package org.apache.lucene.queryparser.flexible.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 java.util.Map;
import org.apache.lucene.queryparser.flexible.core.config.FieldConfig;
import org.apache.lucene.queryparser.flexible.core.config.FieldConfigListener;
import org.apache.lucene.queryparser.flexible.core.config.QueryConfigHandler;
import org.apache.lucene.queryparser.flexible.standard.config.StandardQueryConfigHandler.ConfigurationKeys;
/**
* This listener is used to listen to {@link FieldConfig} requests in
* {@link QueryConfigHandler} and add {@link ConfigurationKeys#NUMERIC_CONFIG}
* based on the {@link ConfigurationKeys#NUMERIC_CONFIG_MAP} set in the
* {@link QueryConfigHandler}.
*
* @see NumericConfig
* @see QueryConfigHandler
* @see ConfigurationKeys#NUMERIC_CONFIG
* @see ConfigurationKeys#NUMERIC_CONFIG_MAP
*/
public class NumericFieldConfigListener implements FieldConfigListener {
final private QueryConfigHandler config;
/**
* Construcs a {@link NumericFieldConfigListener} object using the given {@link QueryConfigHandler}.
*
* @param config the {@link QueryConfigHandler} it will listen too
*/
public NumericFieldConfigListener(QueryConfigHandler config) {
if (config == null) {
throw new IllegalArgumentException("config cannot be null!");
}
this.config = config;
}
@Override
public void buildFieldConfig(FieldConfig fieldConfig) {
Map<String,NumericConfig> numericConfigMap = config
.get(ConfigurationKeys.NUMERIC_CONFIG_MAP);
if (numericConfigMap != null) {
NumericConfig numericConfig = numericConfigMap
.get(fieldConfig.getField());
if (numericConfig != null) {
fieldConfig.set(ConfigurationKeys.NUMERIC_CONFIG, numericConfig);
}
}
}
}