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/*
* Copyright (c) 2001-2007 Sun Microsystems, Inc. All rights reserved.
*
* The Sun Project JXTA(TM) Software License
*
* 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 Sun Microsystems, Inc. for JXTA(TM) technology."
* 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.
*
* JXTA is a registered trademark of Sun Microsystems, Inc. in the United
* States and other countries.
*
* Please see the license information page at :
* for instructions on use of
* the license in source files.
*
* ====================================================================
*
* 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.discovery;
import java.util.Enumeration;
import java.io.IOException;
import net.jxta.discovery.DiscoveryListener;
import net.jxta.discovery.DiscoveryService;
import net.jxta.document.Advertisement;
import net.jxta.id.ID;
import net.jxta.peergroup.PeerGroup;
import net.jxta.service.Service;
/**
* Provides a pure interface object that permits interaction with the actual
* Discovery Service implementation without giving access to the real object.
*/
public final class DiscoveryServiceInterface implements DiscoveryService {
private DiscoveryServiceImpl impl;
/**
* Only authorized constructor
*
* @param theRealThing The actual discovery implementation
*/
protected DiscoveryServiceInterface(DiscoveryServiceImpl theRealThing) {
impl = theRealThing;
}
/**
* {@inheritDoc}
*/
public Service getInterface() {
return this;
}
/**
* {@inheritDoc}
*/
public Advertisement getImplAdvertisement() {
return impl.getImplAdvertisement();
}
/**
* {@inheritDoc}
*
* FIXME: This is meaningless for the interface object;
* it is there only to satisfy the requirements of the
* interface that we implement. Ultimately, the API should define
* two levels of interfaces: one for the real service implementation
* and one for the interface object. Right now it feels a bit heavy
* to so that since the only different between the two would be
* init() and may-be getName().
*/
public void init(PeerGroup pg, ID assignedID, Advertisement impl) {}
/**
* {@inheritDoc}
*
* This is here for temporary class hierarchy reasons.
* it is ALWAYS ignored. By definition, the interface object
* protects the real object's start/stop methods from being called
*/
public int startApp(String[] arg) {
return 0;
}
/**
* {@inheritDoc}
*
* This is here for temporary class hierarchy reasons.
* it is ALWAYS ignored. By definition, the interface object
* protects the real object's start/stop methods from being called
*
* This request is currently ignored.
*/
public void stopApp() {}
/**
* {@inheritDoc}
*/
public int getRemoteAdvertisements(String peer, int type, String attribute, String value, int threshold) {
return impl.getRemoteAdvertisements(peer, type, attribute, value, threshold);
}
/**
* {@inheritDoc}
*/
public int getRemoteAdvertisements(String peer, int type, String attribute, String value, int threshold, DiscoveryListener listener) {
return impl.getRemoteAdvertisements(peer, type, attribute, value, threshold, listener);
}
/**
* {@inheritDoc}
*/
public Enumeration getLocalAdvertisements(int type, String attribute, String value) throws IOException {
return impl.getLocalAdvertisements(type, attribute, value);
}
/**
* {@inheritDoc}
*/
public void flushAdvertisement(Advertisement adv) throws IOException {
impl.flushAdvertisement(adv);
}
/**
* {@inheritDoc}
*/
public void flushAdvertisements(String id, int type) throws IOException {
impl.flushAdvertisements(id, type);
}
/**
* {@inheritDoc}
*/
public long getAdvExpirationTime(ID id, int type) {
return impl.getAdvExpirationTime(id, type);
}
/**
* {@inheritDoc}
*/
public long getAdvLifeTime(ID id, int type) {
return impl.getAdvLifeTime(id, type);
}
/**
* {@inheritDoc}
*/
public long getAdvExpirationTime(Advertisement adv) {
return impl.getAdvExpirationTime(adv);
}
/**
* {@inheritDoc}
*/
public long getAdvLifeTime(Advertisement adv) {
return impl.getAdvLifeTime(adv);
}
/**
* {@inheritDoc}
*/
public void publish(Advertisement adv) throws IOException {
impl.publish(adv);
}
/**
* {@inheritDoc}
*/
public void publish(Advertisement adv, long lifetime, long expiration) throws IOException {
impl.publish(adv, lifetime, expiration);
}
/**
* {@inheritDoc}
*/
public void remotePublish(Advertisement adv) {
impl.remotePublish(adv);
}
/**
* {@inheritDoc}
*/
public void remotePublish(Advertisement adv, long expiration) {
impl.remotePublish(adv, expiration);
}
/**
* {@inheritDoc}
*/
public void remotePublish(String peerid, Advertisement adv) {
impl.remotePublish(peerid, adv);
}
/**
* {@inheritDoc}
*/
public void remotePublish(String peerid, Advertisement adv, long expiration) {
impl.remotePublish(peerid, adv, expiration);
}
/**
* {@inheritDoc}
*/
public synchronized void addDiscoveryListener(DiscoveryListener listener) {
impl.addDiscoveryListener(listener);
}
/**
* {@inheritDoc}
*/
public synchronized boolean removeDiscoveryListener(DiscoveryListener listener) {
return (impl.removeDiscoveryListener(listener));
}
}