Metacat

package edu.ucsb.nceas.metacat.util;

import java.io.File;

import java.io.FileInputStream;

import java.io.FileNotFoundException;

import java.io.IOException;

/**

 * Extension of FileInputSteam that deletes the sourcefile when the

 * InputStream is closed. Should typically be used with temporary files

 * when a more immediate deletion should be performed than is offered

 * by the File.deleteOnExit() method.

 * @author leinfelder

 *

 */

public class DeleteOnCloseFileInputStream extends FileInputStream {

	private File file;

	public DeleteOnCloseFileInputStream(String name) throws FileNotFoundException {

		this(new File(name));

	}

	public DeleteOnCloseFileInputStream(File file) throws FileNotFoundException {

		super(file);

		this.file = file;

	}

	/**

	 * Allow access to the underlying file - careful!

	 * @return

	 */

	public File getFile() {

		return file;

	}

	/**

	 * Delete the file when the InputStream is closed

	 */

	public void close() throws IOException {

		try {

			super.close();

		} finally {

			if (file != null) {

				file.delete();

				file = null;

			}

		}

	}

}