How to use

newCall

method

in

okhttp3.OkHttpClient

public void sendGetRequest(String url) throws IOException {
 OkHttpClient client = new OkHttpClient();
 Request request = new Request.Builder().url(url).build();
 try (Response response = client.newCall(request).execute()) {
  String responseBody = response.body().string();
  // ... do something with response
 }
}

String run(String url) throws IOException {
 Request request = new Request.Builder()
   .url(url)
   .build();
 try (Response response = client.newCall(request).execute()) {
  return response.body().string();
 }
}

public void run() throws Exception {
 Request request = new Request.Builder()
   .url("http://httpbin.org/delay/2") // This URL is served with a 2 second delay.
   .build();
 try (Response response = client.newCall(request).execute()) {
  System.out.println("Response completed: " + response);
 }
}

public static void main(String... args) throws Exception {
 OkHttpClient client = new OkHttpClient();
 // Create request for remote resource.
 Request request = new Request.Builder()
   .url(ENDPOINT)
   .build();
 // Execute the request and retrieve the response.
 try (Response response = client.newCall(request).execute()) {
  // Deserialize HTTP response to concrete type.
  ResponseBody body = response.body();
  List<Contributor> contributors = CONTRIBUTORS_JSON_ADAPTER.fromJson(body.source());
  // Sort list by the most contributions.
  Collections.sort(contributors, (c1, c2) -> c2.contributions - c1.contributions);
  // Output list of contributors.
  for (Contributor contributor : contributors) {
   System.out.println(contributor.login + ": " + contributor.contributions);
  }
 }
}

 public static final MediaType JSON
  = MediaType.parse("application/json; charset=utf-8");

OkHttpClient client = new OkHttpClient();

String post(String url, String json) throws IOException {
 RequestBody body = RequestBody.create(JSON, json);
 Request request = new Request.Builder()
   .url(url)
   .post(body)
   .build();
 Response response = client.newCall(request).execute();
 return response.body().string();
}

private static Response call(String url) throws IOException {
 Request request = new Request.Builder().get().url(url).build();
 return new OkHttpClient().newCall(request).execute();
}

 public static final MediaType JSON = MediaType.parse("application/json; charset=utf-8");

OkHttpClient client = new OkHttpClient();

Call post(String url, String json, Callback callback) {
 RequestBody body = RequestBody.create(JSON, json);
 Request request = new Request.Builder()
   .url(url)
   .post(body)
   .build();
 Call call = client.newCall(request);
 call.enqueue(callback);
 return call;
}

public void run() throws Exception {
 Request request = new Request.Builder()
   .url("http://publicobject.com/helloworld.txt")
   .build();
 client.newCall(request).enqueue(new Callback() {
  @Override public void onFailure(Call call, IOException e) {
   e.printStackTrace();
  }
  @Override public void onResponse(Call call, Response response) throws IOException {
   try (ResponseBody responseBody = response.body()) {
    if (!response.isSuccessful()) throw new IOException("Unexpected code " + response);
    Headers responseHeaders = response.headers();
    for (int i = 0, size = responseHeaders.size(); i < size; i++) {
     System.out.println(responseHeaders.name(i) + ": " + responseHeaders.value(i));
    }
    System.out.println(responseBody.string());
   }
  }
 });
}

String post(String url, String json) throws IOException {
 RequestBody body = RequestBody.create(JSON, json);
 Request request = new Request.Builder()
   .url(url)
   .post(body)
   .build();
 try (Response response = client.newCall(request).execute()) {
  return response.body().string();
 }
}

public String post(String url,String json) throws IOException {
  OkHttpClient client = new OkHttpClient();
  RequestBody body = RequestBody.create(JSON, json);
  Request request = new Request.Builder()
      .url(url)
      .post(body)
      .build();
  Response response = client.newCall(request).execute();
  return response.body().string();
}

RequestBody formBody = new FormBody.Builder()
       .add("email", "Jurassic@Park.com")
       .add("tel", "90301171XX")
       .build();
   OkHttpClient client = new OkHttpClient();
   Request request = new Request.Builder()
       .url(url)
       .post(formBody)
       .build();
   Response response = client.newCall(request).execute();
   return response.body().string();

public void run() throws Exception {
 Request request = new Request.Builder()
   .url("https://publicobject.com/helloworld.txt")
   .build();
 try (Response response = client.newCall(request).execute()) {
  System.out.println(response.request().header("Date"));
 }
}

private Response call(String path) throws Exception {
 OkHttpClient client = new OkHttpClient();
 Request request = new Request.Builder()
  .url(jetty.getURI().resolve(path).toString())
  .build();
 return client.newCall(request).execute();
}

public static void sendOkHttpRequest(String address, okhttp3.Callback callback) {
  OkHttpClient client = new OkHttpClient();
  Request request = new Request.Builder().url(address).build();
  client.newCall(request).enqueue(callback);
}

public void run() throws Exception {
 Request washingtonPostRequest = new Request.Builder()
   .url("https://www.washingtonpost.com/")
   .build();
 client.newCall(washingtonPostRequest).enqueue(new Callback() {
  @Override public void onFailure(Call call, IOException e) {
  }
  @Override public void onResponse(Call call, Response response) throws IOException {
   try (ResponseBody body = response.body()) {
    // Consume and discard the response body.
    body.source().readByteString();
   }
  }
 });
 Request newYorkTimesRequest = new Request.Builder()
   .url("https://www.nytimes.com/")
   .build();
 client.newCall(newYorkTimesRequest).enqueue(new Callback() {
  @Override public void onFailure(Call call, IOException e) {
  }
  @Override public void onResponse(Call call, Response response) throws IOException {
   try (ResponseBody body = response.body()) {
    // Consume and discard the response body.
    body.source().readByteString();
   }
  }
 });
}

public void run() throws Exception {
 Request request = new Request.Builder()
   .url("https://publicobject.com/helloworld.txt")
   .build();
 try (Response response = client.newCall(request).execute()) {
  if (!response.isSuccessful()) throw new IOException("Unexpected code " + response);
  System.out.println(response.body().string());
 }
}

/**
 * Post string.
 *
 * @param url  the url
 * @param json the json
 * @return the string
 * @throws IOException the io exception
 */
public String post(final String url, final String json) throws IOException {
  OkHttpClient client = new OkHttpClient();
  RequestBody body = RequestBody.create(JSON, json);
  Request request = new Request.Builder()
      .url(url)
      .post(body)
      .build();
  Response response = client.newCall(request).execute();
  return response.body().string();
}

private final OkHttpClient client = new OkHttpClient();
public void run() throws Exception {
 RequestBody formBody = new FormEncodingBuilder()
   .add("search", "Jurassic Park")
   .build();
 Request request = new Request.Builder()
   .url("https://en.wikipedia.org/w/index.php")
   .post(formBody)
   .build();
 Response response = client.newCall(request).execute();
 if (!response.isSuccessful()) throw new IOException("Unexpected code " + response);
 System.out.println(response.body().string());
}

public void run() throws Exception {
 Request request = new Request.Builder()
   .url("https://api.github.com/repos/square/okhttp/issues")
   .header("User-Agent", "OkHttp Headers.java")
   .addHeader("Accept", "application/json; q=0.5")
   .addHeader("Accept", "application/vnd.github.v3+json")
   .build();
 try (Response response = client.newCall(request).execute()) {
  if (!response.isSuccessful()) throw new IOException("Unexpected code " + response);
  System.out.println("Server: " + response.header("Server"));
  System.out.println("Date: " + response.header("Date"));
  System.out.println("Vary: " + response.headers("Vary"));
 }
}

/**
 * Base64上传
 * @param data64
 * @return
 */
public String qiniuBase64Upload(String data64) {
  String key = renamePic("");
  // 服务端http://up-z2.qiniup.com 此处存储区域需自行修改
  String url = "http://up-z2.qiniup.com/putb64/-1/key/" + UrlSafeBase64.encodeToString(key);
  RequestBody rb = RequestBody.create(null, data64);
  Request request = new Request.Builder().
      url(url).
      addHeader("Content-Type", "application/octet-stream")
      .addHeader("Authorization", "UpToken " + getUpToken())
      .post(rb).build();
  OkHttpClient client = new OkHttpClient();
  okhttp3.Response response = null;
  try {
    response = client.newCall(request).execute();
  } catch (IOException e) {
    throw new XbootException("上传文件出错，请检查七牛云配置，" + e.toString());
  }
  return domain + "/" + key;
}