Application: gvSIG desktop » gvSIG raster

/* gvSIG. Desktop Geographic Information System.

 *

 * Copyright ? 2007-2016 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.

 *

 * For any additional information, do not hesitate to contact us

 * at info AT gvsig.com, or visit our website www.gvsig.com.

 */

package org.gvsig.fmap.dal.raster.impl;

import java.util.ArrayList;

import java.util.Collections;

import java.util.List;

import org.gvsig.fmap.dal.raster.api.BandAttributeDescriptor;

import org.gvsig.tools.ToolsLocator;

import org.gvsig.tools.dynobject.DynStruct;

import org.gvsig.tools.lang.Cloneable;

import org.gvsig.tools.persistence.PersistenceManager;

import org.gvsig.tools.persistence.PersistentState;

import org.gvsig.tools.persistence.exception.PersistenceException;

/**

 * Default implementation of {@link BandAttributeDescriptor}.

 * 

 * @author <a href="mailto:lmarques@disid.com">Lluis Marques</a>

 *

 */

public class DefaultBandAttributeDescriptor implements BandAttributeDescriptor {

    private static final String PERSISTENCE_NAME = "BandAttributeDescriptor";

    private static final String PERSISTENCE_DESCRIPTION = "";

    private static final String BAND_FIELD_NAME = "band";

    private static final String NAME_FIELD_NAME = "name";

    private static final String DESCRIPTION_FIELD_NAME = "description";

    private static final String VALUES_FIELD_NAME = "values";

    private int band;

    private String name;

    private String description;

    private List<Object> values;

    /**

     * 

     * @param band

     * @param name

     * @param description

     * @param values 

     */

    public DefaultBandAttributeDescriptor(int band, String name, String description,

        List<Object> values) {

        super();

        this.band = band;

        this.name = name;

        this.values = values;

        this.description = description;

    }

    @Override

    public int getBand() {

        return this.band;

    }

    @Override

    public String getName() {

        return this.name;

    }

    @Override

    public String getDescription() {

        return this.description;

    }

    @Override

    public List<Object> getValues() {

        return Collections.unmodifiableList(this.values);

    }

    public static void registerPersitenceDefinition() {

        PersistenceManager persistenceManager = ToolsLocator.getPersistenceManager();

        DynStruct definition = persistenceManager.getDefinition(PERSISTENCE_NAME);

        if (definition == null) {

            definition =

                persistenceManager.addDefinition(BandAttributeDescriptor.class, PERSISTENCE_NAME,

                    PERSISTENCE_DESCRIPTION, null, null);

            definition.addDynFieldInt(BAND_FIELD_NAME);

            definition.addDynFieldString(NAME_FIELD_NAME);

            definition.addDynFieldString(DESCRIPTION_FIELD_NAME);

            definition.addDynFieldList(VALUES_FIELD_NAME).setClassOfItems(Object.class);

        }

    }

    @Override

    public void saveToState(PersistentState state) throws PersistenceException {

        state.set(BAND_FIELD_NAME, this.getBand());

        state.set(NAME_FIELD_NAME, this.getName());

        state.set(DESCRIPTION_FIELD_NAME, this.getDescription());

        state.set(VALUES_FIELD_NAME, this.getValues());

    }

    @Override

    public void loadFromState(PersistentState state) throws PersistenceException {

        this.band = state.getInt(BAND_FIELD_NAME);

        this.name = state.getString(NAME_FIELD_NAME);

        this.description = state.getString(DESCRIPTION_FIELD_NAME);

        this.values = new ArrayList<Object>(state.getList(VALUES_FIELD_NAME));

    }

    @Override

    public Object clone() throws CloneNotSupportedException {

        List<Object> newValues = new ArrayList<Object>();

        for (Object object : values) {

            if( object instanceof Cloneable){

                newValues.add(((Cloneable) object).clone());

            } else {

                newValues.add(object);

            }

        }

        return new DefaultBandAttributeDescriptor(this.band, this.name, this.description, newValues);

    }

}