01: /******************************************************************************
02: * JBoss, a division of Red Hat *
03: * Copyright 2006, Red Hat Middleware, LLC, and individual *
04: * contributors as indicated by the @authors tag. See the *
05: * copyright.txt in the distribution for a full listing of *
06: * individual contributors. *
07: * *
08: * This is free software; you can redistribute it and/or modify it *
09: * under the terms of the GNU Lesser General Public License as *
10: * published by the Free Software Foundation; either version 2.1 of *
11: * the License, or (at your option) any later version. *
12: * *
13: * This software is distributed in the hope that it will be useful, *
14: * but WITHOUT ANY WARRANTY; without even the implied warranty of *
15: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
16: * Lesser General Public License for more details. *
17: * *
18: * You should have received a copy of the GNU Lesser General Public *
19: * License along with this software; if not, write to the Free *
20: * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA *
21: * 02110-1301 USA, or see the FSF site: http://www.fsf.org. *
22: ******************************************************************************/package org.jboss.portal.search.impl;
23:
24: import org.jboss.portal.search.Query;
25: import org.jboss.portal.search.QueryConversionException;
26: import org.jboss.portal.search.SimpleQuery;
27: import org.jboss.portal.search.query.BooleanClause;
28: import org.jboss.portal.search.query.BooleanQuery;
29: import org.jboss.portal.search.query.Term;
30: import org.jboss.portal.search.query.TermQuery;
31:
32: import java.util.ArrayList;
33: import java.util.List;
34:
35: /**
36: * @author <a href="mailto:theute@jboss.org">Thomas Heute</a>
37: * @version $Revision: 8784 $
38: */
39: public class SimpleQueryConverter extends AbstractQueryConverter {
40:
41: public Query convertTermQuery(
42: org.apache.lucene.search.TermQuery luceneQuery) {
43: org.apache.lucene.index.Term term = ((org.apache.lucene.search.TermQuery) luceneQuery)
44: .getTerm();
45: return new TermQuery(new Term(term.field(), term.text()));
46: }
47:
48: public Query convertBooleanQuery(
49: org.apache.lucene.search.BooleanQuery luceneQuery) {
50: org.apache.lucene.search.BooleanQuery luceneBooleanQuery = (org.apache.lucene.search.BooleanQuery) luceneQuery;
51: org.apache.lucene.search.BooleanClause[] luceneClauses = luceneBooleanQuery
52: .getClauses();
53: List clauses = new ArrayList();
54: for (int i = 0; i < luceneClauses.length; i++) {
55: org.apache.lucene.search.BooleanClause luceneClause = luceneClauses[i];
56: try {
57: clauses
58: .add(new BooleanClause(
59: (SimpleQuery) convert(luceneClause.query),
60: luceneClause.required,
61: luceneClause.prohibited));
62: } catch (QueryConversionException e) {
63: e.printStackTrace();
64: }
65: }
66: return new BooleanQuery(clauses);
67: }
68:
69: }
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