/*
* Copyright 2013 Eediom Inc.
*
* Licensed 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.
*/
package org.araqne.log.api;
import java.util.HashMap;
import java.util.Map;
import java.util.Map.Entry;
public class FieldMappingParser extends V1LogParser {
private Map<String, String> mappings = new HashMap<String, String>();
public FieldMappingParser(Map<String, String> config) {
String line = config.get("mappings");
String[] tokens = line.split(",");
for (String token : tokens) {
int p = token.indexOf('=');
String from = token.substring(0, p);
String to = token.substring(p + 1);
mappings.put(from, to);
}
}
@Override
public Map<String, Object> parse(Map<String, Object> params) {
for (Entry<String, String> mapping : mappings.entrySet()) {
Object value = params.remove(mapping.getKey());
params.put(mapping.getValue(), value);
}
return params;
}
}