package com.novoda.support.annotations;
import javax.annotation.processing.AbstractProcessor;
import javax.annotation.processing.RoundEnvironment;
import javax.annotation.processing.SupportedAnnotationTypes;
import javax.annotation.processing.SupportedSourceVersion;
import javax.lang.model.SourceVersion;
import javax.lang.model.element.Element;
import javax.lang.model.element.TypeElement;
import javax.tools.Diagnostic;
import java.util.Locale;
import java.util.Set;
@SupportedAnnotationTypes("com.novoda.support.annotations.TechDebt")
@SupportedSourceVersion(SourceVersion.RELEASE_7)
public class TechDebtAnnotationProcessor extends AbstractProcessor {
private static final String WARNING_TEMPLATE = "TechDebt detected!!!"
+ "\nDescription: %s"
+ "\nSize: %s"
+ "\nLink: %s";
@Override
public boolean process(Set<? extends TypeElement> annotationElements, RoundEnvironment roundEnv) {
for (TypeElement annotationElement : annotationElements) {
final Set<? extends Element> annotatedElements = roundEnv.getElementsAnnotatedWith(annotationElement);
for (Element annotadedElement : annotatedElements) {
printWarning(annotadedElement);
}
}
return true;
}
private void printWarning(Element annotatedElement) {
TechDebt techDebt = annotatedElement.getAnnotation(TechDebt.class);
String message = String.format(Locale.UK, WARNING_TEMPLATE, techDebt.description(), techDebt.size(), techDebt.link());
processingEnv.getMessager().printMessage(Diagnostic.Kind.WARNING, message, annotatedElement);
}
}