/*
* JORAM: Java(TM) Open Reliable Asynchronous Messaging
* Copyright (C) 2003 - 2010 ScalAgent Distributed Technologies
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
* USA.
*
* Initial developer(s): Frederic Maistre (INRIA)
* Contributor(s): ScalAgent Distributed Technologies
*/
package org.objectweb.joram.shared.admin;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.Enumeration;
import java.util.Hashtable;
import fr.dyade.aaa.common.stream.StreamUtil;
/**
* A <code>Monitor_GetUsersRep</code> instance replies to a get users,
* readers or writers monitoring request.
*/
public class GetUsersReply extends AdminReply {
private static final long serialVersionUID = 1L;
/** Table holding the users identifications. */
private Hashtable users;
/**
* Constructs a <code>Monitor_GetUsersRep</code> instance.
*/
public GetUsersReply(Hashtable users) {
super(true, null);
this.users = users;
}
/** Returns the users table. */
public Hashtable getUsers() {
return users;
}
public GetUsersReply() {}
protected int getClassId() {
return GET_USERS_REPLY;
}
public void readFrom(InputStream is) throws IOException {
super.readFrom(is);
int size = StreamUtil.readIntFrom(is);
if (size == -1) {
users = null;
} else {
users = new Hashtable(size*4/3);
for (int i=0; i< size; i++) {
String key = StreamUtil.readStringFrom(is);
String value = StreamUtil.readStringFrom(is);
users.put(key, value);
}
}
}
public void writeTo(OutputStream os) throws IOException {
super.writeTo(os);
if (users == null) {
StreamUtil.writeTo(-1, os);
} else {
int size = users.size();
StreamUtil.writeTo(size, os);
for (Enumeration keys = users.keys(); keys.hasMoreElements(); ) {
String key = (String) keys.nextElement();
StreamUtil.writeTo(key, os);
String value = (String) users.get(key);
StreamUtil.writeTo(value, os);
}
}
}
}