2 * Copyright (c) 2001-2004 Sun Microsystems, Inc. All rights reserved.
4 * The Sun Project JXTA(TM) Software License
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions are met:
9 * 1. Redistributions of source code must retain the above copyright notice,
10 * this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright notice,
13 * this list of conditions and the following disclaimer in the documentation
14 * and/or other materials provided with the distribution.
16 * 3. The end-user documentation included with the redistribution, if any, must
17 * include the following acknowledgment: "This product includes software
18 * developed by Sun Microsystems, Inc. for JXTA(TM) technology."
19 * Alternately, this acknowledgment may appear in the software itself, if
20 * and wherever such third-party acknowledgments normally appear.
22 * 4. The names "Sun", "Sun Microsystems, Inc.", "JXTA" and "Project JXTA" must
23 * not be used to endorse or promote products derived from this software
24 * without prior written permission. For written permission, please contact
25 * Project JXTA at http://www.jxta.org.
27 * 5. Products derived from this software may not be called "JXTA", nor may
28 * "JXTA" appear in their name, without prior written permission of Sun.
30 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES,
31 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
32 * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL SUN
33 * MICROSYSTEMS OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
34 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
35 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
36 * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
37 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
38 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
39 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
41 * JXTA is a registered trademark of Sun Microsystems, Inc. in the United
42 * States and other countries.
44 * Please see the license information page at :
45 * <http://www.jxta.org/project/www/license.html> for instructions on use of
46 * the license in source files.
48 * ====================================================================
50 * This software consists of voluntary contributions made by many individuals
51 * on behalf of Project JXTA. For more information on Project JXTA, please see
52 * http://www.jxta.org.
54 * This license is based on the BSD license adopted by the Apache Foundation.
57 package net.jxta.impl.endpoint;
60 import java.util.Enumeration;
61 import java.util.logging.Level;
62 import java.util.logging.Logger;
63 import net.jxta.document.AdvertisementFactory;
64 import net.jxta.document.XMLElement;
65 import net.jxta.logging.Logging;
66 import net.jxta.peergroup.PeerGroup;
67 import net.jxta.protocol.PeerAdvertisement;
68 import net.jxta.protocol.RouteAdvertisement;
72 * Utility functions related to the Endpoint Service.
74 public final class EndpointUtils {
79 private static final transient Logger LOG = Logger.getLogger(EndpointUtils.class.getName());
82 * Extracts a route advertisement from a peer advertisement.
84 * @param adv The peer advertisement believed to contain a route advertisement.
85 * @return The extracted route advertisement or {@code null} if a route
86 * advertisement could not be extracted.
88 public static RouteAdvertisement extractRouteAdv(PeerAdvertisement adv) {
91 // Get its EndpointService advertisement
92 XMLElement endpParam = (XMLElement) adv.getServiceParam(PeerGroup.endpointClassID);
94 if (endpParam == null) {
95 if (Logging.SHOW_FINE && LOG.isLoggable(Level.FINE)) {
96 LOG.fine("No Endpoint Params");
101 // get the Route Advertisement element
102 Enumeration paramChilds = endpParam.getChildren(RouteAdvertisement.getAdvertisementType());
105 if (paramChilds.hasMoreElements()) {
106 param = (XMLElement) paramChilds.nextElement();
108 if (Logging.SHOW_FINE && LOG.isLoggable(Level.FINE)) {
109 LOG.fine("No Route Adv in Peer Adv");
114 // build the new route
115 RouteAdvertisement route = (RouteAdvertisement) AdvertisementFactory.newAdvertisement(param);
117 // Embedded routes often don't contain the peer id.
118 route.setDestPeerID(adv.getPeerID());
121 } catch (Exception e) {
122 if (Logging.SHOW_WARNING && LOG.isLoggable(Level.WARNING)) {
123 LOG.log(Level.WARNING, "failed to extract radv", e);