net.jahhan.extension.telnetHandler.LogTelnetHandler Maven / Gradle / Ivy

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package net.jahhan.extension.telnetHandler;
///*
// * Copyright 1999-2011 Alibaba Group.
// *  
// * Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
// *  
// * Unless required by applicable law or agreed to in writing, software
// * distributed under the License is distributed on an "AS IS" BASIS,
// * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// * See the License for the specific language governing permissions and
// * limitations under the License.
// */
//package com.frameworkx.extension.telnetHandler;
//
//
//import java.io.File;
//import java.io.FileInputStream;
//import java.nio.ByteBuffer;
//import java.nio.channels.FileChannel;
//import java.text.SimpleDateFormat;
//import java.util.Date;
//
//import javax.inject.Singleton;
//
//import com.alibaba.dubbo.common.logger.Level;
//import com.alibaba.dubbo.common.logger.LoggerFactory;
//import com.alibaba.dubbo.common.utils.StringUtils;
//import com.alibaba.dubbo.remoting.Channel;
//import com.alibaba.dubbo.remoting.telnet.support.Help;
//import com.frameworkx.common.extension.annotation.Activate;
//import com.frameworkx.common.extension.annotation.Extension;
//import com.frameworkx.spi.TelnetHandler;
//
///**
// * LogTelnetHandler
// * @author chao.liuc
// * 
// */
//@Activate
//@Extension("log")
//@Singleton
//@Help(parameter = "level", summary = "Change log level or show log ", detail = "Change log level or show log")
//public class LogTelnetHandler implements TelnetHandler {
//    
//    public static final String SERVICE_KEY = "telnet.log";
//
//    public String telnet(Channel channel, String message) {
//        long size = 0 ;
//        File file = LoggerFactory.getFile();
//        StringBuffer buf = new StringBuffer();
//        if (message == null || message.trim().length() == 0) {
//            buf.append("EXAMPLE: log error / log 100");
//        }else {
//            String str[] = message.split(" ");
//            if (! StringUtils.isInteger(str[0])){
//                LoggerFactory.setLevel(Level.valueOf(message.toUpperCase()));
//            } else {
//                int SHOW_LOG_LENGTH = Integer.parseInt(str[0]);
//                
//                if (file != null && file.exists()) {
//                    try{
//                        FileInputStream fis = new FileInputStream(file);
//                        FileChannel filechannel = fis.getChannel();
//                        size = filechannel.size();
//                        ByteBuffer bb;
//                        if (size <= SHOW_LOG_LENGTH) {
//                            bb = ByteBuffer.allocate((int) size);
//                            filechannel.read(bb, 0);
//                        } else {
//                            int pos = (int) (size - SHOW_LOG_LENGTH);
//                            bb = ByteBuffer.allocate(SHOW_LOG_LENGTH);
//                            filechannel.read(bb, pos);
//                        }
//                        bb.flip();
//                        String content = new String(bb.array()).replace("<", "<")
//                        .replace(">", ">").replace("\n", "

");
//                        buf.append("\r\ncontent:"+content);
//                        
//                        buf.append("\r\nmodified:"+(new SimpleDateFormat("yyyy-MM-dd HH:mm:ss")
//                        .format(new Date(file.lastModified()))));
//                        buf.append("\r\nsize:"+size +"\r\n");
//                    }catch (Exception e) {
//                        buf.append(e.getMessage());
//                    }
//                }else {
//                    size = 0;
//                    buf.append("\r\nMESSAGE: log file not exists or log appender is console .");
//                }
//            }
//        }
//        buf.append("\r\nCURRENT LOG LEVEL:"+ LoggerFactory.getLevel())
//        .append("\r\nCURRENT LOG APPENDER:"+ (file == null ? "console" : file.getAbsolutePath()));
//        return buf.toString();
//    }
//
//}