Save This Page
1 package org.apache.lucene.queryParser.standard.config;
2
3 /**
4 * Licensed to the Apache Software Foundation (ASF) under one or more
5 * contributor license agreements. See the NOTICE file distributed with
6 * this work for additional information regarding copyright ownership.
7 * The ASF licenses this file to You under the Apache License, Version 2.0
8 * (the "License"); you may not use this file except in compliance with
9 * the License. You may obtain a copy of the License at
10 *
11 * http://www.apache.org/licenses/LICENSE-2.0
12 *
13 * Unless required by applicable law or agreed to in writing, software
14 * distributed under the License is distributed on an "AS IS" BASIS,
15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 * See the License for the specific language governing permissions and
17 * limitations under the License.
18 */
19
20 import org.apache.lucene.document.DateTools;
21 import org.apache.lucene.queryParser.core.config.FieldConfig;
22 import org.apache.lucene.queryParser.core.config.FieldConfigListener;
23 import org.apache.lucene.queryParser.core.config.QueryConfigHandler;
24
25 /**
26 * This listener listens for every field configuration request and assign a
27 * {@link DateResolutionAttribute} to the equivalent {@link FieldConfig} based
28 * on a defined map: fieldName -> DateTools.Resolution stored in
29 * {@link FieldDateResolutionMapAttribute} in the
30 * {@link DateResolutionAttribute}.
31 *
32 * @see DateResolutionAttribute
33 * @see FieldDateResolutionMapAttribute
34 * @see FieldConfig
35 * @see FieldConfigListener
36 */
37 public class FieldDateResolutionFCListener implements FieldConfigListener {
38
39 private static final long serialVersionUID = -5929802948798314067L;
40
41 private QueryConfigHandler config = null;
42
43 public FieldDateResolutionFCListener(QueryConfigHandler config) {
44 this.config = config;
45 }
46
47 public void buildFieldConfig(FieldConfig fieldConfig) {
48 DateResolutionAttribute fieldDateResAttr = fieldConfig
49 .addAttribute(DateResolutionAttribute.class);
50 DateTools.Resolution dateRes = null;
51
52 if (this.config.hasAttribute(FieldDateResolutionMapAttribute.class)) {
53 FieldDateResolutionMapAttribute dateResMapAttr = this.config
54 .addAttribute(FieldDateResolutionMapAttribute.class);
55 dateRes = dateResMapAttr.getFieldDateResolutionMap().get(
56 fieldConfig.getFieldName().toString());
57 }
58
59 if (dateRes == null) {
60
61 if (this.config.hasAttribute(DateResolutionAttribute.class)) {
62 DateResolutionAttribute dateResAttr = this.config
63 .addAttribute(DateResolutionAttribute.class);
64 dateRes = dateResAttr.getDateResolution();
65
66 }
67
68 }
69
70 fieldDateResAttr.setDateResolution(dateRes);
71
72 }
73
74 }