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Diffstat (limited to 'protocols/bundles/ch.ethz.iks.slp/src/main/java/ch/ethz/iks/slp/impl/AdvertiserImpl.java')
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diff --git a/protocols/bundles/ch.ethz.iks.slp/src/main/java/ch/ethz/iks/slp/impl/AdvertiserImpl.java b/protocols/bundles/ch.ethz.iks.slp/src/main/java/ch/ethz/iks/slp/impl/AdvertiserImpl.java
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+++ b/protocols/bundles/ch.ethz.iks.slp/src/main/java/ch/ethz/iks/slp/impl/AdvertiserImpl.java
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+/* Copyright (c) 2005-2007 Jan S. Rellermeyer
+ * Information and Communication Systems Research Group (IKS),
+ * Department of Computer Science, ETH Zurich.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * - Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * - 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.
+ * - Neither the name of ETH Zurich nor the names of its contributors may be
+ * used to endorse or promote products derived from this software without
+ * specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS 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 COPYRIGHT OWNER OR 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.
+ */
+package ch.ethz.iks.slp.impl;
+
+import java.net.InetAddress;
+import java.net.UnknownHostException;
+import java.util.Dictionary;
+import java.util.List;
+import java.util.Locale;
+import ch.ethz.iks.slp.Advertiser;
+import ch.ethz.iks.slp.ServiceLocationException;
+import ch.ethz.iks.slp.ServiceURL;
+
+/**
+ * Implementation of the Advertiser that provides SLP SA functionality. If the
+ * configuration does not have to support SA functionalities, this class does
+ * not have to be included in the distribution.
+ *
+ * @see ch.ethz.iks.slp.Advertiser
+ * @author Jan S. Rellermeyer, IKS, ETH Zurich
+ * @since 0.1
+ */
+public final class AdvertiserImpl implements Advertiser {
+
+ /**
+ * the locale of this instance. Will be used for all messages created by
+ * this Advertiser instance.
+ */
+ private Locale locale;
+
+ /**
+ * Constructor for AdvertiserImpl.
+ */
+ public AdvertiserImpl() {
+ locale = SLPCore.DEFAULT_LOCALE;
+ }
+
+ /**
+ * Constructor for AdvertiserImpl.
+ *
+ * @param theLocale
+ * Locale.
+ */
+ public AdvertiserImpl(final Locale locale) {
+ this.locale = locale;
+ }
+
+ /**
+ * Get the locale of this instance.
+ *
+ * @return Locale.
+ * @see Advertiser#getLocale()
+ */
+ public Locale getLocale() {
+ return locale;
+ }
+
+ /**
+ * Set the locale of this instance.
+ *
+ * @param locale
+ * the Locale.
+ * @see Advertiser#setLocale()
+ */
+ public void setLocale(final Locale locale) {
+ this.locale = locale;
+ }
+
+ /**
+ * register a new service with the framework.
+ *
+ * @param url
+ * the ServiceURL of the service.
+ * @param attributes
+ * a Dictionary of attributes.
+ * @throws ServiceLocationException
+ * if the registration has failed for any reason.
+ * @see Advertiser#register(ServiceURL, Dictionary)
+ */
+ public void register(final ServiceURL url, final Dictionary attributes)
+ throws ServiceLocationException {
+ register(url, null, attributes);
+ }
+
+ /**
+ * register a new service with the framework using scopes.
+ *
+ * @param url
+ * the ServiceURL of the service.
+ * @param scopes
+ * a List of scopes.
+ * @param attributes
+ * a Dictionary of attributes.
+ * @throws ServiceLocationException
+ * if the registration has failed for any reason.
+ * @see Advertiser#register(ServiceURL, List, Dictionary)
+ */
+ public void register(final ServiceURL url, final List scopes,
+ final Dictionary attributes) throws ServiceLocationException {
+ ServiceRegistration reg = new ServiceRegistration(url, url
+ .getServiceType(), scopes, SLPUtils.dictToAttrList(attributes),
+ locale);
+ try {
+ reg.address = InetAddress.getLocalHost();
+ } catch (UnknownHostException e) {
+ reg.address = SLPCore.getMyIP();
+ }
+ reg.port = SLPCore.SLP_PORT;
+ ServiceAcknowledgement ack = (ServiceAcknowledgement) SLPCore
+ .sendMessage(reg, true);
+ if (ack.errorCode != 0) {
+ throw new ServiceLocationException((short) ack.errorCode,
+ "Registration failed");
+ }
+ }
+
+ /**
+ * deregister a service.
+ *
+ * @param url
+ * the ServiceURL of the service.
+ * @throws ServiceLocationException
+ * if the deregistration has failed for any reason.
+ * @see Advertiser#deregister(ServiceURL)
+ */
+ public void deregister(final ServiceURL url)
+ throws ServiceLocationException {
+ deregister(url, null);
+ }
+
+ /**
+ * deregister a service in some scopes.
+ *
+ * @param url
+ * the ServiceURL of the service.
+ * @param scopes
+ * the scopes.
+ * @throws ServiceLocationException
+ * if the deregistration has failed for any reason.
+ * @see Advertiser#deregister(ServiceURL, List)
+ * @since 0.7.1
+ */
+
+ public void deregister(final ServiceURL url, final List scopes)
+ throws ServiceLocationException {
+ ServiceDeregistration dereg = new ServiceDeregistration(url, scopes,
+ null, locale);
+ try {
+ dereg.address = InetAddress.getLocalHost();
+ } catch (UnknownHostException e) {
+ dereg.address = SLPCore.getMyIP();
+ }
+ dereg.port = SLPCore.SLP_PORT;
+ ServiceAcknowledgement ack = (ServiceAcknowledgement) SLPCore
+ .sendMessage(dereg, true);
+ if (ack.errorCode != 0) {
+ throw new ServiceLocationException((short) ack.errorCode,
+ "Deregistration failed");
+ }
+ }
+
+ /**
+ * currently not supported.
+ *
+ * @see Advertiser#addAttributes(ServiceURL, Dictionary)
+ * @param url
+ * the serviceURL
+ * @param attributes
+ * the attributes to add.
+ * @throws ServiceLocationException
+ * always.
+ */
+ public void addAttributes(final ServiceURL url, final Dictionary attributes)
+ throws ServiceLocationException {
+ throw new ServiceLocationException(
+ ServiceLocationException.NOT_IMPLEMENTED,
+ "incremental registration not supported");
+ }
+
+ /**
+ * currently not supported.
+ *
+ * @see Advertiser#deleteAttributes(ServiceURL, Dictionary)
+ * @param url
+ * the serviceURL.
+ * @param attributes
+ * the attributes to delete.
+ * @throws ServiceLocationException
+ * always.
+ */
+ public void deleteAttributes(final ServiceURL url,
+ final Dictionary attributes) throws ServiceLocationException {
+ throw new ServiceLocationException(
+ ServiceLocationException.NOT_IMPLEMENTED,
+ "incremental registration not supported");
+ }
+
+ /**
+ * Get the IP address of this machine that is configured as primary jSLP
+ * address. Can be used to register Services that are located on this host.
+ *
+ * @return the local InetAddress.
+ */
+ public InetAddress getMyIP() {
+ try {
+ return SLPCore.getMyIP();
+ } catch (Exception e) {
+ return null;
+ }
+ }
+}

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