Java 类javax.annotation.meta.TypeQualifierValidator 实例源码

public static <A extends Annotation> When sandboxedValidation(A proxy, TypeQualifierValidator<A> v, @CheckForNull
Object constantValue) {
    if (performingValidation.get())
        throw new IllegalStateException("recursive validation");

    try {
        performingValidation.set(Boolean.TRUE);
        if (TypeQualifierValue.DEBUG_CLASSLOADING)
            System.out.println("Performing validation in thread " + Thread.currentThread().getName());
        try {
            When result = v.forConstantValue(proxy, constantValue);
            if (!performingValidation.get())
                throw new IllegalStateException("performingValidation not set when validation completes");
            return result;
        } catch (ClassCastException e) {
            Class<? extends Annotation> c = proxy.getClass();
            System.out.println(c.getName() + " extends " + c.getSuperclass().getName());
            for(Class<?> i : c.getInterfaces())
                    System.out.println("  " + i.getName());
            throw e;
        }

    } finally {
        performingValidation.set(Boolean.FALSE);
        if (TypeQualifierValue.DEBUG_CLASSLOADING)
            System.out.println("Validation finished in thread " + Thread.currentThread().getName());

    }
}

private boolean inValidation() {
    for (Class<?> c : getClassContext()) {
        if (TypeQualifierValidator.class.isAssignableFrom(c)
                || c.getClassLoader() == ValidatorClassLoader.INSTANCE)
            return true;
    }
    return false;
}

private static <A extends Annotation> TypeQualifierValidator<A> getValidator(
        Class<? extends TypeQualifierValidator<A>> checkerClass)
        throws InstantiationException, IllegalAccessException {
    return checkerClass.newInstance();
}

/**
 * @param checkerClass
 * @return
 * @throws InstantiationException
 * @throws IllegalAccessException
 */
@SuppressWarnings("unchecked")
private TypeQualifierValidator<A> getValidator(Class<? extends TypeQualifierValidator> checkerClass)
        throws InstantiationException, IllegalAccessException {
    return checkerClass.newInstance();
}