httputil.java

jxme的一些相关程序,主要是手机上程序开发以及手机和计算机通信的一些程序资料,程序编译需要Ant支持

/************************************************************************
 *
 * $Id: HttpUtil.java,v 1.5 2002/02/14 02:50:36 chaywood Exp $
 *
 * Copyright (c) 2001 Sun Microsystems, Inc.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 *
 * 3. The end-user documentation included with the redistribution,
 *    if any, must include the following acknowledgment:
 *       "This product includes software developed by the
 *       Sun Microsystems, Inc. for Project JXTA."
 *    Alternately, this acknowledgment may appear in the software itself,
 *    if and wherever such third-party acknowledgments normally appear.
 *
 * 4. The names "Sun", "Sun Microsystems, Inc.", "JXTA" and "Project JXTA"
 *    must not be used to endorse or promote products derived from this
 *    software without prior written permission. For written
 *    permission, please contact Project JXTA at http://www.jxta.org.
 *
 * 5. Products derived from this software may not be called "JXTA",
 *    nor may "JXTA" appear in their name, without prior written
 *    permission of Sun.
 *
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED.  IN NO EVENT SHALL SUN MICROSYSTEMS OR
 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 * ====================================================================
 *
 * This software consists of voluntary contributions made by many
 * individuals on behalf of Project JXTA.  For more
 * information on Project JXTA, please see
 * <http://www.jxta.org/>.
 *
 * This license is based on the BSD license adopted by the Apache Foundation.
 */

package net.jxta.impl.endpoint.servlethttp;

import java.io.*;

public class HttpUtil {

    public static final String COMMAND_NAME = "command";
    public static final String COMMAND_VALUE_BLOCK = "block";
    public static final String COMMAND_VALUE_POLL = "poll";
    public static final String COMMAND_VALUE_OBTAIN_LEASE  = "obtainLease";
    public static final String COMMAND_VALUE_RENEW_LEASE = "renewLease";
    public static final String COMMAND_VALUE_RELEASE_LEASE = "releaseLease";
    public static final String PARAM_PEER_ID = "peerId";
    public static final String PARAM_CLIENT_PEER_ID = "clientPeerId";
    public static final String PARAM_LEASE_LENGTH = "leaseLength";
    public static final String PARAM_LEASE_ID = "leaseId";
    public static final String PARAM_MODE = "mode";

    public static final String HEADER_PARAM_COMMAND = "x-jxta-command";
    public static final String HEADER_PARAM_CLIENT = "x-jxta-client";
    public static final String HEADER_PARAM_RELAY = "x-jxta-relay";
    public static final String HEADER_PARAM_LEASE = "x-jxta-lease";
    public static final String HEADER_PARAM_TIMEOUT = "x-jxta-timeout";

    /** HTTP Status Codes **/
    public static final int HTTP_SC_OK = 200;

    /** transfers the input stream to the output stream **/	
    public static void transfer(InputStream in, OutputStream out) 
	throws IOException {
	
	int c;
	byte[] buf = new byte[4096];
	while( (c=in.read(buf))!=-1 ) {
	    out.write(buf,0,c);
	}
    }
}