@Override
public boolean process(Set<? extends TypeElement> annotations, RoundEnvironment roundEnv) {
for (TypeElement te : ElementFilter.typesIn(roundEnv.getRootElements())) {
if (isSimpleName(te, "InvalidSource")) {
for (Element c : te.getEnclosedElements()) {
for (AnnotationMirror am : c.getAnnotationMirrors()) {
Element ate = am.getAnnotationType().asElement();
if (isSimpleName(ate, "ExpectInterfaces")) {
checkInterfaces((TypeElement) c, getValue(am));
} else if (isSimpleName(ate, "ExpectSupertype")) {
checkSupertype((TypeElement) c, getValue(am));
}
}
}
}
}
return true;
}
private String asString(Element e) {
if (e == null) return "[elt:null]";
return e.accept(
new SimpleElementVisitor<String, Void>() {
@Override
public String defaultAction(Element e, Void ignore) {
return "[elt:" + e.getKind() + " " + e.toString() + "]";
}
@Override
public String visitPackage(PackageElement e, Void ignore) {
return "pkg " + e.getQualifiedName();
}
@Override
public String visitType(TypeElement e, Void ignore) {
StringBuilder sb = new StringBuilder();
if (e.getEnclosedElements().isEmpty()) sb.append("empty ");
ElementKind ek = e.getKind();
switch (ek) {
case CLASS:
sb.append("clss");
break;
case INTERFACE:
sb.append("intf");
break;
default:
sb.append(ek);
break;
}
sb.append(" ");
Element encl = e.getEnclosingElement();
if (!isUnnamedPackage(encl) && encl.asType().getKind() != TypeKind.NONE) {
sb.append("(");
sb.append(asString(encl));
sb.append(")");
sb.append(".");
}
sb.append(e.getSimpleName());
if (e.asType().getKind() == TypeKind.ERROR) sb.append("!");
return sb.toString();
}
},
null);
}
private boolean isSimpleName(Element e, String name) {
return e.getSimpleName().contentEquals(name);
}
boolean isUnnamedPackage(Element e) {
return (e != null && e.getKind() == ElementKind.PACKAGE && ((PackageElement) e).isUnnamed());
}