Source:
<code>static public boolean sendTelegram(@ParamDoc(name = "group") String group, @ParamDoc(name = "message") String message) { if (groupTokens.get(group) == null) { logger.error(String.format("Bot '%s' not defined, action skipped", group)); return false; } String url = String.format(TELEGRAM_URL, groupTokens.get(group) .getToken()); HttpClient client = new HttpClient(); PostMethod postMethod = new PostMethod(url); postMethod.getParams().setSoTimeout(HTTP_TIMEOUT); postMethod.getParams().setParameter(HttpMethodParams.RETRY_HANDLER, new DefaultHttpMethodRetryHandler(3, false)); NameValuePair[] data = { new NameValuePair("chat_id", groupTokens.get(group).getChatId()), new NameValuePair("text", message) }; postMethod.setRequestBody(data); try { int statusCode = client.executeMethod(postMethod); if (statusCode == HttpStatus.SC_NO_CONTENT || statusCode == HttpStatus.SC_ACCEPTED) { return true; } if (statusCode != HttpStatus.SC_OK) { <START> logger.warn("Method failed: " + postMethod.getStatusLine()); <END> return false; } InputStream tmpResponseStream = postMethod .getResponseBodyAsStream(); Header encodingHeader = postMethod .getResponseHeader("Content-Encoding"); if (encodingHeader != null) { for (HeaderElement ehElem : encodingHeader.getElements()) { if (ehElem.toString().matches(".*gzip.*")) { tmpResponseStream = new GZIPInputStream( tmpResponseStream); logger.debug("GZipped InputStream from {}", url); } else if (ehElem.toString().matches(".*deflate.*")) { tmpResponseStream = new InflaterInputStream( tmpResponseStream); logger.debug("Deflated InputStream from {}", url); } } } String responseBody = IOUtils.toString(tmpResponseStream); if (!responseBody.isEmpty()) { logger.debug(responseBody); } } catch (HttpException e) { logger.error("Fatal protocol violation: {}", e.toString()); } catch (IOException e) { logger.error("Fatal transport error: {}", e.toString()); } finally { postMethod.releaseConnection(); } return true; }</code><technical_language>Please slf4j parametrization instead of string concatenation</technical_language>

Target:
static public boolean sendTelegram(@ParamDoc(name = "group") String group, @ParamDoc(name = "message") String message) { if (groupTokens.get(group) == null) { logger.error("Bot '{}' not defined, action skipped", group); return false; } String url = String.format(TELEGRAM_URL, groupTokens.get(group) .getToken()); HttpClient client = new HttpClient(); PostMethod postMethod = new PostMethod(url); postMethod.getParams().setSoTimeout(HTTP_TIMEOUT); postMethod.getParams().setParameter(HttpMethodParams.RETRY_HANDLER, new DefaultHttpMethodRetryHandler(3, false)); NameValuePair[] data = { new NameValuePair("chat_id", groupTokens.get(group).getChatId()), new NameValuePair("text", message) }; postMethod.setRequestBody(data); try { int statusCode = client.executeMethod(postMethod); if (statusCode == HttpStatus.SC_NO_CONTENT || statusCode == HttpStatus.SC_ACCEPTED) { return true; } if (statusCode != HttpStatus.SC_OK) { logger.warn("Method failed: {}", postMethod.getStatusLine()); return false; } InputStream tmpResponseStream = postMethod .getResponseBodyAsStream(); Header encodingHeader = postMethod .getResponseHeader("Content-Encoding"); if (encodingHeader != null) { for (HeaderElement ehElem : encodingHeader.getElements()) { if (ehElem.toString().matches(".*gzip.*")) { tmpResponseStream = new GZIPInputStream( tmpResponseStream); logger.debug("GZipped InputStream from {}", url); } else if (ehElem.toString().matches(".*deflate.*")) { tmpResponseStream = new InflaterInputStream( tmpResponseStream); logger.debug("Deflated InputStream from {}", url); } } } String responseBody = IOUtils.toString(tmpResponseStream); if (!responseBody.isEmpty()) { logger.debug(responseBody); } } catch (HttpException e) { logger.error("Fatal protocol violation: {}", e.toString()); } catch (IOException e) { logger.error("Fatal transport error: {}", e.toString()); } finally { postMethod.releaseConnection(); } return true; }