Application: gvSIG desktop » gvSIG raster

/* gvSIG. Geographic Information System of the Valencian Government

 *

 * Copyright (C) 2007-2008 Infrastructures and Transports Department

 * of the Valencian Government (CIT)

 *

 * 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.raster.cache.tile.exception;

/**

 * This exception is thrown when the pool of threads fails

 *

 * @author Nacho Brodin (nachobrodin@gmail.com)

 */

public class TileBuildException extends Exception {

        private static final long serialVersionUID = 1L;

        String message;

        public TileBuildException() {

                super();

        }

        /**

         * Crea TileGettingException.

         *

         * @param message

         */

        public TileBuildException(String message) {

        super();

        this.message = message;

        }

        /**

         * Crea TileGettingException.

         *

         * @param message

         * @param cause

         */

        public TileBuildException(String message, Throwable cause) {

                super(format(message, 200), cause);

        }

        /**

          * Crea TileGettingException.

         *

         * @param cause

         */

        public TileBuildException(Throwable cause) {

                super(cause);

        }

    /**

     * Cuts the message text to force its lines to be shorter or equal to 

     * lineLength.

     * @param message, the message.

     * @param lineLength, the max line length in number of characters.

     * @return the formated message.

     */

    private static String format(String message, int lineLength){

        if (message.length() <= lineLength) return message;

        String[] lines = message.split("\n");

        String theMessage = "";

        for (int i = 0; i < lines.length; i++) {

            String line = lines[i].trim();

            if (line.length()<lineLength)

                theMessage += line+"\n";

            else {

                String[] chunks = line.split(" ");

                String newLine = "";

                for (int j = 0; j < chunks.length; j++) {

                    int currentLength = newLine.length();

                    chunks[j] = chunks[j].trim();

                    if (chunks[j].length()==0)

                        continue;

                    if ((currentLength + chunks[j].length() + " ".length()) <= lineLength)

                        newLine += chunks[j] + " ";

                    else {

                        newLine += "\n"+chunks[j]+" ";

                        theMessage += newLine;

                        newLine = "";

                    }

                }

            }

        }

        return theMessage;

    }

}