jodd-core/src/main/java/jodd/util/ClassLoaderUtil.java
public static String getClasspathItemBaseDir(final File classpathItem) {
		String base;
		if (classpathItem.isFile()) {
			base = classpathItem.getParent();
		} else {
			base = classpathItem.toString();
		}
		return base;
	}
public static String getClasspathItemBaseDir(final File classpathItem) {
		String base;
		if (classpathItem.isFile()) {
			base = classpathItem.getParent();
		} else {
			base = classpathItem.toString();
		}
		return base;
	}
Returns base folder for classpath item. If item is a (jar) file,
its parent is returned. If item is a directory, its name is returned.