用socket實現的檔案伺服器(2)

/**
 * 商務邏輯層調用的介面
 * @author HongSoft
 */
public class ForumFileDao
{
    /**
     * 得到主題貼內容
     * 主題貼唯寫一行
     * @param forumId
     * @param topicId
     * @return
     */
    public static String getTopicContent(int forumId, int topicId)
    {
        String content = "";
        ForumFileClient ffc = new ForumFileClient();
        try
        {
            ffc.getOut().println("0" + "/0x1e" + forumId + "/0x1e" + topicId);
            content = ffc.getIn().readLine();           
        }
        catch (Exception e)
        {
            e.printStackTrace();
        }
        ffc.closeSocket();
        return content;
    }
    /**
     * 得到回帖列表
     * @param forumId
     * @param topicId
     * @return
     */
    public static List getReplyContent(int forumId, int topicId)
    {
        List replyList=new ArrayList();
        String str="";
        ForumFileClient ffc = new ForumFileClient();
        try
        {
            ffc.getOut().println("1" + "/0x1e" + forumId + "/0x1e" + topicId);
            while((str=ffc.getIn().readLine())!=null)
            {               
                String[] strs=str.split("/0x1e");               
                ReplyRef rr=new ReplyRef();
                rr.setUserId(strs[0]);
                rr.setAddTime(strs[1]);
                rr.setContent(strs[2]);
                replyList.add(rr);
            }
        }
        catch (Exception e)
        {
            e.printStackTrace();
        }
        ffc.closeSocket();
        return replyList;
    }
    /**
     * 發帖
     * @param forumId
     * @param topicId
     * @return
     */
    public static void addTopic(int forumId, int topicId,String content)
    {
        ForumFileClient ffc = new ForumFileClient();
        try
        {
            ffc.getOut().println("2" + "/0x1e" + forumId + "/0x1e" + topicId+"/0x1e"+content);          
        }
        catch (Exception e)
        {
            e.printStackTrace();
        }
        ffc.closeSocket();     
    }
    /**
     * 續貼（主題貼唯寫一行）
     * @param forumId
     * @param topicId
     * @return
     */
    public static void resumeTopic(int forumId, int topicId,String content)
    {
        ForumFileClient ffc = new ForumFileClient();
        try
        {                     
            ffc.getOut().println("3" + "/0x1e" + forumId + "/0x1e" + topicId+"/0x1e"+content);          
        }
        catch (Exception e)
        {
            e.printStackTrace();
        }
        ffc.closeSocket();     
    }
    /**
     * 回貼
     * @param forumId
     * @param topicId
     * @return
     */
    public static void addReply(int forumId, int topicId,String content,String qq,String replyTime)
    {
        ForumFileClient ffc = new ForumFileClient();
        try
        {                     
            ffc.getOut().println("4" + "/0x1e" + forumId + "/0x1e" + topicId+"/0x1e"+content+"/0x1e"+qq+"/0x1e"+replyTime);          
        }
        catch (Exception e)
        {
            e.printStackTrace();
        }
        ffc.closeSocket();     
    }
    /**
     * 刪主題貼(同時它的回貼也應該刪除）
     * @param forumId
     * @param topicId
     * @return
     */
    public static void deleteTopic(int forumId, int topicId)
    {
        ForumFileClient ffc = new ForumFileClient();
        try
        {                     
            ffc.getOut().println("5" + "/0x1e" + forumId + "/0x1e" + topicId);          
        }
        catch (Exception e)
        {
            e.printStackTrace();
        }
        ffc.closeSocket();     
    }
    /**
     * 刪某個回貼(但回貼數並不做改變）
     * @param forumId
     * @param topicId
     * @return
     */
    public static void deleteReply(int forumId, int topicId,int replyId)
    {
        ForumFileClient ffc = new ForumFileClient();
        try
        {                     
            ffc.getOut().println("6" + "/0x1e" + forumId + "/0x1e" + topicId+"/0x1e"+replyId);          
        }
        catch (Exception e)
        {
            e.printStackTrace();
        }
        ffc.closeSocket();     
    }
   }