GraphFactory.java
/*
* 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.graph;
/**
* An interface aimed at dynamically creating graph objects based on a class
* name.
*
* @since september 2007
*/
public class GraphFactory {
/**
* Create a new instance of graph.
*/
public GraphFactory() {
}
/**
* Instantiate a new graph from the given class name.
*
* @return A graph instance or null if the graph class was not found.
*/
public Graph newInstance(String id, String graphClass) {
try {
String completeGraphClass;
if (graphClass.split("[.]").length < 2) {
completeGraphClass = "org.graphstream.graph.implementations"
+ graphClass;
} else {
completeGraphClass = graphClass;
}
// Graph res = (Graph) Class.forName( completeGraphClass
// ).newInstance();
// res.setId( id );
Class<?> clazz = Class.forName(completeGraphClass);
Graph res = (Graph) clazz.getConstructor(String.class).newInstance(
id);
return res;
} catch (InstantiationException e) {
System.out
.println("GraphFactory newInstance InstantiationException : "
+ e.getMessage());
} catch (ClassNotFoundException e) {
System.out
.println("GraphFactory newInstance ClassNotFoundException : "
+ e.getMessage());
} catch (IllegalAccessException e) {
System.out
.println("GraphFactory newInstance IllegalAccessException : "
+ e.getMessage());
} catch (NoSuchMethodException e) {
System.out
.println("GraphFactory newInstance NoSuchMethodException : "
+ e.getMessage());
} catch (java.lang.reflect.InvocationTargetException e) {
System.out
.println("GraphFactory newInstance InvocationTargetException : "
+ e.getMessage());
}
return null;
}
}