Java Code Examples for java.net.HttpURLConnection#getContentLength()
The following examples show how to use
java.net.HttpURLConnection#getContentLength() .
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Example 1
Source File: GoProController.java From android-wear-gopro-remote with Apache License 2.0 | 6 votes |
public CameraInfo getCameraInfo() { HttpURLConnection connection = getMediaConnection("videos/MISC/", "version.txt", null); if(connection == null) return null; try { try { BufferedReader reader = new BufferedReader(new InputStreamReader(connection.getInputStream())); int cl = connection.getContentLength(); StringBuilder builder = cl > 0 ? new StringBuilder(cl) : new StringBuilder(); String line; while ((line = reader.readLine()) != null) { builder.append(line); } return new CameraInfo(builder.toString()); } finally { connection.disconnect(); } } catch (IOException e){ Logger.warning(TAG, "Error getting version.txt", e); } return null; }
Example 2
Source File: FileUtils.java From DevUtils with Apache License 2.0 | 6 votes |
/** * 获取文件大小 - 网络资源 * @param httpUri 文件网络链接 * @return 文件大小 */ public static long getFileLengthNetwork(final String httpUri) { if (StringUtils.isSpace(httpUri)) return 0L; // 判断是否网络资源 boolean isHttpRes = httpUri.toLowerCase().startsWith("http:") || httpUri.toLowerCase().startsWith("https:"); if (isHttpRes) { try { HttpURLConnection conn = (HttpURLConnection) new URL(httpUri).openConnection(); conn.setRequestProperty("Accept-Encoding", "identity"); conn.connect(); if (conn.getResponseCode() == 200) { return conn.getContentLength(); } return 0L; } catch (Exception e) { JCLogUtils.eTag(TAG, e, "getFileLengthNetwork"); } } return 0L; }
Example 3
Source File: YandexTranslate.java From appinventor-extensions with Apache License 2.0 | 6 votes |
/** * This method reads from a stream based on the passed connection * @param connection the connection to read from * @return the contents of the stream * @throws IOException if it cannot read from the http connection */ private static String getResponseContent(HttpURLConnection connection) throws IOException { // Use the content encoding to convert bytes to characters. String encoding = connection.getContentEncoding(); if (encoding == null) { encoding = "UTF-8"; } InputStreamReader reader = new InputStreamReader(connection.getInputStream(), encoding); try { int contentLength = connection.getContentLength(); StringBuilder sb = (contentLength != -1) ? new StringBuilder(contentLength) : new StringBuilder(); char[] buf = new char[1024]; int read; while ((read = reader.read(buf)) != -1) { sb.append(buf, 0, read); } return sb.toString(); } finally { reader.close(); } }
Example 4
Source File: WebHdfsFileSystem.java From hadoop with Apache License 2.0 | 6 votes |
static Map<?, ?> jsonParse(final HttpURLConnection c, final boolean useErrorStream ) throws IOException { if (c.getContentLength() == 0) { return null; } final InputStream in = useErrorStream? c.getErrorStream(): c.getInputStream(); if (in == null) { throw new IOException("The " + (useErrorStream? "error": "input") + " stream is null."); } try { final String contentType = c.getContentType(); if (contentType != null) { final MediaType parsed = MediaType.valueOf(contentType); if (!MediaType.APPLICATION_JSON_TYPE.isCompatible(parsed)) { throw new IOException("Content-Type \"" + contentType + "\" is incompatible with \"" + MediaType.APPLICATION_JSON + "\" (parsed=\"" + parsed + "\")"); } } ObjectMapper mapper = new ObjectMapper(); return mapper.reader(Map.class).readValue(in); } finally { in.close(); } }
Example 5
Source File: BaseImageDownloader.java From Android-Application-ZJB with Apache License 2.0 | 6 votes |
/** * Retrieves {@link InputStream} of image by URI (image is located in the network). * * @param imageUri Image URI * @param extra Auxiliary object which was passed to {@link DisplayImageOptions.Builder#extraForDownloader(Object) * DisplayImageOptions.extraForDownloader(Object)}; can be null * @return {@link InputStream} of image * @throws IOException if some I/O error occurs during network request or if no InputStream could be created for * URL. */ protected InputStream getStreamFromNetwork(String imageUri, Object extra) throws IOException { HttpURLConnection conn = createConnection(imageUri, extra); int redirectCount = 0; while (conn.getResponseCode() / 100 == 3 && redirectCount < MAX_REDIRECT_COUNT) { conn = createConnection(conn.getHeaderField("Location"), extra); redirectCount++; } InputStream imageStream; try { imageStream = conn.getInputStream(); } catch (IOException e) { // Read all data to allow reuse connection (http://bit.ly/1ad35PY) IoUtils.readAndCloseStream(conn.getErrorStream()); throw e; } if (!shouldBeProcessed(conn)) { IoUtils.closeSilently(imageStream); throw new IOException("Image request failed with response code " + conn.getResponseCode()); } return new ContentLengthInputStream(new BufferedInputStream(imageStream, BUFFER_SIZE), conn.getContentLength()); }
Example 6
Source File: ExprUrlSizeBytes.java From skUtilities with GNU General Public License v3.0 | 6 votes |
@Override @Nullable protected Number[] get(Event e) { try { HttpURLConnection c = (HttpURLConnection) new URL(url.getSingle(e)).openConnection(); c.setRequestProperty("User-Agent", "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.11 (KHTML, like Gecko) Chrome/23.0.1271.95 Safari/537.11"); Number n = c.getContentLength(); c.disconnect(); if (n.intValue() == -1) { skUtilities.prSysE("Url: '" + url.getSingle(e) + "' returned no information about the url's size!", getClass().getSimpleName()); } else { return new Number[]{n}; } } catch (Exception x) { skUtilities.prSysE("Error Reading from: '" + url.getSingle(e) + "' Is the site down?", getClass().getSimpleName(), x); } return null; }
Example 7
Source File: InstagramDownloader.java From Instagram-Downloader with Apache License 2.0 | 6 votes |
private void download(String url, String targetDirectory){ String[] tempName = url.split("/"); String filename = tempName[tempName.length-1].split("[?]")[0]; try(InputStream inputStream = URI.create(url).toURL().openStream()){ HttpURLConnection conn = (HttpURLConnection)URI.create(url).toURL().openConnection(); Path targetPath = new File(targetDirectory + File.separator + filename).toPath(); Files.copy(inputStream, targetPath, StandardCopyOption.REPLACE_EXISTING); int BYTES_PER_KB = 1024; double fileSize = ((double)conn.getContentLength() / BYTES_PER_KB); System.out.println("Media file downloaded successfully."); System.out.println(String.format("Media Location: %s", targetPath)); System.out.println(String.format("Media Name: %s", filename)); System.out.println(String.format("Media Size: %.2f kb", fileSize)); System.out.println(String.format("Media Type: %s", Helpers.mediaType(filename))); } catch (IOException e){ e.printStackTrace(); } }
Example 8
Source File: MyImageDownloader.java From repay-android with Apache License 2.0 | 6 votes |
/** * Retrieves {@link java.io.InputStream} of image by URI (image is located in the network). * * @param imageUri Image URI * @param extra Auxiliary object which was passed to {@link com.nostra13.universalimageloader.core.DisplayImageOptions.Builder#extraForDownloader(Object) * DisplayImageOptions.extraForDownloader(Object)}; can be null * @return {@link java.io.InputStream} of image * @throws java.io.IOException if some I/O error occurs during network request or if no InputStream could be created for * URL. */ protected InputStream getStreamFromNetwork(String imageUri, Object extra) throws IOException { HttpURLConnection conn = createConnection(imageUri, extra); int redirectCount = 0; while (conn.getResponseCode() / 100 == 3 && redirectCount < MAX_REDIRECT_COUNT) { conn = createConnection(conn.getHeaderField("Location"), extra); redirectCount++; } InputStream imageStream; try { imageStream = conn.getInputStream(); } catch (IOException e) { // Read all data to allow reuse connection (http://bit.ly/1ad35PY) IoUtils.readAndCloseStream(conn.getErrorStream()); throw e; } return new ContentLengthInputStream(new BufferedInputStream(imageStream, BUFFER_SIZE), conn.getContentLength()); }
Example 9
Source File: Downloader.java From Game with GNU General Public License v3.0 | 6 votes |
private void download(File file) { try { String fileURL = file.toString().replace(Constants.CONF_DIR + File.separator, Constants.CACHE_URL).replace(File.separator, "/"); String description = getDescription(file); AppFrame.get().setDownloadProgress(description, 0); HttpURLConnection connection = (HttpURLConnection) new URL(fileURL).openConnection(); try (BufferedInputStream in = new BufferedInputStream(connection.getInputStream()); FileOutputStream fileOutputStream = new FileOutputStream(file)) { int filesize = connection.getContentLength(); byte[] dataBuffer = new byte[1024]; int bytesRead; int totalRead = 0; while ((bytesRead = in.read(dataBuffer, 0, 1024)) != -1) { totalRead += bytesRead; fileOutputStream.write(dataBuffer, 0, bytesRead); AppFrame.get().setDownloadProgress(description, (float) (totalRead * 100 / filesize)); } AppFrame.get().setDownloadProgress(description, 100.0f); } catch (IOException e) { e.printStackTrace(); } connection.disconnect(); } catch (Exception a) { a.printStackTrace(); } }
Example 10
Source File: GetFileInfoTask.java From AndroidDownloader with Apache License 2.0 | 6 votes |
private void parseHttpResponse(HttpURLConnection httpConnection, boolean isAcceptRanges) throws DownloadException { final long length; String contentLength = httpConnection.getHeaderField("Content-Length"); if (TextUtils.isEmpty(contentLength) || contentLength.equals("0") || contentLength .equals("-1")) { length = httpConnection.getContentLength(); } else { length = Long.parseLong(contentLength); } if (length <= 0) { throw new DownloadException(DownloadException.EXCEPTION_FILE_SIZE_ZERO, "length <= 0"); } checkIfPause(); onGetFileInfoListener.onSuccess(length, isAcceptRanges); }
Example 11
Source File: BaseImageDownloader.java From MiBandDecompiled with Apache License 2.0 | 6 votes |
protected InputStream getStreamFromNetwork(String s, Object obj) { HttpURLConnection httpurlconnection = createConnection(s, obj); for (int i = 0; httpurlconnection.getResponseCode() / 100 == 3 && i < 5; i++) { httpurlconnection = createConnection(httpurlconnection.getHeaderField("Location"), obj); } InputStream inputstream; try { inputstream = httpurlconnection.getInputStream(); } catch (IOException ioexception) { IoUtils.readAndCloseStream(httpurlconnection.getErrorStream()); throw ioexception; } return new ContentLengthInputStream(new BufferedInputStream(inputstream, 32768), httpurlconnection.getContentLength()); }
Example 12
Source File: BaseImageDownloader.java From letv with Apache License 2.0 | 5 votes |
protected InputStream getStreamFromNetwork(String imageUri, Object extra) throws IOException { HttpURLConnection conn = createConnection(imageUri, extra); int redirectCount = 0; while (conn.getResponseCode() / 100 == 3 && redirectCount < 5) { conn = createConnection(conn.getHeaderField(HttpRequest.HEADER_LOCATION), extra); redirectCount++; } try { return new ContentLengthInputStream(new BufferedInputStream(conn.getInputStream(), 32768), conn.getContentLength()); } catch (IOException e) { IoUtils.readAndCloseStream(conn.getErrorStream()); throw e; } }
Example 13
Source File: HttpClientUtils.java From NetworkDisk_Storage with GNU General Public License v2.0 | 5 votes |
public static String httpPostWithJSON(String postUrl, String json) { try { URL url = new URL(postUrl);// 创建连接 HttpURLConnection connection = (HttpURLConnection) url.openConnection(); connection.setDoOutput(true); connection.setDoInput(true); connection.setUseCaches(false); connection.setInstanceFollowRedirects(true); connection.setRequestMethod("POST"); // 设置请求方式 connection.setRequestProperty("Accept", "application/json"); // 设置接收数据的格式 connection.setRequestProperty("Content-Type", "application/json"); // 设置发送数据的格式 connection.connect(); OutputStreamWriter out = new OutputStreamWriter(connection.getOutputStream(), "UTF-8"); // utf-8编码 out.append(json); out.flush(); out.close(); // 读取响应 int length = (int) connection.getContentLength();// 获取长度 InputStream is = connection.getInputStream(); String result = IoConvertUtils.stream2String(is); return result; // if (length != -1) { // byte[] data = new byte[length]; // byte[] temp = new byte[512]; // int readLen = 0; // int destPos = 0; // while ((readLen = is.read(temp)) > 0) { // System.arraycopy(temp, 0, data, destPos, readLen); // destPos += readLen; // } // String result = new String(data, "UTF-8"); // utf-8编码 // // System.out.println(result); // return result; // } } catch (IOException e) { e.printStackTrace(); } return "error"; // 自定义错误信息 }
Example 14
Source File: Downloader.java From MMDownloader with Apache License 2.0 | 5 votes |
/** * 내부적으로 이용되는 download 메서드<br> * String 형식의 이미지 주소를 받아서 다운로드<br> * <i>추후 HttpComponent로 변경 예정</i> * * @return 다운로드한 이미지의 byte size * @throws Exception */ private int download() throws Exception { HttpURLConnection conn = (HttpURLConnection) new URL(imgURL).openConnection(); conn.setRequestMethod("GET"); conn.setConnectTimeout(MAX_WAIT_TIME); // init 연결 타임아웃 conn.setConnectTimeout(MAX_WAIT_TIME << 1); // data read 타임아웃 conn.setRequestProperty("charset", "utf-8"); conn.setRequestProperty("User-Agent", UserAgent.getUserAgent()); //conn.setRequestProperty("Accept-Encoding", "gzip"); conn.setRequestProperty("Host", host); conn.setRequestProperty("Referer", referer); int imageSize = conn.getContentLength(); // byte size InputStream inputStream = conn.getInputStream(); //속도저하의 원인 String savePath = String.format("%s%03d%s", path, pageNum, getExt(imgURL, ".jpg")); BufferedInputStream bis = new BufferedInputStream(inputStream, BUF_SIZE); BufferedOutputStream bos = new BufferedOutputStream(new FileOutputStream(savePath), BUF_SIZE); IOUtils.copyLarge(bis, bos); bos.close(); bis.close(); return imageSize; }
Example 15
Source File: FileDownloader.java From EasyFileDownloader with Apache License 2.0 | 4 votes |
private void prepareDownload() { this.targetStatus = DOWNLOAD_STATUS_START; this.threads = new DownloadThread[config.getThreadNum()]; if (!this.config.getSaveDir().exists()) { if (!this.config.getSaveDir().mkdirs()) { LogUtils.d(TAG, "mkdirs download directory failed."); return; } } HttpURLConnection urlConn = openConnection(config.getDownloadUrl()); try { if (urlConn.getResponseCode() == 200) { this.fileSize = urlConn.getContentLength(); if (this.fileSize <= 0) { throw new RuntimeException("unKnow file size"); } onDownloadTotalSize(this.fileSize); } else { throw new RuntimeException("server no response."); } } catch (IOException e) { e.printStackTrace(); LogUtils.d(TAG, "open HttpURLConnection failed."); Toast.makeText(mContext, "open url failed.", Toast.LENGTH_SHORT).show(); onDownloadFailed(); return; } String fileName = this.config.getFileName(); if (TextUtils.isEmpty(fileName)) { fileName = getFileName(urlConn, config.getDownloadUrl()); } this.saveFile = new File(this.config.getSaveDir(), fileName); LogUtils.d(TAG, "saveFile.path = " + this.saveFile.getPath()); this.data = new ArrayList<>(downloadDBHelper.query(config.getDownloadUrl())); if (this.data.size() == this.threads.length) { for (ThreadData threadData : this.data) { this.downloadSize += threadData.getDownloadLength(); } LogUtils.d(TAG, "history download size = " + this.downloadSize); } else { this.data.clear(); for (int i = 0; i < this.threads.length; i++) { this.data.add(new ThreadData(i, this.fileSize));//Initialize each thread has downloaded data length is zero } this.downloadSize = 0; this.downloadDBHelper.save(this.config.getDownloadUrl(), this.data);//first save } //Calculating the maximum length of data download each thread this.block = (this.fileSize % this.threads.length) == 0 ? this.fileSize / this.threads.length : this.fileSize / this.threads.length + 1; executeDownload(); }
Example 16
Source File: DownloadPostFragment.java From Instagram-Profile-Downloader with MIT License | 4 votes |
protected List<String> doInBackground(String... args) { String fileName = GlobalConstant.SAVED_FILE_NAME + "-" + System.currentTimeMillis() + ".mp4"; File file = new File(Environment.getExternalStorageDirectory().toString() + File.separator + GlobalConstant.SAVED_FILE_NAME); if (!file.exists()) file.mkdirs(); Downloads downloads = new Downloads(); downloads.setUser_id(""); downloads.setPath(file.getAbsolutePath() + "/" + fileName); downloads.setUsername(""); downloads.setType(1); downloads.setFilename(fileName); DataObjectRepositry.dataObjectRepositry.addDownloadedData(downloads); newVid = new File(file, fileName); if (!newVid.exists()) try { newVid.createNewFile(); } catch (IOException e) { e.printStackTrace(); } try { HttpURLConnection connection = (HttpURLConnection) new URL(url).openConnection(); connection.connect(); int lenghtOfFile = connection.getContentLength(); FileOutputStream out = new FileOutputStream(newVid); InputStream is = connection.getInputStream(); byte[] buffer = new byte[1024]; long total = 0; while (true) { int len1 = is.read(buffer); total += (long) len1; publishProgress(new Integer[]{Integer.valueOf((int) ((100 * total) / ((long) lenghtOfFile)))}); if (len1 == -1) { break; } out.write(buffer, 0, len1); } out.close(); is.close(); } catch (Exception e2) { e2.printStackTrace(); } return null; }
Example 17
Source File: MainActivity.java From Android-Basics-Codes with Artistic License 2.0 | 4 votes |
private void requestNet() { // (1). �����ͷ�������Դ�ļ�һ����С�Ŀ��ļ� try { // 1. ��ʼ��Url URL url = new URL(path); // 2. ͨ��Url��ȡHttp���� HttpURLConnection conn = (HttpURLConnection) url.openConnection(); // 3. �����������������ʽ conn.setRequestMethod("GET"); // 4. ��ȡ������ 200:�ɹ� 3xxx���� 4xxx�ͻ��˴��� 500���������� int code = conn.getResponseCode(); // 5. �õ��ӷ������˷��ص���Դ�ļ��Ĵ�С int fileLength = conn.getContentLength(); if (code == 200) { System.out.println("��������Դ�ļ��Ĵ�С��" + fileLength); RandomAccessFile raf = new RandomAccessFile(getFileName(), "rw"); // ��Ҫ�����ļ��Ĵ�С raf.setLength(fileLength); raf.close(); } // (2).��������߳����� // ÿ������Ĵ�С int blockSize = fileLength / threadCount; for (int threadId = 0; threadId < threadCount; threadId++) { int startIndex = threadId * blockSize; int endIndex = (threadId + 1) * blockSize; // ���һ���߳� if (threadId == threadCount - 1) { // �����ļ�������λ�� endIndex = fileLength - 1; } // ��ʼ�߳� new DownLoadThread(startIndex, endIndex, threadId).start(); } } catch (Exception e) { e.printStackTrace(); } }
Example 18
Source File: UpdateService.java From Fishing with GNU General Public License v3.0 | 4 votes |
@Override protected Boolean doInBackground(String... params) { JUtils.Log("StartDownLoadTask"); path = params[1]; name = params[2]; boolean finish = false; try{ URL url = new URL(params[0]); HttpURLConnection conn = (HttpURLConnection) url.openConnection(); conn.setRequestMethod("GET"); conn.setConnectTimeout(5000); if(conn.getResponseCode() == 200) { File f = new File(params[1]); if (!f.isDirectory()) { f.mkdirs(); } InputStream is = conn.getInputStream(); int length = conn.getContentLength(); File file = new File(path+name); FileOutputStream fos = new FileOutputStream(file); int count = 0; byte buf[] = new byte[1024]; int progress = 0; int progress_pre = 0; do { int numread = is.read(buf); count += numread; progress = (int) (((float) count / length) * 100); if(progress != progress_pre){ JUtils.Log("progress"+progress); publishProgress(progress); progress_pre = progress; } if (numread <= 0) { break; } fos.write(buf, 0, numread); } while (!cancelUpdate); fos.flush(); fos.close(); is.close(); finish = true; } } catch (Exception e) { JUtils.Log(e.getLocalizedMessage()); finish = false; } return finish; }
Example 19
Source File: DownloadThread.java From UnityOBBDownloader with Apache License 2.0 | 4 votes |
/** * Read headers from the HTTP response and store them into local state. */ private void readResponseHeaders(State state, InnerState innerState, HttpURLConnection response) throws StopRequest { String value = response.getHeaderField("Content-Disposition"); if (value != null) { innerState.mHeaderContentDisposition = value; } value = response.getHeaderField("Content-Location"); if (value != null) { innerState.mHeaderContentLocation = value; } value = response.getHeaderField("ETag"); if (value != null) { innerState.mHeaderETag = value; } String headerTransferEncoding = null; value = response.getHeaderField("Transfer-Encoding"); if (value != null) { headerTransferEncoding = value; } String headerContentType = null; value = response.getHeaderField("Content-Type"); if (value != null) { headerContentType = value; if (!headerContentType.equals("application/vnd.android.obb")) { throw new StopRequest(DownloaderService.STATUS_FILE_DELIVERED_INCORRECTLY, "file delivered with incorrect Mime type"); } } if (headerTransferEncoding == null) { long contentLength = response.getContentLength(); if (value != null) { // this is always set from Market if (contentLength != -1 && contentLength != mInfo.mTotalBytes) { // we're most likely on a bad wifi connection -- we should // probably // also look at the mime type --- but the size mismatch is // enough // to tell us that something is wrong here Log.e(Constants.TAG, "Incorrect file size delivered."); } else { innerState.mHeaderContentLength = Long.toString(contentLength); } } } else { // Ignore content-length with transfer-encoding - 2616 4.4 3 if (Constants.LOGVV) { Log.v(Constants.TAG, "ignoring content-length because of xfer-encoding"); } } if (Constants.LOGVV) { Log.v(Constants.TAG, "Content-Disposition: " + innerState.mHeaderContentDisposition); Log.v(Constants.TAG, "Content-Length: " + innerState.mHeaderContentLength); Log.v(Constants.TAG, "Content-Location: " + innerState.mHeaderContentLocation); Log.v(Constants.TAG, "ETag: " + innerState.mHeaderETag); Log.v(Constants.TAG, "Transfer-Encoding: " + headerTransferEncoding); } boolean noSizeInfo = innerState.mHeaderContentLength == null && (headerTransferEncoding == null || !headerTransferEncoding.equalsIgnoreCase("chunked")); if (noSizeInfo) { throw new StopRequest(DownloaderService.STATUS_HTTP_DATA_ERROR, "can't know size of download, giving up"); } }
Example 20
Source File: SystemInfo.java From MMDownloader with Apache License 2.0 | 4 votes |
/** * <p>최신버전 다운로드 메서드. * <p>최신버전 확인 메서드 내부에서 불러지는 용도로만 사용하게 제한. * <p>사용자의 OS 값에 따라서 윈도우 / 그 이외(맥, 리눅스) 버전을 다운로드 * @param in 키보드 입력용 버퍼리더 객체 */ private static void downloadLatestVersion(final BufferedReader in){ try{ final int MB = 1048576; final int BUF_SIZE = MB * 10; String select, fileName = null, fileURL = null; boolean isCorrectlySelected = false; while(!isCorrectlySelected){ //다운로드 받거나(y) 취소(n)를 제대로 선택할 때 까지 반복. System.out.printf("최신 버전(%s)을 다운받으시겠습니까? (Y/n): ", LATEST_VERSION); select = in.readLine(); if(select.equalsIgnoreCase("y")){ isCorrectlySelected = true; makeDir(); //Marumaru폴더 생성 /* OS가 윈도우면, 파일 이름 = MMdownloader_0.5.0.0_Windows.zip */ if(OS_NAME.contains("Windows")){ fileName = LATEST_WINDOWS.substring(LATEST_WINDOWS.lastIndexOf("/")+1); fileURL = LATEST_WINDOWS; } /* OS가 윈도우 이외면 파일 이름 = MMdownloader_0.5.0.0_Mac,Linux.zip */ else{ fileName = LATEST_OTHERS.substring(LATEST_OTHERS.lastIndexOf("/")+1); fileURL = LATEST_OTHERS; } BufferedOutputStream bos = new BufferedOutputStream(new FileOutputStream(DEFAULT_PATH+fileSeparator+fileName), BUF_SIZE); HttpURLConnection conn = (HttpURLConnection)new URL(fileURL).openConnection(); conn.setConnectTimeout(30000); // 타임아웃 30초 conn.setReadTimeout(60000); // 타임아웃 1분 BufferedInputStream bis = new BufferedInputStream(conn.getInputStream(), BUF_SIZE); final double MB_SIZE = (double) conn.getContentLength() / MB; // 전체 파일 사이즈의 MB 값 int readByte = 0; // 읽은 바이트 값 int accum = 0; // 누적 바이트 길이 int count = 0; // MB 를 넘기 전 까지 읽어들인 바이트 길이 System.out.println("다운로드중 ..."); while((readByte = bis.read()) != -1){ bos.write(readByte); /* MB 별로 다운로드 진행 상황을 출력함 */ if(++count >= MB) { accum += count; count = 0; System.out.printf("%,3.2f MB / %,3.2f MB 완료!\n", (double) accum / MB, MB_SIZE); } } bos.close(); bis.close(); System.out.printf("%,3.2f MB / %,3.2f MB 완료!\n", (double) (accum + count) / MB, MB_SIZE); System.out.println("완료! (위치: "+DEFAULT_PATH+fileSeparator+fileName+")"); } else if(select.equalsIgnoreCase("n")){ isCorrectlySelected = true; System.out.println("업데이트가 취소되었습니다."); } } } catch(Exception e){ ErrorHandling.saveErrLog("최신버전 다운로드 에러", "", e); } }