package org.apache.lucene.queryParser.standard.config;
/**
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import org.apache.lucene.document.DateTools;
import org.apache.lucene.queryParser.core.config.FieldConfig;
import org.apache.lucene.queryParser.core.config.FieldConfigListener;
import org.apache.lucene.queryParser.core.config.QueryConfigHandler;
import org.apache.lucene.queryParser.standard.config.StandardQueryConfigHandler.ConfigurationKeys;
/**
* This listener listens for every field configuration request and assign a
* {@link DateResolutionAttribute} to the equivalent {@link FieldConfig} based
* on a defined map: fieldName -> DateTools.Resolution stored in
* {@link FieldDateResolutionMapAttribute} in the
* {@link DateResolutionAttribute}.
*
* @see DateResolutionAttribute
* @see FieldDateResolutionMapAttribute
* @see FieldConfig
* @see FieldConfigListener
*/
public class FieldDateResolutionFCListener implements FieldConfigListener {
private static final long serialVersionUID = -5929802948798314067L;
private QueryConfigHandler config = null;
public FieldDateResolutionFCListener(QueryConfigHandler config) {
this.config = config;
}
public void buildFieldConfig(FieldConfig fieldConfig) {
DateTools.Resolution dateRes = null;
if (this.config.has(ConfigurationKeys.FIELD_DATE_RESOLUTION_MAP)) {
dateRes = this.config.get(ConfigurationKeys.FIELD_DATE_RESOLUTION_MAP).get(
fieldConfig.getField());
}
if (dateRes == null) {
dateRes = this.config.get(ConfigurationKeys.DATE_RESOLUTION);
}
fieldConfig.addAttribute(DateResolutionAttribute.class).setDateResolution(dateRes);
// uncomment code below when deprecated query parser attributes are removed
// fieldConfig.set(ConfigurationKeys.DATE_RESOLUTION, dateRes);
}
}