fileoption.java

来自「wincvs 的使用配置的东西」· Java 代码 · 共 88 行

/* **************************************************************** */
/* System Name : 億乕僞儖仌僌儖乕僾僂僄傾僾儘僕僃僋僩
 * File   Name : UID堦尦娗棟楢摦僷僗儚乕僪曄峏  (FileOption.java)
 * Compiler    : JDK 1.5.0
 * Description : 僼傽僀儖張棟僋儔僗
 * ----------------------------------------------------------------
 * Modification History
 * Date         Name            Description
 * -----------  --------------  -----------------------------------
 * 2007/11/XX                   Initial Release
 * ----------------------------------------------------------------
 */
/* **************************************************************** */

package common;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.InputStream;
import java.nio.ByteBuffer;

public class FileOption {

  private String sFilePath;  //
  private String sContent;   //

  /* **********************************************************************
   * 僼傽僀儖僐僺乕張棟
   * @param String 擖椡僼傽僀儖
   * @param String 弌椡僼傽僀儖
   * @return boolean 僼傽僀儖僐僺乕寢壥
   * @throws exception Exception 幚峴帪僄儔乕
   * @version
  *************************************************************************/
  public boolean copyFile(String s1, String s2) {
    int bytesum = 0;
    int byteread = 0;

    try {
      InputStream inStream = new FileInputStream(s1);
      FileOutputStream fs = new FileOutputStream(s2);
      byte[] buffer = new byte[1444];
      while ((byteread = inStream.read(buffer)) != -1) {
        bytesum += byteread;
        fs.write(buffer, 0, byteread);
      }
      inStream.close();
      fs.close();
      return true;
    } catch (Exception e) {
        return false;
    }
  }

  /* **********************************************************************
   * 僶僀僫儕偱僼傽僀儖撪梕傪捛壛張棟
   * @param String 擖椡僼傽僀儖
   * @param String 捛壛撪梕
   * @return boolean 捛壛寢壥
   * @throws exception Exception 幚峴帪僄儔乕
   * @version
  *************************************************************************/
  public boolean appendFileByByte(String s1, byte[] b) {
    sFilePath = s1;
    sContent += "\n";
    File myFilePath = new File(sFilePath);
    FileOutputStream fw;

    try {
      if (!myFilePath.exists()) {
        //create file and add content
        fw = new FileOutputStream(sFilePath);
      }
      else {
        //append to file
        fw = new FileOutputStream(sFilePath,true);
      }
      fw.write(b);
      fw.close();
      return true;
    } catch (Exception e) {
      e.printStackTrace();
      return false;
    }
  }
}