org.jmxtrans.agent.util

Class Preconditions2

java.lang.Object

org.jmxtrans.agent.util.Preconditions2

public class Preconditions2
extends Object

Inspired by com.google.common.base.Preconditions

Author:

Cyrille Le Clerc

Method Summary

Modifier and Type	Method and Description
static void	checkArgument(boolean expression)
static void	checkArgument(boolean expression, String msg)
static void	checkArgument(boolean expression, String msgFormat, Object... msgArgs)
static String	checkNotEmpty(String str)
static <T> T	checkNotNull(T t)
static <T> T	checkNotNull(T reference, String message) Check the nullity of the given reference.

Methods inherited from class java.lang.Object

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

Method Detail

checkNotNull

public static <T> T checkNotNull(T t)

checkNotNull

public static <T> T checkNotNull(T reference,
                                 @Nullable
                                 String message)
                          throws NullPointerException

Check the nullity of the given reference.

Parameters:

reference - reference to check

message - exception message, can be null

Returns:

the given reference

Throws:

NullPointerException - if the given reference is null

checkNotEmpty

public static String checkNotEmpty(String str)

checkArgument

public static void checkArgument(boolean expression)
                          throws IllegalArgumentException

Throws:

IllegalArgumentException

checkArgument

public static void checkArgument(boolean expression,
                                 @Nullable
                                 String msg)
                          throws IllegalArgumentException

Throws:

IllegalArgumentException

checkArgument

public static void checkArgument(boolean expression,
                                 @Nullable
                                 String msgFormat,
                                 Object... msgArgs)
                          throws IllegalArgumentException

Parameters:

expression -

msgFormat -

msgArgs -

Throws:

IllegalArgumentException

See Also:

String.format(String, Object...)