/*
 * 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.
 *
 */
package org.apache.eagle.security.hbase.parse;


import org.apache.eagle.dataproc.impl.storm.kafka.SpoutKafkaMessageDeserializer;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import java.util.Map;
import java.util.Properties;
import java.util.TreeMap;


public class HbaseAuditLogKafkaDeserializer implements SpoutKafkaMessageDeserializer {
    private static Logger LOG = LoggerFactory.getLogger(HbaseAuditLogKafkaDeserializer.class);
    private Properties props;

    public HbaseAuditLogKafkaDeserializer(Properties props){
        this.props = props;
    }

    @Override
    public Object deserialize(byte[] arg0) {
        String logLine = new String(arg0);

        HbaseAuditLogParser parser = new HbaseAuditLogParser();
        try{
            HbaseAuditLogObject entity = parser.parse(logLine);
            if(entity == null) return null;

            Map<String, Object> map = new TreeMap<String, Object>();
            map.put("action", entity.action);
            map.put("host", entity.host);
            map.put("status", entity.status);
            map.put("request", entity.request);
            map.put("scope", entity.scope);
            map.put("user", entity.user);
            map.put("timestamp", entity.timestamp);
            return map;
        }catch(Exception ex){
            LOG.error("Failing parse audit log:" + logLine, ex);
            return null;
        }
    }

}
