src/org/kocakosm/pitaya/util/Classes.java
public static String getPackageName(Class<?> c)
	{
		String name = c.getName();
		int i = name.lastIndexOf('.');
		return i != -1 ? name.substring(0, i) : "";
	}
public static String getPackageName(Class<?> c)
	{
		String name = c.getName();
		int i = name.lastIndexOf('.');
		return i != -1 ? name.substring(0, i) : "";
	}
Returns the name of the package of the given class or the empty
{@code String} if the class is defined in the default package.

@param c the class.

@return the package name of the given class.

@throws NullPointerException if {@code c} is {@code null}.