How to use telnet screen display saved to the database ?

From a local telnet remote login, how about showing something on the telnet into the database. Are character-based. Database is MS SQL.
how to put things into the database cache , find the code .
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application ? Have written records on the console to the text, read text directly into a field won. But I can not think of what role
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synchronized (this) {
try {
out.print (cmd);
out.flush ();
System.out.println (" sent :" + cmd);

while ((readed = in.readLine ())! = null) {
System.out.println (" received :" + readed);
readedsb = readedsb.append (readed + "/ r / n");
}

} catch (SocketTimeoutException e) {
System.out.println (" Receive: Timeout ! " ) ; / / Ignore this exception
} catch (IOException e) {
throw new TelnetException (e);
}
}
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I've been able to achieve telnet , but just do not know how to display the information stored in the database . Solution.
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now I can output the screen can be , but you want to save to the database, a little bit of trouble.

public String readUntil(String pattern) {
  	        try {  
  	            char lastChar = pattern.charAt(pattern.length() - 1); 
  	            StringBuffer sb = new StringBuffer(); 
  	            char ch = (char)in.read(); 
  	            while (true) {  
  	                sb.append(ch);
  	                if (ch == lastChar) {  
  	                    if (sb.toString().endsWith(pattern)) { 
  	                    	return sb.toString(); 
  	                    }
  	                }
  	                if(ch==(char)13)
  	                {
  	    	        	SimpleDateFormat df = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");//设置日期格式
  	    	            Date now = new Date(); 
  	    	            String sysdate = df.format( now );
  	    	            String st = sb.toString();
  	    	            if(st.length()>0)
  	    	            {
  	    	            	String st2=st;
  	    	            }
  	                	System.out.println("+++++++"+st+"======"+sysdate);
  	                }
  	                ch = (char)in.read(); 
  	            }
  	        } catch (Exception e) {  
  	            e.printStackTrace();  
  	        }  
  	        return null;
  	    }