requestaction.java

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package com.cargo.crotrol;

import org.apache.struts.action.*;
import javax.servlet.http.*;
import org.apache.struts.action.ActionMapping;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import com.cargo.filter.Line;
import com.cargo.db.Requestdb;
import java.util.Collection;
import java.util.ArrayList;

/**
 * <p>Title: </p>
 * <p>Description: </p>
 * <p>Copyright: Copyright (c) 2004</p>
 * <p>Company: MR</p>
 * @author BWM
 * @version 1.0
 */
public class RequestAction extends Action {

    private ActionForward forward=new ActionForward();
    private Line online=new Line();
    private Requestdb db=new Requestdb();
    private int t=0;
    private Collection coll=new ArrayList();
    private ActionErrors errors=new ActionErrors();

    public ActionForward perform(ActionMapping actionMapping, ActionForm actionForm, HttpServletRequest httpServletRequest, HttpServletResponse httpServletResponse) {
        /**@todo: complete the business logic here, this is just a skeleton.*/
        RequestForm requestForm = (RequestForm) actionForm;
        String action=actionMapping.getParameter();
        forward = online.down("id", actionMapping, httpServletRequest, "errors");
        if (forward != null && forward.getName().equals("errors")) {
            return forward;
        }
        if("".equalsIgnoreCase(action)){
            forward = actionMapping.findForward("errors");
        }else if("add".equalsIgnoreCase(action)){
            forward=Add(actionMapping,requestForm,httpServletRequest,httpServletResponse);
        }else if("view".equalsIgnoreCase(action)){
            forward=View(actionMapping,requestForm,httpServletRequest,httpServletResponse);
        }else{
            forward = actionMapping.findForward("errors");
        }
        return forward;
    }

    private ActionForward View(ActionMapping mapping, RequestForm requestForm,
                               HttpServletRequest request,
                               HttpServletResponse response) {
        coll=db.select();
        if (coll!=null||coll.isEmpty()) {
            errors.clear();
            errors.add(Action.ERROR_KEY, new ActionError("error.data.null"));
            saveErrors(request, errors);
        }
        request.setAttribute("Request",coll);
        return mapping.findForward("success");
    }

    private ActionForward Add(ActionMapping mapping, RequestForm form,
                              HttpServletRequest httpServletRequest,
                              HttpServletResponse httpServletResponse) {
        form.getRequest().setUserid(online.getUserId());
        form.getRequest().setTime();
        t=db.insert(form.getRequest());
        if (t <= 0) {
            errors.clear();
            errors.add("insertfail", new ActionError("error.insert.fail"));
            saveErrors(httpServletRequest, errors);
            return (new ActionForward(mapping.getInput()));
        }
        httpServletRequest.setAttribute("info","true");
        return mapping.findForward("success");
    }
}