Convert IBM Websphere MQ reason codes to their human-readable description string

MQReasonCodes.java

import java.lang.reflect.Field;
import java.lang.reflect.Modifier;

import com.ibm.mq.constants.CMQC;

public class MQReasonCodes {

	/* Use reflection on the CMQC class to fetch a human readable description of the
	   MQ reason code (e.g. getReason(2035) will return "MQRC_NOT_AUTHORIZED"). If the
	   reason code rc is not found, null will be returned */
	public static String getReason(int rc) {
		for (Field f: CMQC.class.getDeclaredFields()) try {
			if (Modifier.isStatic(f.getModifiers()) && f.getType() == int.class
					&& f.getName().startsWith("MQRC") && f.getInt(null) == rc)
				return f.getName();
		} catch (Exception e) {	}
		return null;
	}
	
}

Thanks for snippet. It helped me a lot.