Package edu.wpi.first.util

Class ErrorMessages

java.lang.Object

edu.wpi.first.util.ErrorMessages

public final class ErrorMessages
extends Object

Utility class for common WPILib error messages.

Method Summary

Modifier and Type	Method	Description
static <T> T	requireNonNullParam(T obj, String paramName, String methodName)	Requires that a parameter of a method not be null; prints an error message with helpful debugging instructions if the parameter is null.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Details

requireNonNullParam

public static <T> T requireNonNullParam(T obj,
 String paramName,
 String methodName)

Requires that a parameter of a method not be null; prints an error message with helpful debugging instructions if the parameter is null.

Type Parameters:

T - Type of object.

Parameters:

obj - The parameter that must not be null.

paramName - The name of the parameter.

methodName - The name of the method.

Returns:

The object parameter confirmed not to be null.