signedadvertisement.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 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.
 *
 * $Id: SignedAdvertisement.java,v 1.1 2004/05/20 16:32:18 bondolo Exp $
 */

package net.jxta.protocol;

import org.apache.log4j.Level;
import org.apache.log4j.Logger;

import net.jxta.credential.Credential;
import net.jxta.document.Advertisement;
import net.jxta.document.ExtendableAdvertisement;

/**
 * A container for signed Advertisements
 *
 **/
public abstract class SignedAdvertisement extends ExtendableAdvertisement {
    
    /**
     *  Log4J Logger
     **/
    private static final Logger LOG = Logger.getLogger(SignedAdvertisement.class.getName());
    
    protected Credential signer = null;
    
    protected Advertisement adv = null;
    
    /**
     *  Returns the identifying type of this Advertisement.
     *
     * @return String the type of advertisement
     **/
    public static String getAdvertisementType() {
        return "jxta:SA" ;
    }
    
    /**
     * {@inheritDoc}
     **/
    public final String getBaseAdvType() {
        return getAdvertisementType();
    }
    
    /**
     *  Gets the Advertisement.
     **/
    public Advertisement getAdvertisement( ) {
        return adv;
    }
    
    /**
     *  Sets the Advertisement to be signed.
     **/
    public void setAdvertisement( Advertisement adv ) {
        this.adv = adv;
    }
    
    /**
     *  Returns the credential which signed the advertisement.
     **/
    public Credential getSigner( ) {
        return signer;
    }
    
    /**
     *  Sets the Credential which will sign the advertisement.
     **/
    public void setSigner( Credential cred ) {
        signer = cred;
    }
}