org.jodconverter.core.util

Class AssertUtils

java.lang.Object

org.jodconverter.core.util.AssertUtils

public final class AssertUtils
extends Object

Contains assertions helper functions.

Method Summary

Modifier and Type	Method and Description
static void	isTrue(boolean expression, @NonNull String message) Validates that the argument condition is true.
static void	notBlank(@Nullable String str, @NonNull String message) Validates that the specified string is neither null, nor empty, nor blank (only whitespace).
static <T> void	notEmpty(@Nullable Collection<T> collection, @NonNull String message) Validates that the specified argument collection is neither null nor empty.
static void	notEmpty(@Nullable String str, @NonNull String message) Validates that the specified string is neither null nor empty.
static <T> void	notEmpty(T[] array, @NonNull String message) Validates that the specified argument array is neither null nor empty.
static void	notNull(@Nullable Object object, @NonNull String message) Validates that the specified argument is not null.

Methods inherited from class java.lang.Object

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

Method Detail

isTrue

public static void isTrue(boolean expression,
                          @NonNull String message)

Validates that the argument condition is true.

Parameters:

expression - The boolean expression to validate.

message - The exception message to use if the assertion fails.

Throws:

IllegalArgumentException - If expression is false.

notBlank

public static void notBlank(@Nullable String str,
                            @NonNull String message)

Validates that the specified string is neither null, nor empty, nor blank (only whitespace).

Parameters:

str - The string to validate.

message - The exception message to use if the assertion fails.

Throws:

NullPointerException - If the string is null

IllegalArgumentException - If the string is blank.

notEmpty

public static <T> void notEmpty(@Nullable Collection<T> collection,
                                @NonNull String message)

Validates that the specified argument collection is neither null nor empty.

Type Parameters:

T - The type of the elements in the collection.

Parameters:

collection - The collection to validate.

message - The exception message to use if the assertion fails.

Throws:

NullPointerException - If the collection is null.

IllegalArgumentException - If the collection is empty.

notEmpty

public static <T> void notEmpty(T[] array,
                                @NonNull String message)

Validates that the specified argument array is neither null nor empty.

Type Parameters:

T - The type of the elements in the array.

Parameters:

array - The array to validate.

message - The exception message to use if the assertion fails.

Throws:

NullPointerException - If the array is null

IllegalArgumentException - If the array is empty.

notEmpty

public static void notEmpty(@Nullable String str,
                            @NonNull String message)

Validates that the specified string is neither null nor empty.

Parameters:

str - The string to validate.

message - The exception message to use if the assertion fails.

Throws:

NullPointerException - If the string is null

IllegalArgumentException - If the string is empty.

notNull

public static void notNull(@Nullable Object object,
                           @NonNull String message)

Validates that the specified argument is not null.

Parameters:

object - The object to validate.

message - The exception message to use if the assertion fails.

Throws:

NullPointerException - If the object is null.