Examples with JAnnotationUse com.helger.jcodemodel.JAnnotationUse used on opensource projects

Example 11 with JAnnotationUse

use of com.helger.jcodemodel.JAnnotationUse in project adt4j by sviperll.

the class Source method getNullability.

public static GenerationResult<Boolean> getNullability(AbstractJType type, String name, Collection<? extends JAnnotationUse> annotations) {
    boolean hasNonnull = false;
    boolean hasNullable = false;
    for (JAnnotationUse annotationUse : annotations) {
        AbstractJClass annotationClass = annotationUse.getAnnotationClass();
        if (!annotationClass.isError()) {
            String annotationClassName = annotationClass.fullName();
            if (annotationClassName != null) {
                if (annotationClassName.equals("javax.annotation.Nonnull")) {
                    hasNonnull = true;
                }
                if (annotationClassName.equals("javax.annotation.Nullable")) {
                    hasNullable = true;
                }
            }
        }
    }
    if (hasNonnull && hasNullable)
        return new GenerationResult<>(false, Collections.singletonList(MessageFormat.format("Parameter {0} is declared as both @Nullable and @Nonnull", name)));
    if (!type.isReference() && hasNullable)
        return new GenerationResult<>(false, Collections.singletonList(MessageFormat.format("Parameter {0} is non-reference, but declared as @Nullable", name)));
    return new GenerationResult<>(hasNullable, Collections.<String>emptyList());
}