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.fmap.layers;

import org.gvsig.fmap.dal.feature.FeatureSet;

import org.gvsig.tools.ToolsLocator;

import org.gvsig.tools.dispose.DisposableIterator;

import org.gvsig.tools.dynobject.DynClass;

import org.gvsig.tools.dynobject.DynField;

import org.gvsig.tools.dynobject.DynObject;

import org.gvsig.tools.dynobject.DynObjectSet;

import org.gvsig.tools.dynobject.impl.DefaultDynObject;

import org.gvsig.tools.exception.BaseException;

import org.gvsig.tools.observer.Observable;

import org.gvsig.tools.observer.Observer;

import org.gvsig.tools.observer.impl.BaseWeakReferencingObservable;

import org.gvsig.tools.visitor.Visitor;

/**

 * {@link DynObject} implementation to facade of a {@link FeatureSet} and allow

 * to be used as a {@link DynObjectSet}.

 * 

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

 * @version $Id$

 */

public class DynObjectSetRasterInfo extends BaseWeakReferencingObservable

    implements DynObjectSet, Observer {

        private DynObjectIteratorRasterInfo   ite      = null;

        private DynClass                      dynClass = null;

    /**

     * Creates a new facade over a given info, with fast dynobject

     * iteration.

     */

    public DynObjectSetRasterInfo() {

        dynClass =

            ToolsLocator.getDynObjectManager().createDynClass(

                "RasterInfoByPoint", "Raster", "Raster point information");

    }

    /**

     * Adds a field to the DynObject

     * @param name

     * @param object

     * @param order

     */

    public void addField(String name, Object object, int order) {

            DynField field = dynClass.addDynField(name);

            field.setDefaultFieldValue(object);

            if(order != -1)

                    field.setOrder(order);

            DefaultDynObject dynObject = new DefaultDynObject(dynClass);

            ite = new DynObjectIteratorRasterInfo(dynObject);

    }

    public void dispose() {

    }

    public void accept(final Visitor visitor, long firstValueIndex) throws BaseException {

            while(ite.hasNext()) {

                    visitor.visit(ite.next());

            }

    }

    public void accept(final Visitor visitor) throws BaseException {

            while(ite.hasNext()) {

                    visitor.visit(ite.next());

            }

    }

    public long getSize() throws BaseException {

       return ite.getSize();

    }

    public DisposableIterator iterator(long index) throws BaseException {

        return iterator();

    }

    public DisposableIterator iterator() throws BaseException {

            return ite;

    }

    public boolean isEmpty() throws BaseException {

            return (getSize() == 0);

    }

    public boolean isDeleteEnabled() {

            return true;

    }

    public void delete(DynObject dynObject) throws BaseException {

    }

    public boolean isUpdateEnabled() {

            return true;

    }

    public void update(DynObject dynObject) throws BaseException {

    }

    public void update(Observable observable, Object notification) {

    }

}