List of usage examples for java.io DataInputStream readUnsignedByte
public final int readUnsignedByte() throws IOException
readUnsignedByte method of DataInput. From source file:Main.java
public static void main(String[] args) throws Exception { FileInputStream fin = new FileInputStream("C:/UnsignedByte.txt"); DataInputStream din = new DataInputStream(fin); int i = din.readUnsignedByte(); System.out.println("Unsinged byte value : " + i); din.close();//from w w w.j a va 2s.c o m }
From source file:Main.java
public static void main(String[] args) throws IOException { byte[] b = { -123, 4 }; FileOutputStream fos = new FileOutputStream("c:\\test.txt"); DataOutputStream dos = new DataOutputStream(fos); for (byte j : b) { dos.writeByte(j);// w w w .ja v a 2 s .co m } dos.flush(); InputStream is = new FileInputStream("c:\\test.txt"); DataInputStream dis = new DataInputStream(is); while (dis.available() > 0) { int k = dis.readUnsignedByte(); System.out.print(k); } }
From source file:cn.xiongyihui.wificar.MjpegStream.java
private int getEndOfSeqeunce(DataInputStream in, byte[] sequence) throws IOException { int seqIndex = 0; byte c;//from w ww. j a v a 2s. com for (int i = 0; i < FRAME_MAX_LENGTH; i++) { c = (byte) in.readUnsignedByte(); if (c == sequence[seqIndex]) { seqIndex++; if (seqIndex == sequence.length) return i + 1; } else seqIndex = 0; } return -1; }
From source file:net.minecraftforge.fml.repackage.com.nothome.delta.GDiffPatcher.java
/** * Patches to an output stream./*from w ww .j av a 2s. c o m*/ */ public void patch(SeekableSource source, InputStream patch, OutputStream out) throws IOException { DataOutputStream outOS = new DataOutputStream(out); DataInputStream patchIS = new DataInputStream(patch); // the magic string is 'd1 ff d1 ff' + the version number if (patchIS.readUnsignedByte() != 0xd1 || patchIS.readUnsignedByte() != 0xff || patchIS.readUnsignedByte() != 0xd1 || patchIS.readUnsignedByte() != 0xff || patchIS.readUnsignedByte() != 0x04) { throw new PatchException("magic string not found, aborting!"); } while (true) { int command = patchIS.readUnsignedByte(); if (command == EOF) break; int length; int offset; if (command <= DATA_MAX) { append(command, patchIS, outOS); continue; } switch (command) { case DATA_USHORT: // ushort, n bytes following; append length = patchIS.readUnsignedShort(); append(length, patchIS, outOS); break; case DATA_INT: // int, n bytes following; append length = patchIS.readInt(); append(length, patchIS, outOS); break; case COPY_USHORT_UBYTE: offset = patchIS.readUnsignedShort(); length = patchIS.readUnsignedByte(); copy(offset, length, source, outOS); break; case COPY_USHORT_USHORT: offset = patchIS.readUnsignedShort(); length = patchIS.readUnsignedShort(); copy(offset, length, source, outOS); break; case COPY_USHORT_INT: offset = patchIS.readUnsignedShort(); length = patchIS.readInt(); copy(offset, length, source, outOS); break; case COPY_INT_UBYTE: offset = patchIS.readInt(); length = patchIS.readUnsignedByte(); copy(offset, length, source, outOS); break; case COPY_INT_USHORT: offset = patchIS.readInt(); length = patchIS.readUnsignedShort(); copy(offset, length, source, outOS); break; case COPY_INT_INT: offset = patchIS.readInt(); length = patchIS.readInt(); copy(offset, length, source, outOS); break; case COPY_LONG_INT: long loffset = patchIS.readLong(); length = patchIS.readInt(); copy(loffset, length, source, outOS); break; default: throw new IllegalStateException("command " + command); } } outOS.flush(); }
From source file:fr.noop.subtitle.stl.StlParser.java
private SubtitleTimeCode readTimeCode(DataInputStream dis, int frameRate) throws IOException, InvalidTimeRangeException { int hour = dis.readUnsignedByte(); int minute = dis.readUnsignedByte(); int second = dis.readUnsignedByte(); int frame = dis.readUnsignedByte(); // Frame duration in milliseconds int frameDuration = (1000 / frameRate); // Build time code return new SubtitleTimeCode(hour, minute, second, frame * frameDuration); }
From source file:de.hybris.platform.cuppytrail.impl.DefaultSecureTokenService.java
private void skipPadding(final DataInputStream dataInputStream) throws IOException { final int firstByte = dataInputStream.readUnsignedByte(); // Find number of additional bytes to skip (stored in the bottom 3 bits) final int length = firstByte & 0x0007; for (int i = 0; i < length; i++) { dataInputStream.readByte();//from w w w . j a v a 2s . co m } }
From source file:com.envirover.spl.SPLGroungControlTest.java
@Test public void testMOMessagePipeline() throws URISyntaxException, ClientProtocolException, IOException, InterruptedException { System.out.println("MO TEST: Testing MO message pipeline..."); Thread.sleep(1000);/*from w w w . j a v a2 s . c o m*/ Thread mavlinkThread = new Thread(new Runnable() { public void run() { Socket client = null; try { System.out.printf("MO TEST: Connecting to tcp://%s:%d", InetAddress.getLocalHost().getHostAddress(), config.getMAVLinkPort()); System.out.println(); client = new Socket(InetAddress.getLocalHost().getHostAddress(), config.getMAVLinkPort()); System.out.printf("MO TEST: Connected tcp://%s:%d", InetAddress.getLocalHost().getHostAddress(), config.getMAVLinkPort()); System.out.println(); Parser parser = new Parser(); DataInputStream in = new DataInputStream(client.getInputStream()); while (true) { MAVLinkPacket packet; do { int c = in.readUnsignedByte(); packet = parser.mavlink_parse_char(c); } while (packet == null); System.out.printf("MO TEST: MAVLink message received: msgid = %d", packet.msgid); System.out.println(); Thread.sleep(100); } } catch (InterruptedException ex) { return; } catch (Exception ex) { ex.printStackTrace(); } finally { try { client.close(); } catch (IOException e) { e.printStackTrace(); } } } }); mavlinkThread.start(); HttpClient httpclient = HttpClients.createDefault(); URIBuilder builder = new URIBuilder(); builder.setScheme("http"); builder.setHost(InetAddress.getLocalHost().getHostAddress()); builder.setPort(config.getRockblockPort()); builder.setPath(config.getHttpContext()); URI uri = builder.build(); HttpPost httppost = new HttpPost(uri); // Request parameters and other properties. List<NameValuePair> params = new ArrayList<NameValuePair>(2); params.add(new BasicNameValuePair("imei", config.getRockBlockIMEI())); params.add(new BasicNameValuePair("momsn", "12345")); params.add(new BasicNameValuePair("transmit_time", "12-10-10 10:41:50")); params.add(new BasicNameValuePair("iridium_latitude", "52.3867")); params.add(new BasicNameValuePair("iridium_longitude", "0.2938")); params.add(new BasicNameValuePair("iridium_cep", "9")); params.add(new BasicNameValuePair("data", Hex.encodeHexString(getSamplePacket().encodePacket()))); httppost.setEntity(new UrlEncodedFormEntity(params, "UTF-8")); // Execute and get the response. System.out.printf("MO TEST: Sending test message to %s", uri.toString()); System.out.println(); HttpResponse response = httpclient.execute(httppost); if (response.getStatusLine().getStatusCode() != 200) { fail(String.format("RockBLOCK HTTP message handler status code = %d.", response.getStatusLine().getStatusCode())); } HttpEntity entity = response.getEntity(); if (entity != null) { InputStream responseStream = entity.getContent(); try { String responseString = IOUtils.toString(responseStream); System.out.println(responseString); } finally { responseStream.close(); } } Thread.sleep(1000); mavlinkThread.interrupt(); System.out.println("MO TEST: Complete."); }
From source file:fr.noop.subtitle.stl.StlParser.java
private StlTti readTti(DataInputStream dis, StlGsi gsi) throws IOException, InvalidTimeRangeException { // Get charset from gsi String charset = gsi.getCct().getCharset(); // Get frame rate from gsi int frameRate = gsi.getDfc().getFrameRate(); // Read and extract metadata from TTI block // Each TTI block is 128 bytes long StlTti tti = new StlTti(); // Read Subtitle Group Number (SGN) tti.setSgn((short) dis.readUnsignedByte()); // Read Subtitle Number (SN) tti.setSn(Short.reverseBytes(dis.readShort())); // Read Extension Block Number (EBN) tti.setEbn((short) dis.readUnsignedByte()); // Read Cumulative Status (CS) tti.setCs((short) dis.readUnsignedByte()); // Read Time Code In (TCI) tti.setTci(this.readTimeCode(dis, frameRate)); // Read Time Code Out (TCO) tti.setTco(this.readTimeCode(dis, frameRate)); // Read Vertical Position (VP) tti.setVp((short) dis.readUnsignedByte()); // Read Justification Code (JC) tti.setJc(StlTti.Jc.getEnum(dis.readUnsignedByte())); // Read Comment Flag (CF) tti.setCf((short) dis.readUnsignedByte()); // Read TextField (TF) byte[] tfBytes = new byte[112]; dis.readFully(tfBytes, 0, 112);//from w w w. j a v a2 s . co m tti.setTf(new String(tfBytes, charset)); // TTI is fully parsed return tti; }
From source file:fr.noop.subtitle.stl.StlParser.java
private StlGsi readGsi(DataInputStream dis) throws IOException, InvalidTimeRangeException { // Read and extract metadata from GSI block // GSI block is 1024 bytes long StlGsi gsi = new StlGsi(); // Read Code Page Number (CPN) byte[] cpnBytes = new byte[3]; dis.readFully(cpnBytes, 0, 3);//www . j a v a 2 s . c om int cpn = cpnBytes[0] << 16 | cpnBytes[1] << 8 | cpnBytes[2]; gsi.setCpn(StlGsi.Cpn.getEnum(cpn)); // Read Disk Format Code (DFC) gsi.setDfc(StlGsi.Dfc.getEnum(this.readString(dis, 8))); // Read Display Standard Code (DSC) gsi.setDsc(StlGsi.Dsc.getEnum(dis.readUnsignedByte())); // Read Character Code Table number (CCT) gsi.setCct(StlGsi.Cct.getEnum(Short.reverseBytes(dis.readShort()))); // Read Character Language Code (LC) gsi.setLc(Short.reverseBytes(dis.readShort())); // Read Original Programme Title (OPT) gsi.setOpt(this.readString(dis, 32)); // Read Original Programme Title (OET) gsi.setOet(this.readString(dis, 32)); // Read Translated Programme Title (TPT) gsi.setTpt(this.readString(dis, 32)); // Read translated Episode Title (TET) gsi.setTet(this.readString(dis, 32)); // Read Translator's Name (TN) gsi.setTn(this.readString(dis, 32)); // Read Translator's Contact Details (TCD) gsi.setTcd(this.readString(dis, 32)); // Read Subtitle List Reference Code (SLR) gsi.setSlr(this.readString(dis, 16)); // Read Creation Date (CD) gsi.setCd(this.readDate(this.readString(dis, 6))); // Read Revision Date (RD) gsi.setRd(this.readDate(this.readString(dis, 6))); // Read Revision number RN gsi.setRn(Short.reverseBytes(dis.readShort())); // Read Total Number of Text and Timing Information (TTI) blocks (TNB) gsi.setTnb(Integer.parseInt(this.readString(dis, 5))); // Read Total Number of Subtitles (TNS) gsi.setTns(Integer.parseInt(this.readString(dis, 5))); // Read Total Number of Subtitle Groups (TNG) dis.skipBytes(3); // Read Maximum Number of Displayable Characters in any text row (MNC) gsi.setMnc(Integer.parseInt(this.readString(dis, 2))); // Read Maximum Number of Displayable Rows (MNR) gsi.setMnr(Integer.parseInt(this.readString(dis, 2))); // Read Time Code: Status (TCS) gsi.setTcs((short) dis.readUnsignedByte()); // Read Time Code: Start-of-Programme (TCP) gsi.setTcp(this.readTimeCode(this.readString(dis, 8), gsi.getDfc().getFrameRate())); // Read Time Code: First In-Cue (TCF) gsi.setTcf(this.readTimeCode(this.readString(dis, 8), gsi.getDfc().getFrameRate())); // Read Total Number of Disks (TND) gsi.setTnd((short) dis.readUnsignedByte()); // Read Disk Sequence Number (DSN) gsi.setDsn((short) dis.readUnsignedByte()); // Read Country of Origin (CO) gsi.setCo(this.readString(dis, 3)); // Read Publisher (PUB) gsi.setPub(this.readString(dis, 32)); // Read Editor's Name (EN) gsi.setEn(this.readString(dis, 32)); // Read Editor's Contact Details (ECD) gsi.setEcd(this.readString(dis, 32)); // Spare Bytes dis.skipBytes(75); // Read User-Defined Area (UDA) gsi.setUda(this.readString(dis, 576)); return gsi; }
From source file:com.ning.arecibo.util.timeline.times.TimelineCoderImpl.java
@Override public List<DateTime> decompressDateTimes(final byte[] compressedTimes) { final List<DateTime> dateTimeList = new ArrayList<DateTime>(compressedTimes.length * 4); final ByteArrayInputStream byteStream = new ByteArrayInputStream(compressedTimes); final DataInputStream byteDataStream = new DataInputStream(byteStream); int opcode = 0; int lastTime = 0; try {//from w w w. j a v a2s. c om while (true) { opcode = byteDataStream.read(); if (opcode == -1) { break; } if (opcode == TimelineOpcode.FULL_TIME.getOpcodeIndex()) { lastTime = byteDataStream.readInt(); dateTimeList.add(DateTimeUtils.dateTimeFromUnixSeconds(lastTime)); } else if (opcode == TimelineOpcode.REPEATED_DELTA_TIME_BYTE.getOpcodeIndex()) { final int repeatCount = byteDataStream.readUnsignedByte(); final int delta = byteDataStream.readUnsignedByte(); for (int i = 0; i < repeatCount; i++) { lastTime = lastTime + delta; dateTimeList.add(DateTimeUtils.dateTimeFromUnixSeconds(lastTime)); } } else if (opcode == TimelineOpcode.REPEATED_DELTA_TIME_SHORT.getOpcodeIndex()) { final int repeatCount = byteDataStream.readUnsignedShort(); final int delta = byteDataStream.readUnsignedByte(); for (int i = 0; i < repeatCount; i++) { lastTime = lastTime + delta; dateTimeList.add(DateTimeUtils.dateTimeFromUnixSeconds(lastTime)); } } else { // The opcode is itself a singleton delta lastTime = lastTime + opcode; dateTimeList.add(DateTimeUtils.dateTimeFromUnixSeconds(lastTime)); } } } catch (IOException e) { log.error(e, "In decompressTimes(), exception decompressing"); } return dateTimeList; }