----- Original Message -----
From: "Nick Smith" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Thursday, January 15, 2004 2:58 PM
Subject: Betreff: Copy Directory to Directory function ( backup)
> Hi Nico,
> This is the method that I use for backing up my indices...
>
> Good Luck!
>
> Nick
>
> /**
> * Copy contents of <code>dir</code>, erasing current contents.
> *
> * This can be used to write a memory-based index to disk.
> *
> * @param dir a <code>Directory</code> value
> * @exception IOException if an error occurs
> */
> public void copyDir(Directory dir) throws IOException {
> // remove current contents of directory
> create();
>
> final String[] ar = dir.list();
> for (int i = 0; i < ar.length; i++)
> {
> // make place on disk
> OutputStream os = createFile(ar[i]);
> // read current file
> InputStream is = dir.openFile(ar[i]);
>
> final int MAX_CHUNK_SIZE = 131072;
> byte[] buf = new byte[MAX_CHUNK_SIZE];
> int remainder = (int)is.length();
> while (remainder > 0) {
> int chunklen = (remainder > MAX_CHUNK_SIZE ? MAX_CHUNK_SIZE :
remainde!
> is.readBytes(buf, 0, chunklen);
> os.writeBytes(buf, chunklen);
> remainder -= chunklen;
> }
>
> // graceful cleanup
> is.close();
> os.close();
> }
> }
>
>
>
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