/*
 * Copyright 2006 - 2013
 *     Stefan Balev     <stefan.balev@graphstream-project.org>
 *     Julien Baudry    <julien.baudry@graphstream-project.org>
 *     Antoine Dutot    <antoine.dutot@graphstream-project.org>
 *     Yoann Pigné      <yoann.pigne@graphstream-project.org>
 *     Guilhelm Savin   <guilhelm.savin@graphstream-project.org>
 * 
 * This file is part of GraphStream <http://graphstream-project.org>.
 * 
 * GraphStream is a library whose purpose is to handle static or dynamic
 * graph, create them from scratch, file or any source and display them.
 * 
 * This program is free software distributed under the terms of two licenses, the
 * CeCILL-C license that fits European law, and the GNU Lesser General Public
 * License. You can  use, modify and/ or redistribute the software under the terms
 * of the CeCILL-C license as circulated by CEA, CNRS and INRIA at the following
 * URL <http://www.cecill.info> or under the terms of the GNU LGPL as published by
 * the Free Software Foundation, either version 3 of the License, or (at your
 * option) any later version.
 * 
 * This program 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 program.  If not, see <http://www.gnu.org/licenses/>.
 * 
 * The fact that you are presently reading this means that you have had
 * knowledge of the CeCILL-C and LGPL licenses and that you accept their terms.
 */
package org.graphstream.stream.rmi;

import java.rmi.Naming;
import java.rmi.RemoteException;
import java.rmi.server.UnicastRemoteObject;
import java.util.concurrent.ConcurrentHashMap;

import org.graphstream.stream.Sink;

public class RMISink extends UnicastRemoteObject implements RMIAdapterOut, Sink {
        private static final long serialVersionUID = 23444722897331612L;

        ConcurrentHashMap<String, RMIAdapterIn> inputs;

        public RMISink() throws RemoteException {
                super();
                inputs = new ConcurrentHashMap<String, RMIAdapterIn>();
        }

        public RMISink(String name) throws RemoteException {
                this();
                bind(name);
        }

        public void bind(String name) {
                try {
                        Naming.rebind(String.format("//localhost/%s", name), this);
                } catch (Exception e) {
                        e.printStackTrace();
                }
        }

        public void register(String url) throws RemoteException {
                try {
                        RMIAdapterIn in = (RMIAdapterIn) Naming.lookup(url);

                        if (in != null)
                                inputs.put(url, in);
                } catch (Exception e) {
                        e.printStackTrace();
                }
        }

        public void unregister(String url) throws RemoteException {
                if (inputs.containsKey(url))
                        inputs.remove(url);
        }

        public void edgeAttributeAdded(String graphId, long timeId, String edgeId,
                        String attribute, Object value) {
                for (RMIAdapterIn in : inputs.values()) {
                        try {
                                in.edgeAttributeAdded(graphId, timeId, edgeId, attribute, value);
                        } catch (Exception e) {
                                e.printStackTrace();
                        }
                }
        }

        public void edgeAttributeChanged(String graphId, long timeId,
                        String edgeId, String attribute, Object oldValue, Object newValue) {
                for (RMIAdapterIn in : inputs.values()) {
                        try {
                                in.edgeAttributeChanged(graphId, timeId, edgeId, attribute,
                                                oldValue, newValue);
                        } catch (Exception e) {
                                e.printStackTrace();
                        }
                }
        }

        public void edgeAttributeRemoved(String graphId, long timeId,
                        String edgeId, String attribute) {
                for (RMIAdapterIn in : inputs.values()) {
                        try {
                                in.edgeAttributeRemoved(graphId, timeId, edgeId, attribute);
                        } catch (Exception e) {
                                e.printStackTrace();
                        }
                }
        }

        public void graphAttributeAdded(String graphId, long timeId,
                        String attribute, Object value) {
                for (RMIAdapterIn in : inputs.values()) {
                        try {
                                in.graphAttributeAdded(graphId, timeId, attribute, value);
                        } catch (Exception e) {
                                e.printStackTrace();
                        }
                }
        }

        public void graphAttributeChanged(String graphId, long timeId,
                        String attribute, Object oldValue, Object newValue) {
                for (RMIAdapterIn in : inputs.values()) {
                        try {
                                in.graphAttributeChanged(graphId, timeId, attribute, oldValue,
                                                newValue);
                        } catch (Exception e) {
                                e.printStackTrace();
                        }
                }
        }

        public void graphAttributeRemoved(String graphId, long timeId,
                        String attribute) {
                for (RMIAdapterIn in : inputs.values()) {
                        try {
                                in.graphAttributeRemoved(graphId, timeId, attribute);
                        } catch (Exception e) {
                                e.printStackTrace();
                        }
                }
        }

        public void nodeAttributeAdded(String graphId, long timeId, String nodeId,
                        String attribute, Object value) {
                for (RMIAdapterIn in : inputs.values()) {
                        try {
                                in.nodeAttributeAdded(graphId, timeId, nodeId, attribute, value);
                        } catch (Exception e) {
                                e.printStackTrace();
                        }
                }
        }

        public void nodeAttributeChanged(String graphId, long timeId,
                        String nodeId, String attribute, Object oldValue, Object newValue) {
                for (RMIAdapterIn in : inputs.values()) {
                        try {
                                in.nodeAttributeChanged(graphId, timeId, nodeId, attribute,
                                                oldValue, newValue);
                        } catch (Exception e) {
                                e.printStackTrace();
                        }
                }
        }

        public void nodeAttributeRemoved(String graphId, long timeId,
                        String nodeId, String attribute) {
                for (RMIAdapterIn in : inputs.values()) {
                        try {
                                in.nodeAttributeRemoved(graphId, timeId, nodeId, attribute);
                        } catch (Exception e) {
                                e.printStackTrace();
                        }
                }
        }

        public void edgeAdded(String graphId, long timeId, String edgeId,
                        String fromNodeId, String toNodeId, boolean directed) {
                for (RMIAdapterIn in : inputs.values()) {
                        try {
                                in.edgeAdded(graphId, timeId, edgeId, fromNodeId, toNodeId,
                                                directed);
                        } catch (Exception e) {
                                e.printStackTrace();
                        }
                }
        }

        public void edgeRemoved(String graphId, long timeId, String edgeId) {
                for (RMIAdapterIn in : inputs.values()) {
                        try {
                                in.edgeRemoved(graphId, timeId, edgeId);
                        } catch (Exception e) {
                                e.printStackTrace();
                        }
                }
        }

        public void graphCleared(String graphId, long timeId) {
                for (RMIAdapterIn in : inputs.values()) {
                        try {
                                in.graphCleared(graphId, timeId);
                        } catch (Exception e) {
                                e.printStackTrace();
                        }
                }
        }

        public void nodeAdded(String graphId, long timeId, String nodeId) {
                for (RMIAdapterIn in : inputs.values()) {
                        try {
                                in.nodeAdded(graphId, timeId, nodeId);
                        } catch (Exception e) {
                                e.printStackTrace();
                        }
                }
        }

        public void nodeRemoved(String graphId, long timeId, String nodeId) {
                for (RMIAdapterIn in : inputs.values()) {
                        try {
                                in.nodeRemoved(graphId, timeId, nodeId);
                        } catch (Exception e) {
                                e.printStackTrace();
                        }
                }
        }

        public void stepBegins(String graphId, long timeId, double step) {
                for (RMIAdapterIn in : inputs.values()) {
                        try {
                                in.stepBegins(graphId, timeId, step);
                        } catch (Exception e) {
                                e.printStackTrace();
                        }
                }
        }
}