Source for java.io.Closeable

   1: /* Closeable.java -- Closeable object
   2:    Copyright (C) 2004, 2005 Free Software Foundation
   3: 
   4: This file is part of GNU Classpath.
   5: 
   6: GNU Classpath is free software; you can redistribute it and/or modify
   7: it under the terms of the GNU General Public License as published by
   8: the Free Software Foundation; either version 2, or (at your option)
   9: any later version.
  10: 
  11: GNU Classpath is distributed in the hope that it will be useful, but
  12: WITHOUT ANY WARRANTY; without even the implied warranty of
  13: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14: General Public License for more details.
  15: 
  16: You should have received a copy of the GNU General Public License
  17: along with GNU Classpath; see the file COPYING.  If not, write to the
  18: Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
  19: 02110-1301 USA.
  20: 
  21: Linking this library statically or dynamically with other modules is
  22: making a combined work based on this library.  Thus, the terms and
  23: conditions of the GNU General Public License cover the whole
  24: combination.
  25: 
  26: As a special exception, the copyright holders of this library give you
  27: permission to link this library with independent modules to produce an
  28: executable, regardless of the license terms of these independent
  29: modules, and to copy and distribute the resulting executable under
  30: terms of your choice, provided that you also meet, for each linked
  31: independent module, the terms and conditions of the license of that
  32: module.  An independent module is a module which is not derived from
  33: or based on this library.  If you modify this library, you may extend
  34: this exception to your version of the library, but you are not
  35: obligated to do so.  If you do not wish to do so, delete this
  36: exception statement from your version. */
  37: 
  38: package java.io;
  39: 
  40: /**
  41:  * A <code>Closeable</code> class represents a stream of
  42:  * data, which can be closed when it is no longer needed.
  43:  * Closing a stream allows the resources it uses to be
  44:  * freed for an alternate use.
  45:  *
  46:  * @author Tom Tromey (tromey@redhat.com)
  47:  * @author Andrew John Hughes (gnu_andrew@member.fsf.org)
  48:  * @since 1.5
  49:  */
  50: public interface Closeable
  51: {
  52: 
  53:   /**
  54:    * Closes the stream represented by this class, thus freeing
  55:    * system resources. In that case that the stream is already
  56:    * in the closed state, this method has no effect.
  57:    *
  58:    * @throws IOException if an I/O error occurs in closing.
  59:    */
  60:   void close()
  61:     throws IOException;
  62: 
  63: }