editthreadlinkaction.java

如题ServletJSP.rar 为网络收集的JSP网站源文件

/*
 * XP Forum
 *	
 * Copyright (c) 2002-2003 RedSoft Group.  All rights reserved.
 *
 */
package org.redsoft.forum.web;

import org.apache.struts.action.Action;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionError;
import org.apache.struts.action.ActionErrors;
import org.apache.struts.action.ActionMapping;
import org.apache.struts.action.ActionForward;
import org.apache.struts.util.RequestUtils;
import org.redsoft.forum.exception.ThreadNotFoundException;
import org.redsoft.forum.ForumConstants;
import org.redsoft.forum.security.User;
import org.redsoft.forum.util.ForumUtils;
import org.redsoft.forum.dao.ThreadDAO;
import org.redsoft.forum.dao.DAOFactory;
import org.redsoft.forum.dao.PersistentThread;
import org.redsoft.forum.exception.AccountNotFoundException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.ServletException;
import javax.security.auth.Subject;
import java.io.IOException;
import java.sql.SQLException;

/**
 * an action that wraps the link to editThread.jsp
 *
 * @@author <a href="mailto:[e-mail]">cinc</a>
 *
 * @@version $Id: EditThreadLinkAction.java,v 1.1.1.1 2003/07/08 08:25:17 cinc Exp $
 */
public class EditThreadLinkAction extends Action {

    public ActionForward perform(ActionMapping mapping,
				 ActionForm form,
				 HttpServletRequest request,
				 HttpServletResponse response)
	throws IOException, ServletException {

		// Get the user from session
		final Subject subject = (Subject)request.getSession().getAttribute(ForumConstants.USER_KEY);
        final String user = ( (User)subject.getPrincipals( User.class ).iterator().next() ).getName();

		ActionErrors errors = new ActionErrors();

		final String threadID = request.getParameter(ForumConstants.THREAD_ID_PARAM);
		if ((threadID == null) || (threadID.equals(""))) {
			errors.add(ActionErrors.GLOBAL_ERROR,
							new ActionError("error.threadID.invalid"));
		} else {
			try {
				final ThreadDAO dao = DAOFactory.getInstance().getThreadDAO();
				final PersistentThread thread = dao.findByUID( Long.parseLong( threadID ) );
				// Return a immutable thread object back to jsp instead of a mutable PersistentThread object
				request.setAttribute( ForumConstants.MY_THREAD_PARAM,
									  new Thread( thread.getTitle(),
        	       								  thread.getContent(),
            	   								  thread.getNotify()));
			}catch( final SQLException sqlException ){
				sqlException.printStackTrace();
				return (mapping.findForward("error"));
			}catch( final ThreadNotFoundException threadNotFoundException ){
				threadNotFoundException.printStackTrace();
				return (mapping.findForward("error"));
			}
		}

		// Report any errors we have discovered back to the original form
		if (!errors.empty()) {
				saveErrors(request, errors);
		}
/*
		// If user is null then user has not loged in,forward to log on screen
		if ( user == null || user.length() == 0 ){
			final String url = "/editThreadLink.go?" + request.getQueryString();
			request.setAttribute( ForumConstants.DEST_URL, url );
			return (mapping.findForward("logon"));
		}else{
			// Forward control to the specified success URI
			return (mapping.findForward("success"));
		}
*/
        // Forward control to the specified success URI
		return (mapping.findForward("success"));
    }

}//EOC