Java常用工具类整理

字符数组转String

package com.sunsheen.hcc.fabric.utils;
/**
 * 字符数组工具
 * @author WangSong
 *
 */
public class ByteArryUtil {

    /**
      * 字节数组转成16进制表示格式的字符串
      * 
      * @param byteArray
      *            需要转换的字节数组
      * @return 16进制表示格式的字符串
      **/
     public static String toHexString(byte[] byteArray) {
         if (byteArray == null || byteArray.length < 1)
             throw new IllegalArgumentException("this byteArray must not be null or empty");
     
         final StringBuilder hexString = new StringBuilder();
         for (int i = 0; i < byteArray.length; i++) {
             if ((byteArray[i] & 0xff) < 0x10)//0~F前面不零
                 hexString.append("0");
             hexString.append(Integer.toHexString(0xFF & byteArray[i]));
         }
         return hexString.toString().toLowerCase();
     }
    
}

json、map、list、String格式数据互转

package com.sunsheen.hcc.fabric.utils;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;

import org.apache.commons.collections.map.ListOrderedMap;

import net.sf.json.JSONArray;
import net.sf.json.JSONObject;
import net.sf.json.JsonConfig;
import net.sf.json.util.CycleDetectionStrategy;

/**
 * json工具
 * @author WangSong
 *
 */
public class JsonParseUtil {

    /**
     * 將jsonArry字符串转换成map（里面可能是多个对象的情况）
     * @param json
     * @return
     */
    public static List<Map<String, Object>> parseJSON2List(String json) {
        JSONArray jsonArr = JSONArray.fromObject(json);
        List<Map<String, Object>> list = new ArrayList<Map<String, Object>>();
        Iterator<JSONObject> it = jsonArr.iterator();
        while (it.hasNext()) {
            JSONObject json2 = it.next();
            list.add(parseJSON2Map(json2.toString()));
        }
        return list;
    }

    private static Map<String, Object> parseJSON2Map(String jsonStr) {
        ListOrderedMap map = new ListOrderedMap();
        // 最外层解析
        JSONObject json = JSONObject.fromObject(jsonStr);
        for (Object k : json.keySet()) {
            Object v = json.get(k);
            // 如果内层还是数组的话，继续解析
            if (v instanceof JSONArray) {
                List<Map<String, Object>> list = new ArrayList<Map<String, Object>>();
                Iterator<JSONObject> it = ((JSONArray) v).iterator();
                while (it.hasNext()) {
                    JSONObject json2 = it.next();
                    list.add(parseJSON2Map(json2.toString()));
                }
                map.put(k.toString(), list);
            } else {
                map.put(k.toString(), v);
            }
        }
        Iterator iterator = map.keySet().iterator();
        List<String> lsList = new ArrayList<String>();
        int d=0;
        while (iterator.hasNext()) {
            String key = (String) iterator.next();
            Object object = map.get(key);    
            // 进行遍历删除，当值为空的时候删除这条数据
            if (object.equals("")) {
                iterator.remove();
                map.remove(key);
            }
        }
        return map;
    }
    
    /**
     * 将对象转换成json
     * @param param
     * @return
     */
    public static String object2Json(Object param){
//        JSON.toJSONString();
        
        JSONObject jsonObject = JSONObject.fromObject(param);
        return jsonObject.toString();
    }
    
    /**
     * 将json字符串转换成map
     * @param json
     * @return
     */
    public static Map<String, Object> json2Map(String json) {
        com.alibaba.fastjson.JSONObject jsonObject = com.alibaba.fastjson.JSONObject.parseObject(json);
        Map<String, Object> valueMap = new HashMap<String, Object>();
        valueMap.putAll(jsonObject);
        return valueMap;
    }

    /**
     * list对象转换成json
     * @param param
     * @return
     */
    public static String list2String(List param){
        JsonConfig jsonConfig = new JsonConfig();
        jsonConfig.setCycleDetectionStrategy(CycleDetectionStrategy.LENIENT);
        JSONArray json = JSONArray.fromObject(param, jsonConfig);
        return json.toString();
    }
    
}

实体对象转换成map

                Contract contract = new Contract ();
        try{
            Map<String, Object> params = new HashMap<String, Object>();
            //将对象信息封装到map
            Class clazz = contract.getClass();
            Field[] fields = clazz.getDeclaredFields();
            for (Field f : fields) {
                String name = f.getName();//当前字段
                if(name.equals("serialVersionUID"))
                    continue;
                PropertyDescriptor descriptor = new PropertyDescriptor(name, clazz);//得到当前字段信息
                Method readMethod = descriptor.getReadMethod();
                Object value = readMethod.invoke(contract);//得到当前字段值
                if(null != value)
                    params.put(name, value);
            

前后端数据格式转换

package com.sunsheen.hcc.fabric.utils;

import java.util.Date;
import java.util.Enumeration;

import javax.servlet.http.HttpServletRequest;

import com.sunsheen.edu.case1.entity.ResponseMsg;
import com.sunsheen.jfids.commons.beanutils.BeanUtils;
import com.sunsheen.jfids.commons.beanutils.ConvertUtils;
import com.sunsheen.jfids.commons.beanutils.converters.DateConverter;
import com.sunsheen.jfids.gson.Gson;

/**
 * 前后端数据转换工具类
 * @author WangSong
 *
 */
public class WebUtils {
    
    /**
     * 把request对象中的请求参数封装到bean中
     * @param request    http请求
     * @param clazz        需要存入信息的对象class
     * @return
     */
    public static <T> T request2Bean(HttpServletRequest request,Class<T> clazz){
        try{
            T bean = clazz.newInstance();
            Enumeration e = request.getParameterNames();
            while(e.hasMoreElements()){
                    String name = (String) e.nextElement(); 
                    String value = request.getParameter(name);
                    if(null != value && !"".equals(value)){
                        //日期注册
                        if(value.contains("-")){
                            DateConverter converter = new DateConverter();
                            converter.setPattern("yyyy-MM-dd");
                            ConvertUtils.register(converter,Date.class);
                        }
                        //对象赋值
                        BeanUtils.setProperty(bean, name, value);
                    }
            }
            return bean;
        }catch (Exception e) {
            throw new RuntimeException(e);
        }
    }
    
    /**
     * 响应到页面的数据
     * @param code
     * @param data
     * @return
     */
    public static String responseMsg(Integer code, Object data) {
        ResponseMsg msg =  new ResponseMsg(data,code);
        return new Gson().toJson(msg);
    }
    
    /**
     * 响应到页面的数据
     * @param data
     * @return
     */
    public static String responseMsg(Object data) {
        ResponseMsg msg =  new ResponseMsg(data);
        return new Gson().toJson(msg);
    }
    
    
}

得到指定文件夹大小

package com.sunsheen.jfids.studio.monitor.utils.local;

import java.io.File;
import java.math.BigDecimal;
import java.math.RoundingMode;
import java.util.concurrent.ArrayBlockingQueue;
import java.util.concurrent.BlockingQueue;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.atomic.AtomicLong;

/**
 * 得到指定文件夹大小
 * @author WangSong
 *
 */
public class FileUtil {
    
    private ExecutorService service;
    final private AtomicLong pendingFileVisits = new AtomicLong();
    
    /** 通过CountdownLatch 得到文件夹大小的初始常量 **/
    final private AtomicLong totalSize = new AtomicLong();
    final private CountDownLatch latch = new CountDownLatch(1);
    
    /** 通过BlockingQueue得到文件夹大小的初始常量 **/
    final private BlockingQueue<Long> fileSizes = new ArrayBlockingQueue<Long>(500);
    

    /////////////////////////////////////CountdownLatch/////////////////////////////////////////
    //更新文件总大小（多线程）
    private void updateTotalSizeOfFilesInDir(final File file) {
        long fileSize = 0;//初始化文件大小
        //文件，直接返回大小
        if (file.isFile())
            fileSize = file.length();
        //文件夹，遍历所有文件总大小
        else {
            final File[] children = file.listFiles();
            if(null == children){
                totalSize.set(0);
                return;
            }
            for (final File child : children) {
                //文件：直接加当前文件的大小
                if (child.isFile())
                    fileSize += child.length();
                //文件夹：遍历里面的文件的大小
                else {
                    pendingFileVisits.incrementAndGet();//增加一个当前值（用来观察这里的线程是否启动）
                    service.execute(new Runnable() {
                        public void run() {
                            updateTotalSizeOfFilesInDir(child);
                        }
                    });
                }
            }
        }
        totalSize.addAndGet(fileSize);
        //如果没有遍历的子文件夹，则pendingFileVisits-1 = 0，当前线程等待
        if (pendingFileVisits.decrementAndGet() == 0)
            latch.countDown();//发令枪 - 1
    }

    /**
     * 得到指定文件的大小
     * @param fileName    文件名（全路径）
     * @return    文件夹大小（M）
     * @throws InterruptedException
     */
    public double getTotalSizeOfFile(final String filePath){
        service = Executors.newCachedThreadPool();//初始化线程池
        pendingFileVisits.incrementAndGet();//增加当前值1
        double result = 0;//初始化结果
        try {
            updateTotalSizeOfFilesInDir(new File(filePath));
            latch.await(100, TimeUnit.SECONDS);//当前线程等待，直到锁存器计数到0
//            latch.await();
            //将k转换成m
            long resultK = totalSize.longValue();
            BigDecimal bdK = new BigDecimal(resultK);
            BigDecimal bdM = bdK.divide(new BigDecimal(1024 * 1024)).setScale(5, RoundingMode.HALF_UP);//保留5位小数
            result = bdM.doubleValue();
        }catch (InterruptedException e) {
            e.printStackTrace();
        }finally {
            service.shutdown();
        }
        return result;
    }
    /////////////////////////////////////CountdownLatch/////////////////////////////////////////

    
    /////////////////////////////////////BlockingQueue/////////////////////////////////////////
    private void startExploreDir(final File file) {
        pendingFileVisits.incrementAndGet();//記錄遍历文件夹次数
        service.execute(new Runnable() {
            public void run() {
                exploreDir(file);
            }
        });
    }
    
    private void exploreDir(final File file) {
        long fileSize = 0;
        if (file.isFile())
            fileSize = file.length();
        else {
            final File[] children = file.listFiles();
            if (children != null)
                for (final File child : children) {
                    if (child.isFile())
                        fileSize += child.length();
                    else {
                        startExploreDir(child);
                    }
                }
        }
        try {
            fileSizes.put(fileSize);
        } catch (Exception ex) {
            throw new RuntimeException(ex);
        }
        pendingFileVisits.decrementAndGet();
    }

    /**
     * 得到指定文件的大小
     * @param fileName
     * @return
     * @throws InterruptedException
     */
    public double getTotalSizeOfFile1(final String fileName){
        service = Executors.newFixedThreadPool(100);
        double result = 0;
        try {
            startExploreDir(new File(fileName));
            long totalSize = 0;
            while (pendingFileVisits.get() > 0 || fileSizes.size() > 0) {
                final Long size = fileSizes.poll(10, TimeUnit.SECONDS);
                totalSize += size;
            }
            //将k转换成m
            BigDecimal bdK = new BigDecimal(totalSize);
            BigDecimal bdM = bdK.divide(new BigDecimal(1024 * 1024)).setScale(5, RoundingMode.HALF_UP);//保留5位小数            
            result = bdM.doubleValue();
        }catch(Exception e){
            e.printStackTrace();
        }finally {
            service.shutdown();
        }
        return result;
    }
    /////////////////////////////////////BlockingQueue/////////////////////////////////////////

    
    
    /**
     * 先根遍历序递归删除文件夹
     *
     * @param dirFile 要被删除的文件或者目录
     * @return 删除成功返回true, 否则返回false
     */
    public boolean deleteFile(File dirFile) {
        // 如果dir对应的文件不存在，则退出
        if (!dirFile.exists()) {
            return false;
        }
        if (dirFile.isFile()) {
            return dirFile.delete();
        } else {
            for (File file : dirFile.listFiles()) {
                deleteFile(file);
            }
        }
        return dirFile.delete();
    }
    
}

遍历指定文件夹下存在log日志文件的文件夹

package com.sunsheen.jfids.studio.monitor.utils.local;

import java.io.File;
import java.util.HashSet;
import java.util.Map;
import java.util.Set;
import java.util.concurrent.ConcurrentHashMap;

import com.sunsheen.jfids.studio.monitor.common.LogInfo;

/**
 * 遍历当前eclipse运行空间下所有项目名跟对应日志
 * @author WangSong
 *
 */
public class LocalLogUtil {    
    
    private LocalLogUtil(){}
    
    
    /**
     * 遍历出存在项目日志文件的文件夹
     * @return
     */
    public static Map<String,Set<File>> getPlugLogs(){
        Map<String,Set<File>> associatedLogMap = new ConcurrentHashMap<String,Set<File>>();//
        //截取出正确的运行空间目录
        String runtimeSpace = LogInfo.RUNTIME_SPACE.substring(1,LogInfo.RUNTIME_SPACE.length() - 1);        
        String[] arr = runtimeSpace.split("/");
        StringBuffer sb = new StringBuffer();
        for(String space : arr)
            sb.append(space+File.separator);
        String logParentFolder = sb + LogInfo.LOG_PARENT_PATH;
        
        File file = new File(logParentFolder);//存放所有日志文件的文件夹
        listExistingLogFolder(associatedLogMap,file);
        return associatedLogMap;
    }

    
    //遍历当前文件夹下面所有文件
    private static void listExistingLogFolder(Map<String,Set<File>> associatedLogMap,File file){
        //遍历当前文件夹
        File[]  innerFiles = file.listFiles();
        for(File result : innerFiles){
            //存放对应关系
            if(result.isDirectory())
                listExistingLogFolder(associatedLogMap,result);
            else{
                String name = result.getName();//当前文件名
                //是日志文件，存入
                if(name.contains(".log")){
                    String projectName = result.getParent();//上层项目名路径
                    //如果不是项目日志文件不记录
                    if(!projectName.contains("com.sunsheen.jfids"))
                        continue;
                    //截取出正确的插件项目名
                    projectName = projectName.substring(projectName.lastIndexOf("c"));
                    //保证能添加所有的日志文件
                    if(associatedLogMap.containsKey(projectName)){
                        //当前项目存在日志文件时
                        Set<File> currentLogs = associatedLogMap.get(projectName);
                        currentLogs.add(result);
                        associatedLogMap.put(projectName, currentLogs);//保存最新的关系
                    }else{
                        //不存在当前项目日志文件时
                        Set<File> currentLogs = new HashSet<File>();
                        currentLogs.add(result);
                        associatedLogMap.put(projectName,currentLogs);//创建一个新关联
                    }
                }
            }
        }
    }
    
}

文件压缩跟解压

package com.sunsheen.jfids.studio.monitor.utils;

import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.io.PrintWriter;
import java.util.Enumeration;
import java.util.zip.ZipEntry;
import java.util.zip.ZipFile;
import java.util.zip.ZipOutputStream;

import org.eclipse.core.runtime.Assert;

import com.sunsheen.jfids.studio.monitor.HKMonitor;
import com.sunsheen.jfids.studio.monitor.HKMonitorFactory;

import ch.ethz.ssh2.ChannelCondition;
import ch.ethz.ssh2.Connection;
import ch.ethz.ssh2.Session;
import ch.ethz.ssh2.StreamGobbler;
/**
 * 多文件的打包压缩跟解压
 * @author WangSong
 *
 */
public class ZipFileUtil {
    private final static HKMonitor moniter = HKMonitorFactory.getLogger(ZipFileUtil.class.getName());

    /**
     * 压缩离线备份log文件成一个zip
     * @param srcFiles
     * @param zipFile
     * @return
     */
    public static File zipOfflineLogs(File[] srcFiles,File zipFile){
        if(srcFiles.length == 0 || null==srcFiles)
            return new File("");
        
        byte[] buf=new byte[1024];
        try {
            ZipOutputStream out = new ZipOutputStream(new FileOutputStream(zipFile));//定义要写入的文件
            for(int i=0;i<srcFiles.length;i++){
                FileInputStream in = new FileInputStream(srcFiles[i]);//读取文件
                out.putNextEntry(new ZipEntry(srcFiles[i].getName()));//设置内文件名
                //写入数据
                int length;
                while((length = in.read(buf)) > 0){
                        out.write(buf,0,length);
                }
                out.closeEntry();
                in.close();
                }
                out.close();
//                System.out.println("文件【"+zipFile.getName()+"】压缩完成！");
          } catch (Exception e) {
              e.printStackTrace();
          }
        
        return zipFile;
    }
    
      /**
       * 功能:压缩多个log文件成一个zip文件（本地）
       * @param srcfile：源文件列表
       * @param zipfile：压缩后的文件
       * @return    压缩后的文件
       */
      public static File zipFiles(File[] srcfile,File zipfile){
          if(srcfile.length == 0 || null==srcfile)
              return null;
          
          //存在当前压缩文件时，保存新文件（文件名 + 1）    eg:log.zip  ---->  log(1).zip
          if(zipfile.exists() && zipfile.length() != 0){
              File[] files = new File(zipfile.getParent()).listFiles();//当前目录的所有zip文件
              //截取出当前需要增加数字标号的名字部分
              String[] sourceArray = (zipfile.getName()).split("\.");//将\. 转义成.
              //防止异常
              Assert.isTrue(sourceArray.length != 0, "程序异常：文件名划分错误！");
              String change = sourceArray[sourceArray.length - 2];//get需要修改部分  eg:monitor
              //备份第二个时，增加数字下标
              if(files.length>0 && files.length<2){
                  change = change + "("+ 1 +")";
                  sourceArray[sourceArray.length - 2] = change;//需要修改部分重新赋值
                  StringBuffer newName = new StringBuffer();
                  for(String source : sourceArray){
                      //最后一次添加不能添加：.
                      if(source.equals(sourceArray[sourceArray.length - 1])){
                          newName.append(source);
                          break;
                      }
                      newName.append(source+".");
                  }
                  String path = zipfile.getPath();
                  path = path.substring(0, path.lastIndexOf(File.separator));
                  zipfile = new File(path + File.separator + newName);
              }
              //需要排除掉第一个备份（没有数字的）,且最大数字+1
              else if(files.length >= 2){                  
                  int[] nums = new int[files.length - 1];
                  int k = 0;
                  //取出当前文件夹下所有文件名的数字部分
                  for(File file : files){
                      //排除第一次备份（没有数字标号）的
                      if((zipfile.getName()).equals(file.getName()))
                          continue;
                      
                     String[] oldArray = null;    //存放切割出来的zip文件名
                     String target = null; //有数字的字符串
                     int index = 0;
                     oldArray = (file.getName()).split("\.");
                      target = oldArray[oldArray.length - 2];
                     index = Integer.parseInt(target.substring(target.lastIndexOf("(") + 1, target.lastIndexOf(")")));
                     nums[k] = index;
                     k++;
                  }
                  //找出最大的数字
                  int max=0;
                  for(int i=0;i<nums.length;i++){
                      if(nums[i] > max){
                              max=nums[i];
                      }
                  }
                  //重新设置数字
                  max++;
                  change = change + "("+ max +")";
                  sourceArray[sourceArray.length - 2] = change;//需要修改部分重新赋值
                  StringBuffer newName = new StringBuffer();
                  for(String source : sourceArray){
                      //最后一次添加后退出
                      if(source.equals(sourceArray[sourceArray.length - 1])){
                          newName.append(source);
                          break;
                      }
                      newName.append(source+".");
                  }
                  String path = zipfile.getPath();
                  path = path.substring(0, path.lastIndexOf(File.separator));
                  zipfile = new File(path + File.separator + newName);
              }
          }
 
          //压缩
          byte[] buf=new byte[1024];
          try {
              //ZipOutputStream ：完成文件或文件夹的压缩
              ZipOutputStream out = new ZipOutputStream(new FileOutputStream(zipfile));
              for(int i=0;i<srcfile.length;i++){
                  if(!srcfile[i].exists())
                      continue;
                  FileInputStream in = new FileInputStream(srcfile[i]);//读取文件
                  String zipName = srcfile[i].getName();
                  out.putNextEntry(new ZipEntry(zipName));//设置内文件名
                  //写入数据
                  int length;
                  while((length = in.read(buf)) > 0){
                          out.write(buf,0,length);
                  }
                  out.closeEntry();
                  in.close();
                  }
                  out.close();
            } catch (Exception e) {
                e.printStackTrace();
            }
          return zipfile;
       }
      
      /**
       * 功能:解压缩（本地）
       * @param zipfile：需要解压缩的文件
       * @param descDir：解压后的目标目录
       */
      public static void unZipFiles(File zipfile,String descDir){
     
          try {
              ZipFile zf = new ZipFile(zipfile);//格式化
              //循环遍历出压缩的每个文件
              for(Enumeration entries = zf.entries();entries.hasMoreElements();){
                  ZipEntry entry = (ZipEntry) entries.nextElement();
                  String zipEntryName = entry.getName();//当前压缩文件中文件名
                  InputStream in = zf.getInputStream(entry);
                  
                  File mkFile = new File(descDir + zipEntryName);
                  mkFile.createNewFile();
                  
                  OutputStream out=new FileOutputStream(descDir + zipEntryName);
                  byte[] buf1 = new byte[1024];
                  int len;
                  while((len=in.read(buf1)) > 0){
                      out.write(buf1,0,len);
                  }
                  in.close();
                  out.close();
                  moniter.info("文件【"+zipfile.getName()+"】，解压缩完成！");
                  System.out.println("解压缩完成.");
              }
            } catch (Exception e) {
                e.printStackTrace();
            }
      }
      
      /**
       * 壓縮指定文件夾下所有文件
       * @param targetZipFile    压缩后的文件     eg：d://logs//log.zip
       * @param logFolder    日志文件所在的文件夹    eg：e://logs
       * @return
       */
      public static File zipLogs(String targetZipFile,String logFolder){
        //定义日志压缩文件
        File[] logsFileArr = new File(logFolder).listFiles();//所有的日志文件
        //創建一個空的目標zip文件
        File resultZip = new File(targetZipFile);
        //壓縮
        zipFiles(logsFileArr, resultZip);
        return resultZip;
      }
      
      
      /**
       * 解压文件（远程）
       * @param romoteAddr    服务器地址
       * @param username    服务器用户名
       * @param password    服务器密码
       * @param targetFolder    服务器上需要解压文件的目录    eg:/usr/local/hk-logs
       * @param zipFileName    需要解压文件的文件名    eg:logs.zip
       */
      public static void remoteUnZip(String romoteAddr,String username,String password,
              String targetFolder,String zipFileName){
          
          try {
              Connection connection = new Connection(romoteAddr);// 创建一个连接实例
              connection.connect();// Now connect
              boolean isAuthenticated = connection.authenticateWithPassword(username, password);//認證
              Assert.isTrue(isAuthenticated, "用戶名或者密碼錯誤！");
              Session sess = connection.openSession();// 創建一個會話
              sess.requestPTY("bash");
              sess.startShell();
              InputStream stdout = new StreamGobbler(sess.getStdout());
              InputStream stderr = new StreamGobbler(sess.getStderr());
              BufferedReader stdoutReader = new BufferedReader(new InputStreamReader(stdout));
              BufferedReader stderrReader = new BufferedReader(new InputStreamReader(stderr));
              //向服务器上输入命令
              PrintWriter out = new PrintWriter(sess.getStdin());
              out.println("cd " + targetFolder);//進入日志文件存放的目录
              out.println("ll");
              out.println("unzip -o -d "+targetFolder+" "+zipFileName);//解压文件到指定位置
              out.println("ll");
              out.println("exit");
              out.close();
              sess.waitForCondition(ChannelCondition.CLOSED|ChannelCondition.EOF | ChannelCondition.EXIT_STATUS,30000);
              //本机查看远程操作的指令及状态
              showRemoteShell(stdoutReader,stderrReader,sess);
              //查看当前退出状态
              System.out.println("ExitCode: " + sess.getExitStatus());
              //关闭连接
              sess.close();
              connection.close();
          } catch (IOException e) {
              moniter.error("远程解压文件【"+ zipFileName +"】，错误：" + e);
              e.printStackTrace(System.err);
//              System.exit(2);
          }
      }
      
      //打印远程指令及状态
      private static void showRemoteShell(BufferedReader stdoutReader,BufferedReader stderrReader,
              Session sess) throws IOException{
          System.out.println("输入在服务器的指令：");
          while (true) {
              String line = stdoutReader.readLine();
              if (line == null)
                  break;
              System.out.println(line);
          }
          System.out.println("输入指令后对应的显示信息：");
          while (true) {
              String line = stderrReader.readLine();
              if (line == null)
                  break;
              System.out.println(line);
          }
      }
      
}

监测服务器是否可达【一】

package com.sunsheen.jfids.studio.monitor.utils.remote;

import java.net.HttpURLConnection;
import java.net.URL;
import java.text.DateFormat;
import java.util.Date;
/**
 * 檢測網絡或者指定连接是否可用
 * @author WangSong
 *
 */
public class IntenetAvailableUtil {
    /**记录连接次数**/
    private static int count = 0;
    /**URL**/
    private static URL urlStr = null;
    /**连接响应码**/
    private static int stateCode = 0;
    /**记录网络断开时间**/
    private static String closeTime = null;
    /**HttpURLCOnnection对象**/
    private static HttpURLConnection connection = null;

    /***
    * 功能描述：检测当前的网络是否断开或当前地址是否可连接
    *  如果网络没有断开，最多连接网络5次，如果5次连接不成功说明该地址不存在或视为无效地址。
    * @param url
    */
    public synchronized static boolean connState(String url) {
        while(count < 5){
            try {
                urlStr = new URL(url);
                connection = (HttpURLConnection) urlStr.openConnection();
                stateCode = connection.getResponseCode();
                if(stateCode == 200){
                    return true;
                }
            } catch (Exception e) {
                if(closeTime == null){
                    DateFormat df = DateFormat.getDateTimeInstance();
                    closeTime = df.format(new Date());
                    System.out.println("网络连接已断开,请检查网络连接设备");
                    System.out.println("断开时间:"+closeTime);
                    System.out.println("程序开始設定每10秒检查一次");
                }
                try {
                    System.out.println("开始第"+ ++count +"次检查网络连接状态");
                    Thread.sleep(10000);
                } catch (InterruptedException e1) {}
            }
        }
        return false;
    }
}

监测服务器是否可达【二】

package com.sunsheen.jfids.studio.monitor.utils.remote;
import java.io.IOException;
import java.net.HttpURLConnection;
import java.net.InetAddress;
import java.net.MalformedURLException;
import java.net.URL;
 
import javax.net.ssl.HostnameVerifier;
import javax.net.ssl.HttpsURLConnection;
import javax.net.ssl.SSLSession;
 /**
  * 检测网址、ip、服务器是否可用
  * @author WangSong
  *
  */
public class NetStateUtil {
    
    //https
    static HostnameVerifier hv = new HostnameVerifier() {  
        public boolean verify(String urlHostName, SSLSession session) {  
            return true;  
        }  
    };  
    
    /**
     * 当前网址是否可用
     * @param remoteInetAddr
     * @return    
     */
    public static boolean connectingAddress(String remoteInetAddr){
        boolean flag=false;
        String tempUrl=remoteInetAddr.substring(0, 5);//取出地址前5位
        if(tempUrl.contains("http")){//判断传过来的地址中是否有http
            if(tempUrl.equals("https")){//判断服务器是否是https协议
                try {
                    trustAllHttpsCertificates();//当协议是https时
                } catch (Exception e) {
                    e.printStackTrace();
                }  
                HttpsURLConnection.setDefaultHostnameVerifier(hv);//当协议是https时
            }
            flag=isConnServerByHttp(remoteInetAddr);
        }else{//传过来的是IP地址
            flag=isReachable(remoteInetAddr);
        }
        return flag;
    }
    
    /**
     * 传入远程服务器的IP，返回是否连接成功
     *
     * @param remoteInetAddr
     * @return
     */
    public static boolean isReachable(String remoteInetAddr) {// IP地址是否可达，相当于Ping命令
        boolean reachable = false;
        try {
            InetAddress address = InetAddress.getByName(remoteInetAddr);
            reachable = address.isReachable(1500);
        } catch (Exception e) {
            e.printStackTrace();
        }
        return reachable;
    }
 
    /**
     * 服务器连接检测
     * @param serverUrl
     * @return
     */
    public static boolean isConnServerByHttp(String serverUrl) {// 服务器是否开启
        boolean connFlag = false;
        URL url;
        HttpURLConnection conn = null;
        try {
            url = new URL(serverUrl);
            conn = (HttpURLConnection) url.openConnection();
            conn.setConnectTimeout(3 * 1000);
            if (conn.getResponseCode() == 200) {// 如果连接成功则设置为true
                connFlag = true;
            }
        } catch (MalformedURLException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        } finally {
            conn.disconnect();
        }
        return connFlag;
    }
    
    /*以下是Https适用*/
    private static void trustAllHttpsCertificates() throws Exception {  
        javax.net.ssl.TrustManager[] trustAllCerts = new javax.net.ssl.TrustManager[1];  
        javax.net.ssl.TrustManager tm = new miTM();  
        trustAllCerts[0] = tm;  
        javax.net.ssl.SSLContext sc = javax.net.ssl.SSLContext  
                .getInstance("SSL");  
        sc.init(null, trustAllCerts, null);  
        javax.net.ssl.HttpsURLConnection.setDefaultSSLSocketFactory(sc  
                .getSocketFactory());  
    }  
 
    //
    static class miTM implements javax.net.ssl.TrustManager,  
            javax.net.ssl.X509TrustManager {  
        public java.security.cert.X509Certificate[] getAcceptedIssuers() {  
            return null;  
        }  
 
        public boolean isServerTrusted(  
                java.security.cert.X509Certificate[] certs) {  
            return true;  
        }  
 
        public boolean isClientTrusted(  
                java.security.cert.X509Certificate[] certs) {  
            return true;  
        }  
 
        public void checkServerTrusted(  
                java.security.cert.X509Certificate[] certs, String authType)  
                throws java.security.cert.CertificateException {  
            return;  
        }  
 
        public void checkClientTrusted(  
                java.security.cert.X509Certificate[] certs, String authType)  
                throws java.security.cert.CertificateException {  
            return;  
        }  
    }  
}

服务器(centos)指定本地指令集

package com.sunsheen.jfids.studio.monitor.utils.remote;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.util.Properties;

import org.eclipse.core.runtime.Assert;

import ch.ethz.ssh2.ChannelCondition;
import ch.ethz.ssh2.Connection;
import ch.ethz.ssh2.StreamGobbler;

import com.jcraft.jsch.Channel;
import com.jcraft.jsch.ChannelSftp;
import com.jcraft.jsch.JSch;
import com.jcraft.jsch.Session;
import com.jcraft.jsch.SftpException;
import com.sunsheen.jfids.studio.monitor.HKMonitor;
import com.sunsheen.jfids.studio.monitor.HKMonitorFactory;
import com.sunsheen.jfids.studio.monitor.common.LogInfo;

/**
 * 输入指令到服务器执行
 * @author WangSong
 *
 */
public class ServersDebugUtil {
    
    private static final HKMonitor monitor = HKMonitorFactory.getLogger(ServersDebugUtil.class.getName());

    private ServersDebugUtil(){}
    
    /**
     * 转换指令到服务器执行
     * @param command    要执行的指令
     */
    public static void transferCommand(String... commands){
        String romoteAddr = LogInfo.SERVERS_ADDRESS;
        String username = LogInfo.SERVERS_USERNAME;
        String password = LogInfo.SERVERS_PASSWORD;
        try {
              Connection connection = new Connection(romoteAddr);// 创建一个连接实例
              connection.connect();// Now connect
              boolean isAuthenticated = connection.authenticateWithPassword(username, password);//認證
              Assert.isTrue(isAuthenticated, "用戶名或密碼錯誤！");
              ch.ethz.ssh2.Session sess = connection.openSession();// 創建一個會話
              sess.requestPTY("bash");
              sess.startShell();
              InputStream stdout = new StreamGobbler(sess.getStdout());
              InputStream stderr = new StreamGobbler(sess.getStderr());
              BufferedReader stdoutReader = new BufferedReader(new InputStreamReader(stdout));
              BufferedReader stderrReader = new BufferedReader(new InputStreamReader(stderr));
              //向服务器上输入命令
              PrintWriter out = new PrintWriter(sess.getStdin());
              for(String command : commands){
                  out.println(command);
              }
              out.close();
              sess.waitForCondition(ChannelCondition.CLOSED|ChannelCondition.EOF | ChannelCondition.EXIT_STATUS,100);
              //关闭连接
              sess.close();
              connection.close();
              stderrReader.close();
              stdoutReader.close();
          } catch (IOException e) {
              e.printStackTrace();
              monitor.error("服务器执行指令出错：", e);
          }
    }
    
    /**
     * 文件夹校验
     * @param commands        进入对应文件夹指令集：第一个参数传log目录；第二个参数传用户log目录
     */
    public static void foldedrCheck(String... commands){
        String username = LogInfo.SERVERS_USERNAME;
        String password = LogInfo.SERVERS_PASSWORD;
        String address = LogInfo.SERVERS_ADDRESS;
        int port = LogInfo.SERVERS_FTP_PORT;
        
        ChannelSftp sftp = null;
        Channel channel = null;
        Session sshSession = null;
        int index = 0;//记录有异常文件夹的下标
        try {
            //创建连接
            JSch jsch = new JSch();
            sshSession = jsch.getSession(username, address, port);
            sshSession.setPassword(password);
            //获取session
            Properties sshConfig = new Properties();
            sshConfig.put("StrictHostKeyChecking", "no");
            sshSession.setConfig(sshConfig);
            sshSession.connect();
            //得到sftp
            channel = sshSession.openChannel("sftp");
            channel.connect();
            sftp = (ChannelSftp) channel;
            //进入文件夹
            for(int i=0;i<commands.length;i++){
                index = i;
                sftp.cd(commands[i]);//进入对应存放日志文件的目录
            }
            
        } catch (Exception e) {
              if(e.toString().contains("No such file")){
                  System.out.println("服务器自动创建【"+commands[index]+"】文件夹");
                  try{
                      //创建父文件夹
                      if(index == 0){
                          sftp.mkdir(LogInfo.SERVERS_PARENT_USER_FOLDER);
                          System.out.println("服务器创建【"+ LogInfo.SERVERS_PARENT_USER_FOLDER+"】文件夹成功！");
                          monitor.info("服务器创建【"+ LogInfo.SERVERS_PARENT_USER_FOLDER+"】文件夹成功！");
                      }
                      //创建用户层
                      else if(index == 1){
                          sftp.mkdir(LogInfo.SERVERS_RECIVE_FOLDER);
                          System.out.println("服务器创建【"+ LogInfo.SERVERS_RECIVE_FOLDER+"】文件夹成功！");
                          monitor.info("服务器创建【"+ LogInfo.SERVERS_RECIVE_FOLDER+"】文件夹成功！");
                      }
                      //TODO 传入的其他指令
                      
                  }catch(SftpException e1){
                      e1.printStackTrace();
                      monitor.error("服务器创建用户层目录失败："+e1);
//                      System.exit(2);
                  }
          }
    }
    }
}

服务器指定文件夹遍历

package com.sunsheen.jfids.studio.monitor.utils.remote;

import java.io.BufferedReader;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.util.ArrayList;
import java.util.List;

import org.eclipse.core.runtime.Assert;

import ch.ethz.ssh2.ChannelCondition;
import ch.ethz.ssh2.Connection;
import ch.ethz.ssh2.Session;
import ch.ethz.ssh2.StreamGobbler;

import com.sunsheen.jfids.studio.monitor.HKMonitor;
import com.sunsheen.jfids.studio.monitor.HKMonitorFactory;
import com.sunsheen.jfids.studio.monitor.common.LogInfo;
import com.sunsheen.jfids.studio.monitor.timer.MonitorOffline;

/**
 * 遍历出远程服务器上指定目录下的所有文件夹
 * 
 * @author WangSong
 *
 */
public class ServersFolderUtil {
    private static final HKMonitor monitor = HKMonitorFactory.getLogger(ServersFolderUtil.class.getName());

    private ServersFolderUtil() {
    }

    /**
     * 得到服务器上指定文件夹下所有子文件夹（第一级子文件夹）
     * 
     * @return
     */
    public static List<Object> getSubfolderName(final String targetFolder) {
        final String romoteAddr = LogInfo.SERVERS_ADDRESS;
        final String username = LogInfo.SERVERS_USERNAME;
        final String password = LogInfo.SERVERS_PASSWORD;

        List<Object> folderNameList = new ArrayList<Object>();
        try {
            Connection connection = new Connection(romoteAddr);// 创建一个连接实例
            connection.connect();// 没有网络连接时，这一步会抛出连接异常
            boolean isAuthenticated = connection.authenticateWithPassword(username, password);// 認證
            Assert.isTrue(isAuthenticated, "用戶名或密碼錯誤！");
            ch.ethz.ssh2.Session sess = connection.openSession();// 創建一個會話
            sess.requestPTY("bash");
            sess.startShell();
            InputStream stdout = new StreamGobbler(sess.getStdout());
            InputStream stderr = new StreamGobbler(sess.getStderr());
            BufferedReader stdoutReader = new BufferedReader(
                    new InputStreamReader(stdout));
            BufferedReader stderrReader = new BufferedReader(
                    new InputStreamReader(stderr));
            // 向服务器上输入命令
            PrintWriter out = new PrintWriter(sess.getStdin());
            out.println("cd " + targetFolder);// 進入日志文件存放的目录
            out.println("ls -ld */");
            out.println("exit");
            out.close();
            /** 如果服务器没有返回信息过来，线程现在一直在c.wait这里，等待服务器返回信息将他唤醒。 **/
            // TODO 需要解决当前阻塞...
             sess.waitForCondition(ChannelCondition.CLOSED|ChannelCondition.EOF|ChannelCondition.EXIT_STATUS,30000);
             while (true) {
                 String line = stdoutReader.readLine();//当前读取到的整行数据
                 //数据读取完，退出
                 if (line == null)
                     break;
                 //取出文件夹
                 if(line.contains("drwxr-xr-x")){
                     //取出正确的文件夹名
                     StringBuffer sb = 
                             new StringBuffer(line.substring(line.lastIndexOf(" "),line.lastIndexOf("/")));
                     line = sb.toString().replace(" ", "");
                     folderNameList.add(line); 
                 }
             }

            // 关闭连接
            sess.close();
            connection.close();
            stderrReader.close();
            stdoutReader.close();
        } catch (IOException e) {
            //如果没有网络连接，离线记录日志文件
            if(e.toString().contains("There was a problem while connecting to")){
                System.out.println("连接服务器失败:"+e);
                monitor.error("连接服务器失败:", e);
                //本地离线备份日志线程执行
                final MonitorOffline mo = new MonitorOffline();
                mo.monitor();
            }
//            e.printStackTrace(System.err);
//            System.exit(2);
        }
        return folderNameList;
    }

    /**
     * 返回当前目录下所有文件夹
     * @param remoteDir
     * @return
     */
    @Deprecated
    public static List<Object> getChildFolders(String remoteDir){
        List<Object> results = new ArrayList<Object>();//返回所有的文件夹名
        String[] resultArr = {};
        try {
            resultArr = getRemoteDirFileNames(remoteDir);
        } catch (IOException e) {
            e.printStackTrace();
        }
        for (String line : resultArr) {
//            if (line.contains("drwxr-xr-x")) {
//                // 取出正确的文件夹名
//                StringBuffer sb = new StringBuffer(line.substring(
//                        line.lastIndexOf(" "), line.lastIndexOf("/")));
//                line = sb.toString().replace(" ", "");
//                results.add(line);
//            }
            System.out.println(line);
        }
        return results;
    }
    
    /**
     * 列出指定文件夹下所有文件
     * 
     * @param conn
     * @param remoteDir
     * @return
     * @throws IOException 
     */
     public static String[] getRemoteDirFileNames(String remoteDir) throws IOException{
     Connection conn = new Connection(LogInfo.SERVERS_ADDRESS);// 创建一个连接实例
     conn.connect();// Now connect
        boolean isAuthenticated = conn.authenticateWithPassword(
                LogInfo.SERVERS_USERNAME, LogInfo.SERVERS_PASSWORD);// 認證
        Assert.isTrue(isAuthenticated, "用戶名或密碼錯誤！");
     Session sess=null;
     try {
         sess = conn.openSession();
         sess.execCommand("ls -lt "+remoteDir);
         InputStream stdout = new StreamGobbler(sess.getStdout());
         InputStream stderr = new StreamGobbler(sess.getStderr());

         byte[] buffer = new byte[100];
         String result = null;
         while (true) {
             if ((stdout.available() == 0)) {
                 int conditions = sess.waitForCondition(ChannelCondition.STDOUT_DATA |
                         ChannelCondition.STDERR_DATA | ChannelCondition.EOF, 1000*5);
                 if ((conditions & ChannelCondition.TIMEOUT) != 0) {
                     break;//超时后退出循环，要保证超时时间内，脚本可以运行完成
                 }
                 if ((conditions & ChannelCondition.EOF) != 0) {
                     if ((conditions & (ChannelCondition.STDOUT_DATA |
                             ChannelCondition.STDERR_DATA)) == 0) {
                         break;
                     }
                 }
             }

             if(stdout!=null){
                 ByteArrayOutputStream baos = new ByteArrayOutputStream();
                    int i;
                    while ((i = stdout.read()) != -1) {
                        baos.write(i);
                    }
                    String fileNames = baos.toString();

                    if (fileNames != null) {
                        String[] resultArr = fileNames.split("
");
                        return resultArr;
             }

             while (stderr.available() > 0) {
                 int len = stderr.read(buffer);
                 if (len > 0){
                     result += new String(buffer, 0, len);
                 }
             }
         }
         }
         stdout.close();
         stderr.close();
     } catch (Exception e) {
//         log.info("获取指定目录下文件列表失败："+e.getMessage());
         System.out.println("获取指定目录下文件列表失败："+e.getMessage());
     }finally {
         sess.close();
     }
     return null;
     }
     
}

上传文件到服务器的ftp工具

package com.sunsheen.jfids.studio.monitor.utils.remote;

import java.io.BufferedReader;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.util.ArrayList;
import java.util.List;

import org.eclipse.core.runtime.Assert;

import ch.ethz.ssh2.ChannelCondition;
import ch.ethz.ssh2.Connection;
import ch.ethz.ssh2.Session;
import ch.ethz.ssh2.StreamGobbler;

import com.sunsheen.jfids.studio.monitor.HKMonitor;
import com.sunsheen.jfids.studio.monitor.HKMonitorFactory;
import com.sunsheen.jfids.studio.monitor.common.LogInfo;
import com.sunsheen.jfids.studio.monitor.timer.MonitorOffline;

/**
 * 遍历出远程服务器上指定目录下的所有文件夹
 * 
 * @author WangSong
 *
 */
public class ServersFolderUtil {
    private static final HKMonitor monitor = HKMonitorFactory.getLogger(ServersFolderUtil.class.getName());

    private ServersFolderUtil() {
    }

    /**
     * 得到服务器上指定文件夹下所有子文件夹（第一级子文件夹）
     * 
     * @return
     */
    public static List<Object> getSubfolderName(final String targetFolder) {
        final String romoteAddr = LogInfo.SERVERS_ADDRESS;
        final String username = LogInfo.SERVERS_USERNAME;
        final String password = LogInfo.SERVERS_PASSWORD;

        List<Object> folderNameList = new ArrayList<Object>();
        try {
            Connection connection = new Connection(romoteAddr);// 创建一个连接实例
            connection.connect();// 没有网络连接时，这一步会抛出连接异常
            boolean isAuthenticated = connection.authenticateWithPassword(username, password);// 認證
            Assert.isTrue(isAuthenticated, "用戶名或密碼錯誤！");
            ch.ethz.ssh2.Session sess = connection.openSession();// 創建一個會話
            sess.requestPTY("bash");
            sess.startShell();
            InputStream stdout = new StreamGobbler(sess.getStdout());
            InputStream stderr = new StreamGobbler(sess.getStderr());
            BufferedReader stdoutReader = new BufferedReader(
                    new InputStreamReader(stdout));
            BufferedReader stderrReader = new BufferedReader(
                    new InputStreamReader(stderr));
            // 向服务器上输入命令
            PrintWriter out = new PrintWriter(sess.getStdin());
            out.println("cd " + targetFolder);// 進入日志文件存放的目录
            out.println("ls -ld */");
            out.println("exit");
            out.close();
            /** 如果服务器没有返回信息过来，线程现在一直在c.wait这里，等待服务器返回信息将他唤醒。 **/
            // TODO 需要解决当前阻塞...
             sess.waitForCondition(ChannelCondition.CLOSED|ChannelCondition.EOF|ChannelCondition.EXIT_STATUS,30000);
             while (true) {
                 String line = stdoutReader.readLine();//当前读取到的整行数据
                 //数据读取完，退出
                 if (line == null)
                     break;
                 //取出文件夹
                 if(line.contains("drwxr-xr-x")){
                     //取出正确的文件夹名
                     StringBuffer sb = 
                             new StringBuffer(line.substring(line.lastIndexOf(" "),line.lastIndexOf("/")));
                     line = sb.toString().replace(" ", "");
                     folderNameList.add(line); 
                 }
             }

            // 关闭连接
            sess.close();
            connection.close();
            stderrReader.close();
            stdoutReader.close();
        } catch (IOException e) {
            //如果没有网络连接，离线记录日志文件
            if(e.toString().contains("There was a problem while connecting to")){
                System.out.println("连接服务器失败:"+e);
                monitor.error("连接服务器失败:", e);
                //本地离线备份日志线程执行
                final MonitorOffline mo = new MonitorOffline();
                mo.monitor();
            }
//            e.printStackTrace(System.err);
//            System.exit(2);
        }
        return folderNameList;
    }

    /**
     * 返回当前目录下所有文件夹
     * @param remoteDir
     * @return
     */
    @Deprecated
    public static List<Object> getChildFolders(String remoteDir){
        List<Object> results = new ArrayList<Object>();//返回所有的文件夹名
        String[] resultArr = {};
        try {
            resultArr = getRemoteDirFileNames(remoteDir);
        } catch (IOException e) {
            e.printStackTrace();
        }
        for (String line : resultArr) {
//            if (line.contains("drwxr-xr-x")) {
//                // 取出正确的文件夹名
//                StringBuffer sb = new StringBuffer(line.substring(
//                        line.lastIndexOf(" "), line.lastIndexOf("/")));
//                line = sb.toString().replace(" ", "");
//                results.add(line);
//            }
            System.out.println(line);
        }
        return results;
    }
    
    /**
     * 列出指定文件夹下所有文件
     * 
     * @param conn
     * @param remoteDir
     * @return
     * @throws IOException 
     */
     public static String[] getRemoteDirFileNames(String remoteDir) throws IOException{
     Connection conn = new Connection(LogInfo.SERVERS_ADDRESS);// 创建一个连接实例
     conn.connect();// Now connect
        boolean isAuthenticated = conn.authenticateWithPassword(
                LogInfo.SERVERS_USERNAME, LogInfo.SERVERS_PASSWORD);// 認證
        Assert.isTrue(isAuthenticated, "用戶名或密碼錯誤！");
     Session sess=null;
     try {
         sess = conn.openSession();
         sess.execCommand("ls -lt "+remoteDir);
         InputStream stdout = new StreamGobbler(sess.getStdout());
         InputStream stderr = new StreamGobbler(sess.getStderr());

         byte[] buffer = new byte[100];
         String result = null;
         while (true) {
             if ((stdout.available() == 0)) {
                 int conditions = sess.waitForCondition(ChannelCondition.STDOUT_DATA |
                         ChannelCondition.STDERR_DATA | ChannelCondition.EOF, 1000*5);
                 if ((conditions & ChannelCondition.TIMEOUT) != 0) {
                     break;//超时后退出循环，要保证超时时间内，脚本可以运行完成
                 }
                 if ((conditions & ChannelCondition.EOF) != 0) {
                     if ((conditions & (ChannelCondition.STDOUT_DATA |
                             ChannelCondition.STDERR_DATA)) == 0) {
                         break;
                     }
                 }
             }

             if(stdout!=null){
                 ByteArrayOutputStream baos = new ByteArrayOutputStream();
                    int i;
                    while ((i = stdout.read()) != -1) {
                        baos.write(i);
                    }
                    String fileNames = baos.toString();

                    if (fileNames != null) {
                        String[] resultArr = fileNames.split("
");
                        return resultArr;
             }

             while (stderr.available() > 0) {
                 int len = stderr.read(buffer);
                 if (len > 0){
                     result += new String(buffer, 0, len);
                 }
             }
         }
         }
         stdout.close();
         stderr.close();
     } catch (Exception e) {
//         log.info("获取指定目录下文件列表失败："+e.getMessage());
         System.out.println("获取指定目录下文件列表失败："+e.getMessage());
     }finally {
         sess.close();
     }
     return null;
     }
     
}

通过http上传文件

package com.sunsheen.jfids.studio.monitor.sender;

import java.io.File;
import java.io.IOException;
import java.io.UnsupportedEncodingException;
import java.util.Iterator;
import java.util.Map;

import org.apache.http.HttpEntity;
import org.apache.http.HttpStatus;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.methods.CloseableHttpResponse;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.entity.mime.FormBodyPart;
import org.apache.http.entity.mime.MultipartEntity;
import org.apache.http.entity.mime.content.FileBody;
import org.apache.http.entity.mime.content.StringBody;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.util.EntityUtils;
import org.eclipse.core.runtime.Assert;

/**
 * 發送日誌文件到服務器 ：需要将文件打包压缩
 * 
 * @author WangSong
 *
 */
public class SendLogByHttp {

    /**
     * 发送日志文件
     * @param url        远程地址
     * @param param        String类型的map数据，可以为空
     * @param file        上传的文件
     * @return
     * @throws ClientProtocolException
     * @throws IOException
     */
    public static String postFile(String url, Map<String, Object> param,
            File file) throws ClientProtocolException, IOException {
        
        String res = null;
        CloseableHttpClient httpClient = HttpClients.createDefault();//创建http客户端
        HttpPost httppost = new HttpPost(url);
        httppost.setEntity(getMutipartEntry(param, file));//设置发送的消息体
        
        CloseableHttpResponse response = httpClient.execute(httppost);//发送消息到指定服务器 
        
        HttpEntity entity = response.getEntity();
        
        if (response.getStatusLine().getStatusCode() == HttpStatus.SC_OK) {
            res = EntityUtils.toString(entity, "UTF-8");
            response.close();
        } else {
            res = EntityUtils.toString(entity, "UTF-8");
            response.close();
            throw new IllegalArgumentException(res);
        }
        return res;
    }

    //得到当前文件实体
    private static MultipartEntity getMutipartEntry(Map<String, Object> param,
            File file) throws UnsupportedEncodingException {
        Assert.isTrue(null == file, "文件不能为空！");
        
        FileBody fileBody = new FileBody(file);//通过文件路径，得到文件体
        FormBodyPart filePart = new FormBodyPart("file", fileBody);//格式化
        MultipartEntity multipartEntity = new MultipartEntity();
        multipartEntity.addPart(filePart);

        if(null != param){
            Iterator<String> iterator = param.keySet().iterator();
            while (iterator.hasNext()) {
                String key = iterator.next();
                FormBodyPart field = new FormBodyPart(key, new StringBody(
                        (String) param.get(key)));
                multipartEntity.addPart(field);
            }
        }

        return multipartEntity;
    }

}

通过socket上传文件

package com.sunsheen.jfids.studio.monitor.sender;

import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.net.Socket;

/**
 * 通過socket通信，發送文件
 * @author WangSong
 *
 */
public class SendLogBySocket {

    /**
     * 文件上傳
     * @param address    远程服务器地址
     * @param port        远程服务器开放的端口号
     * @param file        上传的文件
     */
    public static void postFile(String address,int port,File file) {
        Socket st = null;
        BufferedOutputStream bos = null;
        FileInputStream fis = null;
        try {
            //指定端口号
            //InetAddress.getLocalHost();
            st = new Socket(address,port);
            //要上传文件位置
            bos = new BufferedOutputStream(st.getOutputStream());
            fis = new FileInputStream(file);
            int len = 0;
            byte b[] = new byte[1024];
            //文件写入
            while ((len = fis.read(b)) != -1) {
                bos.write(b, 0, len);
                bos.flush();
            }
            System.out.println("客户端上传完成！");
        }
        catch (IOException e) {
            e.printStackTrace();
        }finally {
            try {
                //关闭资源
                fis.close();
                bos.close();
                st.close();
            }catch (IOException e) {
                e.printStackTrace();
            }
        }
    }
    
}