NatRunnable.java

package io.evercam.network;

import io.evercam.network.discovery.GatewayDevice;
import io.evercam.network.discovery.NatMapEntry;

import java.util.ArrayList;

public abstract class NatRunnable implements Runnable {
    String routerIp;

    public NatRunnable(String routerIp) {
	this.routerIp = routerIp;
    }

    @Override
    public void run() {
	try {
	    GatewayDevice gatewayDevice = new GatewayDevice(routerIp);
	    onFinished(gatewayDevice.getNatTableArray());
	} catch (Exception e) {
	    onFinished(null);
	    if (Constants.ENABLE_LOGGING) {
		e.printStackTrace();
	    }
	}
    }

    /**
     * Callback for NAT discovery results
     * 
     * Check if mapEntries is null before invoking it
     * 
     * @param mapEntries
     *            the discovered NAT table
     */
    public abstract void onFinished(ArrayList<NatMapEntry> mapEntries);
}