topicsearchaction.java

来自「使用hibernate+struts2+spring实现的网上聊天系统」· Java 代码 · 共 47 行

package j2eebbs.admin.action;

import j2eebbs.Constants;
import j2eebbs.DB;
import j2eebbs.Topic;
import j2eebbs.admin.form.TopicManagerForm;

import java.util.Vector;

import javax.servlet.ServletContext;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import javax.sql.DataSource;

import org.apache.struts.action.Action;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;

public final class TopicSearchAction extends Action {
	public ActionForward execute(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response)
			throws Exception {

		TopicManagerForm topicManagerForm = (TopicManagerForm) form;
		String title = topicManagerForm.getTitle();

		HttpSession session = request.getSession();
		Vector topicVector = new Vector();

		ServletContext context = servlet.getServletContext();
		DataSource dataSource = (DataSource) context
				.getAttribute(Constants.DATASOURCE_KEY);

		DB db = new DB(dataSource);

		topicVector = Topic.search(db, title);

		session.setAttribute(Constants.TOPIC_LIST_KEY, topicVector);
		session.setAttribute(Constants.SEARCH_TOPIC_KEY, title);

		db.close();

		return (mapping.findForward("ToTopicManager"));
	}
}