TarTool example source code file (TempFileManager.java)

This example TarTool source code file (TempFileManager.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - TarTool tags/keywords

deleted, file, file, fileoutputstream, fileoutputstream, inputstream, io, ioexception, object, string, string, tempfilemanager, util, vector, vector

The TarTool TempFileManager.java source code

/*
** Copyright (c) 1998 by Timothy Gerard Endres
** <mailto:time@ice.com>  
** 
** This program is free software.
** 
** You may redistribute it and/or modify it under the terms of the GNU
** General Public License as published by the Free Software Foundation.
** Version 2 of the license should be included with this distribution in
** the file LICENSE, as well as License.html. If the license is not
** included	with this distribution, you may find a copy at the FSF web
** site at 'www.gnu.org' or 'www.fsf.org', or you may write to the
** Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139 USA.
**
** THIS SOFTWARE IS PROVIDED AS-IS WITHOUT WARRANTY OF ANY KIND,
** NOT EVEN THE IMPLIED WARRANTY OF MERCHANTABILITY. THE AUTHOR
** OF THIS SOFTWARE, ASSUMES _NO_ RESPONSIBILITY FOR ANY
** CONSEQUENCE RESULTING FROM THE USE, MODIFICATION, OR
** REDISTRIBUTION OF THIS SOFTWARE. 
** 
*/

package com.ice.util;

import java.io.*;
import java.util.Vector;
import com.ice.util.UserProperties;


public class
TempFileManager extends Object
	{
	private static int			tempDocCounter = 0;

	private static String		temnpDirName = null;
	private static String		tempFilePrefix = null;
	private static String		tempFileSuffix = null;

	private static Vector		tempFiles = new Vector();


	public static void
	initialize( String dirName, String prefix, String suffix )
		{
		TempFileManager.temnpDirName = dirName;
		TempFileManager.tempFilePrefix = prefix;
		TempFileManager.tempFileSuffix = suffix;
		}

	public static void
	setTemporaryDirectory( String dirName )
		{
		TempFileManager.temnpDirName = dirName;
		}

	public static void
	setFilenamePrefix( String prefix )
		{
		TempFileManager.tempFilePrefix = prefix;
		}

	public static void
	setFilenameSuffix( String suffix )
		{
		TempFileManager.tempFileSuffix = suffix;
		}

	public static void
	addTemporaryFile( String filename )
		{
		TempFileManager.tempFiles.addElement( filename );
		}

	public static String
	getTemporaryDirectory()
		{
		return TempFileManager.temnpDirName;
		}

	public static String
	getTemporaryFilename()
		{
		TempFileManager.tempDocCounter++;

		return 
			TempFileManager.getTemporaryFilename
				( TempFileManager.tempFileSuffix );
		}

	public static String
	getTemporaryFilename( String suffix )
		{
		TempFileManager.tempDocCounter++;

		String tempFileName =
			TempFileManager.temnpDirName
			+ File.separator
			+ TempFileManager.tempFilePrefix
			+ "-" + TempFileManager.tempDocCounter
			+ suffix;

		return tempFileName;
		}

	public static void
	clearTemporaryFiles()
		{
		int count = 0;
		int numFiles = TempFileManager.tempFiles.size();

		for ( int idx = 0 ; idx < numFiles ; ++idx )
			{
			String fileName =
				(String) TempFileManager.tempFiles.elementAt( idx );

			File f = new File( fileName );

			if ( f.exists() && f.isFile() )
				{
				f.delete();
				count++;
				}
			}

		System.err.println
			( "Deleted " + count + " temporary documents." );
		}

	public static void
	writeTemporaryFile( InputStream source, String tempFileName )
		throws IOException
		{
		FileOutputStream out =
			new FileOutputStream( tempFileName );

		byte[] buf = new byte[ 32 * 1024 ];
		for ( ; ; )
			{
			int cnt = source.read( buf, 0, buf.length );
			if ( cnt == -1 )
				break;

			out.write( buf, 0, cnt );
			}

		out.close();

		TempFileManager.addTemporaryFile( tempFileName );
		}

	}