/*
* $Id$
*
* Copyright (C) 2003-2015 JNode.org
*
* This library 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.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
package org.jnode.util;
import java.io.Closeable;
/**
* Proxy streams have an underlying stream and offer methods for getting that
* stream.
*
* @author crawley@jnode.org
*/
public interface ProxyStream<T extends Closeable> extends Closeable {
/**
* Get the underlying (non-proxy) stream for this proxy. If there are
* multiple layers of proxying, these are unwound.
*
* @return a real (non-proxied) stream.
*/
public T getRealStream() throws ProxyStreamException;
/**
* Get the stream that this proxy stream wraps. The result may also be a
* proxy stream.
*
* @return the wrapped stream for this proxy.
*/
public T getProxiedStream() throws ProxyStreamException;
}