osd-contiki/tools/cooja/java/se/sics/cooja/IPDistributor.java
2007-01-10 14:57:42 +00:00

77 lines
2.9 KiB
Java

/*
* Copyright (c) 2006, Swedish Institute of Computer Science. 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. Neither the name of the
* Institute nor the names of its contributors may be used to endorse or promote
* products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND ANY
* EXPRESS 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 THE INSTITUTE OR 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.
*
* $Id: IPDistributor.java,v 1.2 2007/01/10 14:57:42 fros4943 Exp $
*/
package se.sics.cooja;
import java.lang.reflect.Constructor;
import java.util.Vector;
import org.apache.log4j.Logger;
/**
* A IP distributor is used for determining IP addresses of newly created motes.
*
* @see se.sics.cooja.Positioner
* @author Fredrik Osterlind
*/
public abstract class IPDistributor {
private static Logger logger = Logger.getLogger(IPDistributor.class);
/**
* This method creates an instance of the given class with the given vector as
* constructor argument. Instead of calling the constructors directly this
* method may be used.
*
* @param ipDistClass
* Class
* @param newMotes
* All motes that later should be assigned IP numbers
* @return IP distributor instance
*/
public static final IPDistributor generateIPDistributor(
Class<? extends IPDistributor> ipDistClass, Vector<Mote> newMotes) {
try {
// Generating IP distributor
Constructor constr = ipDistClass
.getConstructor(new Class[] { Vector.class });
return (IPDistributor) constr.newInstance(new Object[] { newMotes });
} catch (Exception e) {
logger.fatal("Exception when creating " + ipDistClass + ": " + e);
return null;
}
}
/**
* Returns the next mote IP address.
*
* @return IP Address
*/
public abstract String getNextIPAddress();
}