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Retain null-safe syntax in AST representation of SpEL indexers 

Prior to this commit, SpEL's CompoundExpression omitted the null-safe
syntax in AST string representations of indexing operations.

To address this, this commit implements isNullSafe() in Indexer.

See gh-29847
This commit is contained in:
Sam Brannen 2024-03-22 17:41:14 +01:00
parent 4d433174eb
commit d2bd0d5716
2 changed files with 11 additions and 2 deletions
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9
spring-expression/src/main/java/org/springframework/expression/spel/ast/Indexer.java
View File

@ -127,6 +127,15 @@ public class Indexer extends SpelNodeImpl {
}
/**
* Does this node represent a null-safe index operation?
* @since 6.2
*/
@Override
public final boolean isNullSafe() {
return this.nullSafe;
}
@Override
public TypedValue getValueInternal(ExpressionState state) throws EvaluationException {
return getValueRef(state).getValue();

4
spring-expression/src/test/java/org/springframework/expression/spel/ParsingTests.java
View File

@ -60,8 +60,8 @@ class ParsingTests {
parseCheck("property1?.property2?.methodOne()");
parseCheck("property1?.methodOne('enigma')?.methodTwo(42)");
parseCheck("property1?.methodOne()?.property2?.methodTwo()");
parseCheck("property1[0]?.property2['key']?.methodTwo()");
parseCheck("property1[0][1]?.property2['key'][42]?.methodTwo()");
parseCheck("property1?.[0]?.property2?.['key']?.methodTwo()");
parseCheck("property1?.[0]?.[1]?.property2?.['key']?.[42]?.methodTwo()");
}
@Test