Package com.intellij.codeInspection.util

Class OptionalUtil

java.lang.Object

com.intellij.codeInspection.util.OptionalUtil

public class OptionalUtil
extends java.lang.Object

Field Summary

Fields

Modifier and Type	Field and Description
static java.lang.String	GUAVA_OPTIONAL
static CallMatcher	GUAVA_OPTIONAL_FROM_NULLABLE
static CallMatcher	GUAVA_OPTIONAL_GET
static CallMatcher	JDK_OPTIONAL_DOUBLE_GET
static CallMatcher	JDK_OPTIONAL_GET
static CallMatcher	JDK_OPTIONAL_INT_GET
static CallMatcher	JDK_OPTIONAL_LONG_GET
static CallMatcher	JDK_OPTIONAL_OF_NULLABLE
static CallMatcher	JDK_OPTIONAL_WRAP_METHOD
static java.lang.String	OPTIONAL_DOUBLE
static CallMatcher	OPTIONAL_GET
static java.lang.String	OPTIONAL_INT
static java.lang.String	OPTIONAL_LONG
static CallMatcher	OPTIONAL_OF_NULLABLE

Constructor Summary

Constructors

Constructor and Description
OptionalUtil()

Method Summary

Modifier and Type	Method and Description
static java.lang.String	getOptionalClass(java.lang.String type)
static PsiType	getOptionalElementType(PsiType type) Unwraps an Optional, OptionalInt, OptionalLong or OptionalDouble returning its element type
static boolean	isJdkOptionalClassName(java.lang.String className)
static boolean	isOptionalEmptyCall(PsiExpression expression)

Methods inherited from class java.lang.Object

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

Field Detail

OPTIONAL_INT

public static final java.lang.String OPTIONAL_INT

See Also:

Constant Field Values

OPTIONAL_LONG

public static final java.lang.String OPTIONAL_LONG

See Also:

Constant Field Values

OPTIONAL_DOUBLE

public static final java.lang.String OPTIONAL_DOUBLE

See Also:

Constant Field Values

GUAVA_OPTIONAL

public static final java.lang.String GUAVA_OPTIONAL

See Also:

Constant Field Values

GUAVA_OPTIONAL_FROM_NULLABLE

public static final CallMatcher GUAVA_OPTIONAL_FROM_NULLABLE

JDK_OPTIONAL_OF_NULLABLE

public static final CallMatcher JDK_OPTIONAL_OF_NULLABLE

OPTIONAL_OF_NULLABLE

public static final CallMatcher OPTIONAL_OF_NULLABLE

JDK_OPTIONAL_GET

public static final CallMatcher JDK_OPTIONAL_GET

JDK_OPTIONAL_INT_GET

public static final CallMatcher JDK_OPTIONAL_INT_GET

JDK_OPTIONAL_LONG_GET

public static final CallMatcher JDK_OPTIONAL_LONG_GET

JDK_OPTIONAL_DOUBLE_GET

public static final CallMatcher JDK_OPTIONAL_DOUBLE_GET

GUAVA_OPTIONAL_GET

public static final CallMatcher GUAVA_OPTIONAL_GET

OPTIONAL_GET

public static final CallMatcher OPTIONAL_GET

JDK_OPTIONAL_WRAP_METHOD

public static final CallMatcher JDK_OPTIONAL_WRAP_METHOD

Constructor Detail

OptionalUtil

public OptionalUtil()

Method Detail

getOptionalClass

public static java.lang.String getOptionalClass(java.lang.String type)

isJdkOptionalClassName

public static boolean isJdkOptionalClassName(java.lang.String className)

getOptionalElementType

public static PsiType getOptionalElementType(PsiType type)

Unwraps an Optional, OptionalInt, OptionalLong or OptionalDouble returning its element type

Parameters:

type - a type representing optional (e.g. Optional<String> or OptionalInt)

Returns:

an element type (e.g. String or int). Returns null if the supplied type is not an optional type or its a raw java.util.Optional.

isOptionalEmptyCall

public static boolean isOptionalEmptyCall(PsiExpression expression)