Java tutorial
/** * 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 com.pinterest.secor.parser; import com.fasterxml.jackson.core.type.TypeReference; import com.fasterxml.jackson.databind.ObjectMapper; import com.pinterest.secor.common.SecorConfig; import com.pinterest.secor.message.Message; import org.msgpack.jackson.dataformat.MessagePackFactory; import java.util.HashMap; /** * MessagePack timestamped message parser. * Requires a second or ms timestamp. * Does not support message.timestamp.input.pattern. * * @author Zack Dever (zack@rd.io) */ public class MessagePackParser extends TimestampedMessageParser { private ObjectMapper mMessagePackObjectMapper; private TypeReference mTypeReference; public MessagePackParser(SecorConfig config) { super(config); mMessagePackObjectMapper = new ObjectMapper(new MessagePackFactory()); mTypeReference = new TypeReference<HashMap<String, Object>>() { }; } @Override public long extractTimestampMillis(Message message) throws Exception { HashMap<String, Object> msgHash = mMessagePackObjectMapper.readValue(message.getPayload(), mTypeReference); Object timestampValue = msgHash.get(mConfig.getMessageTimestampName()); if (timestampValue instanceof Number) { return toMillis(((Number) timestampValue).longValue()); } else if (timestampValue instanceof String) { return toMillis(Long.parseLong((String) timestampValue)); } else { return toMillis((Long) timestampValue); } } }