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 org.apache.gobblin.writer; import java.util.Set; import org.apache.avro.generic.GenericRecord; import org.apache.http.client.methods.CloseableHttpResponse; import org.apache.http.client.methods.HttpUriRequest; import org.apache.http.impl.client.HttpClientBuilder; import com.google.common.collect.ImmutableMap; import com.typesafe.config.Config; import com.typesafe.config.ConfigFactory; import lombok.extern.slf4j.Slf4j; import org.apache.gobblin.http.ApacheHttpClient; import org.apache.gobblin.http.ApacheHttpResponseHandler; import org.apache.gobblin.http.ApacheHttpRequestBuilder; import org.apache.gobblin.utils.HttpConstants; import org.apache.gobblin.utils.HttpUtils; @Slf4j public class AvroHttpWriterBuilder extends AsyncHttpWriterBuilder<GenericRecord, HttpUriRequest, CloseableHttpResponse> { private static final Config FALLBACK = ConfigFactory.parseMap( ImmutableMap.<String, Object>builder().put(HttpConstants.CONTENT_TYPE, "application/json").build()); @Override public AvroHttpWriterBuilder fromConfig(Config config) { config = config.withFallback(FALLBACK); ApacheHttpClient client = new ApacheHttpClient(HttpClientBuilder.create(), config, broker); this.client = client; String urlTemplate = config.getString(HttpConstants.URL_TEMPLATE); String verb = config.getString(HttpConstants.VERB); String contentType = config.getString(HttpConstants.CONTENT_TYPE); this.asyncRequestBuilder = new ApacheHttpRequestBuilder(urlTemplate, verb, contentType); Set<String> errorCodeWhitelist = HttpUtils.getErrorCodeWhitelist(config); this.responseHandler = new ApacheHttpResponseHandler(errorCodeWhitelist); return this; } }