Prior to this commit, ObjectToObjectConverter considered the return
type of non-static `to[targetType.simpleName]()` methods but did not
consider the return type of static `valueOf(sourceType)`,
`of(sourceType)`, and `from(sourceType)` methods.
This led to scenarios in which `canConvert()` returned `true`, but a
subsequent `convert()` invocation resulted in a
ConverterNotFoundException, which violates the contract of the
converter.
This commit addresses this issue by taking into account the return type
of a static valueOf/of/from factory method when determining if the
ObjectToObjectConverter supports a particular conversion. Whereas the
existing check in `determineToMethod()` ensures that the method return
type is assignable to the `targetType`, the new check in
`determineFactoryMethod()` leniently ensures that the method return
type and `targetType` are "related" (i.e., reside in the same type
hierarchy).
Closes gh-28609
Support reflection-based serialization of parameters annotated
with @RequestBody and return values annotated with @ResponseBody.
It leverages a new BindingReflectionHintsRegistrar class that
is designed to register transitively the types usually needed
for binding and reflection-based serialization on fields,
constructors and properties. Generics are taken in account
as well.
Closes gh-28518
The `RuntimeHints` API allows to describe hints for the reflection,
proxies and resources behavior at runtime. The need for a particular
behavior can be covered by several types of hints, at different levels.
This knowledge can be important in several cases:
* before contributing additional hints, infrastructure can check if an
existing hint already covers the behavior
* this can be used in test suites and test infrastructure
This commit adds a new RuntimeHintsPredicates that generates `Predicate`
instances for testing `RuntimeHints` against a desired runtime behavior
for reflection, resources or proxies.
Closes gh-28555
Update `ApplicationContextAotGenerator` so that it can generate class
names based on a `target` class and using the ID of the application
context. Prior to this commit, the generated class name was always
`__.BeanFactoryRegistrations`.
Closes gh-28565
To avoid unnecessary eager initialization of DataSize.PATTERN, this
commit initializes it lazily in the first invocation of DataSize.parse
by moving PATTERN to a private static nested class.
Closes gh-28560
This commit adds a central utility to figure out if the application
must run with Ahead-Of-Time optimizations. This is mandatory for running
in a native image but can be selected on the JVM using the
"spring.aot.enabled" property.
This commit also introduces a utility that can be used to initialize a
context with generated artifacts. This represents the runtime
counterpart of ApplicationContextAotGenerator.
Closes gh-28474
Prior to this commit, the hints conditions were only supported for the
`TypeHint` case. GraalVM generally expanded this concept to all hints
and we should do the same.
Right now, only the `typeReachable` condition is available but we should
design for possible future additions.
This commit introduces a new `ConditionalHint` contract implemented by
all hints compatible with this approach. The condition information is
also used in all configuration writers as a result.
Closes gh-28126
This commit makes sure that CoroutinesUtils::invokeSuspendingFunction
treats Reactive Publisher instances the same as Kotlin Flows, i.e.
it flatmaps them.
Closes gh-27011
Attempting to name a variable in an "instanceof pattern" the same as
a field results in a Checkstyle violation similar to the following if
the "instanceof pattern matching" is located within a constructor.
Reference to instance variable 'document' needs "this.". [RequireThis]
See gh-28188
Update `RuntimeHintsUtils` to skip `@Reflective` annotations when
checking for `@AliasFor`. Since the `@Reflective` annotation is only
used at AOT processing time, we shouldn't need a hint for it.
See gh-28528
Prior to this commit, searching for classpath resources using the
"classpath*:" resource prefix did not find all applicable resources for
applications deployed as modules -- for example, when test classes and
resources are patched into the application module automatically by
Maven Surefire.
This affected component scanning -- for example, via [@]ComponentScan --
and PathMatchingResourcePatternResolver.getResources(String) in
general.
This commit addresses this by introducing first-class support for
scanning the module path when PathMatchingResourcePatternResolver's
getResources(String) method is invoked with a location pattern using
the "classpath*:" resource prefix. Specifically, getResources(String)
first searches all modules in the boot layer, excluding system modules.
It then searches the classpath using the existing Classloader-based
algorithm and returns the combined results.
Closes gh-28506
UrlResource constructors throw checked exceptions which makes it
difficult to use them in java.util.Stream and java.util.Optional APIs
or other scenarios when a checked IOException is undesirable.
To support such use cases, this commit introduces `from(URI)` and
`from(String)` factory methods in UrlResource that throw
UncheckedIOExceptions.
Closes gh-28501
This commit improves registerAnnotation to also registers the meta
annotation sources, if any. Without them, the annotation could not
be fully resolved.
See gh-28497
This commit adds a `@Reflective` annotation that can be used to declare
that the annotated element requires reflection at runtime. By default,
the annotated element is exposed but this can be customized by
specifying a dedicated `ReflectiveProcessor`.
Closes gh-28469
This commit adds a utility that takes care of registering the necessary
hints to make an annotation visible at runtime. The core framework may
create a JDK proxy if necessary, which requires specific handling.
Closes gh-28497
