import java.io.InputStream; import java.lang.System; import org.apache.http.HttpResponse; import org.apache.http.client.methods.HttpPost; import org.apache.http.entity.StringEntity; import org.apache.http.impl.client.HttpClientBuilder; import org.apache.commons.io.IOUtils; import org.apache.http.impl.client.CloseableHttpClient; public class GastonJSClient{ public static void main(String[] args) throws Exception{ // write your code here String visitPage = "{\n" + " \"name\": \"visit\",\n" + " \"args\":[\n" + " \"http://www.google.es\"\n" + " ]\n" + "}"; String renderPage = "{\"name\":\"render\",\"args\":[\"/Users/juan/Downloads/page_image.png\",true,null]}"; CloseableHttpClient httpClient = HttpClientBuilder.create().build(); try { //Do the visit HttpPost request = new HttpPost("http://127.0.0.1:8510/v1/api"); StringEntity params = new StringEntity(visitPage); request.addHeader("content-type", "application/json"); request.setEntity(params); HttpResponse response = httpClient.execute(request); InputStream body = response.getEntity().getContent(); String myString = IOUtils.toString(body, "UTF-8"); System.out.println(myString); //Do the page print params = new StringEntity(renderPage); request.setEntity(params); response = httpClient.execute(request); body = response.getEntity().getContent(); myString = IOUtils.toString(body, "UTF-8"); System.out.println(myString); // handle response here... } catch (Exception ex) { // handle exception here System.out.println(ex.toString()); } finally { httpClient.close(); } } }