wareaction.java

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package com.cargo.crotrol;

import org.apache.struts.action.*;
import javax.servlet.http.*;
import com.cargo.filter.Line;
import org.apache.struts.action.ActionMapping;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import com.cargo.db.Waredb;
import java.util.Collection;
import java.util.ArrayList;
import com.cargo.db.Car;
import java.util.Iterator;
import com.cargo.model.Ware;

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

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

    public ActionForward perform(ActionMapping actionMapping,
                                 ActionForm actionForm,
                                 HttpServletRequest httpServletRequest,
                                 HttpServletResponse httpServletResponse) {
        /**@todo: complete the business logic here, this is just a skeleton.*/
        WareForm wareForm = (WareForm) actionForm;
        String action = actionMapping.getParameter();
        if ("view".equalsIgnoreCase(action)) {
            forward = View(actionMapping, wareForm, httpServletRequest,
                           httpServletResponse);
            return forward;
        }
        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, wareForm, httpServletRequest,
                          httpServletResponse);
        } else if ("save".equalsIgnoreCase(action)) {
            forward = Change(actionMapping, wareForm, httpServletRequest,
                             httpServletResponse);
        } else if ("del".equalsIgnoreCase(action)) {
            forward = Del(actionMapping, wareForm, httpServletRequest,
                          httpServletResponse);
        } else if ("caradd".equalsIgnoreCase(action)) {
            forward = Caradd(actionMapping, wareForm, httpServletRequest,
                             httpServletResponse);
        } else if ("carchange".equalsIgnoreCase(action)) {
            forward = Carchange(actionMapping, wareForm, httpServletRequest,
                             httpServletResponse);
        } else if ("cardel".equalsIgnoreCase(action)) {
            forward = Cardel(actionMapping, wareForm, httpServletRequest,
                             httpServletResponse);
        } else {
            forward = actionMapping.findForward("errors");
        }
        return forward;
    }

    private ActionForward Change(ActionMapping actionMapping, WareForm wareForm,
                                 HttpServletRequest request,
                                 HttpServletResponse response) {
        t = db.update(wareForm.getWare());
        if (t <= 0) {
            errors.clear();
            errors.add("insertfail", new ActionError("error.update.fail"));
            saveErrors(request, errors);
            return (new ActionForward(actionMapping.getInput()));
        }
        request.setAttribute("info", "true");
        return actionMapping.findForward("success");
    }

    private ActionForward Cardel(ActionMapping mapping, WareForm wareForm,
                                 HttpServletRequest request,
                                 HttpServletResponse response) {
        HttpSession session = request.getSession();
        String wareid=(String)request.getParameter("wareid");
        wareForm.getWare().setId(wareid);
        coll = (Collection) session.getAttribute("car");
        Car car = new Car(coll);
        coll = car.DeltoCar(wareForm.getWare());
        session.setAttribute("car", coll);
        return mapping.findForward("success");
    }
    private ActionForward Carchange(ActionMapping mapping, WareForm wareForm,
                                 HttpServletRequest request,
                                 HttpServletResponse response) {
        HttpSession session = request.getSession();
        coll = (Collection) session.getAttribute("car");
        Car car = new Car(coll);
        coll = car.ChangetoCar(wareForm.getWare());
        session.setAttribute("car", coll);
        return mapping.findForward("success");
    }

    private ActionForward View(ActionMapping actionMapping, WareForm wareForm,
                               HttpServletRequest request,
                               HttpServletResponse response) {
        String id = "";
        try {
            id = request.getParameter("id").toString();
        } catch (Exception e) {
            id = null;
        }
        if (id != null && id.trim().length() > 0) {
            coll = db.select(db.WHERE + "id='" + id + "'");
        } else {
            coll = db.select();
        }
        if (coll == null || coll.isEmpty()) {
            errors.clear();
            errors.add("selectfail", new ActionError("error.manage.addware"));
            saveErrors(request, errors);
        }
        request.setAttribute("Ware", coll);
        return actionMapping.findForward("success");
    }

    private ActionForward Del(ActionMapping actionMapping, WareForm form,
                              HttpServletRequest request,
                              HttpServletResponse response) {
        String id = request.getParameter("id").toString();
        t = db.delete(db.DELETE + "tb_ware" + db.WHERE + "id='" + id + "'");
        if (t <= 0) {
            errors.clear();
            errors.add("deletefail", new ActionError("error.delete.fail"));
            saveErrors(request, errors);
        }
        request.setAttribute("info", "true");
        return actionMapping.findForward("success");
    }

    private ActionForward Caradd(ActionMapping mapping, WareForm wareForm,
                                 HttpServletRequest request,
                                 HttpServletResponse response) {
        HttpSession session = request.getSession();
        coll = (Collection) session.getAttribute("car");
        Car car = new Car(coll);
        coll = car.AddtoCar(wareForm.getWare());
        session.setAttribute("car", coll);
        return mapping.findForward("success");
    }

    private ActionForward Add(ActionMapping actionMapping, WareForm wareForm,
                              HttpServletRequest httpServletRequest,
                              HttpServletResponse httpServletResponse) {
        t = db.getRowCount("tb_ware" + db.WHERE + "id='" +
                           wareForm.getWare().getId() + "'");
        if (t > 0) {
            errors.clear();
            errors.add("insertfail", new ActionError("error.insert.repeat"));
            saveErrors(httpServletRequest, errors);
            return (new ActionForward(actionMapping.getInput()));
        }
        t = db.insert(wareForm.getWare());
        if (t <= 0) {
            errors.clear();
            errors.add("insertfail", new ActionError("error.insert.fail"));
            saveErrors(httpServletRequest, errors);
            return (new ActionForward(actionMapping.getInput()));
        }
        httpServletRequest.setAttribute("info", "true");
        return actionMapping.findForward("success");
    }
}