forwardtaskaction.java

公司自己开发的工作流引擎

package cn.com.iaspec.workflow.client.web.action.privilege;
import cn.com.iaspec.workflow.client.web.action.base.*;
import org.apache.struts.action.ActionForward;
import javax.servlet.http.HttpServletRequest;
import org.apache.struts.action.ActionMapping;
import javax.servlet.http.HttpServletResponse;
import org.apache.struts.action.ActionForm;
import cn.com.iaspec.workflow.vo.workflow.UserInfo;
import cn.com.iaspec.workflow.helper.OrganizationHelper;
import cn.com.iaspec.workflow.exception.WorkflowException;
import java.util.List;
import cn.com.iaspec.workflow.util.FlowWebKeys;
import javax.servlet.http.HttpSession;
import cn.com.iaspec.workflow.util.CommonUtil;
import cn.com.iaspec.workflow.helper.CaseWorkflowHelper;
import java.util.StringTokenizer;

/**
 * <p>Title: </p>
 * <p>Description: </p>
 * <p>Copyright: Copyright (c) 2005</p>
 * <p>Company: IASPEC Technologies</p>
 *
 * @author Leigm
 * @version 1.0
 */

public class ForwardTaskAction extends BaseAction{

  /**
   * 检查工作项是否有转寄权限及查询工作项接受人员
   */
  public ActionForward selectActor(ActionMapping mapping,ActionForm form,
      HttpServletRequest request,HttpServletResponse response)
      throws Exception{
    String strWorkItemId=request.getParameter("workitemId");
    String areaId = request.getParameter("areaId");
    areaId = areaId == null?"02":areaId;

    if(strWorkItemId==null || "".equals(strWorkItemId) ||
        !CommonUtil.isNumeric(strWorkItemId)){
      throw new WorkflowException("工作项ID不正确。");
    }

    long workItemId=0;
    workItemId=Long.parseLong(strWorkItemId);

    HttpSession session=request.getSession(false);
    UserInfo userInfo=(UserInfo)session.getAttribute(FlowWebKeys.USER_SESSION);
    CaseWorkflowHelper helper = new CaseWorkflowHelper(userInfo);
    boolean hasForwardPrivilege=false;

    try{
      //检查工作项是否有转寄权限
      hasForwardPrivilege=helper.getWorkItemHasForwardPrivilege(workItemId);

      if(!hasForwardPrivilege){
        request.setAttribute("tip_type","no_privilege");
        return mapping.findForward("no_privilege");
      }
      else{
        OrganizationHelper orgHelper = new OrganizationHelper();
        List userTreeList = orgHelper.getForwardUserTreeList(workItemId,areaId,
            userInfo.getUserId());
        session.setAttribute("actor_tree_list",userTreeList);

        return mapping.findForward("select_user");
      }
    }
    catch(Exception ex){
      ex.printStackTrace();
      throw new WorkflowException(ex.getMessage());
    }
  }

  /**
   * 转寄工作项
   */
  public ActionForward reassignWorkitem(ActionMapping mapping,ActionForm form,
      HttpServletRequest request,HttpServletResponse response)
      throws Exception{
    String strWorkitemId = request.getParameter("workitemId");  //工作项ID
    String executorInfo = request.getParameter("executorInfo");

    if(executorInfo == null || "".equals(executorInfo.trim())){
      throw new WorkflowException("被转寄人为空。");
    }
    if(executorInfo == null || "".equals(executorInfo.trim()) ||
        !CommonUtil.isNumeric(strWorkitemId)){
      throw new WorkflowException("工作项ID不正确。");
    }

    StringTokenizer tokenizer = new StringTokenizer(executorInfo,";");
    String executorId = tokenizer.nextToken();           //接受人员ID
    String executorName = tokenizer.nextToken();         //接受人员名称

    HttpSession session=request.getSession(false);
    UserInfo userInfo=(UserInfo)session.getAttribute(FlowWebKeys.USER_SESSION);
    CaseWorkflowHelper helper = new CaseWorkflowHelper(userInfo);

    long workitemId = Long.parseLong(strWorkitemId);
    try{
      helper.reassignWorkitem(workitemId,executorId,userInfo);
    }
    catch(Exception ex){
      ex.printStackTrace();
      throw new WorkflowException(ex.getMessage());
    }

    request.setAttribute("tip_type","reassign_ok");
    request.setAttribute("executor_name",executorName);
    return mapping.findForward("reassign_ok");
  }

}