/*
* 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: newpgrp.java,v 1.9 2007/02/09 23:12:47 hamada Exp $
*/
package net.jxta.impl.shell.bin.newpgrp;
import net.jxta.discovery.DiscoveryService;
import net.jxta.document.AdvertisementFactory;
import net.jxta.id.IDFactory;
import net.jxta.impl.shell.GetOpt;
import net.jxta.impl.shell.ShellApp;
import net.jxta.impl.shell.ShellEnv;
import net.jxta.impl.shell.ShellObject;
import net.jxta.peergroup.PeerGroup;
import net.jxta.peergroup.PeerGroupID;
import net.jxta.protocol.ModuleImplAdvertisement;
import net.jxta.protocol.PeerGroupAdvertisement;
/**
* newpgrp command creates a peer group adv
*/
public class newpgrp extends ShellApp {
private String name = null;
public newpgrp() {
}
public int startApp(String[] argv) {
boolean parentInID = false;
boolean ownModuleSpecID = false;
String idFormat = null;
ShellEnv env = getEnv();
GetOpt options = new GetOpt(argv, 0, "n:psi:");
while (true) {
int option;
try {
option = options.getNextOption();
} catch (IllegalArgumentException badopt) {
consoleMessage("Illegal argument :" + badopt);
return syntaxError();
}
if (-1 == option) {
break;
}
switch (option) {
case'n':
name = options.getOptionArg();
break;
case'p':
parentInID = true;
break;
case's':
ownModuleSpecID = true;
break;
case'i':
idFormat = options.getOptionArg();
break;
default:
consoleMessage("Unrecognized option");
return syntaxError();
}
}
if (null != options.getNextParameter()) {
consoleMessage("Unsupported parameter");
return syntaxError();
}
if (parentInID && (null != idFormat)) {
consoleMessage("Cannot simultaneously specify ID Format and require parent ID.");
return syntaxError();
}
try {
PeerGroup parent = (PeerGroup) env.get("stdgroup").getObject();
ModuleImplAdvertisement groupImplAdv = parent.getAllPurposePeerGroupImplAdvertisement();
if (ownModuleSpecID) {
groupImplAdv.setModuleSpecID(IDFactory.newModuleSpecID(groupImplAdv.getModuleSpecID().getBaseClass()));
}
PeerGroupAdvertisement adv = (PeerGroupAdvertisement)
AdvertisementFactory.newAdvertisement(
PeerGroupAdvertisement.getAdvertisementType());
adv.setName(name);
adv.setModuleSpecID(groupImplAdv.getModuleSpecID());
PeerGroupID gid;
if (parentInID) {
gid = IDFactory.newPeerGroupID(parent.getPeerGroupID());
} else {
if (null != idFormat)
gid = IDFactory.newPeerGroupID(idFormat);
else
gid = IDFactory.newPeerGroupID();
}
adv.setPeerGroupID(gid);
adv.setDescription("created by newpgrp");
ShellObject<PeerGroupAdvertisement> newAdv = new ShellObject<PeerGroupAdvertisement>("PeerGroup Advertisement", adv);
env.add(getReturnVariable(), newAdv);
if (ownModuleSpecID) {
if (null != name) {
groupImplAdv.setDescription("For PeerGroup " + gid + " (" + name + ")");
} else {
groupImplAdv.setDescription("For PeerGroup " + gid);
}
}
// It is necessary to publish the impl adv in order to
// be able to later instantiate the group. If we don't
// do it now, the impl adv may be lost and never
// recoverable.
DiscoveryService disco = parent.getDiscoveryService();
disco.publish(groupImplAdv);
return ShellApp.appNoError;
} catch (Throwable all) {
printStackTrace("Failure creating peer group advertisment", all);
return ShellApp.appMiscError;
}
}
@Override
public void stopApp() {
}
public int syntaxError() {
consoleMessage("Usage: newpgrp [-p | -i <idformat>] [-n <name>] [-s]");
return ShellApp.appParamError;
}
@Override
public String getDescription() {
return "Create a new peer group advertisement";
}
@Override
public void help() {
println("NAME");
println(" newpgrp - " + getDescription());
println(" ");
println("SYNOPSIS");
println(" ");
println(" newpgrp [-p | -i <idformat>] [-n <name>]");
println(" ");
println("OPTIONS");
println(" ");
println(" [-i <idformat>] The ID Format to use for the group and default for all IDs created in group.");
println(" [-n <name>] Optional name for the peer group");
println(" [-p] The parent group should be explicit in the new peer group's ID.");
println(" [-s] The created group will use a new unique ModuleSpecID.");
println(" ");
println("DESCRIPTION");
println(" ");
println(" newpgrp creates a new peer group advertisement with a random group ");
println(" id which uses the same implementataion as the current peer group. You ");
println(" can find the services of the current peergroup via the command ");
println(" 'whoami -g'.");
println(" ");
println("EXAMPLE");
println(" ");
println(" JXTA>mygroupadv = newpgrp mygroup");
println(" ");
println(" This creates a new peergroup advertisement with the name 'mygroup'. ");
println(" Before you can do anything with the peergroup you need to join the ");
println(" group via the 'join' command.");
println(" ");
println("SEE ALSO");
println(" whoami join leave peers chpgrp");
}
}