/**
* Returns an iterable representing the collection of all fields declared in classes along the
* path from the given leaf class to the {@link Object} base class.
*
* @return iterable representing the declared fields
*/
public static Iterable<Field> allDeclaredFields(final Object object) {
Assert.objectNotNull(object, "object");
return new DeclaredFieldsIterable(object.getClass());
}
/**
* Returns the package part of a fully qualified class name.
*
* @param className class name to extract the package name from
* @return package name
*/
public static String getPackageName(final String className) {
Assert.objectNotNull(className, "class name");
final int lastDotStart = className.lastIndexOf('.');
return (lastDotStart > 0) ? className.substring(0, lastDotStart) : "";
}
/**
* Returns an iterable representing the collection of all classes along the path from leaf class
* (determined from the given {@code object}) to the {@link Object} base class.
*
* @param object the object used to derive the leaf class from
* @return iterable representing the classes
*/
public static Iterable<Class<?>> inheritanceChain(final Object object) {
Assert.objectNotNull(object, "object");
return new InheritanceChainIterable(object.getClass());
}