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 * * 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.datasift.test; import com.fasterxml.jackson.databind.DeserializationFeature; import com.fasterxml.jackson.databind.ObjectMapper; import com.google.common.collect.Lists; import org.apache.streams.datasift.Datasift; import org.apache.streams.datasift.util.StreamsDatasiftMapper; import org.apache.streams.jackson.StreamsJacksonMapper; import org.junit.Assert; import org.junit.Ignore; import org.junit.Test; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import java.io.BufferedReader; import java.io.InputStream; import java.io.InputStreamReader; import java.util.ArrayList; import java.util.List; /** * */ public class DatasiftSerDeTest { private final static Logger LOGGER = LoggerFactory.getLogger(DatasiftSerDeTest.class); private ObjectMapper mapper = StreamsJacksonMapper .getInstance(Lists.newArrayList(StreamsDatasiftMapper.DATASIFT_FORMAT)); @Test public void Tests() { InputStream is = DatasiftSerDeTest.class.getResourceAsStream("/part-r-00000.json"); InputStreamReader isr = new InputStreamReader(is); BufferedReader br = new BufferedReader(isr); try { while (br.ready()) { String line = br.readLine(); LOGGER.debug(line); System.out.println(line); Datasift ser = mapper.readValue(line, Datasift.class); String de = mapper.writeValueAsString(ser); LOGGER.debug(de); Datasift serde = mapper.readValue(de, Datasift.class); Assert.assertEquals(ser, serde); LOGGER.debug(mapper.writeValueAsString(serde)); } } catch (Exception e) { e.printStackTrace(); Assert.fail(); } } }