useraction.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 org.apache.struts.action.ActionForm;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import com.cargo.db.Userdb;
import com.cargo.db.Areadb;
import java.util.Collection;
import java.util.ArrayList;
import com.cargo.filter.Input;
import com.cargo.filter.Line;

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

    private Collection coll = new ArrayList();
    private Userdb db = new Userdb();
    private Areadb areadb = new Areadb();
    private int t = 0;
    private ActionErrors errors = new ActionErrors();
    private Input in = new Input();
    private Line online = new Line();
    public ActionForward perform(ActionMapping mapping, ActionForm actionForm,
                                 HttpServletRequest httpServletRequest,
                                 HttpServletResponse httpServletResponse) {
        /**@todo: complete the business logic here, this is just a skeleton.*/
        ActionForward forward = new ActionForward();
        String action = mapping.getParameter();
        UserForm form = (UserForm) actionForm;
        if ("add".equalsIgnoreCase(action)) {
            forward = Add(mapping, form, httpServletRequest,
                          httpServletResponse);
            return forward;
        } else if ("reg".equalsIgnoreCase(action)) {
            forward = Reg(mapping, form, httpServletRequest,
                          httpServletResponse);
            return forward;
        } else if ("logon".equalsIgnoreCase(action)) {
            forward = Logon(mapping, form, httpServletRequest,
                            httpServletResponse);
            return forward;
        }
        forward = online.down("id", mapping, httpServletRequest, "errors");
        if (forward != null && forward.getName().equals("errors")) {
            return forward;
        }
        if ("".equalsIgnoreCase(action)) {
            forward = mapping.findForward("errors");
        } else if ("select".equalsIgnoreCase(action)) {
            forward = Select(mapping, form, httpServletRequest,
                             httpServletResponse);
        } else if ("save".equalsIgnoreCase(action)) {
            forward = Save(mapping, form, httpServletRequest,
                           httpServletResponse);
        } else if ("list".equalsIgnoreCase(action)) {
            forward = List(mapping, actionForm, httpServletRequest,
                           httpServletResponse);
        } else if ("del".equalsIgnoreCase(action)) {
            forward = Del(mapping, actionForm, httpServletRequest,
                           httpServletResponse);
        } else {
            forward = mapping.findForward("errors");
        }
        return forward;
    }

    private ActionForward Del(ActionMapping mapping, ActionForm form,
                              HttpServletRequest request,
                              HttpServletResponse response) {
        String usedel=request.getParameter("userdel").toString();
        t=db.delete(db.DELETE+"tb_user"+db.WHERE+"id='"+usedel+"'");
        if (t<=0) {
            errors.clear();
            errors.add("deletefail", new ActionError("error.delete.fail"));
            saveErrors(request, errors);
            return (new ActionForward(mapping.getInput()));
        }
        request.setAttribute("info", "true");
        return mapping.findForward("success");
    }
    private ActionForward Reg(ActionMapping mapping, UserForm form,
                              HttpServletRequest request,
                              HttpServletResponse response) {
        coll = areadb.select();
        if (coll == null || coll.isEmpty()) {
            errors.clear();
            errors.add("selectfail", new ActionError("error.manage.addarea"));
            saveErrors(request, errors);
            return (new ActionForward(mapping.getInput()));
        }
        request.setAttribute("Area", coll);
        return mapping.findForward("success");
    }
    private ActionForward List(ActionMapping mapping, ActionForm form,
                              HttpServletRequest request,
                              HttpServletResponse response) {
        coll=db.select();
        if(coll==null||coll.isEmpty()){
            errors.clear();
            errors.add("selectfail", new ActionError("error.user.null"));
            saveErrors(request, errors);
        }
        request.setAttribute("User", coll);
        return mapping.findForward("success");
    }
    private ActionForward Logon(ActionMapping mapping, UserForm form,
                                HttpServletRequest request,
                                HttpServletResponse response) {
        HttpSession session = request.getSession();
        errors.clear();
        if (in.isEmpty(form.getUser().getUserid())) {
            errors.add("id", new ActionError("error.id.null"));
        }
        if (in.isEmpty(form.getUser().getPassword())) {
            errors.add("password", new ActionError("error.password.null"));
        }
        if (!errors.empty()) {
            saveErrors(request, errors);
            return new ActionForward("/user/logon.jsp");
        }
        t = db.getRowCount("tb_user" + db.WHERE + "id='" + form.getUser().getUserid() +
                           "' AND password='" + form.getUser().getPassword() +
                           "'");
        if (t <= 0) {
            errors.clear();
            errors.add("logonfail", new ActionError("error.logon.fail"));
            saveErrors(request, errors);
            return (new ActionForward(mapping.getInput()));
        }
        session.setAttribute("id", form.getUser().getUserid());
        return mapping.findForward("success");
    }

    private ActionForward Select(ActionMapping mapping, UserForm form,
                                 HttpServletRequest request,
                                 HttpServletResponse response) {
        ActionForward forward = Reg(mapping, form, request, response);
        if (forward.getName() == null ||
            !forward.getName().equalsIgnoreCase("success")) {
            errors.clear();
            errors.add("selectfail", new ActionError("error.manage.addarea"));
        }
        coll = db.select(db.WHERE + "id='" + online.getUserId() + "'");
        if (coll == null || coll.isEmpty()) {
            errors.add("selectfail1", new ActionError("error.select.fail"));
        }
        if (!errors.empty()) {
            saveErrors(request, errors);
            return (new ActionForward(mapping.getInput()));
        }
        request.setAttribute("User", coll);
        return mapping.findForward("success");
    }

    private ActionForward Save(ActionMapping mapping, UserForm form,
                               HttpServletRequest request,
                               HttpServletResponse response) {
        t = db.getRowCount("tb_user" + db.WHERE + "id='" + form.getUser().getUserid() +
                           "'");
        if (t <= 0) {
            errors.clear();
            errors.add("insertfail", new ActionError("error.select.fail"));
        }
        t = db.update(form.getUser());
        if (t <= 0) {
            errors.add("insertfail", new ActionError("error.insert.fail"));
        }
        if (!errors.empty()) {
            saveErrors(request, errors);
            return (new ActionForward(mapping.getInput()));
        }
        request.setAttribute("info","true");
        return mapping.findForward("success");
    }

    private ActionForward Add(ActionMapping mapping, UserForm form,
                              HttpServletRequest request,
                              HttpServletResponse httpServletResponse) {

        t = db.getRowCount("tb_user" + db.WHERE + "id='" + form.getUser().getUserid() +
                           "'");
        if (t > 0) {
            errors.clear();
            errors.add("insertfail", new ActionError("error.insert.repeat"));
            saveErrors(request, errors);
            return (new ActionForward(mapping.getInput()));
        }
        t = db.insert(form.getUser());
        if (t <= 0) {
            errors.clear();
            errors.add("insertfail", new ActionError("error.insert.fail"));
            saveErrors(request, errors);
            return (new ActionForward(mapping.getInput()));
        }
        return mapping.findForward("success");
    }
}