Application: gvSIG desktop

/* 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.

* 

*/

/*

* AUTHORS (In addition to CIT):

* 2012 Software Colaborativo (www.scolab.es)   development

*/

package org.gvsig.raster.util;

import java.lang.reflect.InvocationTargetException;

import java.lang.reflect.Method;

/**

 * @author Francisco Jos? Pe?arrubia (fjp@scolab.es)

 *

 * To avoid libIverUtiles dependency.

 * This class is a wrapper around ICancel object, and uses reflection

 * to get the job done.

 */

public class Cancellable {

        Method method = null;

        Object obj;

        public Cancellable(Object obj) {

                try {

                        this.obj = obj;

                        if (obj != null) {

                                method = obj.getClass().getMethod("isCanceled", null);

                        }

                } catch (SecurityException e) {

                        // TODO Auto-generated catch block

                        e.printStackTrace();

                } catch (NoSuchMethodException e) {

                        // TODO Auto-generated catch block

                        e.printStackTrace();

                }

        }

        public boolean isCanceled() {

                Object ret = false;

                try {

                        if (method != null)

                                ret = method.invoke(obj, null);

                } catch (IllegalArgumentException e) {

                        e.printStackTrace();

                } catch (IllegalAccessException e) {

                        e.printStackTrace();

                } catch (InvocationTargetException e) {

                        e.printStackTrace();

                }

                return (Boolean) ret;

        }

}