Package org.openrewrite.java.trait

Class Literal

java.lang.Object

org.openrewrite.java.trait.Literal

All Implemented Interfaces:

org.openrewrite.trait.Trait<Expression>

public class Literal
extends Object
implements org.openrewrite.trait.Trait<Expression>

A literal in Java is either a J.Literal or a J.NewArray that has a non-null initializer that, itself, contains literals or new arrays that recursively contain these constraints. In other languages this trait is inclusive of constructs like list or map literals.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	Literal.Matcher

Constructor Summary

Constructors

Constructor	Description
Literal()

Method Summary

Modifier and Type	Method	Description
@Nullable String	getString()
List<String>	getStrings()
<T> @Nullable T	getValue(com.fasterxml.jackson.core.type.TypeReference<T> type)
<T> @Nullable T	getValue(com.fasterxml.jackson.databind.JavaType type)
<T> @Nullable T	getValue(Class<T> type)
boolean	isArray()
boolean	isNotNull()
boolean	isNull()

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.openrewrite.trait.Trait

getCursor, getTree

Constructor Details

Literal

public Literal()

Method Details

isNull

public boolean isNull()

isNotNull

public boolean isNotNull()

isArray

public boolean isArray()

Returns:

true if the value represented by this literal is an array.

getString

public @Nullable String getString()

Returns:

the value of this expression as String if possible, or null if it is an array literal or otherwise unavailable.

getStrings

public List<String> getStrings()

Returns:

the value of this expression as a list of strings. Works for both single string literals and array literals.

getValue

public <T> @Nullable T getValue(Class<T> type)

getValue

public <T> @Nullable T getValue(com.fasterxml.jackson.core.type.TypeReference<T> type)

getValue

public <T> @Nullable T getValue(com.fasterxml.jackson.databind.JavaType type)