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 org.apache.streams.facebook.test; import org.apache.streams.facebook.Page; import org.apache.streams.facebook.api.FacebookPageActivitySerializer; import com.fasterxml.jackson.databind.DeserializationFeature; import com.fasterxml.jackson.databind.ObjectMapper; import com.google.common.base.Joiner; import org.apache.commons.io.IOUtils; import org.apache.commons.io.input.BoundedInputStream; import org.apache.streams.facebook.Post; import org.apache.streams.jackson.StreamsJacksonMapper; import org.apache.streams.pojo.json.Activity; import org.junit.Assert; import org.junit.Test; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import java.io.InputStream; public class FacebookActivityActorSerDeTest { private final static Logger LOGGER = LoggerFactory.getLogger(FacebookActivityActorSerDeTest.class); private FacebookPageActivitySerializer serializer = new FacebookPageActivitySerializer(); private ObjectMapper mapper = StreamsJacksonMapper.getInstance(); @Test public void Tests() throws Exception { mapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, Boolean.TRUE); mapper.configure(DeserializationFeature.ACCEPT_SINGLE_VALUE_AS_ARRAY, Boolean.TRUE); mapper.configure(DeserializationFeature.ACCEPT_EMPTY_STRING_AS_NULL_OBJECT, Boolean.TRUE); InputStream is = FacebookActivityActorSerDeTest.class.getResourceAsStream("/testpage.json"); Joiner joiner = Joiner.on(" ").skipNulls(); is = new BoundedInputStream(is, 10000); String json; json = joiner.join(IOUtils.readLines(is)); LOGGER.debug(json); Page page = mapper.readValue(json, Page.class); Activity activity = serializer.deserialize(page); LOGGER.debug(mapper.writeValueAsString(activity)); } }