addpowerservlet.java

JSP物业管理系统 一份比较完整的物业管理系统源码。 对于初学者可以有一定的借鉴。

// Decompiled by Jad v1.5.7g. Copyright 2000 Pavel Kouznetsov.
// Jad home page: http://www.geocities.com/SiliconValley/Bridge/8617/jad.html
// Decompiler options: packimports(3) fieldsfirst ansi 
// Source File Name:   AddPowerServlet.java

package administration;

import common.*;
import java.io.PrintStream;
import java.util.Vector;
import javax.servlet.*;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

// Referenced classes of package administration:
//            AddPowerDBBean

public class AddPowerServlet extends ParentServlet
{

    public AddPowerServlet()
    {
    }

    public void performTask(HttpServletRequest httpservletrequest, HttpServletResponse httpservletresponse)
    {
        try
        {
            AddPowerDBBean addpowerdbbean = new AddPowerDBBean();
            DateTimeBean datetimebean = new DateTimeBean();
            ParseInputStringBean parseinputstringbean = new ParseInputStringBean();
            String s = httpservletrequest.getParameter("inputString");
            Vector vector = parseinputstringbean.parseCommonFormatIS(s);
            addpowerdbbean.setPowername((String)vector.elementAt(0));
            addpowerdbbean.setPowercode((String)vector.elementAt(1));
            addpowerdbbean.setDescription((String)vector.elementAt(2));
            addpowerdbbean.setDelflag("0");
            Vector vector1 = (Vector)getServletContext().getAttribute("Para");
            addpowerdbbean.setUserID((String)vector1.elementAt(0));
            addpowerdbbean.setPassword((String)vector1.elementAt(1));
            addpowerdbbean.setURL((String)vector1.elementAt(2));
            addpowerdbbean.setDriver((String)vector1.elementAt(3));
            addpowerdbbean.setDataSourceName((String)vector1.elementAt(4));
            try
            {
                addpowerdbbean.initialize();
            }
            catch(Exception exception1)
            {
                throw exception1;
            }
            addpowerdbbean.setTableName("power");
            addpowerdbbean.setSelectSQL01("SELECT POWERNAME FROM " + addpowerdbbean.getTableName() + " WHERE (POWERNAME = ? )OR(POWERCODE = ?)");
            try
            {
                addpowerdbbean.select01();
            }
            catch(Exception exception2)
            {
                System.out.println("administration.AddPowerServlet [" + datetimebean.getDate() + " " + datetimebean.getTime() + "] " + addpowerdbbean.getStatusMessage());
                addpowerdbbean.releaseConnection();
                throw new Exception(exception2.getMessage());
            }
            if(addpowerdbbean.getStatusCode() == 2028)
            {
                httpservletrequest.setAttribute("flag", String.valueOf(addpowerdbbean.getStatusCode()));
                httpservletrequest.setAttribute("statusMessage", addpowerdbbean.getStatusMessage());
            } else
            {
                addpowerdbbean.setTableName("power");
                addpowerdbbean.setInsertSQL01(" INSERT INTO " + addpowerdbbean.getTableName() + " (NUMBER, POWERNAME, DESCRIPTION, POWERCODE, DELFLAG ) VALUES (?,?,?,?,?)");
                try
                {
                    addpowerdbbean.selectMaxnum();
                    addpowerdbbean.insert01();
                    addpowerdbbean.commitToDB();
                }
                catch(Exception exception4)
                {
                    addpowerdbbean.rollbackFromDB();
                    System.out.println("administration.AddPowerServlet [" + datetimebean.getDate() + " " + datetimebean.getTime() + "] " + addpowerdbbean.getStatusMessage());
                    throw new Exception(exception4.getMessage());
                }
                finally
                {
                    addpowerdbbean.releaseConnection();
                }
                httpservletrequest.setAttribute("flag", String.valueOf(addpowerdbbean.getStatusCode()));
                httpservletrequest.setAttribute("statusMessage", addpowerdbbean.getStatusMessage());
            }
            RequestDispatcher requestdispatcher1 = getServletContext().getRequestDispatcher("/administration/AddPowerResult.jsp");
            requestdispatcher1.forward(httpservletrequest, httpservletresponse);
        }
        catch(Throwable _ex)
        {
            try
            {
                RequestDispatcher requestdispatcher = getServletContext().getRequestDispatcher("/common/Error.jsp");
                requestdispatcher.forward(httpservletrequest, httpservletresponse);
            }
            catch(Exception exception)
            {
                System.out.println(exception.getMessage());
            }
        }
    }
}