/*
* $Id$
*
* Copyright 2005 by Mark Hall
*
* The contents of this file are subject to the Mozilla Public License Version 1.1
* (the "License"); you may not use this file except in compliance with the License.
* You may obtain a copy of the License at http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the License.
*
* The Original Code is 'iText, a free JAVA-PDF library'.
*
* The Initial Developer of the Original Code is Bruno Lowagie. Portions created by
* the Initial Developer are Copyright (C) 1999, 2000, 2001, 2002 by Bruno Lowagie.
* All Rights Reserved.
* Co-Developer of the code is Paulo Soares. Portions created by the Co-Developer
* are Copyright (C) 2000, 2001, 2002 by Paulo Soares. All Rights Reserved.
*
* Contributor(s): all the names of the contributors are added in the source code
* where applicable.
*
* Alternatively, the contents of this file may be used under the terms of the
* LGPL license (the ?GNU LIBRARY GENERAL PUBLIC LICENSE?), in which case the
* provisions of LGPL are applicable instead of those above. If you wish to
* allow use of your version of this file only under the terms of the LGPL
* License and not to allow others to use your version of this file under
* the MPL, indicate your decision by deleting the provisions above and
* replace them with the notice and other provisions required by the LGPL.
* If you do not delete the provisions above, a recipient may use your version
* of this file under either the MPL or the GNU LIBRARY GENERAL PUBLIC LICENSE.
*
* This library is free software; you can redistribute it and/or modify it
* under the terms of the MPL as stated above or under the terms of the GNU
* Library General Public License as published by the Free Software Foundation;
* either version 2 of the License, or any later version.
*
* This library is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU Library general Public License for more
* details.
*
* If you didn't download this code from the following link, you should check if
* you aren't using an obsolete version:
* http://www.lowagie.com/iText/
*/
package com.lowagie.text.rtf.document.output;
import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStream;
/**
* The RtfFileCache is a RtfDataCache that uses a temporary file
* to store the rtf document data. Not so fast, but doesn't use any
* memory (just disk space).
*
* @version $Revision$
* @author Mark Hall (Mark.Hall@mail.room3b.eu)
*/
public class RtfDiskCache implements RtfDataCache {
/**
* The BufferedOutputStream that stores the cache data.
*/
private BufferedOutputStream data = null;
/**
* The temporary file to store the data in.
*/
private File tempFile = null;
/**
* Constructs a RtfFileCache. Creates the temp file.
*
* @throws IOException If the temporary file could not be created.
*/
public RtfDiskCache() throws IOException {
this.tempFile = File.createTempFile("iText", null);
this.data = new BufferedOutputStream(new FileOutputStream(tempFile));
}
/**
* Gets the BufferedOutputStream to write to.
*/
public OutputStream getOutputStream() {
return this.data;
}
/**
* Writes the content of the temporary file into the OutputStream.
*/
public void writeTo(OutputStream target) throws IOException {
this.data.close();
BufferedInputStream tempIn = new BufferedInputStream(new FileInputStream(this.tempFile));
byte[] buffer = new byte[8192];
int bytesRead = -1;
while((bytesRead = tempIn.read(buffer)) >= 0) {
target.write(buffer, 0, bytesRead);
}
tempIn.close();
this.tempFile.delete();
}
}