addbbsnextaction.java

使用J2EE Struts开发的房地产信息咨询系统

/**
 * 处理添加BBS回复的方法
 * AddBBSnextAction.java
 */

package building;

import javax.sql.*;
import javax.servlet.ServletContext;
import javax.servlet.http.*;

import org.apache.struts.action.*;

public final class AddBBSnextAction extends Action
{
	public ActionForward execute(
			ActionMapping mapping,
			ActionForm form,
			HttpServletRequest request,
			HttpServletResponse response)
	throws Exception
	{
		DynaActionForm BBSnextForm = (DynaActionForm)form;
		
		Integer bbsid = (Integer)BBSnextForm.get("bbsid");
		String contents = (String)BBSnextForm.get("contents");
		
		//
		contents = CharSet.GBK_ISO(contents);
		
		//
		String PageForward = null;
		ActionMessages errors = new ActionMessages();
				
		//
		HttpSession session = request.getSession(true);
		Users user = (Users)session.getAttribute(Constants.USER_INFO_KEY);
		
		//
		if ( user == null )
		{
			// 用户未登录
			errors.add(ActionMessages.GLOBAL_MESSAGE,
					new ActionMessage("errors.userNotLogin"));
			if ( !errors.isEmpty() )
			{
				saveErrors(request,errors);
			}// End of if
			
			return(mapping.findForward("toWrong"));
		}// End of if

		//用户已经登录
		BBSnext bn = new BBSnext();
		bn.setBbsId(bbsid.intValue());
		bn.setUserId(user.getId());
		bn.setContents(contents);
		bn.setSubtime(ChinaTime.getTime());
		
		//
		ServletContext context = servlet.getServletContext();
		DataSource dataSource = (DataSource)context.getAttribute(Constants.DATASOURCE_KEY);
		DB db = new DB(dataSource);
		
	
		if ( bn.addNewBBSnext(db) )
		{
			// 添加成功
			PageForward = "toAddBBSnextOK";
		}// End of if
		else
		{
			// 添加失败
			errors.add(ActionMessages.GLOBAL_MESSAGE,
					new ActionMessage("errors.addBBSnextFail"));
			if ( !errors.isEmpty() )
			{
				saveErrors(request,errors);
			}// End of if
		}//End of else

		
		db.close();
		
		return(mapping.findForward(PageForward));
	}// End of execute
	
}// End of class AddBBSnextAction