logback-android/src/main/java/ch/qos/logback/core/util/Loader.java
public static ClassLoader getClassLoaderOfObject(Object o) {
    if (o == null) {
      throw new NullPointerException("Argument cannot be null");
    }
    return getClassLoaderOfClass(o.getClass());
  }
public static ClassLoader getClassLoaderOfObject(Object o) {
    if (o == null) {
      throw new NullPointerException("Argument cannot be null");
    }
    return getClassLoaderOfClass(o.getClass());
  }
Get the class loader of the object passed as argument. Return the system
class loader if appropriate.

@param o object to evaluate
@return the classloader of the object