httptransport.java

jxta_src_2.41b jxta 2.41b 最新版源码 from www.jxta.org

/*
 *  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 THE APACHE SOFTWARE FOUNDATION 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.
 *
 *  $Id: HttpTransport.java,v 1.7 2006/06/19 18:27:36 bondolo Exp $
 */
package net.jxta.ext.config;

import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;

/**
 * HTTP {@link net.jxta.ext.config.Transport} configuration representation.
 *
 * <p>A {@link net.jxta.ext.config.Transport} implemenation that supports HTTP addressing.
 *
 * @author     james todd [gonzo at jxta dot org]
 */

public class HttpTransport
    extends Transport {

    private static final String BAD_PORT_RANGE =
        "http port range is presently not supported";

    /**
     *  Constructor for the HTTP {@link net.jxta.ext.config.Transport} object.
     */
    
    public HttpTransport() {
        super(Protocol.HTTP);

        setEnabled(Default.HTTP_IS_ENABLED);
        setIncoming(Default.HTTP_INCOMING_IS_ENABLED);
        setOutgoing(Default.HTTP_OUTGOING_IS_ENABLED);
        setProxy(Default.HTTP_PROXY_IS_ENABLED);
    }
    
    /**
     * Clears and specifies the provided {@link net.jxta.ext.config.Address}.
     *
     * @param  addresses  The list of {@link net.jxta.ext.config.Address}
     */
    
    public void setAddresses(List addresses) {
        check(addresses);
        
        super.setAddresses(addresses);
    }
    
    /**
     * Adds a {@link java.util.List} of {@link net.jxta.ext.config.Address}.
     *
     * @param       addresses       {@link java.util.List} of {@link net.jxta.ext.config.Address}
     */
    
    public void addAddresses(List addresses) {
        check(addresses);
        
        super.addAddresses(addresses);
    }
    
    private void check(List addresses) {
        for (Iterator ai = addresses.iterator(); ai.hasNext(); ) {
            Address a = (Address)ai.next();
            
            if (a.getPortRange() > Default.MINIMUM_PORT) {
                throw new UnsupportedOperationException(BAD_PORT_RANGE);
            }
        }
    }
}