List of usage examples for java.io FileInputStream skip
public long skip(long n) throws IOException
n bytes of data from the input stream. From source file:aarddict.Volume.java
public void verify(VerifyProgressListener listener) throws IOException, NoSuchAlgorithmException { FileInputStream fis = new FileInputStream(origFile); fis.skip(44); byte[] buff = new byte[1 << 16]; MessageDigest m = MessageDigest.getInstance("SHA-1"); int readCount; long totalReadCount = 0; double totalBytes = origFile.length() - 44; boolean proceed = true; while ((readCount = fis.read(buff)) != -1) { m.update(buff, 0, readCount);/*from w w w . jav a 2 s . co m*/ totalReadCount += readCount; proceed = listener.updateProgress(this, totalReadCount / totalBytes); } fis.close(); if (proceed) { String calculated = Volume.toHex(m.digest()); Log.d(TAG, "calculated: " + calculated + " actual: " + sha1sum); listener.verified(this, calculated.equals(this.sha1sum)); } }
From source file:thv.th.reader.SavegameReader.java
public static THMap read(FileInputStream frameStream, FileInputStream frameListStream, FileInputStream frameElementStream, File frameTabFile, File frameChunksFile, THPalette framePalette, FileInputStream saveStream, ABuffer blockTabStream, FileInputStream blockChunkStream, THPalette blockPalette, Color background) throws IOException { Vector<BufferedImage> tiles = ChunksReader.readAll(blockChunkStream, blockTabStream, blockPalette, background);//from ww w . j av a 2s . c om THMap result = new THMap(); saveStream.getChannel().position(13); for (int y = 0; y < 128; ++y) { for (int x = 0; x < 128; ++x) { int pos = (int) saveStream.getChannel().position() + 21; int anim = EndianUtils.readSwappedShort(saveStream); int layer0id = saveStream.read(); int layer1id = saveStream.read(); int layer2id = saveStream.read(); layer0id = LevelReader.tileMap[layer0id]; layer1id = LevelReader.tileMap[layer1id]; layer2id = LevelReader.tileMap[layer2id]; BufferedImage l0 = tiles.elementAt(layer0id); BufferedImage l1 = null; BufferedImage l2 = null; if (layer1id > 0) { l1 = tiles.elementAt(layer1id); } if (layer2id > 0) { l2 = tiles.elementAt(layer2id); } saveStream.skip(1); int extra = saveStream.read(); saveStream.skip(1); Tile tile = new Tile(anim, l0, l1, l2, pos); switch (extra >>> 4) { case 2: case 10: tile.setShadow1(tiles.get(154)); break; case 3: case 11: tile.setShadow0(tiles.get(74)); tile.setShadow1(tiles.get(154)); break; case 6: case 7: case 14: case 15: tile.setShadow0(tiles.get(73)); tile.setShadow1(tiles.get(154)); break; case 1: case 9: tile.setShadow0(tiles.get(74)); break; case 4: case 5: case 12: case 13: tile.setShadow0(tiles.get(73)); break; } switch (extra & 0xf) { case 1: tile.setLitter(FramesReader.readByIndex(3737, frameStream, frameListStream, frameElementStream, frameTabFile, frameChunksFile, framePalette)); break; case 2: tile.setLitter(FramesReader.readByIndex(3738, frameStream, frameListStream, frameElementStream, frameTabFile, frameChunksFile, framePalette)); break; case 3: tile.setLitter(FramesReader.readByIndex(3739, frameStream, frameListStream, frameElementStream, frameTabFile, frameChunksFile, framePalette)); break; case 4: tile.setLitter(FramesReader.readByIndex(4533, frameStream, frameListStream, frameElementStream, frameTabFile, frameChunksFile, framePalette)); break; case 5: tile.setLitter(FramesReader.readByIndex(3741, frameStream, frameListStream, frameElementStream, frameTabFile, frameChunksFile, framePalette)); break; case 6: tile.setLitter(FramesReader.readByIndex(4542, frameStream, frameListStream, frameElementStream, frameTabFile, frameChunksFile, framePalette)); break; case 7: tile.setLitter(FramesReader.readByIndex(3742, frameStream, frameListStream, frameElementStream, frameTabFile, frameChunksFile, framePalette)); break; } long nextPos = saveStream.getChannel().position(); readObjectInfo(saveStream, tile, frameStream, frameListStream, frameElementStream, frameTabFile, frameChunksFile, framePalette); result.setTile(x, y, tile); saveStream.getChannel().position(nextPos); } } /*for(int y = 0; y < 128; ++y) { for(int x = 0; x < 128; ++x) { int pid = EndianUtils.readSwappedShort(mapStream); result.getTile(x, y).setParcel(pid); } }*/ saveStream.close(); return result; }
From source file:edu.wustl.mir.erl.ihe.xdsi.util.StoreSCU.java
public void send(final File f, long fmiEndPos, String cuid, String iuid, String filets) throws IOException, InterruptedException, ParserConfigurationException, SAXException { String ts = selectTransferSyntax(cuid, filets); if (f.getName().endsWith(".xml")) { Attributes parsedDicomFile = SAXReader.parse(new FileInputStream(f)); if (CLIUtils.updateAttributes(parsedDicomFile, attrs, uidSuffix)) iuid = parsedDicomFile.getString(Tag.SOPInstanceUID); if (!ts.equals(filets)) { Decompressor.decompress(parsedDicomFile, filets); }//w w w. jav a 2 s. com as.cstore(cuid, iuid, priority, new DataWriterAdapter(parsedDicomFile), ts, rspHandlerFactory.createDimseRSPHandler(f)); } else { if (uidSuffix == null && attrs.isEmpty() && ts.equals(filets)) { FileInputStream in = new FileInputStream(f); try { in.skip(fmiEndPos); InputStreamDataWriter data = new InputStreamDataWriter(in); as.cstore(cuid, iuid, priority, data, ts, rspHandlerFactory.createDimseRSPHandler(f)); } finally { SafeClose.close(in); } } else { DicomInputStream in = new DicomInputStream(f); try { in.setIncludeBulkData(IncludeBulkData.URI); Attributes data = in.readDataset(-1, -1); if (CLIUtils.updateAttributes(data, attrs, uidSuffix)) iuid = data.getString(Tag.SOPInstanceUID); if (!ts.equals(filets)) { Decompressor.decompress(data, filets); } as.cstore(cuid, iuid, priority, new DataWriterAdapter(data), ts, rspHandlerFactory.createDimseRSPHandler(f)); } finally { SafeClose.close(in); } } } }
From source file:org.apache.hadoop.hdfs.BlockReaderLocal.java
private BlockReaderLocal(Configuration conf, String hdfsfile, Block block, Token<BlockTokenIdentifier> token, long startOffset, long length, BlockLocalPathInfo pathinfo, FileInputStream dataIn) throws IOException { super(new Path("/blk_" + block.getBlockId() + ":of:" + hdfsfile) /*too non path-like?*/, 1); this.startOffset = startOffset; this.dataIn = dataIn; long toSkip = startOffset; while (toSkip > 0) { long skipped = dataIn.skip(toSkip); if (skipped == 0) { throw new IOException("Couldn't initialize input stream"); }/*from w w w. j ava 2 s . c o m*/ toSkip -= skipped; } }
From source file:filesrv.Data.java
public void sendFileBlocking(ClientHandler handler) throws IOException, BadRequestException { File file = getFile();/*from ww w.ja v a 2 s . com*/ fileLength = file.length(); String header = makeFileResponseHeader(handler); FileInputStream in = null; byte buffer[] = new byte[1024 * 1024]; try { in = new FileInputStream(file); if (startRange > 0) { logger.finest("Will skip: " + startRange); in.skip(startRange); } int i = 0; i = in.read(buffer); logger.finest("Sending HTTP header for file."); handler.sendClientBytes(header); handler.setDataMode(DataMode.BINARY, DataType.OUT); logger.finest("Sending file data: " + file); long remain = fileLength - startRange; logger.finest("Remain: " + remain + ", startRange: " + startRange + ", i: " + i); while (i != -1 && remain != 0) { if (i > remain) i = (int) remain; handler.sendClientBinary(buffer, 0, i); startRange += i; remain = fileLength - startRange; i = in.read(buffer); logger.finest("Remain: " + remain + ", startRange: " + startRange + ", i: " + i); Thread.currentThread().yield(); } logger.fine("Sent the file!"); } catch (Exception er) { logger.info("Error sending file: " + er); } finally { if (in != null) in.close(); handler.setDataMode(DataMode.BYTE, DataType.OUT); } if (false) { handler.closeConnection(); } else { //so that we can take more req. clean(); } }
From source file:org.opensilk.music.cast.CastWebServer.java
private Response serveFile(File file, String mime, Map<String, String> headers) { Response res;//from w w w. j a v a2 s . co m try { // Calculate etag String etag = Integer .toHexString((file.getAbsolutePath() + file.lastModified() + "" + file.length()).hashCode()); // Support (simple) skipping: long startFrom = 0; long endAt = -1; String range = headers.get("range"); if (range != null) { if (range.startsWith("bytes=")) { range = range.substring("bytes=".length()); int minus = range.indexOf('-'); try { if (minus > 0) { startFrom = Long.parseLong(range.substring(0, minus)); endAt = Long.parseLong(range.substring(minus + 1)); } } catch (NumberFormatException ignored) { } } } // Change return code and add Content-Range header when skipping is requested long fileLen = file.length(); if (range != null && startFrom >= 0) { if (startFrom >= fileLen) { res = createResponse(Response.Status.RANGE_NOT_SATISFIABLE, NanoHTTPD.MIME_PLAINTEXT, ""); res.addHeader("Content-Range", "bytes 0-0/" + fileLen); res.addHeader("ETag", etag); } else { if (endAt < 0) { endAt = fileLen - 1; } long newLen = endAt - startFrom + 1; if (newLen < 0) { newLen = 0; } final long dataLen = newLen; FileInputStream fis = new FileInputStream(file) { @Override public int available() throws IOException { return (int) dataLen; } }; fis.skip(startFrom); res = createResponse(Response.Status.PARTIAL_CONTENT, mime, fis); res.addHeader("Content-Length", "" + dataLen); res.addHeader("Content-Range", "bytes " + startFrom + "-" + endAt + "/" + fileLen); res.addHeader("ETag", etag); } } else { if (etag.equals(headers.get("if-none-match"))) res = createResponse(Response.Status.NOT_MODIFIED, mime, ""); else { res = createResponse(Response.Status.OK, mime, new FileInputStream(file)); res.addHeader("Content-Length", "" + fileLen); res.addHeader("ETag", etag); } } } catch (IOException ioe) { res = createResponse(Response.Status.FORBIDDEN, NanoHTTPD.MIME_PLAINTEXT, "FORBIDDEN: Reading file failed."); } return res; }
From source file:org.apache.carbondata.core.datastore.filesystem.LocalCarbonFile.java
/** * return the datainputStream which is seek to the offset of file * * @param path//from w w w .j av a 2s .c o m * @param fileType * @param bufferSize * @param offset * @return DataInputStream * @throws IOException */ @Override public DataInputStream getDataInputStream(String path, FileFactory.FileType fileType, int bufferSize, long offset) throws IOException { path = path.replace("\\", "/"); path = FileFactory.getUpdatedFilePath(path, fileType); FileInputStream fis = new FileInputStream(path); long actualSkipSize = 0; long skipSize = offset; try { while (actualSkipSize != offset) { actualSkipSize += fis.skip(skipSize); skipSize = skipSize - actualSkipSize; } } catch (IOException ioe) { CarbonUtil.closeStream(fis); throw ioe; } return new DataInputStream(new BufferedInputStream(fis)); }
From source file:com.joey.software.MoorFLSI.RepeatImageTextReader.java
public void loadTextDataFluxSingle(File file) { try {// w w w . j ava 2 s . c om RandomAccessFile in = new RandomAccessFile(file, "r"); // Skip header in.readLine(); in.readLine(); in.readLine(); // Skip Subject Information in.readLine(); in.readLine(); in.readLine(); in.readLine(); in.readLine(); in.readLine(); String startTimeInput = in.readLine(); String commentsInput = in.readLine(); String data = in.readLine(); while (!data.startsWith("2) System Configuration")) { commentsInput += data; data = in.readLine(); } // System configuration // in.readLine(); in.readLine(); String timeCounstantInput = in.readLine(); String cameraGainInput = in.readLine(); String exposureTimeInput = in.readLine(); in.readLine(); in.readLine(); in.readLine(); String resolutionInput = in.readLine(); // in.readLine(); // System.out.println(in.readLine()); // in.readLine(); // Parse important Size high = (new Scanner(resolutionInput.split(":")[1])).nextInt(); wide = (new Scanner(resolutionInput.split(",")[1])).nextInt(); int tot = 1; while (!data.startsWith("3) Flux Image Data")) { System.out.println(data); data = in.readLine(); } in.readLine(); // Parse Image Data /* * Close Random access file and switch to scanner first store pos * then move to correct point. */ long pos = in.getFilePointer(); in.close(); FileInputStream fIn = new FileInputStream(file); fIn.skip(pos); BufferedInputStream bIn = new BufferedInputStream(fIn); Scanner sIn = new Scanner(bIn); short[][] holder = new short[wide][high]; JFrame f = new JFrame(); f.setDefaultCloseOperation(WindowConstants.DISPOSE_ON_CLOSE); StatusBarPanel stat = new StatusBarPanel(); stat.setMaximum(high); f.getContentPane().setLayout(new BorderLayout()); f.getContentPane().add(stat, BorderLayout.CENTER); f.setSize(200, 60); f.setVisible(true); // Skip over the heading values sIn.reset(); for (int y = 0; y < high; y++) { System.out.println(sIn.nextInt()); try { for (int x = 0; x < wide; x++) { holder[x][y] = sIn.nextShort(); } } catch (Throwable e) { } } addData(new Date(), holder); FrameFactroy.getFrame(new DynamicRangeImage(holder)); // Start Image Data } catch (FileNotFoundException e) { // TODO Auto-generated catch block e.printStackTrace(); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } }
From source file:NanoHTTPD.java
/** * Serves file from homeDir and its' subdirectories (only). Uses only URI, * ignores all headers and HTTP parameters. *//*from w ww . java2 s . c o m*/ public Response serveFile(String uri, Properties header, File homeDir, boolean allowDirectoryListing) { // Make sure we won't die of an exception later if (!homeDir.isDirectory()) return new Response(HTTP_INTERNALERROR, MIME_PLAINTEXT, "INTERNAL ERRROR: serveFile(): given homeDir is not a directory."); // Remove URL arguments uri = uri.trim().replace(File.separatorChar, '/'); if (uri.indexOf('?') >= 0) uri = uri.substring(0, uri.indexOf('?')); // Prohibit getting out of current directory if (uri.startsWith("..") || uri.endsWith("..") || uri.indexOf("../") >= 0) return new Response(HTTP_FORBIDDEN, MIME_PLAINTEXT, "FORBIDDEN: Won't serve ../ for security reasons."); File f = new File(homeDir, uri); if (!f.exists()) return new Response(HTTP_NOTFOUND, MIME_PLAINTEXT, "Error 404, file not found."); // List the directory, if necessary if (f.isDirectory()) { // Browsers get confused without '/' after the // directory, send a redirect. if (!uri.endsWith("/")) { uri += "/"; Response r = new Response(HTTP_REDIRECT, MIME_HTML, "<html><body>Redirected: <a href=\"" + uri + "\">" + uri + "</a></body></html>"); r.addHeader("Location", uri); return r; } // First try index.html and index.htm if (new File(f, "index.html").exists()) f = new File(homeDir, uri + "/index.html"); else if (new File(f, "index.htm").exists()) f = new File(homeDir, uri + "/index.htm"); // No index file, list the directory else if (allowDirectoryListing) { String[] files = f.list(); String msg = "<html><body><h1>Directory " + uri + "</h1><br/>"; if (uri.length() > 1) { String u = uri.substring(0, uri.length() - 1); int slash = u.lastIndexOf('/'); if (slash >= 0 && slash < u.length()) msg += "<b><a href=\"" + uri.substring(0, slash + 1) + "\">..</a></b><br/>"; } for (int i = 0; i < files.length; ++i) { File curFile = new File(f, files[i]); boolean dir = curFile.isDirectory(); if (dir) { msg += "<b>"; files[i] += "/"; } msg += "<a href=\"" + encodeUri(uri + files[i]) + "\">" + files[i] + "</a>"; // Show file size if (curFile.isFile()) { long len = curFile.length(); msg += " <font size=2>("; if (len < 1024) msg += curFile.length() + " bytes"; else if (len < 1024 * 1024) msg += curFile.length() / 1024 + "." + (curFile.length() % 1024 / 10 % 100) + " KB"; else msg += curFile.length() / (1024 * 1024) + "." + curFile.length() % (1024 * 1024) / 10 % 100 + " MB"; msg += ")</font>"; } msg += "<br/>"; if (dir) msg += "</b>"; } return new Response(HTTP_OK, MIME_HTML, msg); } else { return new Response(HTTP_FORBIDDEN, MIME_PLAINTEXT, "FORBIDDEN: No directory listing."); } } try { // Get MIME type from file name extension, if possible String mime = null; int dot = f.getCanonicalPath().lastIndexOf('.'); if (dot >= 0) mime = (String) theMimeTypes.get(f.getCanonicalPath().substring(dot + 1).toLowerCase()); if (mime == null) mime = MIME_DEFAULT_BINARY; // Support (simple) skipping: long startFrom = 0; String range = header.getProperty("Range"); if (range != null) { if (range.startsWith("bytes=")) { range = range.substring("bytes=".length()); int minus = range.indexOf('-'); if (minus > 0) range = range.substring(0, minus); try { startFrom = Long.parseLong(range); } catch (NumberFormatException nfe) { } } } FileInputStream fis = new FileInputStream(f); fis.skip(startFrom); Response r = new Response(HTTP_OK, mime, fis); r.addHeader("Content-length", "" + (f.length() - startFrom)); r.addHeader("Content-range", "" + startFrom + "-" + (f.length() - 1) + "/" + f.length()); return r; } catch (IOException ioe) { return new Response(HTTP_FORBIDDEN, MIME_PLAINTEXT, "FORBIDDEN: Reading file failed."); } }
From source file:ru.org.linux.util.image.ImageInfo.java
private void getJpgInfo(FileInputStream fileStream) throws IOException, BadImageException { if (fileStream.read() == 0xFF && fileStream.read() == 0xD8) { while (true) { int marker; do {//from w w w .ja v a 2 s . c om marker = fileStream.read(); } while (marker != 0xFF); do { marker = fileStream.read(); } while (marker == 0xFF); if (((marker >= 0xC0) && (marker <= 0xC3)) || ((marker >= 0xC5) && (marker <= 0xCB)) || ((marker >= 0xCD) && (marker <= 0xCF))) { fileStream.skip(3); height = shortBigEndian((byte) fileStream.read(), (byte) fileStream.read()); width = shortBigEndian((byte) fileStream.read(), (byte) fileStream.read()); break; } else { int skip = shortBigEndian((byte) fileStream.read(), (byte) fileStream.read()) - 2; if (skip < 0) { throw new BadImageException("Bad JPG image: " + filename); } fileStream.skip(skip); } } } else { throw new BadImageException("Bad JPG image: " + filename); } }