Application: gvSIG desktop » gvSIG geoprocess

/**

 * gvSIG. Desktop Geographic Information System.

 *

 * Copyright (C) 2007,2012 gvSIG Association.

 *

 * This program is free software; you can redistribute it and/or

 * modify it under the terms of the GNU General Public License

 * as published by the Free Software Foundation; either version 2

 * of the License, or (at your option) any later version.

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program; if not, write to the Free Software

 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,

 * MA  02110-1301, USA.

 */

package org.gvsig.geoprocess.algorithm.base.visitor.exception;

import java.util.Hashtable;

import java.util.Map;

import org.gvsig.tools.exception.BaseException;

/**

 * <p>The information of a layer or group of layers is accessed using the *strategy* and *visitor* software patterns. If

 *  any problem is produced accessing that information in that way, a <code>VisitException</code> will be produced.</p>

 *

 * @author Vicente Caballero Navarro

 */

public class VisitorException extends BaseException {

        private static final long serialVersionUID = 1L;

        private String layer = null;

        /**

          * <p>Constructs an visitor exception with the specified cause, and the layer where this exception was produced.</p>

          * 

          * @param layer the layer affected

         * @param exception an exception with the cause

         */

        @SuppressWarnings("deprecation")

        public VisitorException(String layer,Throwable exception) {

                this.layer = layer;

                init();

                initCause(exception);

        }

        /**

         * <p>Prepares the messages to display.</p>

         */

        private void init() {

                messageKey = "error_visitor";

                formatString = "Can�t visit the layer: %(layer) ";

        }

        /*

         * (non-Javadoc)

         * @see org.gvsig.exceptions.BaseException#values()

         */

        @SuppressWarnings("unchecked")

        protected Map values() {

                Hashtable params = new Hashtable();

                params.put("layer",layer);

                return params;

        }

}