tablebean.java

《JSP时尚编程百例》一例源代码81-100

package cal;
import java.beans.*;
import javax.servlet.http.*;
import javax.servlet.*;
import java.util.Hashtable;

public class TableBean
{
    Hashtable table;
    JspCalendar JspCal;
    Entries entries;
    String date;
    String name = null;
    String email = null;
    boolean processError = false;
    public TableBean ()
    {
        this.table = new Hashtable (10);
        this.JspCal = new JspCalendar ();
        this.date = JspCal.getCurrentDate ();
    }
    
    public void setName (String nm)
    {
        this.name = nm;
    }

    public String getName ()
    {
        return this.name;
    }

    public void setEmail (String mail)
    {
        this.email = mail;
    }

    public String getEmail ()
    {
        return this.email;
    }

    public String getDate ()
    {
        return this.date;
    }

    public Entries getEntries ()
    {
        return this.entries;
    }

    public void processRequest (HttpServletRequest request)
    {
        // Get the name and e-mail.
        this.processError = false;
        if (name == null) 
            setName(request.getParameter ("name"));
        if (email == null)
            setEmail(request.getParameter ("email"));
        if (name == null || email == null)
        {
            this.processError = true;
            return;
        }
        // Get the date.
        String dateR = request.getParameter ("date");
        if (dateR == null) 
            date = JspCal.getCurrentDate ();
        else if (dateR.equalsIgnoreCase("next"))
            date = JspCal.getNextDate ();
        else if (dateR.equalsIgnoreCase("prev"))
            date = JspCal.getPrevDate ();
        entries = (Entries) table.get (date);
        if (entries == null)
        {
            entries = new Entries ();
            table.put (date, entries);
        }
        // If time is provided add the event.
        String time = request.getParameter("time");
        if (time != null) 
            entries.processRequest (request, time);
    }

    public boolean getProcessError () 
    {
        return this.processError;  
    }
}