Refactor default abs sender (#272)
* refactor-default-abs-sender: move all returns to `try` scope - it makes clear that return would not happen if some exception has been thrown * refactor-default-abs-sender: extract `sendHttpPostRequest` method * refactor-default-abs-sender: inline usage of `sendHttpPostRequest` in most occurrences * refactor-default-abs-sender: extract creation of `HttpPost` with configuration to method * refactor-default-abs-sender: rearrange code to ease up refactoring * refactor-default-abs-sender: extract `sendMethodRequest` method * refactor-default-abs-sender: move temporary file names to variables * refactor-default-abs-sender: extract files downloading to separate methods * refactor-default-abs-sender: extract creation of `Runnable` for async file download to method * refactor-default-abs-sender: extract `assertParamNotNull` method * refactor-default-abs-sender: rename `tryToDownloadToTemporaryFile` method
This commit is contained in:
Roman Golyshev
Ruben Bermudez
parent
8b977fa851
commit
cbcfab5d1e
@ -89,102 +89,45 @@ public abstract class DefaultAbsSender extends AbsSender {
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throw new TelegramApiException("Parameter file can not be null");
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}
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String url = File.getFileUrl(getBotToken(), filePath);
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java.io.File output;
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try {
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output = java.io.File.createTempFile(Long.toString(System.currentTimeMillis()), ".tmp");
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FileUtils.copyURLToFile(new URL(url), output);
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} catch (MalformedURLException e) {
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throw new TelegramApiException("Wrong url for file: " + url);
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} catch (IOException e) {
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throw new TelegramApiRequestException("Error downloading the file", e);
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}
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return output;
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String tempFileName = Long.toString(System.currentTimeMillis());
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return downloadToTemporaryFileWrappingExceptions(url, tempFileName);
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}
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public final java.io.File downloadFile(File file) throws TelegramApiException {
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if(file == null){
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throw new TelegramApiException("Parameter file can not be null");
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}
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assertParamNotNull(file, "file");
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String url = file.getFileUrl(getBotToken());
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java.io.File output;
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try {
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output = java.io.File.createTempFile(file.getFileId(), ".tmp");
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FileUtils.copyURLToFile(new URL(url), output);
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} catch (MalformedURLException e) {
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throw new TelegramApiException("Wrong url for file: " + url);
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} catch (IOException e) {
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throw new TelegramApiRequestException("Error downloading the file", e);
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}
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return output;
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String tempFileName = file.getFileId();
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return downloadToTemporaryFileWrappingExceptions(url, tempFileName);
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}
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public final void downloadFileAsync(String filePath, DownloadFileCallback<String> callback) throws TelegramApiException {
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if(filePath == null || filePath.isEmpty()){
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throw new TelegramApiException("Parameter filePath can not be null");
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}
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if (callback == null) {
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throw new TelegramApiException("Parameter callback can not be null");
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}
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exe.submit(new Runnable() {
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@Override
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public void run() {
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assertParamNotNull(callback, "callback");
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String url = File.getFileUrl(getBotToken(), filePath);
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try {
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java.io.File output = java.io.File.createTempFile(Long.toString(System.currentTimeMillis()), ".tmp");
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FileUtils.copyURLToFile(new URL(url), output);
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callback.onResult(filePath, output);
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} catch (MalformedURLException e) {
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callback.onException(filePath, new TelegramApiException("Wrong url for file: " + url));
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} catch (IOException e) {
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callback.onException(filePath, new TelegramApiRequestException("Error downloading the file", e));
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}
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}
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});
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String tempFileName = Long.toString(System.currentTimeMillis());
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exe.submit(getDownloadFileAsyncJob(filePath, callback, url, tempFileName));
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}
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public final void downloadFileAsync(File file, DownloadFileCallback<File> callback) throws TelegramApiException {
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if(file == null){
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throw new TelegramApiException("Parameter file can not be null");
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}
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if (callback == null) {
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throw new TelegramApiException("Parameter callback can not be null");
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}
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exe.submit(new Runnable() {
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@Override
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public void run() {
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assertParamNotNull(file, "file");
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assertParamNotNull(callback, "callback");
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String url = file.getFileUrl(getBotToken());
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try {
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java.io.File output = java.io.File.createTempFile(file.getFileId(), ".tmp");
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FileUtils.copyURLToFile(new URL(url), output);
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callback.onResult(file, output);
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} catch (MalformedURLException e) {
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callback.onException(file, new TelegramApiException("Wrong url for file: " + url));
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} catch (IOException e) {
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callback.onException(file, new TelegramApiRequestException("Error downloading the file", e));
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}
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}
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});
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String tempFileName = file.getFileId();
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exe.submit(getDownloadFileAsyncJob(file, callback, url, tempFileName));
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}
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// Specific Send Requests
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@Override
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public final Message sendDocument(SendDocument sendDocument) throws TelegramApiException {
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if(sendDocument == null){
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throw new TelegramApiException("Parameter sendDocument can not be null");
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}
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assertParamNotNull(sendDocument, "sendDocument");
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sendDocument.validate();
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String responseContent;
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try {
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String url = getBaseUrl() + SendDocument.PATH;
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HttpPost httppost = new HttpPost(url);
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httppost.setConfig(requestConfig);
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HttpPost httppost = configuredHttpPost(url);
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MultipartEntityBuilder builder = MultipartEntityBuilder.create();
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builder.addTextBody(SendDocument.CHATID_FIELD, sendDocument.getChatId(), TEXT_PLAIN_CONTENT_TYPE);
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@ -214,30 +157,20 @@ public abstract class DefaultAbsSender extends AbsSender {
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HttpEntity multipart = builder.build();
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httppost.setEntity(multipart);
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try (CloseableHttpResponse response = httpclient.execute(httppost)) {
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HttpEntity ht = response.getEntity();
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BufferedHttpEntity buf = new BufferedHttpEntity(ht);
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responseContent = EntityUtils.toString(buf, StandardCharsets.UTF_8);
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}
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return sendDocument.deserializeResponse(sendHttpPostRequest(httppost));
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} catch (IOException e) {
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throw new TelegramApiException("Unable to send document", e);
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}
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return sendDocument.deserializeResponse(responseContent);
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}
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@Override
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public final Message sendPhoto(SendPhoto sendPhoto) throws TelegramApiException {
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if(sendPhoto == null){
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throw new TelegramApiException("Parameter sendPhoto can not be null");
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}
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assertParamNotNull(sendPhoto, "sendPhoto");
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sendPhoto.validate();
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String responseContent;
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try {
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String url = getBaseUrl() + SendPhoto.PATH;
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HttpPost httppost = new HttpPost(url);
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httppost.setConfig(requestConfig);
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HttpPost httppost = configuredHttpPost(url);
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MultipartEntityBuilder builder = MultipartEntityBuilder.create();
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builder.addTextBody(SendPhoto.CHATID_FIELD, sendPhoto.getChatId());
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@ -267,30 +200,20 @@ public abstract class DefaultAbsSender extends AbsSender {
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HttpEntity multipart = builder.build();
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httppost.setEntity(multipart);
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try (CloseableHttpResponse response = httpclient.execute(httppost)) {
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HttpEntity ht = response.getEntity();
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BufferedHttpEntity buf = new BufferedHttpEntity(ht);
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responseContent = EntityUtils.toString(buf, StandardCharsets.UTF_8);
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}
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return sendPhoto.deserializeResponse(sendHttpPostRequest(httppost));
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} catch (IOException e) {
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throw new TelegramApiException("Unable to send photo", e);
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}
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return sendPhoto.deserializeResponse(responseContent);
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}
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@Override
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public final Message sendVideo(SendVideo sendVideo) throws TelegramApiException {
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if(sendVideo == null){
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throw new TelegramApiException("Parameter sendVideo can not be null");
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}
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assertParamNotNull(sendVideo, "sendVideo");
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sendVideo.validate();
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String responseContent;
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try {
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String url = getBaseUrl() + SendVideo.PATH;
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HttpPost httppost = new HttpPost(url);
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httppost.setConfig(requestConfig);
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HttpPost httppost = configuredHttpPost(url);
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MultipartEntityBuilder builder = MultipartEntityBuilder.create();
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builder.addTextBody(SendVideo.CHATID_FIELD, sendVideo.getChatId());
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@ -329,30 +252,20 @@ public abstract class DefaultAbsSender extends AbsSender {
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HttpEntity multipart = builder.build();
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httppost.setEntity(multipart);
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try (CloseableHttpResponse response = httpclient.execute(httppost)) {
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HttpEntity ht = response.getEntity();
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BufferedHttpEntity buf = new BufferedHttpEntity(ht);
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responseContent = EntityUtils.toString(buf, StandardCharsets.UTF_8);
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}
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return sendVideo.deserializeResponse(sendHttpPostRequest(httppost));
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} catch (IOException e) {
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throw new TelegramApiException("Unable to send video", e);
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}
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return sendVideo.deserializeResponse(responseContent);
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}
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@Override
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public final Message sendVideoNote(SendVideoNote sendVideoNote) throws TelegramApiException {
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if(sendVideoNote == null){
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throw new TelegramApiException("Parameter sendVideoNote can not be null");
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}
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assertParamNotNull(sendVideoNote, "sendVideoNote");
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sendVideoNote.validate();
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String responseContent;
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try {
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String url = getBaseUrl() + SendVideoNote.PATH;
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HttpPost httppost = new HttpPost(url);
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httppost.setConfig(requestConfig);
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HttpPost httppost = configuredHttpPost(url);
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MultipartEntityBuilder builder = MultipartEntityBuilder.create();
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builder.addTextBody(SendVideoNote.CHATID_FIELD, sendVideoNote.getChatId());
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@ -386,30 +299,20 @@ public abstract class DefaultAbsSender extends AbsSender {
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httppost.setEntity(multipart);
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try (CloseableHttpResponse response = httpclient.execute(httppost)) {
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HttpEntity ht = response.getEntity();
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BufferedHttpEntity buf = new BufferedHttpEntity(ht);
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responseContent = EntityUtils.toString(buf, StandardCharsets.UTF_8);
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}
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return sendVideoNote.deserializeResponse(sendHttpPostRequest(httppost));
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} catch (IOException e) {
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throw new TelegramApiException("Unable to send video note", e);
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}
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return sendVideoNote.deserializeResponse(responseContent);
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}
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@Override
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public final Message sendSticker(SendSticker sendSticker) throws TelegramApiException {
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if(sendSticker == null){
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throw new TelegramApiException("Parameter sendSticker can not be null");
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}
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assertParamNotNull(sendSticker, "sendSticker");
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sendSticker.validate();
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String responseContent;
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try {
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String url = getBaseUrl() + SendSticker.PATH;
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HttpPost httppost = new HttpPost(url);
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httppost.setConfig(requestConfig);
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HttpPost httppost = configuredHttpPost(url);
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MultipartEntityBuilder builder = MultipartEntityBuilder.create();
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builder.addTextBody(SendSticker.CHATID_FIELD, sendSticker.getChatId());
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@ -436,16 +339,10 @@ public abstract class DefaultAbsSender extends AbsSender {
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HttpEntity multipart = builder.build();
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httppost.setEntity(multipart);
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try (CloseableHttpResponse response = httpclient.execute(httppost)) {
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HttpEntity ht = response.getEntity();
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BufferedHttpEntity buf = new BufferedHttpEntity(ht);
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responseContent = EntityUtils.toString(buf, StandardCharsets.UTF_8);
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}
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return sendSticker.deserializeResponse(sendHttpPostRequest(httppost));
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} catch (IOException e) {
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throw new TelegramApiException("Unable to send sticker", e);
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}
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return sendSticker.deserializeResponse(responseContent);
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}
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/**
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@ -456,16 +353,11 @@ public abstract class DefaultAbsSender extends AbsSender {
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*/
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@Override
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public final Message sendAudio(SendAudio sendAudio) throws TelegramApiException {
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if(sendAudio == null){
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throw new TelegramApiException("Parameter sendAudio can not be null");
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}
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assertParamNotNull(sendAudio, "sendAudio");
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sendAudio.validate();
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String responseContent;
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try {
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String url = getBaseUrl() + SendAudio.PATH;
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HttpPost httppost = new HttpPost(url);
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httppost.setConfig(requestConfig);
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HttpPost httppost = configuredHttpPost(url);
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MultipartEntityBuilder builder = MultipartEntityBuilder.create();
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builder.addTextBody(SendAudio.CHATID_FIELD, sendAudio.getChatId());
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if (sendAudio.isNewAudio()) {
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@ -504,16 +396,10 @@ public abstract class DefaultAbsSender extends AbsSender {
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httppost.setEntity(multipart);
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try (CloseableHttpResponse response = httpclient.execute(httppost)) {
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HttpEntity ht = response.getEntity();
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BufferedHttpEntity buf = new BufferedHttpEntity(ht);
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responseContent = EntityUtils.toString(buf, StandardCharsets.UTF_8);
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}
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return sendAudio.deserializeResponse(sendHttpPostRequest(httppost));
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} catch (IOException e) {
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throw new TelegramApiException("Unable to send sticker", e);
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}
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return sendAudio.deserializeResponse(responseContent);
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}
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/**
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@ -525,16 +411,11 @@ public abstract class DefaultAbsSender extends AbsSender {
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*/
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@Override
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public final Message sendVoice(SendVoice sendVoice) throws TelegramApiException {
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if(sendVoice == null){
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throw new TelegramApiException("Parameter sendVoice can not be null");
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}
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assertParamNotNull(sendVoice, "sendVoice");
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sendVoice.validate();
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String responseContent;
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try {
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String url = getBaseUrl() + SendVoice.PATH;
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HttpPost httppost = new HttpPost(url);
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httppost.setConfig(requestConfig);
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HttpPost httppost = configuredHttpPost(url);
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MultipartEntityBuilder builder = MultipartEntityBuilder.create();
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builder.addTextBody(SendVoice.CHATID_FIELD, sendVoice.getChatId());
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if (sendVoice.isNewVoice()) {
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@ -566,30 +447,20 @@ public abstract class DefaultAbsSender extends AbsSender {
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HttpEntity multipart = builder.build();
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httppost.setEntity(multipart);
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try (CloseableHttpResponse response = httpclient.execute(httppost)) {
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HttpEntity ht = response.getEntity();
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BufferedHttpEntity buf = new BufferedHttpEntity(ht);
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responseContent = EntityUtils.toString(buf, StandardCharsets.UTF_8);
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}
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return sendVoice.deserializeResponse(sendHttpPostRequest(httppost));
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} catch (IOException e) {
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throw new TelegramApiException("Unable to send voice", e);
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}
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return sendVoice.deserializeResponse(responseContent);
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}
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@Override
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public Boolean setChatPhoto(SetChatPhoto setChatPhoto) throws TelegramApiException {
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if(setChatPhoto == null){
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throw new TelegramApiException("Parameter setChatPhoto can not be null");
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}
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assertParamNotNull(setChatPhoto, "setChatPhoto");
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setChatPhoto.validate();
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String responseContent;
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try {
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String url = getBaseUrl() + SetChatPhoto.PATH;
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HttpPost httppost = new HttpPost(url);
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httppost.setConfig(requestConfig);
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HttpPost httppost = configuredHttpPost(url);
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MultipartEntityBuilder builder = MultipartEntityBuilder.create();
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builder.addTextBody(SetChatPhoto.CHATID_FIELD, setChatPhoto.getChatId());
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@ -601,16 +472,10 @@ public abstract class DefaultAbsSender extends AbsSender {
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HttpEntity multipart = builder.build();
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httppost.setEntity(multipart);
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try (CloseableHttpResponse response = httpclient.execute(httppost)) {
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HttpEntity ht = response.getEntity();
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BufferedHttpEntity buf = new BufferedHttpEntity(ht);
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responseContent = EntityUtils.toString(buf, StandardCharsets.UTF_8);
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}
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return setChatPhoto.deserializeResponse(sendHttpPostRequest(httppost));
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} catch (IOException e) {
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throw new TelegramApiException("Unable to set chat photo", e);
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}
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return setChatPhoto.deserializeResponse(responseContent);
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}
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// Simplified methods
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@ -622,22 +487,12 @@ public abstract class DefaultAbsSender extends AbsSender {
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@Override
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public void run() {
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try {
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method.validate();
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String url = getBaseUrl() + method.getMethod();
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HttpPost httppost = new HttpPost(url);
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httppost.setConfig(requestConfig);
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httppost.addHeader("charset", StandardCharsets.UTF_8.name());
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httppost.setEntity(new StringEntity(objectMapper.writeValueAsString(method), ContentType.APPLICATION_JSON));
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try (CloseableHttpResponse response = httpclient.execute(httppost)) {
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HttpEntity ht = response.getEntity();
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BufferedHttpEntity buf = new BufferedHttpEntity(ht);
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String responseContent = EntityUtils.toString(buf, StandardCharsets.UTF_8);
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String responseContent = sendMethodRequest(method);
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try {
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callback.onResult(method, method.deserializeResponse(responseContent));
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} catch (TelegramApiRequestException e) {
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callback.onError(method, e);
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}
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}
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} catch (IOException | TelegramApiValidationException e) {
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callback.onException(method, e);
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}
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@ -648,27 +503,76 @@ public abstract class DefaultAbsSender extends AbsSender {
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@Override
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protected final <T extends Serializable, Method extends BotApiMethod<T>> T sendApiMethod(Method method) throws TelegramApiException {
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method.validate();
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String responseContent;
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try {
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String url = getBaseUrl() + method.getMethod();
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HttpPost httppost = new HttpPost(url);
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httppost.setConfig(requestConfig);
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httppost.addHeader("charset", StandardCharsets.UTF_8.name());
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httppost.setEntity(new StringEntity(objectMapper.writeValueAsString(method), ContentType.APPLICATION_JSON));
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try (CloseableHttpResponse response = httpclient.execute(httppost)) {
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HttpEntity ht = response.getEntity();
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BufferedHttpEntity buf = new BufferedHttpEntity(ht);
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responseContent = EntityUtils.toString(buf, StandardCharsets.UTF_8);
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}
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String responseContent = sendMethodRequest(method);
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return method.deserializeResponse(responseContent);
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} catch (IOException e) {
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throw new TelegramApiException("Unable to execute " + method.getMethod() + " method", e);
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}
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}
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return method.deserializeResponse(responseContent);
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private <T> Runnable getDownloadFileAsyncJob(T fileIdentifier, DownloadFileCallback<T> callback, String url, String tempFileName) {
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//noinspection Convert2Lambda
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return new Runnable() {
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@Override
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public void run() {
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try {
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callback.onResult(fileIdentifier, downloadToTemporaryFile(url, tempFileName));
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} catch (MalformedURLException e) {
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callback.onException(fileIdentifier, new TelegramApiException("Wrong url for file: " + url));
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} catch (IOException e) {
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callback.onException(fileIdentifier, new TelegramApiRequestException("Error downloading the file", e));
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}
|
||||
}
|
||||
};
|
||||
}
|
||||
|
||||
private java.io.File downloadToTemporaryFileWrappingExceptions(String url, String tempFileName) throws TelegramApiException {
|
||||
try {
|
||||
return downloadToTemporaryFile(url, tempFileName);
|
||||
} catch (MalformedURLException e) {
|
||||
throw new TelegramApiException("Wrong url for file: " + url);
|
||||
} catch (IOException e) {
|
||||
throw new TelegramApiRequestException("Error downloading the file", e);
|
||||
}
|
||||
}
|
||||
|
||||
private java.io.File downloadToTemporaryFile(String url, String tempFileName) throws IOException {
|
||||
java.io.File output = java.io.File.createTempFile(tempFileName, ".tmp");
|
||||
FileUtils.copyURLToFile(new URL(url), output);
|
||||
return output;
|
||||
}
|
||||
|
||||
private <T extends Serializable, Method extends BotApiMethod<T>> String sendMethodRequest(Method method) throws TelegramApiValidationException, IOException {
|
||||
method.validate();
|
||||
String url = getBaseUrl() + method.getMethod();
|
||||
HttpPost httppost = configuredHttpPost(url);
|
||||
httppost.addHeader("charset", StandardCharsets.UTF_8.name());
|
||||
httppost.setEntity(new StringEntity(objectMapper.writeValueAsString(method), ContentType.APPLICATION_JSON));
|
||||
return sendHttpPostRequest(httppost);
|
||||
}
|
||||
|
||||
private String sendHttpPostRequest(HttpPost httppost) throws IOException {
|
||||
try (CloseableHttpResponse response = httpclient.execute(httppost)) {
|
||||
HttpEntity ht = response.getEntity();
|
||||
BufferedHttpEntity buf = new BufferedHttpEntity(ht);
|
||||
return EntityUtils.toString(buf, StandardCharsets.UTF_8);
|
||||
}
|
||||
}
|
||||
|
||||
private HttpPost configuredHttpPost(String url) {
|
||||
HttpPost httppost = new HttpPost(url);
|
||||
httppost.setConfig(requestConfig);
|
||||
return httppost;
|
||||
}
|
||||
|
||||
protected String getBaseUrl() {
|
||||
return options.getBaseUrl() + getBotToken() + "/";
|
||||
}
|
||||
|
||||
private void assertParamNotNull(Object param, String paramName) throws TelegramApiException {
|
||||
if (param == null) {
|
||||
throw new TelegramApiException("Parameter " + paramName + " can not be null");
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user