jfdlrfindbyprimarykeyaction.java

Struts+jdbc开发的合同管理系统,用的SQL Server 2000做为后台数据库!

package org.helpsoft.contract.struts.actions;

import org.apache.struts.*;
import org.apache.struts.action.*;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.text.*;
import java.math.*;
import org.helpsoft.contract.dao.*;
import org.helpsoft.contract.dto.*;
import org.helpsoft.contract.factory.*;
import org.helpsoft.contract.struts.forms.*;

public class JfdlrFindByPrimaryKeyAction extends Action
{
	/**
	 * method'execute'
	 * 
	 * @param mapping
	 * @param form
	 * @param request
	 * @param response
	 * @throws Exception
	 * @return ActionForward
	 */
	public ActionForward execute(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) throws Exception
	{
		try {
			// parse parameters
			java.lang.String _jfdlrbm = request.getParameter("jfdlrbm");
		
			// create the DAO class
			JfdlrDao dao = JfdlrDaoFactory.create();
		
			// execute the finder
			Jfdlr dto = dao.findByPrimaryKey(_jfdlrbm);
		
			// check that we have found a row
			if (dto == null) {
				throw new RuntimeException( "Finder did not return any data" );
			}
		
			String crudMethod = request.getParameter("crudMethod");
			if (crudMethod == null) {
				crudMethod = "view";
			}
		
			// populate a struts form
			JfdlrForm jfdlrForm = new JfdlrForm();
			jfdlrForm.setCrudMethod( request.getParameter("crudMethod") );
			jfdlrForm.setJfdlrbm(dto.getJfdlrbm());
			jfdlrForm.setJfdlrxm(dto.getJfdlrxm());
			// store the results
			request.getSession().setAttribute( "Jfdlr", jfdlrForm );
		
			return mapping.findForward( crudMethod );
		}
		catch (Exception e) {
			ActionErrors _errors = new ActionErrors();
			_errors.add( ActionErrors.GLOBAL_ERROR, new ActionError("internal.error", e.getClass().getName() + ": " + e.getMessage() ) );
			saveErrors( request, _errors );
			return mapping.findForward( "failure" );
		}
		
	}

}