Java tutorial
/* * Copyright (c) 2005-2014, WSO2 Inc. (http://www.wso2.org) All Rights Reserved. * * WSO2 Inc. 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.wso2.iot.refarch.rpi.agent.connector; import org.apache.http.client.HttpClient; import org.apache.http.client.methods.HttpPost; import org.apache.http.entity.BasicHttpEntity; import org.apache.http.impl.client.HttpClientBuilder; import org.json.simple.JSONObject; import java.io.ByteArrayInputStream; import java.io.IOException; import java.util.concurrent.ExecutionException; /* Service class that handles Payload sending to Server */ public class HttpService extends ConnectionService { String address; public HttpService(String address) { this.address = address; } public void sendPayload(JSONObject data) throws IOException, ExecutionException, InterruptedException { JSONObject dataObj = new JSONObject(); dataObj.put("data", data); HttpClient client = HttpClientBuilder.create().build(); System.out.println("Created HTTP Client"); HttpPost post = new HttpPost(address); post.setHeader("content-type", "application/json"); BasicHttpEntity he = new BasicHttpEntity(); he.setContent(new ByteArrayInputStream(dataObj.toString().getBytes())); post.setEntity(he); client.execute(post); System.out.println("Payload sent"); } }