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/*

 * Created on 23-may-2005

 *

 * TODO To change the template for this generated file go to

 * Window - Preferences - Java - Code Style - Code Templates

 */

package es.gva.cit.catalogClient.languages;

import java.util.Iterator;

import java.util.StringTokenizer;

import java.util.Vector;

/**

 * @author jpiera

 *

 * TODO To change the template for this generated type comment go to

 * Window - Preferences - Java - Code Style - Code Templates

 */

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 String

         *                 

         */

        public String getOperator(String titleKeys){

                if (titleKeys.equals("Y"))

                        return "Or";

                else

                        return "And";

        }

}