1 | /*
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2 | * search.java
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3 | *
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4 | * Created on 25 February 2003, 02:25
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5 | */
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6 |
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7 |
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8 | /**
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9 | *
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10 | * @author [email protected]
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11 | * @author [email protected]
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12 | * @version
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13 | */
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14 |
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15 | import java.io.IOException;
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16 | import java.io.BufferedReader;
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17 | import java.io.InputStreamReader;
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18 |
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19 | import org.apache.lucene.analysis.Analyzer;
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20 | import org.apache.lucene.analysis.standard.StandardAnalyzer;
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21 | import org.apache.lucene.document.Document;
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22 | import org.apache.lucene.search.Searcher;
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23 | import org.apache.lucene.search.IndexSearcher;
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24 | import org.apache.lucene.search.Query;
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25 | import org.apache.lucene.search.Hits;
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26 | import org.apache.lucene.queryParser.QueryParser;
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27 | import org.apache.lucene.search.TermQuery;
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28 | import org.apache.lucene.index.Term;
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29 |
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30 | public class GS2LuceneQuery {
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31 |
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32 | public static void main (String args[]) {
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33 |
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34 | if (args.length == 0) {
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35 | System.out.println("Usage: GS2LuceneQuery <index directory>");
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36 | return;
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37 | }
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38 | try {
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39 | Searcher searcher = new IndexSearcher(args[0]);
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40 | Analyzer analyzer = new StandardAnalyzer();
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41 |
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42 | BufferedReader in = new BufferedReader(new InputStreamReader(System.in, "UTF-8"));
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43 | while (true) {
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44 | String line = in.readLine();
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45 |
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46 | if (line == null) {
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47 | break;
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48 | }
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49 |
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50 | if (line.length() == -1)
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51 | break;
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52 |
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53 |
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54 | // Term term = new Term("TX",line);
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55 | // Query query = new TermQuery(term);
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56 |
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57 | System.err.println("**** query = " + line);
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58 |
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59 | QueryParser query_parser = new QueryParser("TX", analyzer);
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60 | Query query = query_parser.parse(line);
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61 |
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62 | Hits hits = searcher.search(query);
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63 | System.out.println("<ResultSet>");
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64 | System.out.println(" <QueryString>" + query.toString("TX")+"</QueryString>");
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65 | System.out.println(" <MatchingDocsInfo num=\""+hits.length()+"\"/>");
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66 |
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67 | for (int i=0; i< hits.length(); i++) {
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68 | Document doc = hits.doc(i);
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69 | String node_id= doc.get("nodeID");
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70 | System.out.println(" <Match id=\""+node_id+"\"/>");
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71 | }
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72 | System.out.println("</ResultSet>");
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73 |
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74 | }
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75 |
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76 | searcher.close();
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77 | }
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78 | catch (Exception e) {
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79 | System.out.println(" caught a " + e.getClass() +
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80 | "\n with message: " + e.getMessage());
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81 | }
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82 | }
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83 | }
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