spiderinputstream.java

VHDL制作的ann的code

/*
 * Encog Neural Network and Bot Library for Java v1.x
 * http://www.heatonresearch.com/encog/
 * http://code.google.com/p/encog-java/
 * 
 * Copyright 2008, Heaton Research Inc., and individual contributors.
 * See the copyright.txt in the distribution for a full listing of 
 * individual contributors.
 *
 * This 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 software 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 software; if not, write to the Free
 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
 */
package org.encog.bot.spider;

import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;

/**
 * SpiderInputStream: This class is used by the spider to both parse and save an
 * InputStream.
 */
public class SpiderInputStream extends InputStream {
	/**
	 * The InputStream to read from.
	 */
	private final InputStream is;

	/**
	 * The OutputStream to write to.
	 */
	private OutputStream os;

	/**
	 * Construct the SpiderInputStream. Whatever is read from the InputStream
	 * will also be written to the OutputStream.
	 * 
	 * @param is
	 *            The InputStream.
	 * @param os
	 *            The OutputStream.
	 */
	public SpiderInputStream(final InputStream is, final OutputStream os) {
		this.is = is;
		this.os = os;
	}

	/**
	 * Read a single byte from the stream. @throws IOException If an I/O
	 * exception occurs. 
	 * @return The character that was read from the stream.
	 */
	@Override
	public int read() throws IOException {
		final int ch = this.is.read();
		if (this.os != null) {
			this.os.write(ch);
		}
		return ch;
	}

	/**
	 * Set the OutputStream.
	 * 
	 * @param os
	 *            The OutputStream.
	 */
	public void setOutputStream(final OutputStream os) {
		this.os = os;
	}

}