Gradle instrumentation tool codegen example for properties

PropertiesExtension.java

class PropertiesExtension implements AnnotatedMethodReaderExtension, CodeGeneratorContributor {

    @Override
    public InstrumentationCodeGenerator contributeCodeGenerator() {
        return new CodeGeneratorContributor() {

            @Override
            public InstrumentationCodeGenerator contributeCodeGenerator() {
                // look for the extra data in the requests – find the ones that need accessor
                // implementations, then generate them, like:
                //
                // class ChekstyleImpls {
                //     public static access_get_maxErrors(Checkstyle self) {
                //         self.getMaxErrors().get()
                //     }
                //
                //     public static access_set_maxErrors(Checkstyle self, int value) {
                //         ...
                //     }
                // }
            }
        }
    }

    @Override
    public Collection<Result> readRequest(ExecutableElement input) {
        // read the annotations
        // produce the requests to intercept the property getter and setter (+ Groovy property access)
        // the returned requests should reference non-existing methods as interceptor implementations
        // like access_get_maxErrors and access_get_maxErrors
        // and they also need to store the information that they need those methods to be generated
        // (perhaps use the request extras)
    }
}