/* This file is part of the Joshua Machine Translation System. * * Joshua is free software; you can redistribute it and/or modify * it under the terms of the GNU Lesser General Public License as * published by the Free Software Foundation; either version 2.1 * of the License, or (at your option) 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 * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free * Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, * MA 02111-1307 USA */ package joshua.util.io; import java.util.Iterator; import java.io.IOException; /** * Common interface for Reader type objects. * * @author wren ng thornton <wren@users.sourceforge.net> * @version $LastChangedDate: 2009-03-26 15:06:57 -0400 (Thu, 26 Mar 2009) $ */ public interface Reader<E> extends Iterable<E>, Iterator<E> { /** Close the reader, freeing all resources. */ void close() throws IOException; /** Determine if the reader is ready to read a line. */ boolean ready() throws IOException; /** Read a "line" and return an object representing it. */ E readLine() throws IOException; }