This commit updates SpringConfiguratorTests to not rely on classpath
scanning as it could have side effect. In this particular case, the
configuration class that sources the scan is detected again, leading
to bean overriding.
Irrespective of that, adding more code in that package may have side
effect as they could be scanned as well.
Closes gh-32535
This set of commits introduces support for a null-safe operator in the
Spring Expression Language (SpEL), including support for compiling
expressions that use the null-safe index operator.
Note, however, that compilation is not supported for null-safe indexing
into a String or any kind of Collection (other than a List).
See gh-21468
Closes gh-29847
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
Prior to this commit, SpEL's CompoundExpression omitted the null-safe
syntax in AST string representations of the selection and projection
operators.
To address this, this commit implements isNullSafe() in Projection and
Selection.
Closes gh-32515
Prior to this commit, MethodReference and PropertyOrFieldReference
already defined local isNullSafe() methods, but we need identical
methods in Selection, Projection, and Indexer, and we may potentially
need null-safe support for additional operators in the future.
To address the common need for an is-null-safe check, this commit
introduces an isNullSafe() method in SpelNodeImpl with a default
implementation that returns false.
Closes gh-32516
Prior to this commit when a required parameter defined as a property or
expression placeholder was missing, the exception thrown would refer to
the placeholder instead of the resolved name.
This change covers messaging handlers and web controllers, both blocking
and reactive. It also fixes the error message when handling null values
for non-required parameters, as well as in cases that need conversion.
See gh-32323
Closes gh-32462
