Application: gvSIG desktop

package org.gvsig.fmap.geom.operation;

import java.util.HashMap;

import java.util.Map;

/**

 * This class is a default parameter container for geometry operation.<br>

 * 

 * Normally every GeometryOperation will extend this class and identify

 * its parameters publicly with getters/setters

 *

 * For those operations that need high performance, parameters should be declared as class 

 * members instead of using the setAttribute/getAttribute mechanism. This way you avoid a hash

 * and a cast operation.

 * 

 * @author jyarza

 *

 */

public class GeometryOperationContext {

        private Map ctx = new HashMap();

        /**

         * Returns an attribute given its name.

         * If it does not exist returns <code>null</code>

         * @param name

         * @return attribute

         */

        public Object getAttribute(String name) {

                return ctx.get(name.toLowerCase());

        }

        /**

         * Sets an attribute

         * @param name

         * @param value

         */

        public GeometryOperationContext setAttribute(String name, Object value) {

                ctx.put(name.toLowerCase(), value);

                return this;

        }

}