com.computationnode.Multiplier.java Source code

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Here is the source code for com.computationnode.Multiplier.java

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/*
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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("/multiply")
public class Multiplier {

    @POST
    @Consumes(MediaType.APPLICATION_JSON)
    @Produces(MediaType.APPLICATION_JSON)
    public Response multiply(String inputValues) throws IOException {
        ObjectMapper mapper = new ObjectMapper();
        String responseString = new String();
        try {
            Double[] inputArray = mapper.readValue(inputValues, Double[].class);
            if (inputArray.length % 2 != 0) {
                return Response.serverError().entity("Something wrong").build();
            }
            double[] resultArray = new double[inputArray.length / 2];
            for (int i = 0; i < inputArray.length; i += 2) {
                resultArray[i / 2] = inputArray[i] * inputArray[i + 1];
            }
            responseString = mapper.writeValueAsString(resultArray);
        } catch (IOException e) {
            return Response.serverError().entity(e.toString()).build();
        }
        return Response.ok(responseString, MediaType.APPLICATION_JSON).build();
    }

}