filechecker.java

来自「一个MMORPG手机游戏的服务器端程序源代码」· Java 代码 · 共 53 行

package zsw_mmorpg.log;

/**
 * <p>Title: </p>
 * <p>Description: </p>
 * <p>Copyright: Copyright (c) 2003</p>
 * <p>Company: Digital Online</p>
 * @author byron.peng
 * @version 1.0
 */
import java.io.*;

public class FileChecker {

  public FileChecker() {
  }

  public static void main(String[] args) {
    FileChecker fileChecker1 = new FileChecker();
    long lastModified;
    lastModified = new Long("1060526024592").longValue();
    System.out.println(lastModified);
    System.out.println(fileChecker1.FileCompare("demo.property", lastModified));
  }

  //-1:文件不存在;
  //0 :文件没有修改;
  //1 :文件已经修改过;
  public static int FileCompare(String pathname, long lastModified) {
    File f = new File(pathname);
    if (!f.exists()) {
      return -1;
    }

    if (f.lastModified() == lastModified) {
      return 0;
    }
    else {
      return 1;
    }
  }

  public static long FileGetlastModified(String pathname) {
    File f = new File(pathname);
    if (!f.exists()) {
      return -1;
    }
    else {
      return f.lastModified();
    }
  }

}