Application: gvSIG desktop

package org.gvsig.sldsupport.sld.filter.spatial;

/**

 * Utility class to support envelopes in spatial operators.

 * 

 * @author jldominguez

 *

 */

public class GMLEnvelope {

        protected String lowerCorner = null;

        protected String upperCorner = null;

        public String getLowerCorner() {

                return lowerCorner;

        }

        public void setLowerCorner(String lowerCorner) {

                this.lowerCorner = lowerCorner;

        }

        public String getUpperCorner() {

                return upperCorner;

        }

        public void setUpperCorner(String upperCorner) {

                this.upperCorner = upperCorner;

        }

        /**

         * POLYGON ((30 10, 10 20, 20 40, 40 40, 30 10))

         *

         * <gml:Envelope srsName="http://www.opengis.net/gml/srs/epsg.xml#63266405">

         * <gml:lowerCorner>13.0983 31.5899</gml:lowerCorner>

         * <gml:upperCorner>35.5472 42.8143</gml:upperCorner>

         * </gml:Envelope>

         * 

         * @return

         */

        public String getWKT() {

                String[] lower2 = lowerCorner.split(" ");

                String[] upper2 = upperCorner.split(" ");

                double lower_x = Double.parseDouble(lower2[0]);

                double lower_y = Double.parseDouble(lower2[1]);

                double upper_x = Double.parseDouble(upper2[0]);

                double upper_y = Double.parseDouble(upper2[1]);

                return "POLYGON (("

                                + lower_x + " " + lower_y + ", " 

                                + lower_x + " " + upper_y + ", " 

                                + upper_x + " " + upper_y + ", " 

                                + upper_x + " " + lower_y + ", " 

                                + lower_x + " " + lower_y + "))";

        }

}