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 org.gvsig.i18n.Messages;

import es.gva.cit.catalogClient.csw.drivers.CSWMessages;

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.ISO19115Schema;

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

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() {        

        super();

    } 

/**

 * Return a CQL-Text query

 * 

 * 

 * @param query 

 * @return String

 * @param profile 

 */

    public String getQuery(Query query, 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) {

            if (CSWMessages.getUrl().getHost().equals("laits.gmu.edu")){

                    if (query.getSearchType() == Query.SEARCH_DATA){

                            StringBuffer buffer = new StringBuffer();

                            buffer.append("<ogc:Filter xmlns:ogc=\"http://www.opengis.net/ogc\">");

                            buffer.append("<ogc:PropertyIsLike wildCard=\"*\" singleChar=\"?\" escapeChar=\"\\\">");

                            buffer.append("<ogc:PropertyName>/DataGranule/name</ogc:PropertyName>");

                            buffer.append("<ogc:Literal>*" + query.getTitle() + "*</ogc:Literal>");

                            buffer.append("</ogc:PropertyIsLike>");

                            buffer.append("</ogc:Filter>");

                            return buffer.toString();

                    }else{

                            StringBuffer buffer = new StringBuffer();

                            buffer.append("<ogc:Filter xmlns:ogc=\"http://www.opengis.net/ogc\">");

                            buffer.append("<ogc:And>");

                            buffer.append("<ogc:PropertyIsEqualTo>");

                            buffer.append("<ogc:PropertyName>/Service/@id</ogc:PropertyName>");

                            buffer.append("<ogc:PropertyName>/Classification/@classifiedObject</ogc:PropertyName>");

                            buffer.append("</ogc:PropertyIsEqualTo>");

                            buffer.append("<ogc:PropertyIsEqualTo>");

                            buffer.append("<ogc:PropertyName>/Classification/@classificationNode</ogc:PropertyName>");

                            buffer.append("<ogc:PropertyName>/ClassificationNode/@id</ogc:PropertyName>");

                            buffer.append("</ogc:PropertyIsEqualTo>");

                            buffer.append("<ogc:PropertyIsEqualTo>");

                            buffer.append("<ogc:PropertyName>/ClassificationNode/@code</ogc:PropertyName>");

                            buffer.append("<ogc:Literal>" + query.getTitle() + "</ogc:Literal>");

                            buffer.append("</ogc:PropertyIsEqualTo>");

                            buffer.append("</ogc:And>");

                            buffer.append("</ogc:Filter>");

                            return buffer.toString();

                    }

            }else{

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

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

            }

        }     

        if (query.isMinimized()){

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

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

                    "Y", "PropertyIsLike", "L", "Or");

            }

        }else{

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

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

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

              }

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

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

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

              }

            if ((query.getTopic() != null) && (!query.getTopic().equals(Messages.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.

 * 

 * 

 * @return 

 * @param translator 

 * @param coordinatesOption 

 */

    public boolean getCoordinatesOption(String coordinatesOption) {        

        if ((coordinatesOption.equals(Messages.getText("coordinatesEqual"))) ||

                (coordinatesOption.equals(Messages.getText("coordinatesContains"))) ||

                (coordinatesOption.equals(Messages.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 filter 

 */

    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;

    } 

 }