source: trunk/src/org/expeditee/agents/SearchGreenstoneByTitle.java@ 636

package org.expeditee.agents;

import java.util.Collections;
import java.util.Map;
import java.util.Vector;

import org.expeditee.greenstone.Result;
import org.expeditee.greenstone.ResultDocument;
import org.expeditee.gui.FrameCreator;

public class SearchGreenstoneByTitle extends SearchGreenstone {

        public SearchGreenstoneByTitle(int resultsCount, String searchText) {
                super(resultsCount, searchText);
        }
        
        public SearchGreenstoneByTitle(String searchText) {
                super(searchText);
        }
        
        public SearchGreenstoneByTitle() {
                super();
        }

        protected void createResults() {
                if (_titleMap.isEmpty()) {
                        initialiseTitleMap(_currentResultSet);
                }
                viewByTitle(_titleMap, _results);
        }

        public void initialiseTitleMap(Vector<Result> results) {
                for (Result result : results) {
                        String docID = result.getDocID();

                        ResultDocument rd = _gsdl.getDocument(docID);

                        if (rd.metadataExists("Title")) {
                                _titleMap.put(rd.getTitle(), docID);
                        }
                }
        }

        /**
         * This method provides an alternative view of the result set It uses the
         * dateMap which organises results according to the year in which they were
         * published
         * 
         * You will need to write a similar method for any additional view that you
         * implement
         * 
         * You may wish to modify this method to provide a better layout of the
         * output
         */
        private void viewByTitle(Map<String, String> titleMap,
                        FrameCreator results) {
                Vector<String> theTitles = new Vector<String>(titleMap.keySet());
                Collections.sort(theTitles);

                for (String title : theTitles) {
                        String id = titleMap.get(title);

                        ResultDocument rd = _gsdl.getDocument(id);

                        addText(rd, results, rd.getTitle());
                }
        }
}