org.mule.runtime.api.util

Class Preconditions

java.lang.Object

org.mule.runtime.api.util.Preconditions

public class Preconditions
extends Object

Utility class to validate Preconditions

Constructor Summary

Constructors

Constructor and Description
Preconditions()

Method Summary

Modifier and Type	Method and Description
static void	checkArgument(boolean condition, String message)
static <T> T	checkNotNull(T reference, String errorMessage) Ensures that an object reference passed as a parameter to the calling method is not null.
static void	checkState(boolean condition, String message)

Methods inherited from class java.lang.Object

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

Constructor Detail

Preconditions

public Preconditions()

Method Detail

checkArgument

public static void checkArgument(boolean condition,
                                 String message)

Parameters:

condition - Condition that the argument must satisfy

message - The Message of the exception in case the condition is invalid

checkState

public static void checkState(boolean condition,
                              String message)

Parameters:

condition - Condition that must be satisfied

message - The Message of the exception in case the condition is invalid

checkNotNull

public static <T> T checkNotNull(T reference,
                                 String errorMessage)

Ensures that an object reference passed as a parameter to the calling method is not null.

Parameters:

reference - an object reference

errorMessage - the exception message to use if the check fails

Returns:

the non-null reference that was validated

Throws:

NullPointerException - if reference is null