//Copyright (c) Microsoft Corporation. All rights reserved.

//Licensed under the MIT License.

// This sample uses the Apache HTTP client library(org.apache.httpcomponents:httpclient:4.2.4)

// and the org.json library (org.json:json:20170516). You can download these from Maven repo into lib directory of your project.

import java.net.URI;

import org.apache.http.HttpEntity;

import org.apache.http.HttpResponse;

import org.apache.http.client.HttpClient;

import org.apache.http.client.methods.HttpPost;

import org.apache.http.entity.StringEntity;

import org.apache.http.client.utils.URIBuilder;

import org.apache.http.impl.client.DefaultHttpClient;

import org.apache.http.util.EntityUtils;

import org.json.JSONObject;

public class Main

{

// **********************************************

// *** Update or verify the following values. ***

// **********************************************

// Replace the subscriptionKey string value with your valid subscription key.

public static final String subscriptionKey = "Enter key here";

// Replace or verify the region.

//

// You must use the same region in your REST API call as you used to obtain your subscription keys.

// For example, if you obtained your subscription keys from the westus region, replace

// "westcentralus" in the URI below with "westus".

//

// NOTE: Free trial subscription keys are generated in the westcentralus region, so if you are using

// a free trial subscription key, you should not need to change this region.

public static final String uriBase = "https://westcentralus.api.cognitive.microsoft.com/vision/v1.0/analyze";

public static void main(String[] args)

{

HttpClient httpclient = new DefaultHttpClient();

try

{

URIBuilder builder = new URIBuilder(uriBase);

// Request parameters. All of them are optional.

builder.setParameter("visualFeatures", "Categories,Description,Color");

builder.setParameter("language", "en");

// Prepare the URI for the REST API call.

URI uri = builder.build();

HttpPost request = new HttpPost(uri);

// Request headers.

request.setHeader("Content-Type", "application/json");

request.setHeader("Ocp-Apim-Subscription-Key", subscriptionKey);

// Request body.

StringEntity reqEntity = new StringEntity("{\"url\":\"https://upload.wikimedia.org/wikipedia/commons/1/12/Broadway_and_Times_Square_by_night.jpg\"}");

request.setEntity(reqEntity);

// Execute the REST API call and get the response entity.

HttpResponse response = httpclient.execute(request);

HttpEntity entity = response.getEntity();

if (entity != null)

{

// Format and display the JSON response.

String jsonString = EntityUtils.toString(entity);

JSONObject json = new JSONObject(jsonString);

System.out.println("REST Response:\n");

System.out.println(json.toString(2));

}

}

catch (Exception e)

{

// Display error message.

System.out.println(e.getMessage());

}

}

}