Package com.intellij.util

Class ObjectUtils

java.lang.Object

com.intellij.util.ObjectUtils

public class ObjectUtils
extends Object

Field Summary

Fields

Modifier and Type	Field	Description
static final Object	NULL

Method Summary

Modifier and Type	Method	Description
static <T> void	assertAllElementsNotNull(T[] array)
static <T> T	assertNotNull(T t)
static <T> T	chooseNotNull(T t1, T t2)
static <T> T	coalesce(Iterable<T> o)
static <T> T	coalesce(T t1, T t2)
static <T> T	coalesce(T t1, T t2, T t3)
static <T> T	notNull(T value)
static <T> T	notNull(T value, T defaultValue)
static <T> T	nullizeByCondition(T obj, Condition<T> condition)
static <T> T	tryCast(Object obj, Class<T> clazz)

Methods inherited from class java.lang.Object

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

Field Details

NULL

public static final Object NULL

Method Details

assertNotNull

@NotNull
public static <T> T assertNotNull(@Nullable
 T t)

assertAllElementsNotNull

public static <T> void assertAllElementsNotNull(@NotNull
 T[] array)

chooseNotNull

@Contract("null, null -> null")
public static <T> T chooseNotNull(@Nullable
 T t1,
 @Nullable
 T t2)

coalesce

@Contract("null,null->null")
public static <T> T coalesce(@Nullable
 T t1,
 @Nullable
 T t2)

coalesce

@Contract("null,null,null->null")
public static <T> T coalesce(@Nullable
 T t1,
 @Nullable
 T t2,
 @Nullable
 T t3)

coalesce

@Nullable
public static <T> T coalesce(@Nullable
 Iterable<T> o)

notNull

@NotNull
public static <T> T notNull(@Nullable
 T value)

notNull

@NotNull
public static <T> T notNull(@Nullable
 T value,
 @NotNull
 T defaultValue)

tryCast

@Nullable
public static <T> T tryCast(@Nullable
 Object obj,
 @NotNull
 Class<T> clazz)

nullizeByCondition

@Nullable
public static <T> T nullizeByCondition(@Nullable
 T obj,
 @NotNull
 Condition<T> condition)