读取远程共享文件测试

package read;

import java.io.BufferedReader;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileReader;

public class Test extends Thread {
    String str = "";
    public void run() {
        while (true) {
            File file = new File("//192.168.1.110/hhh/abc.txt");
            int size = (int) file.length();
                try {
                    FileReader readIn = new FileReader(file);
                    BufferedReader br = new BufferedReader(readIn);
                    String strtemp = null;
                    while ((strtemp = br.readLine()) != null) {
                        str  = str + strtemp;
                        //System.out.println(str);
                    }
                    br.close();
                    readIn.close();
                    this.sleep(5000);
                } catch (Exception e) {
                    e.printStackTrace();
                }
             if (new File("//192.168.1.110/hhh/abc.txt").length() != size) {
                 System.out.println(str);
            } else {
                System.out.println("-------------File no change-------------");
            }
        }
    }

}