logback-android/src/main/java/ch/qos/logback/core/util/Loader.java
public static ClassLoader getClassLoaderOfClass(final Class<?> clazz) {
    ClassLoader cl = clazz.getClassLoader();
    if (cl == null) {
      return ClassLoader.getSystemClassLoader();
    } else {
      return cl;
    }
  }
public static ClassLoader getClassLoaderOfClass(final Class<?> clazz) {
    ClassLoader cl = clazz.getClassLoader();
    if (cl == null) {
      return ClassLoader.getSystemClassLoader();
    } else {
      return cl;
    }
  }
Return the class loader which loaded the class passed as argument. Return
the system class loader if appropriate.

@param clazz the class to evaluate
@return the classloader of the object