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. * ==================================================================== * * This software consists of voluntary contributions made by many * individuals on behalf of the Apache Software Foundation. For more * information on the Apache Software Foundation, please see * <http://www.apache.org/>. * */ package com.cland.accessstats.util; import cland.google.gdm.GMatrix; import org.apache.http.util.EntityUtils; import org.apache.http.HttpEntity; import org.apache.http.client.methods.CloseableHttpResponse; import org.apache.http.client.methods.HttpGet; import org.apache.http.impl.client.CloseableHttpClient; import org.apache.http.impl.client.HttpClients; import com.cland.accessstats.model.DataEntry; //import org.apache.http.message.BasicNameValuePair; //import org.apache.http.client.methods.HttpPost; import java.util.ArrayList; import java.util.List; //import org.apache.http.client.entity.UrlEncodedFormEntity; //import org.apache.http.NameValuePair; public class QuickStart { public static void main(String[] args) throws Exception { CloseableHttpClient httpclient = HttpClients.createDefault(); try { String origins = "-33.869952,18.537687"; String destinations = "-33.96979309231926,18.53386491408955|-33.90630759128996,18.40310809285091|-33.97761,18.46555"; String avoid = GMatrix.AVOID_HIGHWAYS + "|" + GMatrix.AVOID_TOLLS; String units = GMatrix.UNITS_DEFAULT; String language = ""; boolean sensor = true; String url = GMatrix.getUrl(origins, destinations, GMatrix.JSON, GMatrix.MOD_DRIVING, avoid, units, language, sensor); System.out.println("Connection to... " + url); //GET EXAMPLE HttpGet httpGet = new HttpGet(url); CloseableHttpResponse response1 = httpclient.execute(httpGet); // The underlying HTTP connection is still held by the response object // to allow the response content to be streamed directly from the network socket. // In order to ensure correct deallocation of system resources // the user MUST call CloseableHttpResponse#close() from a finally clause. // Please note that if response content is not fully consumed the underlying // connection cannot be safely re-used and will be shut down and discarded // by the connection manager. try { System.out.println(response1.getStatusLine()); HttpEntity entity1 = response1.getEntity(); // do something useful with the response body String result = EntityUtils.toString(entity1); // and ensure it is fully consumed EntityUtils.consume(entity1); //Process the result json data in the the into a collection DataEntry objects int num = 3; //we requested for 3 destinations List<DataEntry> dataentries = new ArrayList<DataEntry>(); for (int i = 0; i < num; i++) { String distance = GMatrix.getDistanceText(result, 0, i); String duration = GMatrix.getDurationText(result, 0, i); DataEntry d = new DataEntry(); d.setName("DESTINATION " + (i + 1)); d.setDistance(distance); d.setTravelTime(duration); dataentries.add(d); // System.out.println(">>> DESTINATION " + i); // System.out.println(">>>Distance text: " + distance); // System.out.println(">>>Duration : " + duration); } //end for loop //Now we can return the collection as JSON at this ONLY has google data only //Lets see wat we have so far for (DataEntry e : dataentries) { System.out.println(">>> " + e.getName() + ": Distance=" + e.getDistance() + ", Duration=" + e.getTravelTime()); } } finally { response1.close(); } // POST EXAMPLE // HttpPost httpPost = new HttpPost("http://targethost/login"); // List <NameValuePair> nvps = new ArrayList <NameValuePair>(); // nvps.add(new BasicNameValuePair("username", "vip")); // nvps.add(new BasicNameValuePair("password", "secret")); // httpPost.setEntity(new UrlEncodedFormEntity(nvps)); // CloseableHttpResponse response2 = httpclient.execute(httpPost); // // try { // System.out.println(response2.getStatusLine()); // HttpEntity entity2 = response2.getEntity(); // // do something useful with the response body // // and ensure it is fully consumed // EntityUtils.consume(entity2); // } finally { // response2.close(); // } } finally { httpclient.close(); } } }