JAVA文件/目录操作类

一个JAVA对于文件/目录操作类，支持WINDOWS/LINUX/UNIX平台，其中ZIP与UNZIP对中文文件/目录名支持的不好，如果发现错误请联系我jenshy@126.com,转载请添加我的BLOG链接 http://blog.youkuaiyun.com/jenshy

/ *
 * @author JenshyHong
 * @version 1.0
 */
import java.io.File;
import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.util.zip.ZipOutputStream;
import java.util.zip.ZipEntry;
import java.util.zip.ZipInputStream;

public class FileOperate
{
    public static boolean renameFile(String strSrcPath,String strDstPath)
    {
 String srcPath,dstPath;
 srcPath=strSrcPath.trim();
 dstPath=strDstPath.trim();
 if(srcPath.charAt(srcPath.length()-1)==File.separatorChar)
     srcPath=srcPath.substring(0,srcPath.length()-1);
 if(dstPath.charAt(dstPath.length()-1)==File.separatorChar)
     dstPath=dstPath.substring(0,dstPath.length()-1);

 if( srcPath.equals("") || dstPath.equals("") || srcPath.equals(dstPath) )
 {
     System.out.println("Path is error(FileOperate.renameFile())");
     return false;
 }
 File file1=new File(srcPath);
 if( !file1.exists() )
 {
     System.out.println("Source Path is error(FileOperate.renameFile())");
     return false;
 }

 if(file1.isDirectory())   //dir
 {
     System.out.println("Source Path isn't file(FileOperate.renameFile())");
     return false;
 }
 else   //file
 {
     File file2 = new File(dstPath);
     if (file2.exists())
     {
  if (file2.isDirectory())
  {
      System.out.println(
   "Destination Path is error(FileOperate.copyFile())");
      return false;
  }
  else
  {
      file2.delete();
  }
     }
     else
     {
  File file3 = file2.getParentFile();
  if ( (file3 != null) && !file3.exists())
  {
      file3.mkdirs();
  }
     }
     return file1.renameTo(file2);
 }

    }//function renameFile end

    public static void copyFile(String strSrcPath,String strDstPath)
    {
 String srcPath,dstPath;
 srcPath=strSrcPath.trim();
 dstPath=strDstPath.trim();
 if(srcPath.charAt(srcPath.length()-1)==File.separatorChar)
     srcPath=srcPath.substring(0,srcPath.length()-1);
 if(dstPath.charAt(dstPath.length()-1)==File.separatorChar)
     dstPath=dstPath.substring(0,dstPath.length()-1);

 if( srcPath.equals("") || dstPath.equals("") || srcPath.equals(dstPath) )
 {
     System.out.println("Path is error(FileOperate.copyFile())");
     return;
 }
 File file1=new File(srcPath);
 if( !file1.exists() || file1.isDirectory())
 {
     System.out.println("Source Path is error(FileOperate.copyFile())");
     return;
 }
 File file2=new File(dstPath);
 File file3=file2.getParentFile();
 if((file3!=null)&&!file3.exists())
 {

     file3.mkdirs();
 }
 try
 {
     BufferedInputStream in=new BufferedInputStream(new FileInputStream(srcPath),8192);
     BufferedOutputStream out=new BufferedOutputStream(new FileOutputStream(dstPath),8192);
     byte[] btData=new byte[1024];
     int size;
     while((size=in.read(btData))!=-1)
     {
  out.write(btData,0,size);
     }
     out.flush();
     in.close();
     out.close();

 }
 catch(FileNotFoundException e)
 {
  e.printStackTrace();
 }
 catch(IOException e)
 {
  e.printStackTrace();
 }

    }//copyFile end

    public static void copyFiles(String strSrcDir,String strDstDir)
    {
 String srcDir, dstDir;
 srcDir = strSrcDir.trim();
 dstDir = strDstDir.trim();
 if (!srcDir.equals(File.separator))
     if (srcDir.charAt(srcDir.length() - 1) == File.separatorChar)
  srcDir = srcDir.substring(0, srcDir.length() - 1);
 if (!dstDir.equals(File.separator))
     if (dstDir.charAt(dstDir.length() - 1) == File.separatorChar)
  dstDir = dstDir.substring(0, dstDir.length() - 1);

 if (srcDir.equals("") || dstDir.equals("") || srcDir.equals(dstDir))
 {
      System.out.println("Path is error(FileOperate.copyFiles())");
     return;
 }
 File file1 = new File(srcDir);
 if (!file1.isDirectory())
 {
     System.out.println("Source Path is error(FileOperate.copyFiles())");
     return;
 }
 File file2 = new File(dstDir);
 if (file2.exists())
 {
     if (!file2.isDirectory())
     {
  System.out.println("Destination Path is error(FileOperate.copyFiles())");
  return;
     }
 }
 else
 {
     file2.mkdirs();
 }

 String[] fileNames = file1.list();

 for (int i = 0; i < fileNames.length; i++)
 {
     File file = new File(file1, fileNames[i]);
     if (file.isDirectory())
     {
  copyFiles( srcDir + File.separator + fileNames[i], dstDir + File.separator + fileNames[i] );
     }
     else
     {
  copyFile( srcDir + File.separator + fileNames[i], dstDir + File.separator + fileNames[i] );
     }
 }

    }//copyFiles end

    public static void moveFile(String strSrcPath,String strDstPath)
    {
 copyFile(strSrcPath,strDstPath);
 deleteFile(strSrcPath);
    }//moveFile end

    public static void moveFiles(String strSrcDir,String strDstDir)
    {
 copyFiles(strSrcDir,strDstDir);
 deleteFiles(strSrcDir,true);
    }//moveFiles end

    public static boolean deleteFile(String strPath)
    {
 File file=new File(strPath.trim());
 if(file.exists())
 {
     System.out.println("delete file is unsuccessful(FileOperate.deleteFile())");
     return file.delete();
 }
        else
 {
     System.out.println("File or Dir isn't existent(FileOperate.deleteFile())");
     return false;
 }
    }//deleteFile end

    public static void deleteFiles(String strDir,boolean deleteDir)
    {
 String dir=strDir.trim();
 if(dir.charAt(dir.length()-1)==File.separatorChar)
     dir=dir.substring(0,dir.length()-1);
 if(dir.equals(""))
 {
     System.out.println("Path is error(FileOperate.deleteFiles())");
     return;
 }
 File file=new File(dir);
 if(!file.exists())
 {
     System.out.println("file or dir isn't existent(FileOperate.deleteFiles())");
     return;
 }
 if (file.isDirectory())
 {
     String[] fileNames=file.list();
     for (int i = 0; i < fileNames.length; i++)
     {
  File subFile=new File(file,fileNames[i]);
  if (subFile.isDirectory())
  {
      deleteFiles(dir+File.separator+fileNames[i],deleteDir);
      if (deleteDir)
   subFile.delete();
  }
  else
  {
      subFile.delete();
  }
     }
     if(deleteDir)
  file.delete();
 }
 else
 {
     file.delete();
 }
    }//deleteFiles end

    public static void zip(String strSrcPath, String strDstPath)
{
    String srcPath, dstPath;
    srcPath = strSrcPath.trim();
    dstPath = strDstPath.trim();
    if (srcPath.charAt(srcPath.length() - 1) == File.separatorChar)
 srcPath = srcPath.substring(0, srcPath.length() - 1);
    if (dstPath.charAt(dstPath.length() - 1) == File.separatorChar)
 dstPath = dstPath.substring(0, dstPath.length() - 1);
    if (srcPath.equals("") || dstPath.equals("") || srcPath.equals(dstPath))
    {
 System.out.println("Path is error(FileOperate.zip())");
 return;
    }
    File srcFile = new File(srcPath);
    try
    {
 if (srcFile.exists())
 {
     ZipOutputStream zipOut;
     if (dstPath.endsWith(".zip") || dstPath.endsWith(".ZIP"))
     {
  zipOut = new ZipOutputStream(new BufferedOutputStream(new FileOutputStream(dstPath)));
  //zipOut = new ZipOutputStream(new FileOutputStream(dstPath));
     }
     else
     {
  File file = new File(dstPath);
  if (!file.exists())
      file.mkdirs();
  zipOut = new ZipOutputStream(new FileOutputStream(new File(
      file, srcFile.getName() + ".zip")));
     }
     zip(srcFile, zipOut, "");
     zipOut.close();
 }
 else
 {
     System.out.println("file or dir isn't existent(FileOperate.zip())");
 }
    }

    catch (FileNotFoundException e)
    {
 e.printStackTrace();
    }
    catch (IOException e)
    {
 e.printStackTrace();
    }

}

private static void zip(File file, ZipOutputStream zip, String entryName)
{
    try
    {
 if (file.isDirectory())
 {
     ZipEntry ze = new ZipEntry(entryName + file.getName() + "/");
     ze.setTime(file.lastModified());
     zip.putNextEntry(ze);
     zip.closeEntry();
     String[] names = file.list();
     for (int i = 0; i < names.length; i++)
     {
  zip(new File(file, names[i]), zip, entryName + file.getName() + "/");
     }
 }
 else
 {
     int len;
     byte[] buf = new byte[1024];

     BufferedInputStream in = new BufferedInputStream(new
  FileInputStream(file), 1024);
     ZipEntry ze = new ZipEntry(entryName + file.getName());
     ze.setTime(file.lastModified());
     zip.putNextEntry(ze);
     while ( (len = in.read(buf)) != -1)
  zip.write(buf, 0, len);
     zip.flush();
     in.close();
     zip.closeEntry();
 }

    }
    catch (FileNotFoundException e)
    {
 e.printStackTrace();
    }
    catch (IOException e)
    {
 e.printStackTrace();
    }

}
public static void unzip(String strSrcPath, String strDstPath)
{
 String srcPath, dstPath;
 srcPath = strSrcPath.trim();
 dstPath = strDstPath.trim();
 if (srcPath.charAt(srcPath.length() - 1) == File.separatorChar)
     srcPath = srcPath.substring(0, srcPath.length() - 1);
 if (dstPath.charAt(dstPath.length() - 1) == File.separatorChar)
     dstPath = dstPath.substring(0, dstPath.length() - 1);
 if (srcPath.equals("") || dstPath.equals("") || srcPath.equals(dstPath))
 {
     System.out.println("Path is error(FileOperate.unzip())");
     return;
 }
 if(!new File(srcPath).exists())
 {
      System.out.println("Source File isn't existent(FileOperate.unzip())");
      return;
 }
 if (srcPath.endsWith(".zip") || srcPath.endsWith(".ZIP"))
 {
     try
     {
  File myDir = new File(dstPath);
  //目标目录，解压缩到此目录下
  if (myDir.exists())
  {
      if(!myDir.isDirectory())
      {
   myDir.delete();
   myDir.mkdirs();
      }
  }
  else
  {
      myDir.mkdirs(); //若此目录不存在，就建立它
  }
  ZipInputStream myZipInput = new ZipInputStream(
      new BufferedInputStream( new FileInputStream(srcPath)));
  //套入 ZipInputStream
  ZipEntry myZipEntry = null;
  while ( (myZipEntry = myZipInput.getNextEntry()) != null)
  {
  /* 读取下一个 ZipEntry，并将串流内的位置
   移至该 entry 所指之资料的开头。 */
       //========= 以下是解压缩 =============
       if (myZipEntry.isDirectory())
       { //若这个 entry 指到的是目录
    File theDir = new File(myDir, myZipEntry.getName());
    //前面冠上解压缩的目标目录
    if (!theDir.exists())
        theDir.mkdirs(); //若此目录不存在，就建立它
    theDir.setLastModified(myZipEntry.getTime());
    myZipInput.closeEntry();
       }
       else
       { //若这个 entry 指到是文件
    File file=new File(myDir,myZipEntry.getName());
    File myPath = file.getParentFile();
    //此文件的 Path，即它被压缩时的上层目录
    if (myPath != null)
    {
        //若此目录不存在，就建立它
    if(!myPath.exists())
     myPath.mkdirs();
    }
        BufferedOutputStream myOut =new BufferedOutputStream(    new FileOutputStream(file));

    byte[] btBuf=new byte[1024];
    int len;
    while ((len=myZipInput.read(btBuf)) != -1)
        myOut.write(btBuf,0,len); //解压缩读入后，再写出到一般文件
     myOut.close();
    file.setLastModified(myZipEntry.getTime());
    myZipInput.closeEntry();
    //关闭此 entry，并让串流内指到适当位置，以备下个 entry 的读取。
       }
   }
  myZipInput.close();
     }
     catch (IOException e)
     {
  e.printStackTrace();
     }
 }
 else
 {
     System.out.println("file is error(FileOperate.unzip())");
 }
}//Function unzip end

}//class FileOperate end