| gvSIG desktop 1

/* 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.languages;

import java.util.Iterator;

import java.util.StringTokenizer;

import java.util.Vector;

/**

 * All classes that implement a "Language" must to inherit of this class

 *

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

 */

public abstract class AbstractGeneralLanguage implements ILanguages {

    String currentQuery = null;

    String currentClause = null;

    /**

     * Divide a phrase in lines

     *

     * @param line

     * phrase to search

     * @param concordancia

     * If is 'E' (exact) don't divide

     * @return Iteraror

     * A set of words

     */

    public Iterator parseValues(String line, String titleKeys) {

        Vector values = new Vector();

        if (titleKeys.equals("E")) {

            values.add(line);

            return values.iterator();

        }

        StringTokenizer doubleQuotesTokenizer = new StringTokenizer(line, "\"",

                true);

        boolean inside = false;

        while (doubleQuotesTokenizer.hasMoreTokens()) {

            String token = doubleQuotesTokenizer.nextToken();

            if (token.equals("\"")) {

                inside = !inside;

            } else if (inside) {

                values.add(token);

            } else {

                StringTokenizer spaceTokenizer = new StringTokenizer(token, " ");

                while (spaceTokenizer.hasMoreTokens()) {

                    String value = spaceTokenizer.nextToken();

                    values.add(value);

                }

            }

        }

        return values.iterator();

    }

    /**

     * Return logic operators

     * @param titleKeys

     * E,A o Y --> Exact, All, anY

     * @return 

     * Or or And

     */

    public String getOperator(String titleKeys) {

         if (titleKeys.equals("Y")) {

            return "Or";

        } else {

            return "And";

        }

    }

}