com.djrapitops.plugin.utilities

Class Verify

java.lang.Object

com.djrapitops.plugin.utilities.Verify

public class Verify
extends Object

Author:

Rsl1122

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static interface	Verify.ErrorLoader<K extends Throwable>

Constructor Summary

Constructors

Constructor and Description
Verify()

Method Summary

Modifier and Type	Method and Description
static <K extends Throwable> void	checkCondition(boolean condition, Verify.ErrorLoader<K> exception)
static <T> boolean	contains(T lookFor, Collection<T> coll) Checks if the collection contains the object if collection is not null.
static <T> boolean	contains(T lookFor, Map<T,Object> map)
static <T> boolean	contains(T lookFor, java.util.stream.Stream<T> stream) Checks if the stream contains the object.
static <T> boolean	contains(T lookFor, T... objects) Checks if the array contains the object.
static boolean	containsNull(Object... object)
static <T,K> boolean	equals(T object, K object2)
static boolean	equalsIgnoreCase(String one, String two)
static boolean	equalsOne(String toCheck, String... isEqual)
static File	existCheck(File file)
static <K extends Throwable> File	existCheck(File file, Verify.ErrorLoader<K> exception)
static boolean	exists(File file) Checks if the file exists if it is not null.
static boolean	hasPermission(String permission, ISender sender)
static <T> boolean	isEmpty(Collection<T> coll) Checks if the given parameter is empty if it is not null.
static <T,K> boolean	isEmpty(Map<T,K> map) Checks if the given parameter is empty if it is not null.
static boolean	isEmpty(String string) Checks if the given parameter is empty if it is not null.
static boolean	notNull(Object... object)
static <T> T[]	nullCheck(T... objects)
static <T> T	nullCheck(T object) Checks if the given object is null, throws exception if null.
static <T,K extends Throwable> T	nullCheck(T object, Verify.ErrorLoader<K> exception)
static <T,K extends Throwable> T[]	nullCheck(Verify.ErrorLoader<K> exception, T... objects)

Methods inherited from class java.lang.Object

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

Constructor Detail

Verify

public Verify()

Method Detail

exists

public static boolean exists(File file)

Checks if the file exists if it is not null.

Parameters:

file - File to check

Returns:

false if null or file.exists()

existCheck

public static File existCheck(File file)
                       throws IllegalArgumentException

Throws:

IllegalArgumentException

existCheck

public static <K extends Throwable> File existCheck(File file,
                                                    Verify.ErrorLoader<K> exception)
                                             throws K extends Throwable

Throws:

K extends Throwable

isEmpty

public static boolean isEmpty(String string)

Checks if the given parameter is empty if it is not null.

Parameters:

string - String.

Returns:

true if null, string.isEmpty() if not

isEmpty

public static <T> boolean isEmpty(Collection<T> coll)

Checks if the given parameter is empty if it is not null.

Type Parameters:

T - Object type variable

Parameters:

coll - Collection

Returns:

true if null, coll.isEmpty() if not

isEmpty

public static <T,K> boolean isEmpty(Map<T,K> map)

Checks if the given parameter is empty if it is not null.

Type Parameters:

T - Object type variable

K - Object type variable, not checked

Parameters:

map - Any map object

Returns:

true if null, map.isEmpty() if not

contains

public static <T> boolean contains(T lookFor,
                                   Collection<T> coll)

Checks if the collection contains the object if collection is not null.

Type Parameters:

T - Object type variable

Parameters:

lookFor - object to look for

coll - Collection to check the object for

Returns:

false if collection is null or Stream#anyMatch(Verify.equals)

contains

public static <T> boolean contains(T lookFor,
                                   java.util.stream.Stream<T> stream)

Checks if the stream contains the object.

Type Parameters:

T - Object type variable

Parameters:

lookFor - object to look for

stream - stream of objects

Returns:

Does the array contain the object.

contains

@SafeVarargs
public static <T> boolean contains(T lookFor,
                                                 T... objects)

Checks if the array contains the object.

Type Parameters:

T - Object type variable

Parameters:

lookFor - object to look for

objects - objects

Returns:

Does the array contain the object.

contains

public static <T> boolean contains(T lookFor,
                                   Map<T,Object> map)

Type Parameters:

T -

Parameters:

lookFor -

map -

Returns:

equalsIgnoreCase

public static boolean equalsIgnoreCase(String one,
                                       String two)

Parameters:

one -

two -

Returns:

equalsOne

public static boolean equalsOne(String toCheck,
                                String... isEqual)

equals

public static <T,K> boolean equals(T object,
                                   K object2)

Type Parameters:

T -

K -

Parameters:

object -

object2 -

Returns:

notNull

public static boolean notNull(Object... object)

containsNull

public static boolean containsNull(Object... object)

nullCheck

public static <T> T nullCheck(T object)
                       throws IllegalArgumentException

Checks if the given object is null, throws exception if null.

Type Parameters:

T - Object type variable

Parameters:

object - Object to check

Returns:

the original object

Throws:

NullPointerException - If the object is null.

IllegalArgumentException

nullCheck

public static <T,K extends Throwable> T nullCheck(T object,
                                                  Verify.ErrorLoader<K> exception)
                                           throws K extends Throwable

Throws:

K extends Throwable

nullCheck

@SafeVarargs
public static <T> T[] nullCheck(T... objects)
                                       throws IllegalArgumentException

Throws:

IllegalArgumentException

nullCheck

public static <T,K extends Throwable> T[] nullCheck(Verify.ErrorLoader<K> exception,
                                                    T... objects)
                                             throws K extends Throwable

Throws:

K extends Throwable

checkCondition

public static <K extends Throwable> void checkCondition(boolean condition,
                                                        Verify.ErrorLoader<K> exception)
                                                 throws K extends Throwable

Throws:

K extends Throwable

hasPermission

public static boolean hasPermission(String permission,
                                    ISender sender)

Parameters:

permission -

sender -

Returns: