Package com.mysema.commons.lang

Class Assert

java.lang.Object

com.mysema.commons.lang.Assert

public final class Assert
extends Object

General assertion utilities

Field Summary

Fields

Modifier and Type	Field	Description
private static final String	HAS_NO_TEXT
private static final String	IS_EMPTY
private static final String	IS_FALSE
private static final String	IS_NULL
private static final String	IS_TRUE

Constructor Summary

Constructors

Modifier	Constructor	Description
private	Assert()

Method Summary

Modifier and Type	Method	Description
static <T> T	assertThat(boolean condition, String propOrMsg, String msgSuffix, T rv)	General assertion mwthos
static String	hasLength(String str, String propOrMsg)	Assert that the given String is not empty
static String	hasText(String str, String propOrMsg)	Assert that the given String has actual non-whitepsace text.
static boolean	isFalse(boolean condition, String propOrMsg)	Assert that the given condition is true
static boolean	isTrue(boolean condition, String propOrMsg)	Assert that the given condition is true
static <C extends Collection<?>> C	notEmpty(C col, String propOrMsg)	Assert that the given Collection is not empty
static <M extends Map<?, ?>> M	notEmpty(M map, String propOrMsg)	Assert that the given Map is not empty
static <T> T[]	notEmpty(T[] objects, String propOrMsg)	Assert that the given array is not empty
static <T> T	notNull(T object, String propOrMsg)	Assert that the given object is not null

Methods inherited from class java.lang.Object

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

Field Details

IS_FALSE

private static final String IS_FALSE

See Also:

• Constant Field Values

IS_TRUE

private static final String IS_TRUE

See Also:

• Constant Field Values

IS_EMPTY

private static final String IS_EMPTY

See Also:

• Constant Field Values

IS_NULL

private static final String IS_NULL

See Also:

• Constant Field Values

HAS_NO_TEXT

private static final String HAS_NO_TEXT

See Also:

• Constant Field Values

Constructor Details

Assert

private Assert()

Method Details

hasText

public static String hasText(String str,
 String propOrMsg)

Assert that the given String has actual non-whitepsace text.

Parameters:

str -

propOrMsg -

Returns:

notNull

public static <T> T notNull(T object,
 String propOrMsg)

Assert that the given object is not null

Type Parameters:

T -

Parameters:

object -

propOrMsg -

Returns:

hasLength

public static String hasLength(String str,
 String propOrMsg)

Assert that the given String is not empty

Parameters:

str -

propOrMsg -

Returns:

notEmpty

public static <T> T[] notEmpty(T[] objects,
 String propOrMsg)

Assert that the given array is not empty

Type Parameters:

T -

Parameters:

objects -

propOrMsg -

Returns:

notEmpty

public static <M extends Map<?,
?>> M notEmpty(M map,
 String propOrMsg)

Assert that the given Map is not empty

Type Parameters:

M -

Parameters:

map -

propOrMsg -

Returns:

notEmpty

public static <C extends Collection<?>> C notEmpty(C col,
 String propOrMsg)

Assert that the given Collection is not empty

Type Parameters:

C -

Parameters:

col -

propOrMsg -

Returns:

isTrue

public static boolean isTrue(boolean condition,
 String propOrMsg)

Assert that the given condition is true

Parameters:

condition -

propOrMsg -

Returns:

isFalse

public static boolean isFalse(boolean condition,
 String propOrMsg)

Assert that the given condition is true

Parameters:

condition -

propOrMsg -

Returns:

assertThat

public static <T> T assertThat(boolean condition,
 String propOrMsg,
 String msgSuffix,
 T rv)

General assertion mwthos

Type Parameters:

T -

Parameters:

condition -

propOrMsg -

msgSuffix -

rv -

Returns: