deletemessageaction.java

来自「jGossip是一个简单而功能强大的Java论坛软件（消息板）」· Java 代码 · 共 104 行

/*
 * $$Id: DeleteMessageAction.java,v 1.6 2004/05/31 07:51:20 bel70 Exp $$
 * 
 * ***** BEGIN LICENSE BLOCK ***** The contents of this file are subject to the
 * Mozilla Public License Version 1.1 (the "License"); you may not use this file
 * except in compliance with the License. You may obtain a copy of the License
 * at http://www.mozilla.org/MPL/
 * 
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License for
 * the specific language governing rights and limitations under the License.
 * 
 * The Original Code is JGossip forum code.
 * 
 * The Initial Developer of the Original Code is the JResearch, Org. Portions
 * created by the Initial Developer are Copyright (C) 2004 the Initial
 * Developer. All Rights Reserved.
 * 
 * Contributor(s): Dmitry Belov <[e-mail]>
 * 
 * ***** END LICENSE BLOCK *****
 */
/*
 * Created on Sep 26, 2003
 *  
 */
package org.jresearch.gossip.actions.message;
import java.sql.SQLException;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
import org.jresearch.gossip.actions.BaseAction;
import org.jresearch.gossip.beans.forum.Message;
import org.jresearch.gossip.dao.ForumDAO;
import org.jresearch.gossip.exception.SystemException;
import org.jresearch.gossip.forms.ProcessMessageForm;
/**
 * DOCUMENT ME!
 * 
 * @author Bel
 */
public class DeleteMessageAction extends BaseAction {
	/**
	 * DOCUMENT ME!
	 * 
	 * @param mapping
	 *            DOCUMENT ME!
	 * @param form
	 *            DOCUMENT ME!
	 * @param request
	 *            DOCUMENT ME!
	 * @param response
	 *            DOCUMENT ME!
	 * 
	 * @return DOCUMENT ME!
	 * 
	 * @throws Exception
	 *             DOCUMENT ME!
	 */
	public ActionForward execute(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response)
			throws Exception {
		setAccessLevel(6);
		return super.execute(mapping, form, request, response);
	}
	/**
	 * DOCUMENT ME!
	 * 
	 * @param mapping
	 *            DOCUMENT ME!
	 * @param form
	 *            DOCUMENT ME!
	 * @param request
	 *            DOCUMENT ME!
	 * @param response
	 *            DOCUMENT ME!
	 * 
	 * @return DOCUMENT ME!
	 */
	public ActionForward process(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response)
			throws SystemException {
		ForumDAO dao = ForumDAO.getInstance();
		ProcessMessageForm pmForm = (ProcessMessageForm) form;
		try {
			dao.setDataSource(getDataSource(request));
			Message mess = dao.getMessage(pmForm.getMid());
			log(request, "logs.LOG14", "mid=" + pmForm.getMid());
			if (mess != null) {
				dao.deleteMessage(pmForm);
			}
		} catch (SQLException sqle) {
			getServlet().log("Connection.process", sqle);
			throw new SystemException(sqle);
		}
		return (new ActionForward("/ShowThread.do?fid=" + pmForm.getFid()
				+ "&tid=" + pmForm.getTid() + "&block=" + pmForm.getBlock(),
				true));
	}
}