TellstickException.java

/**
 * Copyright (c) 2010-2016 by the respective copyright holders.
 *
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 */
package org.openhab.binding.tellstick.internal.device;

import org.openhab.binding.tellstick.internal.JNA;

import com.sun.jna.Pointer;

/**
 * An generic tellstick exception.
 *
 * @author jarlebh
 * @since 1.5.0
 */
public class TellstickException extends Exception {

    /**
     * 
     */
    private static final long serialVersionUID = 1L;

    protected TellstickDevice dev;

    protected int errorcode;

    public TellstickException(TellstickDevice dev, int errorcode) {
        super();
        this.dev = dev;
        this.errorcode = errorcode;
    }

    @Override
    public String getMessage() {
        Pointer errorP = JNA.CLibrary.INSTANCE.tdGetErrorString(errorcode);
        String error = errorP.getString(0);
        JNA.CLibrary.INSTANCE.tdReleaseString(errorP);
        return dev.getName() + ": " + error;
    }

}