/*

* Copyright 2014 Klaus Reimer <k@ailis.de>

* See LICENSE.md for licensing information.

*/

package org.usb4java;

/**

* A runtime exception which automatically outputs the libusb error string.

*

* @author Klaus Reimer (k@ailis.de)

*/

public final class LibUsbException extends RuntimeException

{

/** Serial version UID. */

private static final long serialVersionUID = 1L;

/** The libusb error code. */

private final int errorCode;

/**

* Constructs a libusb exception which just outputs the error code and

* the error message from libusb.

*

* @param errorCode

* The error code.

*/

public LibUsbException(final int errorCode)

{

super(String.format("USB error %d: %s", -errorCode,

LibUsb.strError(errorCode)));

this.errorCode = errorCode;

}

/**

* Constructs a libusb exception which outputs the error code and

* the error message from libusb together with a custom error message.

*

* @param message

* The error message.

* @param errorCode

* The error code.

*/

public LibUsbException(final String message, final int errorCode)

{

super(String.format("USB error %d: %s: %s", -errorCode, message,

LibUsb.strError(errorCode)));

this.errorCode = errorCode;

}

/**

* Returns the error code.

*

* @return The error code

*/

public int getErrorCode()

{

return this.errorCode;

}

}