1 /* 2 * Copyright (c) 2005-2007 Creative Sphere Limited. 3 * All rights reserved. This program and the accompanying materials 4 * are made available under the terms of the Eclipse Public License v1.0 5 * which accompanies this distribution, and is available at 6 * http://www.eclipse.org/legal/epl-v10.html 7 * 8 * Contributors: 9 * 10 * Creative Sphere - initial API and implementation 11 * 12 */ 13 package org.abstracthorizon.mercury.maildir.file; 14 15 import java.io.File; 16 import java.io.IOException; 17 18 /** 19 * Interface needed for <code>SharedInputStreamImpl</code> objects. 20 * 21 * @author Daniel Sendula 22 */ 23 public interface FileProvider { 24 25 /** 26 * Returns file. 27 * @return file 28 * @throws IOException 29 */ 30 File getFile() throws IOException; 31 32 /** 33 * Returns file size or -1 if not known 34 * @return file size or -1 if not known 35 */ 36 long getFileSize(); 37 38 }