@Override
public MethodDelegationBinder.ParameterBinding<?> bind(
AnnotationDescription.Loadable<FieldValue> annotation,
MethodDescription source,
ParameterDescription target,
Implementation.Target implementationTarget,
Assigner assigner) {
FieldLocator.Resolution resolution =
FieldLocator.of(
annotation.getValue(DEFINING_TYPE, TypeDescription.class),
implementationTarget.getTypeDescription())
.resolve(annotation.getValue(FIELD_NAME, String.class), source.isStatic());
if (resolution.isResolved()) {
StackManipulation stackManipulation =
new StackManipulation.Compound(
resolution.getFieldDescription().isStatic()
? StackManipulation.Trivial.INSTANCE
: MethodVariableAccess.REFERENCE.loadOffset(0),
FieldAccess.forField(resolution.getFieldDescription()).getter(),
assigner.assign(
resolution.getFieldDescription().getType().asErasure(),
target.getType().asErasure(),
RuntimeType.Verifier.check(target)));
return stackManipulation.isValid()
? new MethodDelegationBinder.ParameterBinding.Anonymous(stackManipulation)
: MethodDelegationBinder.ParameterBinding.Illegal.INSTANCE;
} else {
return MethodDelegationBinder.ParameterBinding.Illegal.INSTANCE;
}
}
@Override
public MethodDelegationBinder.ParameterBinding<?> bind(
AnnotationDescription.Loadable<Origin> annotation,
MethodDescription source,
ParameterDescription target,
Implementation.Target implementationTarget,
Assigner assigner) {
TypeDescription parameterType = target.getType().asErasure();
if (parameterType.represents(Class.class)) {
return new MethodDelegationBinder.ParameterBinding.Anonymous(
ClassConstant.of(implementationTarget.getOriginType()));
} else if (parameterType.represents(Method.class)) {
return new MethodDelegationBinder.ParameterBinding.Anonymous(
annotation.loadSilent().cache()
? MethodConstant.forMethod(source.asDefined()).cached()
: MethodConstant.forMethod(source.asDefined()));
} else if (parameterType.represents(String.class)) {
return new MethodDelegationBinder.ParameterBinding.Anonymous(
new TextConstant(source.toString()));
} else if (parameterType.represents(int.class)) {
return new MethodDelegationBinder.ParameterBinding.Anonymous(
IntegerConstant.forValue(source.getModifiers()));
} else if (parameterType.equals(JavaType.METHOD_HANDLE.getTypeStub())) {
return new MethodDelegationBinder.ParameterBinding.Anonymous(
MethodHandleConstant.of(source.asDefined()));
} else if (parameterType.equals(JavaType.METHOD_TYPE.getTypeStub())) {
return new MethodDelegationBinder.ParameterBinding.Anonymous(
MethodTypeConstant.of(source.asDefined()));
} else {
throw new IllegalStateException(
"The "
+ target
+ " method's "
+ target.getIndex()
+ " parameter is annotated with a Origin annotation with an argument not representing a Class,"
+ " Method, String, int, MethodType or MethodHandle type");
}
}