Java Callback類代碼示例

import com.squareup.okhttp.Callback; //導入依賴的package包/類
@Test
public void shouldSendGetRequestAndReceiveException() {
  final Request request = new com.squareup.okhttp.Request.Builder()
      .url(URI)
      .method("GET", null)
      .build();
  when(okHttpClient.newCall(argThat(new RequestMatcher(request)))).thenReturn(call);
  doAnswer(invocation -> {
    final Callback callback = invocation.getArgument(0);
    callback.onFailure(request, new IOException());
    return Void.TYPE;
  }).when(call).enqueue(isA(Callback.class));
  final CompletionStage<com.spotify.apollo.Response<ByteString>> response =
      client.send(com.spotify.apollo.Request.forUri(URI, "GET").withTtl(Duration.ofMillis(100)));
  verify(okHttpClient).setReadTimeout(100, TimeUnit.MILLISECONDS);
  assertTrue(response.toCompletableFuture().isCompletedExceptionally());
}
 

import com.squareup.okhttp.Callback; //導入依賴的package包/類
Call post(Callback callback) throws IOException {
    OkHttpClient client = getUnsafeOkHttpClient();
    CookieManager cookieManager = new CookieManager();
    cookieManager.setCookiePolicy(CookiePolicy.ACCEPT_ALL);
    client.setCookieHandler(cookieManager);
    RequestBody requestBody = new FormEncodingBuilder()
            .add("user_id", NetId)
            .add("user_password", password)
            .build();
    Request request = new Request.Builder()
            .url("https://studentmaintenance.webapps.snu.edu.in/students/public/studentslist/studentslist/loginauth")
            .post(requestBody)
            .build();
    Call call = client.newCall(request);
    call.enqueue(callback);
    return call;
}
 

import com.squareup.okhttp.Callback; //導入依賴的package包/類
public static void startParse(final String storeName, final Context context, final SpiceManager spiceManager) {
    Toast.makeText(context, AptoideUtils.StringUtils.getFormattedString(context, R.string.subscribing, storeName), Toast.LENGTH_SHORT).show();

    GetSimpleStoreRequest request = new GetSimpleStoreRequest();
    request.store_name = storeName;

    CheckSimpleStoreListener checkStoreListener = new CheckSimpleStoreListener();
    checkStoreListener.callback = new CheckSimpleStoreListener.Callback() {
        @Override
        public void onSuccess() {
            addStoreOnCloud(storeName, context, spiceManager);
        }
    };

    spiceManager.execute(request, checkStoreListener);
}
 

import com.squareup.okhttp.Callback; //導入依賴的package包/類
/**
 * Execute a simple request (knock at the door) to the given URL.
 * @param url
 */
public static void knock(String url) {
    OkHttpClient client = new OkHttpClient();

    Request click = new Request.Builder().url(url).build();

    client.newCall(click).enqueue(new Callback() {
        @Override
        public void onFailure(Request request, IOException e) {
        }

        @Override
        public void onResponse(Response response) throws IOException {
        }
    });
}
 

import com.squareup.okhttp.Callback; //導入依賴的package包/類
public void execute(final Task task) {
    log.info("Started task with {} urls", task.getUrls().size());
    task.start();
    for(int i = 0; i < task.getUrls().size(); i++) {
        final int index = i;
        final long time = System.currentTimeMillis();
        String url = task.getUrls().get(i);
        Request req = new Request.Builder().get().url(url).build();

        client.newCall(req).enqueue(new Callback() {
            @Override
            public void onFailure(Request request, IOException e) {
                task.fail(index, time, request, e);
            }

            @Override
            public void onResponse(Response response) throws IOException {
                task.success(index, time, response);
            }
        });
    }
}
 

import com.squareup.okhttp.Callback; //導入依賴的package包/類
public void downloadSubtitle() {
    if (listenerReference == null) throw new IllegalArgumentException("listener must not null. Call setSubtitleDownloaderListener() to sets one");
    if (contextReference.get() == null) return;
    Context context = contextReference.get();
    SubsProvider.download(context, media, subtitleLanguage, new Callback() {
        @Override
        public void onFailure(Request request, IOException exception) {
            onSubtitleDownloadFailed();
        }

        @Override
        public void onResponse(Response response) throws IOException {
            onSubtitleDownloadSuccess();
        }
    });
}
 

import com.squareup.okhttp.Callback; //導入依賴的package包/類
/**
 * Remove the staled account and add a new one
 */
private void resetAccount() {
    logout(new Callback() {
        @Override
        public void onFailure(Request request, IOException e) {

        }

        @Override
        public void onResponse(Response response) throws IOException {

        }
    });
    // use Authenticator to update account
    mCloudProvider.removeAccount(mAccount);
    mCloudProvider.addAccount(getClass().getCanonicalName(), (Activity) mContext);
}
 

import com.squareup.okhttp.Callback; //導入依賴的package包/類
@Test
public void shouldSendGetRequest() throws ExecutionException, InterruptedException {
  final Request request = new com.squareup.okhttp.Request.Builder()
      .url(URI)
      .method("GET", null)
      .build();
  when(okHttpClient.newCall(argThat(new RequestMatcher(request)))).thenReturn(call);
  doAnswer(invocation -> {
    final Callback callback = invocation.getArgument(0);
    callback.onResponse(new Response.Builder()
                            .request(request)
                            .protocol(Protocol.HTTP_1_1)
                            .code(Status.OK.code())
                            .message("OK")
                            .body(ResponseBody.create(CONTENT_TYPE, "{}"))
                            .header("foo", "bar")
                            .build());
    return Void.TYPE;
  }).when(call).enqueue(isA(Callback.class));
  final com.spotify.apollo.Response<ByteString> response =
      client.send(com.spotify.apollo.Request.forUri(URI, "GET")).toCompletableFuture().get();
  verify(okHttpClient, never()).setReadTimeout(anyLong(), any());

  assertEquals(Optional.of(ByteString.of("{}".getBytes())), response.payload());
  assertEquals(Optional.of("bar"), response.header("foo"));
}
 

import com.squareup.okhttp.Callback; //導入依賴的package包/類
@Test
public void shouldSendPostRequest() throws ExecutionException, InterruptedException {
  final Request request = new com.squareup.okhttp.Request.Builder()
      .url(URI)
      .method("POST", RequestBody.create(CONTENT_TYPE, "{}"))
      .build();
  when(okHttpClient.newCall(argThat(new RequestMatcher(request)))).thenReturn(call);
  doAnswer(invocation -> {
    final Callback callback = invocation.getArgument(0);
    callback.onResponse(new Response.Builder()
                            .request(request)
                            .protocol(Protocol.HTTP_1_1)
                            .code(Status.OK.code())
                            .message("OK")
                            .body(ResponseBody.create(CONTENT_TYPE, "{}"))
                            .header("foo", "bar")
                            .build());
    return Void.TYPE;
  }).when(call).enqueue(isA(Callback.class));
  final com.spotify.apollo.Response<ByteString> response =
      client.send(com.spotify.apollo.Request
                      .forUri(URI, "POST")
                      .withPayload(ByteString.of("{}".getBytes())))
          .toCompletableFuture().get();
  verify(okHttpClient, never()).setReadTimeout(anyLong(), any());

  assertEquals(Optional.of(ByteString.of("{}".getBytes())), response.payload());
  assertEquals(Optional.of("bar"), response.header("foo"));
}
 

import com.squareup.okhttp.Callback; //導入依賴的package包/類
AuthTask(String urlPart, String serverAddr, int method, String json, Callback callback) {
    this.urlPart = urlPart;
    this.serverAddr = serverAddr;
    this.method = method;
    this.json = json;
    this.callback = callback;
}
 

import com.squareup.okhttp.Callback; //導入依賴的package包/類
Call post(String url, String json, Callback callback) {
    RequestBody body = RequestBody.create(JSON, json);
    Request request = new Request.Builder()
            .addHeader("Content-Type","application/json")
            .addHeader("Authorization","key=AIzaSyAkeFnKc_r6TJSO7tm5OVnzkbni6dEk4Lw")
            .url(url)
            .post(body)
            .build();
    Call call = client.newCall(request);
    call.enqueue(callback);
    return call;
}
 

import com.squareup.okhttp.Callback; //導入依賴的package包/類
public void sendPushNotification(String token, String title, String message){
    try {
        JSONObject jsonObject = new JSONObject();
        JSONObject notification = new JSONObject();
        notification.put("title", title);
        notification.put("body", message);
        JSONObject data = new JSONObject();
        data.put("sender_phone", sender.getPhone());
        data.put("sender_photo", sender.getPhoto());
        data.put("sender_name", sender.getName());
        jsonObject.put("notification", notification);
        jsonObject.put("data", data);
        jsonObject.put("to", token);

        post("https://fcm.googleapis.com/fcm/send", jsonObject.toString(), new Callback() {
            @Override
            public void onFailure(Request request, IOException e) {
                FirebaseCrash.report(e);
            }

            @Override
            public void onResponse(Response response) throws IOException {
                if (response.isSuccessful()) {
                    String responseStr = response.body().string();
                    Log.d("Response", responseStr);
                    // Do what you want to do with the response.
                } else {
                    // Request not successful
                }
            }
        });

    } catch (JSONException ex) {
        Log.d("Exception", "JSON exception", ex);
    }
}
 

import com.squareup.okhttp.Callback; //導入依賴的package包/類
Call post(String mode, String username, String password, Callback callback) throws IOException {
    OkHttpClient client = new OkHttpClient();
    RequestBody formBody = new FormEncodingBuilder()
            .add("mode", mode)
            .add("username", username + "@snu.in")
            .add("password", password)
            .build();
    Request request = new Request.Builder()
            .url("http://192.168.50.1/24online/servlet/E24onlineHTTPClient")
            .post(formBody)
            .build();
    Call call = client.newCall(request);
    call.enqueue(callback);
    return call;
}
 

import com.squareup.okhttp.Callback; //導入依賴的package包/類
public AuthTaskUrlShortener(final Callback mCallBack, final String longUrl, Activity context, Account account, JSONObject jsonObject, String requestType){
    this.mOkHttpClient = new OkHttpClient();
    this.mCallBack = mCallBack;
    this.longUrl = longUrl;
    this.mActivity = context;
    this.mAccount = account;
    this.mJsonObject = jsonObject;
    this.mRequestType = requestType;
}
 

import com.squareup.okhttp.Callback; //導入依賴的package包/類
public ListProjectsTask(Context context, String url, Callback callback, String token) {
    this.mContext = context;
    this.url = url;
    this.callback = callback;
    httpClient = new OkHttpClient();
    this.mToken = token;
}