src/main/java/org/eiichiro/reverb/lang/JLCClassResolver.java
@Override
	public Set<Class<?>> resolveByInterface(final Class<?> interfaceClass)
			throws IOException {
		Matcher<Class<?>> matcher = new Matcher<Class<?>>() {
			
			public boolean matches(Class<?> clazz) {
				Class<?>[] interfaces = clazz.getInterfaces();
				
				for (Class<?> c : interfaces) {
					if (c.equals(interfaceClass)) {
						return true;
					}
				}
				
				if (clazz.getSuperclass() != null) {
					return matches(clazz.getSuperclass());
				} else {
					return false;
				}
			}
			
		};
		return resolve(matcher);
	}
@Override
	public Set<Class<?>> resolveByInterface(final Class<?> interfaceClass)
			throws IOException {
		Matcher<Class<?>> matcher = new Matcher<Class<?>>() {
			
			public boolean matches(Class<?> clazz) {
				Class<?>[] interfaces = clazz.getInterfaces();
				
				for (Class<?> c : interfaces) {
					if (c.equals(interfaceClass)) {
						return true;
					}
				}
				
				if (clazz.getSuperclass() != null) {
					return matches(clazz.getSuperclass());
				} else {
					return false;
				}
			}
			
		};
		return resolve(matcher);
	}
Resolves the classes that implements the specified interface as
{@code java.lang.Class}.

@param interfaceClass The interface being implemented.
@return Classes that implements the specified interface as
{@code java.lang.Class}.
@throws IOException If any I/O access fails while traversing the search
path.