01: package org.apache.lucene.xmlparser.builders;
02:
03: import java.util.HashMap;
04:
05: import org.apache.lucene.search.Query;
06: import org.apache.lucene.search.spans.SpanQuery;
07: import org.apache.lucene.xmlparser.ParserException;
08: import org.w3c.dom.Element;
09:
10: /**
11: * Licensed to the Apache Software Foundation (ASF) under one or more
12: * contributor license agreements. See the NOTICE file distributed with
13: * this work for additional information regarding copyright ownership.
14: * The ASF licenses this file to You under the Apache License, Version 2.0
15: * (the "License"); you may not use this file except in compliance with
16: * the License. You may obtain a copy of the License at
17: *
18: * http://www.apache.org/licenses/LICENSE-2.0
19: *
20: * Unless required by applicable law or agreed to in writing, software
21: * distributed under the License is distributed on an "AS IS" BASIS,
22: * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
23: * See the License for the specific language governing permissions and
24: * limitations under the License.
25: */
26: /**
27: * @author maharwood
28: */
29: public class SpanQueryBuilderFactory implements SpanQueryBuilder {
30:
31: HashMap builders = new HashMap();
32:
33: public Query getQuery(Element e) throws ParserException {
34: return getSpanQuery(e);
35: }
36:
37: public void addBuilder(String nodeName, SpanQueryBuilder builder) {
38: builders.put(nodeName, builder);
39: }
40:
41: public SpanQuery getSpanQuery(Element e) throws ParserException {
42: SpanQueryBuilder builder = (SpanQueryBuilder) builders.get(e
43: .getNodeName());
44: if (builder == null) {
45: throw new ParserException(
46: "No SpanQueryObjectBuilder defined for node "
47: + e.getNodeName());
48: }
49: return builder.getSpanQuery(e);
50: }
51:
52: }
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