67 lines
2.7 KiB
Java
67 lines
2.7 KiB
Java
package com.gmgauthier.client;
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import org.json.JSONObject;
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import java.io.IOException;
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import java.math.BigDecimal;
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import java.net.URI;
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import java.net.URISyntaxException;
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import java.net.http.HttpClient;
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import java.net.http.HttpRequest;
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import java.net.http.HttpResponse;
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public class CalculatorClient {
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private String DEFAULT_ROOT_URL = "http://localhost:9090";
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static HttpClient httpClient;
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public CalculatorClient() {
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httpClient = HttpClient.newHttpClient();
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}
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public CalculatorClient(String serverUrl) {
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this.DEFAULT_ROOT_URL = serverUrl;
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httpClient = HttpClient.newHttpClient();
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}
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public Integer getSum(Integer operanda, Integer operandb)
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throws URISyntaxException, IOException, InterruptedException {
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URI addUrl = new URI(DEFAULT_ROOT_URL + "/sum");
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JSONObject postJson = new JSONObject().put("values", new Integer[] {operanda, operandb});
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return (Integer) new JSONObject(makeRequest(addUrl, postJson).body()).get("sum");
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}
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public Integer getDifference(Integer operanda, Integer operandb)
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throws URISyntaxException, IOException, InterruptedException {
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URI addUrl = new URI(DEFAULT_ROOT_URL + "/difference");
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JSONObject postJson = new JSONObject().put("values", new Integer[] {operanda, operandb});
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return (Integer) new JSONObject(makeRequest(addUrl, postJson).body()).get("difference");
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}
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public Integer getProduct(Integer operanda, Integer operandb)
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throws URISyntaxException, IOException, InterruptedException {
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URI addUrl = new URI(DEFAULT_ROOT_URL + "/product");
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JSONObject postJson = new JSONObject().put("values", new Integer[] {operanda, operandb});
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return (Integer) new JSONObject(makeRequest(addUrl, postJson).body()).get("product");
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}
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public Double getQuotient(Integer operanda, Integer operandb)
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throws URISyntaxException, IOException, InterruptedException {
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URI addUrl = new URI(DEFAULT_ROOT_URL + "/quotient");
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JSONObject postJson = new JSONObject().put("values", new Integer[] {operanda, operandb});
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JSONObject response = new JSONObject(makeRequest(addUrl, postJson).body());
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String val = response.get("quotient").toString();
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return Double.valueOf(val);
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}
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private HttpResponse<String> makeRequest(URI uri, JSONObject jsonBody)
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throws IOException, InterruptedException {
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HttpRequest httpRequest = HttpRequest.newBuilder()
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.header("Content-Type","application/json")
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.uri(uri)
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.POST(HttpRequest.BodyPublishers.ofString(String.valueOf(jsonBody)))
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.build();
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return httpClient.send(httpRequest, HttpResponse.BodyHandlers.ofString());
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}
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}
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