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1
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2 package global.web.tools;
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3
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4 import java.io.IOException;
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5 import java.io.PrintWriter;
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6 import javax.servlet.http.HttpServlet;
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7 import javax.servlet.http.HttpServletRequest;
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8 import javax.servlet.http.HttpServletResponse;
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9 import org.slf4j.Logger;
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10 import org.slf4j.LoggerFactory;
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11 import org.apache.lucene.queryParser.QueryParser;
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12 import org.apache.lucene.queryParser.ParseException;
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13 import org.apache.lucene.search.IndexSearcher;
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14 import org.apache.lucene.search.Query;
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15 import org.apache.lucene.search.TopDocs;
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16 import org.apache.lucene.search.ScoreDoc;
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17 import org.apache.lucene.util.Version;
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18 import nabble.view.lib.Jtp;
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19 import global.Site;
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20
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21
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22 public final class Search extends HttpServlet {
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23 private static final Logger logger = LoggerFactory.getLogger(Search.class);
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24
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25 protected void service(HttpServletRequest request,HttpServletResponse response)
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26 throws IOException
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27 {
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28 PrintWriter out = response.getWriter();
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29 String query = request.getParameter("query");
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30 IndexSearcher searcher;
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31 Query q;
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32 TopDocs hits;
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33 try {
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34 searcher = new IndexSearcher(Site.dir());
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35 QueryParser parser = new QueryParser(Version.LUCENE_CURRENT,Site.SUBJECT_FLD,Site.analyzer);
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36 parser.setDefaultOperator(QueryParser.AND_OPERATOR);
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37 q = parser.parse(query);
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38 hits = searcher.search(q,100);
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39 } catch(IOException e) {
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40 throw new RuntimeException(e);
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41 } catch(ParseException e) {
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42 throw new RuntimeException(e);
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43 }
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44 try {
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45
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46 out.print( "\r\n<html>\r\n <head>\r\n <title>Nabble Search Result</title>\r\n </head>\r\n <body>\r\n <h1>Nabble Search for: " );
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47 out.print( (q) );
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48 out.print( "</h1>\r\n <h3>showing " );
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49 out.print( (hits.scoreDocs.length) );
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50 out.print( " out of " );
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51 out.print( (hits.totalHits) );
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52 out.print( " results</h3>\r\n " );
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53
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54 for( ScoreDoc sd : hits.scoreDocs ) {
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55 Site site = new Site( searcher.doc(sd.doc) );
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56
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57 out.print( "\r\n<p>" );
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58 out.print( (site.link()) );
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59 out.print( "</p>\r\n" );
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60
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61 }
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62
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63 out.print( "\r\n</body>\r\n</html>\r\n" );
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64
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65 } finally {
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66 searcher.close();
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67 }
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68 }
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69
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70 }
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71
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