www.pudn.com > SSPP.rar > CommentAction.java

/* 
 * Generated by MyEclipse Struts 
 * Template path: templates/java/JavaClass.vtl 
 */ 
package edu.neu.sspp.struts.action; 
 
import java.io.UnsupportedEncodingException; 
import java.util.Date; 
 
import javax.servlet.http.HttpServletRequest; 
import javax.servlet.http.HttpServletResponse; 
 
import org.apache.struts.action.Action; 
import org.apache.struts.action.ActionForm; 
import org.apache.struts.action.ActionForward; 
import org.apache.struts.action.ActionMapping; 
import org.apache.struts.action.ActionRedirect; 
import org.hibernate.Transaction; 
 
import edu.neu.sspp.SSPPLogger; 
import edu.neu.sspp.TextAreaConventer; 
import edu.neu.sspp.hibernate.HibernateSessionFactory; 
import edu.neu.sspp.hibernate.TComment; 
import edu.neu.sspp.hibernate.TCommentDAO; 
import edu.neu.sspp.hibernate.TProject; 
import edu.neu.sspp.hibernate.TProjectDAO; 
import edu.neu.sspp.hibernate.TTeacher; 
import edu.neu.sspp.hibernate.TTeacherDAO; 
import edu.neu.sspp.hibernate.TUser; 
import edu.neu.sspp.hibernate.TUserDAO; 
import edu.neu.sspp.struts.form.CommentForm; 
 
/**  
 * MyEclipse Struts 
 * Creation date: 06-10-2007 
 *  
 * XDoclet definition: 
 * @struts.action path="/comment" name="commentForm" input="/proj_jsp/proj_info.jsp" scope="request" validate="true" 
 */ 
public class CommentAction extends Action { 
	/* 
	 * Generated Methods 
	 */ 
 
	/**  
	 * Method execute 
	 *  
	 * struts中的重定向方法 
	 *  
	 * @param mapping 
	 * @param form 
	 * @param request 
	 * @param response 
	 * @return ActionRedirect 
	 */ 
	public ActionRedirect execute(ActionMapping mapping, ActionForm form, 
			HttpServletRequest request, HttpServletResponse response) { 
		CommentForm commentForm = (CommentForm) form;// TODO Auto-generated method stub 
		 
		try { 
			commentForm.setNick(new String(commentForm.getNick().getBytes("ISO-8859-1"), "UTF-8")); 
			commentForm.setContent(new String(commentForm.getContent().getBytes("ISO-8859-1"), "UTF-8")); 
		} catch (UnsupportedEncodingException e) { 
			// TODO Auto-generated catch block 
			e.printStackTrace(); 
		} 
		 
		TComment comment = new TComment(); 
		TCommentDAO commentDAO = new TCommentDAO(); 
		 
		String content = commentForm.getContent(); 
		if(content.length() > 500) 
			content = content.substring(0, 500); 
		 
		comment.setContent(content); 
		 
		if(!commentForm.getUnknow()) 
			comment.setIsUser(new Byte((byte)1)); 
		else 
			comment.setIsUser(new Byte((byte)0)); 
		 
 
		 
		if(commentForm.getNick() == null ||  
				commentForm.getNick().equals("")) { 
			comment.setNick("匿名"); 
			SSPPLogger.logInfo("匿名" + " 添加评论" + " IP:" + request.getRemoteAddr());	 
		} 
 
		else { 
			//身份验证 
			String login = (String)request.getSession().getAttribute("login"); 
			if(login == null) { 
				comment.setNick(commentForm.getNick()); 
				SSPPLogger.logInfo(commentForm.getNick() + "(游客)" + " 添加评论" + " IP:" + request.getRemoteAddr()); 
			} 
			else if(login.equals("user") && !commentForm.getUnknow()) { 
				TUserDAO userDAO = new TUserDAO(); 
				TUser user = userDAO.findById((String)request.getSession().getAttribute("id")); 
				if(user.getNick().equals(commentForm.getNick())) { 
					comment.setNick(commentForm.getNick()); 
					comment.setUserName(user.getUserName()); 
				} 
				 
				SSPPLogger.logInfo(user.getUserName() + " 添加评论" + " IP:" + request.getRemoteAddr()); 
			} 
			else if(login.equals("teacher") && !commentForm.getUnknow()) { 
				TTeacherDAO teacherDAO = new TTeacherDAO(); 
				TTeacher teacher = teacherDAO.findById((String)request.getSession().getAttribute("id")); 
				if(teacher.getRealName().equals(commentForm.getNick())) { 
					comment.setNick(commentForm.getNick() + "老师"); 
					comment.setTeacherEmail(teacher.getEmail()); 
				} 
				 
				SSPPLogger.logInfo(teacher.getName() + " 添加评论" + " IP:" + request.getRemoteAddr());		 
			} 
			else { 
				comment.setNick("匿名"); 
				SSPPLogger.logInfo("匿名" + " 添加评论" + " IP:" + request.getRemoteAddr()); 
			} 
		} 
		 
		comment.setDate(new Date()); 
		 
		TProjectDAO projectDAO = new TProjectDAO(); 
		TProject project = projectDAO.findById(commentForm.getProjID()); 
		project.setCount(project.getCount() + 1); 
		 
		comment.setTProject(project); 
		 
		Transaction transaction =  
			HibernateSessionFactory.getSession().beginTransaction(); 
		 
		commentDAO.save(comment); 
		 
		transaction.commit(); 
		 
		HibernateSessionFactory.closeSession(); 
		//用以下方法完成重定向 
		ActionRedirect redirect = new ActionRedirect(commentForm.getUrl() + "#comment"); 
		 
		return redirect; 
	} 
}