/trunk/applications/appCatalogYNomenclatorClient/src/es/gva/cit/catalogClient/languages/BasicEncodingRules.java - | gvSIG desktop 1 - gvSIG

root / trunk / applications / appCatalogYNomenclatorClient / src / es / gva / cit / catalogClient / languages / BasicEncodingRules.java @ 2985

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       /* 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;
       /**
        * This class is used to create a Basic Encoding Rules (BER) query.
        * See the specification for more information.
+       *
        * @see http://www.loc.gov/z3950/agency/
        * @author Jorge Piera Llodra (piera_jor@gva.es)
        */
       public class BasicEncodingRules extends AbstractGeneralLanguage {
           /**
            * It adds a new clause to the query
            * @param use
            * It is a number that represent an attribute (4=Title,62=abstract,...)
            * @param structure
            * It defines the attribute type (1=Phrase,2=wors,...)
            * @param relation
            * Relation between the attribute and the query (1=LessThan,3=equal,...)
            * @param line
            * String with the user introduced value
            * @param concordancia
            * Relationship between different words of the same field (more than one words)
            * E,A o Y --> Exact, All, anY
            * @param operator
            * Relationship between fields (title, abstract)
            * 'and' or 'or'
            */
           public void addClauses(String use, String structure, String relation,
               String line, String concordancia,String operator) {
               currentClause = null;
               //Cut the words
               Iterator values = parseValues(line, concordancia);
               addClauses(use, structure, relation, values, concordancia,operator);
+          }
           /**
            * It realize the same function than the "addClauses(String use, String structure
            *        String relation,String line, String concordancia)" function, but the words
            *  to find are in a vector.
            * @param use
            * @param structure
            * @param relation
            * @param values
            * @param concordancia
            * @param operator
+           *
            */
           public void addClauses(String use, String structure, String relation,
               Iterator values, String concordancia, String operator) {
               while (values.hasNext())
                   addTerm(use, structure, relation, (String) values.next(),
                       getOperator(concordancia));
               addCurrentClauseQuery(operator);
+          }
           /**
            * Add a new serch field
            * @param use
            * BER use
            * @param structure
            * BER structure
            * @param relation
            * BER relation
            * @param value
            * Filed value
            * @param operator
            * "and" or "or"
            */
           private void addTerm(String use, String structure, String relation,
               String value, String operator) {
               StringBuffer term = new StringBuffer();
               if (use != null) {
                   term.append("@attr 1=" + use + " ");
+              }
               if (structure != null) {
                   term.append("@attr 4=" + structure + " ");
+              }
               if (relation != null) {
                   term.append("@attr 2=" + relation + " ");
+              }
               term.append("\"" + value + "\" ");
               if (currentClause == null) {
                   currentClause = term.toString();
               } else {
                   currentClause = "@" + operator + " " + currentClause + " " + term;
+              }
+          }
           /**
            * It adds a new query to the current query.
+           *
            * @param operator
            * 'and' or 'or'. Relation between fields
            */
           protected void addCurrentClauseQuery(String operator) {
               if (currentClause != null) {
                   if (currentQuery == null) {
                       currentQuery = currentClause;
                   } else {
                       currentQuery = "@" + operator + " " + currentQuery + " " + currentClause;
+                  }
+              }
+          }
          /**
           * It returns the complete BER query
           */
           public String toString() {
               return "@attrset geo " + currentQuery;
+          }
+      }