I have a custom annotation like below.
@customelement(folder = "/path/")
public testMethod() {
}
How I can extract folder value ie"/path/", using AbstractProcessor, below?
public class CompileTimeAnnotationProcessor extends AbstractProcessor {
@Override
public boolean process(Set<? extends TypeElement> annotations,
RoundEnvironment roundEnv) {
Set<? extends Element> elements = roundEnv.getElementsAnnotatedWith(CustomAnnotation.class);
for(Element te : elements){
for (Element e : te.getEnclosedElements()) {
if (e.getSimpleName().toString().equals("folder")) {
//Here fetch method return value
}
}
}
return true;
}
}
I guess that you want to do sth like:
@Override
public boolean process(Set<? extends TypeElement> annotations,
RoundEnvironment roundEnv) {
Set<? extends Element> elements = roundEnv.getElementsAnnotatedWith(CustomAnnotation.class);
for(Element te : elements){
CustomAnnotation annotation = te.getAnnotation(CustomAnnotation.class);
String folder = annotation.folder();
//... do sth with folder in context of te.
//te represent annotated method, e.g. testMethod from your example
}
return true;
}
Also remember to annotate your CompileTimeAnnotationProcessor
with @SupportedAnnotationTypes("package.CustomAnnotation")
and @SupportedSourceVersion(SourceVersion.RELEASE_7)
(or whatever version of Java syntax are you going to support).
In case of further problems, I recommend to read this great tutorial blog post .
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