Java tutorial
/* * To change this license header, choose License Headers in Project Properties. * To change this template file, choose Tools | Templates * and open the template in the editor. */ package com.computationnode; import javax.ws.rs.POST; import javax.ws.rs.Path; import javax.ws.rs.Produces; import javax.ws.rs.Consumes; import javax.ws.rs.core.MediaType; import com.fasterxml.jackson.databind.ObjectMapper; import java.io.IOException; import javax.ws.rs.core.Response; /** * * @author gleab */ @Path("/sum") public class Summator { @POST @Consumes(MediaType.APPLICATION_JSON) @Produces(MediaType.APPLICATION_JSON) public Response sum(String inputValues) throws IOException { ObjectMapper mapper = new ObjectMapper(); String responseString = new String(); try { Double[] inputArray = mapper.readValue(inputValues, Double[].class); double result = 0; for (int i = 0; i < inputArray.length; ++i) { result += inputArray[i]; } responseString = "[" + result + "]"; } catch (IOException e) { return Response.serverError().entity(e.toString()).build(); } return Response.ok(responseString, MediaType.APPLICATION_JSON).build(); } }