servletstreamwrapper.java

主要是对串口驱动的的一些控制源码！！！ 在下载javacomm20-win32.zip后就可以使用。

/**
 * $Log: ServletStreamWrapper.java,v $
 * Revision 1.1  2003/01/16 13:11:41  mwulff
 * initial version
 *
 * Revision 1.3  2002/12/31 12:17:36  mwulff
 * no message
 *
 * Revision 1.2  2002/12/20 18:51:18  mwulff
 * no message
 *
 * Revision 1.1  2002/12/05 21:27:52  mwulff
 * initial version
 *
 */
package de.fhm.jkf.comm.sv;

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

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.apache.log4j.Logger;

import de.fhm.jkf.comm.clsv.CompressionStreamWrapper;

/**
 * @author	marten wulff
 * 
 * * <br><br><center><table border="1" width="80%"><hr>
 * <strong><a href="http://jkf.sourceforge.net">The JKF Project</a></strong>
 * <p>
 * Copyright (C) 2002 by Marten Wulff
 * <p>
 * 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.
 * <p>
 * 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.
 * <p>
 * You should have received a copy of the <a href="http://www.gnu.org/copyleft/lesser.html">
 * GNU Lesser General Public License</a> along with this library; if not, write to
 * the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 * MA  02111-1307  USA
 * <hr></table></center>
 */
public class ServletStreamWrapper implements CompressionStreamWrapper {

	// logging
	private static Logger logger = Logger.getLogger(ServletStreamWrapper.class);

	private HttpServletRequest request = null;
	private HttpServletResponse response = null;
	/**
	 * Constructor for ServletStreamWrapper.
	 */
	public ServletStreamWrapper(
		HttpServletRequest request,
		HttpServletResponse response) {
		super();

		this.request = request;
		this.response = response;
	}

	/* (non-Javadoc)
	 * @see de.fhm.jkf.comm.clsv.HttpStreamWrapper#getInputStream()
	 */
	public InputStream getInputStream() throws IOException {
		return request.getInputStream();
	}

	/* (non-Javadoc)
	 * @see de.fhm.jkf.comm.clsv.HttpStreamWrapper#getOutputStream()
	 */
	public OutputStream getOutputStream() throws IOException {
		return response.getOutputStream();
	}

	public void setModeCompressed(boolean mode) {
		response.setHeader(
			CompressionStreamWrapper.COMPRESS_ATTRIB,
			Boolean.toString(mode));
	}

	public boolean isModeCompressed() {
		return new Boolean(
			request.getHeader(CompressionStreamWrapper.COMPRESS_ATTRIB))
			.booleanValue();
	}
}