Application: gvSIG desktop

/* 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.HashMap;

import java.util.List;

import java.util.Map;

import java.util.Map.Entry;

import java.util.Set;

import org.gvsig.fmap.dal.raster.BandQuery;

import org.gvsig.fmap.dal.raster.RasterQuery;

import org.gvsig.fmap.geom.primitive.Envelope;

import org.gvsig.tools.ToolsLocator;

import org.gvsig.tools.dynobject.DynStruct;

import org.gvsig.tools.persistence.PersistenceManager;

import org.gvsig.tools.persistence.PersistentState;

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

/**

 * Implements RasterQuery

 *

 * @author dmartinezizquierdo

 *

 */

public class DefaultRasterQuery implements RasterQuery {

    private static final String PERSISTENCE_NAME = "RasterQuery";

    private static final String PERSISTENCE_DESCRIPTION = "";

    private static final String SCALE_FIELD_NAME = "scale";

    private static final String PARAMETERS_FIELD_NAME = "queryParameters";

    private static final String BAND_QUERIES_FIELD_NAME = "bandQueries";

    private static final String CLIP_FIELD_NAME = "clip";

    private static final String PIXEL_SIZE_NAME = "pixelSize";

    private double scale;

    private Map<String, Object> queryParameters;

    private List<BandQuery> bandQueries;

    private Envelope clip;

    private double pixelSize;

    /**

     * @param store

     *

     */

    public DefaultRasterQuery() {

        this.queryParameters = new HashMap<String, Object>();

        this.bandQueries = new ArrayList<BandQuery>();

    }

    @Override

    public List<BandQuery> getBands() {

        return Collections.unmodifiableList(this.bandQueries);

    }

    @Override

    public void addBand(BandQuery query) {

        this.bandQueries.add(query);

    }

    @Override

    public void clearBands() {

        this.bandQueries.clear();

    }

    @Override

    public void setScale(double scale) {

        this.scale = scale;

    }

    @Override

    public double getScale() {

        return scale;

    }

    @Override

    public Object getQueryParameter(String name) {

        return queryParameters.get(name);

    }

    @Override

    public void setQueryParameter(String name, Object value) {

        queryParameters.put(name, value);

    }

    @Override

    public Envelope getClip() {

        return clip;

    }

    @Override

    public RasterQuery setClip(Envelope clip) {

        this.clip = clip;

        return this;

    }

    @Override

    public double getPixelSize() {

        return pixelSize;

    }

    @Override

    public RasterQuery setPixelSize(double pixelSize) {

        this.pixelSize = pixelSize;

        return this;

    }

    public static void registerPersistenceDefinition() {

        PersistenceManager persistenceManager = ToolsLocator.getPersistenceManager();

        DynStruct definition = persistenceManager.getDefinition(PERSISTENCE_NAME);

        if (definition == null) {

            definition =

                persistenceManager.addDefinition(RasterQuery.class, PERSISTENCE_NAME,

                    PERSISTENCE_DESCRIPTION, null, null);

            definition.addDynFieldDouble(SCALE_FIELD_NAME);

            definition.addDynFieldMap(PARAMETERS_FIELD_NAME);

            definition.addDynFieldList(BAND_QUERIES_FIELD_NAME).setClassOfItems(BandQuery.class);

            definition.addDynFieldObject(CLIP_FIELD_NAME).setClassOfValue(Envelope.class);

            definition.addDynFieldDouble(PIXEL_SIZE_NAME);

        }

    }

    @Override

    public void saveToState(PersistentState state) throws PersistenceException {

        state.set("scale", this.scale);

        state.set("queryParameters", this.queryParameters);

        state.set("bands", this.bandQueries);

        state.set("clip", this.clip);

        state.set("pixelSize", this.pixelSize);

    }

    @Override

    public void loadFromState(PersistentState state) throws PersistenceException {

        this.queryParameters =

            new HashMap<String, Object>((Map<String, Object>) state.get("queryParameters"));

        this.scale = state.getDouble("scale");

        this.bandQueries = new ArrayList<BandQuery>((List<BandQuery>) state.get("bands"));

        this.clip = (Envelope) state.get("clip");

        this.pixelSize = state.getDouble("pixelSize");

    }

    @Override

    public RasterQuery clone() throws CloneNotSupportedException {

        RasterQuery rq = new DefaultRasterQuery();

        for (BandQuery bandQuery : this.getBands()) {

            rq.addBand((BandQuery) bandQuery.clone());

        }

        if(this.getClip()!=null){

            rq.setClip((Envelope) this.getClip().clone());

        }

        Set<Entry<String, Object>> entries = queryParameters.entrySet();

        for (Entry<String, Object> entry : entries) {

            rq.setQueryParameter(entry.getKey(), entry.getValue());

        }

        rq.setScale(scale);

        rq.setPixelSize(pixelSize);

        return rq;

    }

}