01: /*
02: * Copyright 2002-2005 the original author or authors.
03: *
04: * Licensed under the Apache License, Version 2.0 (the "License");
05: * you may not use this file except in compliance with the License.
06: * You may obtain a copy of the License at
07: *
08: * http://www.apache.org/licenses/LICENSE-2.0
09: *
10: * Unless required by applicable law or agreed to in writing, software
11: * distributed under the License is distributed on an "AS IS" BASIS,
12: * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13: * See the License for the specific language governing permissions and
14: * limitations under the License.
15: */
16:
17: package info.jtrac.lucene;
18:
19: import info.jtrac.exception.SearchQueryParseException;
20: import java.util.List;
21: import org.apache.lucene.queryParser.ParseException;
22: import org.apache.lucene.queryParser.QueryParser;
23: import org.apache.lucene.search.Query;
24: import org.springmodules.lucene.search.core.HitExtractor;
25: import org.springmodules.lucene.search.core.LuceneSearchTemplate;
26: import org.springmodules.lucene.search.support.LuceneSearchSupport;
27:
28: /**
29: * Uses Spring Modules Lucene support, provides Lucene Index Searching support
30: * in classic Spring Template style
31: */
32: public class IndexSearcher extends LuceneSearchSupport {
33:
34: public boolean validateQuery(String text) {
35: QueryParser parser = new QueryParser("text", getAnalyzer());
36: try {
37: Query query = parser.parse(text);
38: } catch (ParseException e) {
39: return false;
40: }
41: return true;
42: }
43:
44: public List<Long> findItemIdsContainingText(String text) {
45: LuceneSearchTemplate template = getLuceneSearcherTemplate();
46: QueryParser parser = new QueryParser("text", getAnalyzer());
47: Query query;
48: try {
49: query = parser.parse(text);
50: } catch (ParseException e) {
51: e.printStackTrace();
52: throw new SearchQueryParseException(e.getMessage(), e);
53: }
54: HitExtractor hitExtractor = new ItemIdHitExtractor();
55: return template.search(query, hitExtractor);
56: }
57:
58: }
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