The code under the package: org.gvsig.geoutils.sun.awt.geom has been extracted from OpenJDK (sun.awt.geom package): http://openjdk.java.net/ This was necessary because these classes does not belong to public Java API, and thus they were being changed between Java versions. As stated in the headers, the code is copyright of Sun Microsystems, Inc., and be used under the terms of the GPL license, version 2. See SUN-LICENSE.txt file for details.