WorkflowJSPClient(){

  }

  /**
   * 提交处理工作流。首先从request取得参数信息，根据参数保存工作流数据，提交工作项，指定参与者，往工作流表与业务的关联信息表中插入数据。
   * @param request HttpServletRequest http请求
   * @param businessId String 业务信息id
   */
  public void processWorkflow(HttpServletRequest request,String businessId)
      throws Exception{
    //取得用户信息
    HttpSession session=request.getSession(false);
    UserInfo userInfo=(UserInfo)session.getAttribute(FlowWebKeys.USER_SESSION);
    CaseWorkflowHelper helper=new CaseWorkflowHelper(userInfo);
    helper.dealWithWorkflow(request,businessId);
  }

  /**
   * 更新流程对应的标题
   * @param request HttpServletRequest http请求
   * @param title String 标题
   */
  public void updateProcessTitle(HttpServletRequest request,String title)
      throws Exception{
    //取得projectId
    String projectId=request.getParameter("wf_project_id")==null?"":
        request.getParameter("wf_project_id");
    if(projectId==null||projectId.equals("")||projectId.equals("")||
        projectId.equals("null")){
      throw new Exception("项目id为空。");
    }
    WorkflowHelper helper=new WorkflowHelper();
    helper.updatePublicProjectTitle(title,Long.parseLong(projectId));
  }

  /**
   * 将HttpServletRequest封装成工作流处理信息对象
   * @param request HttpServletRequest http请求
   * @return WorkflowProcessInfo 工作流处理信息对象
   */
  public WorkflowProcessInfo getWorkflowProcessInfo(HttpServletRequest request){
    WorkflowProcessInfo wfInfo=null;
    try{
      ParseRquestParameter parse=new ParseRquestParameter();
      wfInfo=parse.getWorkflowProcessInfo(request);
      //wfInfo.setRequest(request);

    }
    catch(Exception ex){
      ex.printStackTrace();
    }
    return wfInfo;
  }

}