Application: gvSIG desktop

/* gvSIG. Sistema de Informaci�n Geogr�fica de la Generalitat Valenciana

*

* Copyright (C) 2004 IVER T.I. and Generalitat Valenciana.

*

* 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., 59 Temple Place - Suite 330, Boston, MA  02111-1307,USA.

*

* For more information, contact:

*

*  Generalitat Valenciana

*   Conselleria d'Infraestructures i Transport

*   Av. Blasco Ib��ez, 50

*   46010 VALENCIA

*   SPAIN

*

*      +34 963862235

*   gvsig@gva.es

*      www.gvsig.gva.es

*

*    or

*

*   IVER T.I. S.A

*   Salamanca 50

*   46005 Valencia

*   Spain

*

*   +34 963163400

*   dac@iver.es

*/

package es.gva.cit.catalogClient.csw.filters;

import es.gva.cit.catalogClient.filters.AbstractFilter;

import es.gva.cit.catalogClient.filters.AdditionalClauses;

import es.gva.cit.catalogClient.languages.FilterEncoding;

import es.gva.cit.catalogClient.querys.Query;

import es.gva.cit.catalogClient.schemas.DublinCoreSchema;

import es.gva.cit.catalogClient.schemas.EbRIMSchema;

import es.gva.cit.catalogClient.schemas.ISchemas;

import es.gva.cit.catalogClient.schemas.ISO19115Schema;

import es.gva.cit.catalogClient.schemas.Schemas;

import es.gva.cit.catalogClient.utils.Strings;

/**

 * This class creates a CSW query. It can create querys using the

 * Filter Encoding Language with ebXML or ISO19115/19119 profiles

 *

 * @author Jorge Piera Llodra (piera_jor@gva.es)

 */

public class CSWFilter extends AbstractFilter {

    private ISchemas equiv = null;

    public CSWFilter(Query query) {

        super(query);

    }    

    /**

    * Return a CQL-Text query

    *

    * @return String

    */

    public String getQuery(String profile) {

        String pregunta = null;

        setProfile(profile);

      FilterEncoding filter = new FilterEncoding("ogc:", "*", "?", "\\",

                "xmlns:ogc=\"http://www.opengis.net/ogc\"");

        addAdditionalClauses(filter);

        if (query.getTitle() != null) {

            filter.addClauses(equiv.getTitle(), equiv.getTitleValue(query.getTitle(),query.getTitleFilter()), query.getTitleFilter(),

                "PropertyIsLike", "L", "And");

        }

        String operator = "And";

        if (query.isMinimized())

            operator = "Or";

        if (query.getAbstract() != null) {

            filter.addClauses(equiv.getAbstract(), Strings.addAsteriscsFromAnArray(query.getAbstract()),

                "Y", "PropertyIsLike", "L", operator);

        }

        if (query.getThemeKey() != null) {

            filter.addClauses(equiv.getThemeKey(), query.getThemeKey(), "Y",

                "PropertyIsLike", "L", "And");

        }

        if ((query.getTopic() != null) && (!query.getTopic().equals(query.getTranslator().getText("cathegoryAny")))) {

            filter.addClauses(equiv.getTopic(), equiv.getTopicValue(query.getTopic()),

                "E", "PropertyIsEqualTo", "L", "And");

        }

        /*

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

            query.addClauses(equiv.getScale(), this.getScale(), "E");

        }

        */

        if (query.getProvider() != null) {

            filter.addClauses(equiv.getProvider(), equiv.getProviderValue(query.getProvider()),

                 "E", "PropertyIsEqualTo" , "L", "And");

        }

        if (query.getDateFrom() != null) {

            filter.addClauses(equiv.getDateFrom(), query.getDateFrom(), "E", "PropertyIsGeaterThan" ,"L", "And");

        }

        if (query.getDateTo() != null) {

            filter.addClauses(equiv.getDateTo(), query.getDateTo(), "E", "PropertyIsLessThan", "L", "And");

        }

        if ((query.getCoordenates() != null) && (query.isCoordinatesClicked())){

            filter.addBoundingBox(query.getCoordenates(), equiv.getCoordinates(), getCoordinatesOption(query.getCoordenatesFilter()));

        }

        pregunta = filter.toString();

        return pregunta;

    }

    /**

     * This function returns true only when the user has choosen the 

     * "Fully Outside Of" of the coordinates option.

     * @param coordinatesOption

     * @return

     */    

    public boolean getCoordinatesOption(String coordinatesOption){

        if ((coordinatesOption.equals(query.getTranslator().getText("coordinatesEqual"))) ||

                (coordinatesOption.equals(query.getTranslator().getText("coordinatesContains"))) ||

                (coordinatesOption.equals(query.getTranslator().getText("coordinatesEnclose"))))

            return false;

        return true; 

    }

    /**

     * It sets the CSW profile

     * @param profile

     */

    public void setProfile(String profile) {

        if (profile.equals(Schemas.ISO19115)) {

            setEquiv(new ISO19115Schema());

        } else if (profile.equals(Schemas.DUBLINCORE))

            setEquiv(new DublinCoreSchema());

            else{

                setEquiv(new EbRIMSchema());

        }

    }

    /**

     * It adds the aditional clauses (for each profile)

     * @param query

     */

    public void addAdditionalClauses(FilterEncoding filter) {

        AdditionalClauses[] ac = equiv.getAdditionalClauses(null);

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

            filter.addClauses(ac[i].getProperty(), ac[i].getValue(),

                ac[i].getConcorancia(), ac[i].getRelationship(), ac[i].getType(),"And");

    }

    /**

     * @return Returns the equiv.

     */

    public ISchemas getEquiv() {

        return equiv;

    }

    /**

     * @param equiv The equiv to set.

     */

    public void setEquiv(ISchemas equiv) {

        this.equiv = equiv;

    }

}