Java tutorial
/** * Copyright 2014 Flipkart Internet Pvt. Ltd. * <p/> * Licensed 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 * <p/> * http://www.apache.org/licenses/LICENSE-2.0 * <p/> * 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.flipkart.foxtrot.client.handlers; import com.fasterxml.jackson.core.type.TypeReference; import com.fasterxml.jackson.databind.ObjectMapper; import com.flipkart.foxtrot.client.Document; import org.apache.http.HttpException; import org.apache.http.HttpRequest; import org.apache.http.HttpResponse; import org.apache.http.message.BasicHttpEntityEnclosingRequest; import org.apache.http.protocol.HttpContext; import org.apache.http.protocol.HttpRequestHandler; import org.apache.http.util.EntityUtils; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import java.io.IOException; import java.util.List; import java.util.concurrent.atomic.AtomicInteger; public class DummyEventHandler implements HttpRequestHandler { private static final Logger logger = LoggerFactory.getLogger(DummyEventHandler.class.getSimpleName()); private static final ObjectMapper mapper = new ObjectMapper(); private AtomicInteger counter = new AtomicInteger(0); @Override public void handle(HttpRequest request, HttpResponse response, HttpContext context) throws HttpException, IOException { try { BasicHttpEntityEnclosingRequest post = (BasicHttpEntityEnclosingRequest) request; List<Document> documents = mapper.readValue(EntityUtils.toByteArray(post.getEntity()), new TypeReference<List<Document>>() { }); counter.addAndGet(documents.size()); logger.info("Received {} documents.", documents.size()); } catch (Exception e) { logger.error("Error: ", e); } response.setStatusCode(201); } public AtomicInteger getCounter() { return counter; } }