java.io.DataOutputStream Java Examples
The following examples show how to use
java.io.DataOutputStream.
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Example #1
Source File: IAcr1255UBinder.java From external-nfc-api with Apache License 2.0 | 6 votes |
private byte[] noReaderException() { try { ByteArrayOutputStream out = new ByteArrayOutputStream(); DataOutputStream dout = new DataOutputStream(out); dout.writeInt(AcrReader.VERSION); dout.writeInt(AcrReader.STATUS_EXCEPTION); dout.writeUTF("Reader not connected"); byte[] response = out.toByteArray(); Log.d(TAG, "Send exception response length " + response.length + ":" + ACRCommands.toHexString(response)); return response; } catch (Exception e) { throw new RuntimeException(e); } }
Example #2
Source File: Util.java From XKik with GNU General Public License v3.0 | 6 votes |
private static boolean killKIKService(Activity activity) throws IOException { ActivityManager activityManager = (ActivityManager) activity.getSystemService(Context.ACTIVITY_SERVICE); for (ActivityManager.RunningServiceInfo serviceInfo : activityManager.getRunningServices(Integer.MAX_VALUE)) { String packageName = serviceInfo.service.getPackageName(); if (packageName.equals("kik.android")) { Process suProcess = Runtime.getRuntime().exec("su"); DataOutputStream os = new DataOutputStream(suProcess.getOutputStream()); os.writeBytes("adb shell" + "\n"); os.flush(); os.writeBytes("am force-stop kik.android" + "\n"); os.flush(); return true; } } return false; }
Example #3
Source File: ProxyGenerator.java From TencentKona-8 with GNU General Public License v2.0 | 6 votes |
/** * Generate the constructor method for the proxy class. */ private MethodInfo generateConstructor() throws IOException { MethodInfo minfo = new MethodInfo( "<init>", "(Ljava/lang/reflect/InvocationHandler;)V", ACC_PUBLIC); DataOutputStream out = new DataOutputStream(minfo.code); code_aload(0, out); code_aload(1, out); out.writeByte(opc_invokespecial); out.writeShort(cp.getMethodRef( superclassName, "<init>", "(Ljava/lang/reflect/InvocationHandler;)V")); out.writeByte(opc_return); minfo.maxStack = 10; minfo.maxLocals = 2; minfo.declaredExceptions = new short[0]; return minfo; }
Example #4
Source File: TestTupleWritable.java From big-c with Apache License 2.0 | 6 votes |
/** * Tests compatibility with pre-0.21 versions of TupleWritable */ public void testPreVersion21Compatibility() throws Exception { Writable[] manyWrits = makeRandomWritables(64); PreVersion21TupleWritable oldTuple = new PreVersion21TupleWritable(manyWrits); for (int i =0; i<manyWrits.length; i++) { if (i % 3 == 0) { oldTuple.setWritten(i); } } ByteArrayOutputStream out = new ByteArrayOutputStream(); oldTuple.write(new DataOutputStream(out)); ByteArrayInputStream in = new ByteArrayInputStream(out.toByteArray()); TupleWritable dTuple = new TupleWritable(); dTuple.readFields(new DataInputStream(in)); assertTrue("Tuple writable is unable to read pre-0.21 versions of TupleWritable", oldTuple.isCompatible(dTuple)); assertEquals("All tuple data has not been read from the stream",-1,in.read()); }
Example #5
Source File: CompressedDataBuffer.java From deeplearning4j with Apache License 2.0 | 6 votes |
@Override public void write(DataOutputStream out) throws IOException { // logger.info("Writing out CompressedDataBuffer"); // here we should mimic to usual DataBuffer array out.writeUTF(allocationMode.name()); out.writeLong(compressionDescriptor.getCompressedLength()); out.writeUTF(DataType.COMPRESSED.name()); // at this moment we don't care about mimics anymore //ByteIndexer indexer = ByteIndexer.create((BytePointer) pointer); out.writeUTF(compressionDescriptor.getCompressionAlgorithm()); out.writeLong(compressionDescriptor.getCompressedLength()); out.writeLong(compressionDescriptor.getOriginalLength()); out.writeLong(compressionDescriptor.getNumberOfElements()); out.writeInt(compressionDescriptor.getOriginalDataType().ordinal()); // out.write(((BytePointer) pointer).getStringBytes()); for (int x = 0; x < pointer.capacity() * pointer.sizeof(); x++) { byte b = pointer.asByteBuffer().get(x); out.writeByte(b); } }
Example #6
Source File: TestStandardTocReader.java From nifi with Apache License 2.0 | 6 votes |
@Test public void testGetBlockIndexV2() throws IOException { final File file = new File("target/" + UUID.randomUUID().toString()); try (final OutputStream out = new FileOutputStream(file); final DataOutputStream dos = new DataOutputStream(out)) { out.write(2); out.write(0); for (int i=0; i < 1024; i++) { dos.writeLong(i * 1024L); dos.writeLong(0L); } } try { try(final StandardTocReader reader = new StandardTocReader(file)) { assertFalse(reader.isCompressed()); for (int i=0; i < 1024; i++) { assertEquals(i * 1024, reader.getBlockOffset(i)); } } } finally { file.delete(); } }
Example #7
Source File: DTDBuilder.java From hottub with GNU General Public License v2.0 | 6 votes |
/** * Save to a stream as a Java class. Instantiating this class will * reproduce a (virtually) identical DTD. */ void save(DataOutputStream out, String className) throws IOException { out.writeInt(DTD.FILE_VERSION); buildNamesTable(); int numNames = namesVector.size(); out.writeShort((short) (namesVector.size())); for (int i = 0; i < namesVector.size(); i++) { String nm = namesVector.elementAt(i); out.writeUTF(nm); } saveEntities(out); out.writeShort((short) (elements.size())); for (Enumeration<Element> e = elements.elements() ; e.hasMoreElements() ; ) { saveElement(out, e.nextElement()); } if (namesVector.size() != numNames) { System.err.println("!!! ERROR! Names were added to the list!"); Thread.dumpStack(); System.exit(1); } }
Example #8
Source File: TestMRAppWithCombiner.java From hadoop with Apache License 2.0 | 6 votes |
static void createInputOutPutFolder(Path inDir, Path outDir, int numMaps) throws Exception { FileSystem fs = FileSystem.get(conf); if (fs.exists(outDir)) { fs.delete(outDir, true); } if (!fs.exists(inDir)) { fs.mkdirs(inDir); } String input = "The quick brown fox\n" + "has many silly\n" + "red fox sox\n"; for (int i = 0; i < numMaps; ++i) { DataOutputStream file = fs.create(new Path(inDir, "part-" + i)); file.writeBytes(input); file.close(); } }
Example #9
Source File: ZMsg.java From aion with MIT License | 6 votes |
/** * Save message to an open data output stream. Data saved as: 4 bytes: * number of frames For every frame: 4 bytes: byte size of frame data + n * bytes: frame byte data * @param msg * ZMsg to save * @param file * DataOutputStream * @return True if saved OK, else false */ public static boolean save(ZMsg msg, DataOutputStream file) { if (msg == null) return false; try { // Write number of frames file.writeInt(msg.size()); if (msg.size() > 0) { for (ZFrame f : msg) { // Write byte size of frame file.writeInt(f.size()); // Write frame byte data file.write(f.getData()); } } return true; } catch (IOException e) { return false; } }
Example #10
Source File: EngineIRWriter.java From birt with Eclipse Public License 1.0 | 6 votes |
protected void writeListing( DataOutputStream out, ListingDesign listing ) throws IOException { writeReportItem( out, listing ); boolean repeatHeader = listing.isRepeatHeader( ); int pageBreakInterval = listing.getPageBreakInterval( ); if ( repeatHeader == true ) { IOUtil.writeShort( out, FIELD_REPEAT_HEADER ); IOUtil.writeBool( out, repeatHeader ); } if ( pageBreakInterval != -1 ) { IOUtil.writeShort( out, FIELD_PAGE_BREAK_INTERVAL ); IOUtil.writeInt( out, pageBreakInterval ); } }
Example #11
Source File: TextIOJobBuilder.java From hiped2 with Apache License 2.0 | 6 votes |
public TextIOJobBuilder writeInputs() throws IOException { if (fs.exists(outputPath)) { fs.delete(outputPath, true); } if (fs.exists(inputPath)) { fs.delete(inputPath, true); } fs.mkdirs(inputPath); DataOutputStream stream = fs.create(new Path(inputPath, "part-0")); IOUtils.writeLines(inputs, String.format("%n"), stream); stream.close(); return this; }
Example #12
Source File: DataXceiver.java From hadoop with Apache License 2.0 | 6 votes |
@Override public void transferBlock(final ExtendedBlock blk, final Token<BlockTokenIdentifier> blockToken, final String clientName, final DatanodeInfo[] targets, final StorageType[] targetStorageTypes) throws IOException { checkAccess(socketOut, true, blk, blockToken, Op.TRANSFER_BLOCK, BlockTokenSecretManager.AccessMode.COPY); previousOpClientName = clientName; updateCurrentThreadName(Op.TRANSFER_BLOCK + " " + blk); final DataOutputStream out = new DataOutputStream( getOutputStream()); try { datanode.transferReplicaForPipelineRecovery(blk, targets, targetStorageTypes, clientName); writeResponse(Status.SUCCESS, null, out); } catch (IOException ioe) { LOG.info("transferBlock " + blk + " received exception " + ioe); incrDatanodeNetworkErrors(); throw ioe; } finally { IOUtils.closeStream(out); } }
Example #13
Source File: PRNGFixes.java From EasyVPN-Free with GNU General Public License v3.0 | 6 votes |
/** * Generates a device- and invocation-specific seed to be mixed into the * Linux PRNG. */ private static byte[] generateSeed() { try { ByteArrayOutputStream seedBuffer = new ByteArrayOutputStream(); DataOutputStream seedBufferOut = new DataOutputStream(seedBuffer); seedBufferOut.writeLong(System.currentTimeMillis()); seedBufferOut.writeLong(System.nanoTime()); seedBufferOut.writeInt(Process.myPid()); seedBufferOut.writeInt(Process.myUid()); seedBufferOut.write(BUILD_FINGERPRINT_AND_DEVICE_SERIAL); seedBufferOut.close(); return seedBuffer.toByteArray(); } catch (IOException e) { throw new SecurityException("Failed to generate seed", e); } }
Example #14
Source File: DTDBuilder.java From jdk8u-jdk with GNU General Public License v2.0 | 6 votes |
/** * Save to a stream as a Java class. Instantiating this class will * reproduce a (virtually) identical DTD. */ void save(DataOutputStream out, String className) throws IOException { out.writeInt(DTD.FILE_VERSION); buildNamesTable(); int numNames = namesVector.size(); out.writeShort((short) (namesVector.size())); for (int i = 0; i < namesVector.size(); i++) { String nm = namesVector.elementAt(i); out.writeUTF(nm); } saveEntities(out); out.writeShort((short) (elements.size())); for (Enumeration<Element> e = elements.elements() ; e.hasMoreElements() ; ) { saveElement(out, e.nextElement()); } if (namesVector.size() != numNames) { System.err.println("!!! ERROR! Names were added to the list!"); Thread.dumpStack(); System.exit(1); } }
Example #15
Source File: BinaryAttribute.java From jdk8u-jdk with GNU General Public License v2.0 | 6 votes |
static void write(BinaryAttribute attributes, DataOutputStream out, BinaryConstantPool cpool, Environment env) throws IOException { // count the number of attributes int attributeCount = 0; for (BinaryAttribute att = attributes; att != null; att = att.next) attributeCount++; out.writeShort(attributeCount); // write out each attribute for (BinaryAttribute att = attributes; att != null; att = att.next) { Identifier name = att.name; byte data[] = att.data; // write the identifier out.writeShort(cpool.indexString(name.toString(), env)); // write the length out.writeInt(data.length); // write the data out.write(data, 0, data.length); } }
Example #16
Source File: SchematicaControl.java From AACAdditionPro with GNU General Public License v3.0 | 6 votes |
@EventHandler public void on(final PlayerJoinEvent event) { final User user = UserManager.getUser(event.getPlayer().getUniqueId()); if (User.isUserInvalid(user, this.getModuleType())) { return; } // Encoding the data try (final ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream(); final DataOutputStream dataOutputStream = new DataOutputStream(byteArrayOutputStream)) { dataOutputStream.writeByte(0); for (final boolean b : disable) { dataOutputStream.writeBoolean(b); } user.getPlayer().sendPluginMessage(AACAdditionPro.getInstance(), SCHEMATICA_CHANNEL.getChannel(), Objects.requireNonNull(byteArrayOutputStream.toByteArray(), "Schematica plugin message is null")); } catch (final IOException e) { AACAdditionPro.getInstance().getLogger().log(Level.SEVERE, "Could not write the Schematica packet.", e); } }
Example #17
Source File: LoadSimulationController.java From pulsar with Apache License 2.0 | 6 votes |
private void writeProducerOptions(final DataOutputStream outputStream, final ShellArguments arguments, final String topic) throws Exception { if (!arguments.rangeString.isEmpty()) { // If --rand-rate was specified, extract the bounds by splitting on // the comma and parsing the resulting // doubles. final String[] splits = arguments.rangeString.split(","); if (splits.length != 2) { log.error("Argument to --rand-rate should be two comma-separated values"); return; } final double first = Double.parseDouble(splits[0]); final double second = Double.parseDouble(splits[1]); final double min = Math.min(first, second); final double max = Math.max(first, second); arguments.rate = random.nextDouble() * (max - min) + min; } outputStream.writeUTF(topic); outputStream.writeInt(arguments.size); outputStream.writeDouble(arguments.rate); }
Example #18
Source File: ReportContent.java From birt with Eclipse Public License 1.0 | 6 votes |
public void writeContent( DataOutputStream out ) throws IOException { if ( acl != null ) { IOUtil.writeShort( out, FIELD_ACL ); IOUtil.writeObject( out, acl ); } if ( userProperties != null && userProperties.size( ) > 0 ) { IOUtil.writeShort( out, FIELD_USER_PROPERTIES ); IOUtil.writeMap( out, userProperties ); } if ( extProperties != null && !extProperties.isEmpty( ) ) { IOUtil.writeShort( out, FIELD_EXTENSIONS ); IOUtil.writeMap( out, extProperties ); } }
Example #19
Source File: MDNSDiscover.java From tinydnssd with MIT License | 6 votes |
static byte[] queryPacket(String serviceName, int qclass, int... qtypes) throws IOException { ByteArrayOutputStream bos = new ByteArrayOutputStream(); DataOutputStream dos = new DataOutputStream(bos); dos.writeInt(0); dos.writeShort(qtypes.length); // questions dos.writeShort(0); // answers dos.writeShort(0); // nscount dos.writeShort(0); // arcount int fqdnPtr = -1; for (int qtype : qtypes) { if (fqdnPtr == -1) { fqdnPtr = dos.size(); writeFQDN(serviceName, dos); } else { // packet compression, string is just a pointer to previous occurrence dos.write(0xc0 | (fqdnPtr >> 8)); dos.write(fqdnPtr & 0xFF); } dos.writeShort(qtype); dos.writeShort(qclass); } dos.close(); return bos.toByteArray(); }
Example #20
Source File: ProxyMessageCodec.java From terracotta-platform with Apache License 2.0 | 6 votes |
@Override public byte[] encodeResponse(ProxyEntityResponse r) throws MessageCodecException { if (r == null) { return new byte[0]; } MessageType messageType = r.getMessageType(); ByteArrayOutputStream byteOut = new ByteArrayOutputStream(); DataOutputStream output = new DataOutputStream(byteOut); try { output.writeByte(messageType.ordinal()); output.writeByte(messageType == MessageType.ERROR ? 0 : getMessageTypeIdentifier(r)); output.write(codec.encode(r.getResponseType(), r.getResponse())); output.close(); } catch (Exception e) { throw new MessageCodecException("Error encoding ProxyEntityResponse", e); } return byteOut.toByteArray(); }
Example #21
Source File: BigEndianShortCoder.java From beam with Apache License 2.0 | 5 votes |
@Override public void encode(Short value, OutputStream outStream) throws IOException { if (value == null) { throw new CoderException("cannot encode a null Short"); } new DataOutputStream(outStream).writeShort(value); }
Example #22
Source File: WindowCheckVanish.java From ehacks-pro with GNU General Public License v3.0 | 5 votes |
@Override public void run() { //YouAlwaysWinClickGui.log("[LegacyPingCV] Updating"); ServerData serverData = Wrapper.INSTANCE.mc().func_147104_D(); if (serverData == null) { lastLpResult = -2; lpThreadStarted.set(false); return; } ServerAddress address = ServerAddress.func_78860_a(serverData.serverIP); try { String[] data; //clientSocket.connect(new InetSocketAddress("n5.streamcraft.net", 25666), 7000); try (Socket clientSocket = new Socket()) { //clientSocket.connect(new InetSocketAddress("n5.streamcraft.net", 25666), 7000); clientSocket.connect(new InetSocketAddress(address.getIP(), address.getPort()), 7000); clientSocket.setSoTimeout(7000); DataOutputStream dos = new DataOutputStream(clientSocket.getOutputStream()); BufferedReader br = new BufferedReader(new InputStreamReader(clientSocket.getInputStream())); dos.write(payload, 0, payload.length); data = br.readLine().split("\u0000\u0000\u0000"); } if (data.length < 2) { lastLpResult = -2; lpThreadStarted.set(false); return; } lastLpResult = Integer.valueOf(data[data.length - 2].replace("\u0000", "")); //YouAlwaysWinClickGui.log("[LegacyPingCV] Updated"); } catch (Exception e) { lastLpResult = -1; //YouAlwaysWinClickGui.log("[LegacyPingCV] Error on updating: " + e.getMessage()); } lpThreadStarted.set(false); }
Example #23
Source File: DoubleSupplierTest.java From Lightweight-Stream-API with Apache License 2.0 | 5 votes |
@BeforeClass public static void setUp() throws IOException { final ByteArrayOutputStream baos = new ByteArrayOutputStream(15); final DataOutputStream dos = new DataOutputStream(baos); dos.writeDouble(0.16); dos.writeDouble(3.20); dos.writeDouble(5000); input = baos.toByteArray(); }
Example #24
Source File: ExternalizableJsonEntity.java From parse4cn1 with Apache License 2.0 | 5 votes |
/** * @see com.codename1.io.Externalizable */ public void externalize(DataOutputStream out) throws IOException { Util.writeUTF(type.toString(), out); if (type == EJsonEntityType.JSON_ARRAY) { Util.writeObject(ParseDecoder.convertJSONArrayToList((JSONArray)object), out); } else if (type == EJsonEntityType.JSON_OBJECT) { Util.writeObject(ParseDecoder.convertJSONObjectToMap((JSONObject)object), out); } }
Example #25
Source File: GetKeyOwnerRequest.java From cacheonix-core with GNU Lesser General Public License v2.1 | 5 votes |
public void writeWire(final DataOutputStream out) throws IOException { super.writeWire(out); SerializerUtils.writeString(cacheName, out); out.writeInt(storageNumber); out.writeShort(bucketNumber); }
Example #26
Source File: UnaryFilter.java From incubator-iotdb with Apache License 2.0 | 5 votes |
@Override public void serialize(DataOutputStream outputStream) { try { outputStream.write(getSerializeId().ordinal()); outputStream.write(filterType.ordinal()); ReadWriteIOUtils.writeObject(value, outputStream); } catch (IOException ignored) { // ignored } }
Example #27
Source File: GOTO.java From Bytecoder with Apache License 2.0 | 5 votes |
/** * Dump instruction as byte code to stream out. * @param out Output stream */ @Override public void dump( final DataOutputStream out ) throws IOException { super.setIndex(getTargetOffset()); final short _opcode = getOpcode(); if (_opcode == com.sun.org.apache.bcel.internal.Const.GOTO) { super.dump(out); } else { // GOTO_W super.setIndex(getTargetOffset()); out.writeByte(_opcode); out.writeInt(super.getIndex()); } }
Example #28
Source File: TestSocketClientTransaction.java From localization_nifi with Apache License 2.0 | 5 votes |
@Test public void testReceiveWithInvalidChecksum() throws IOException { ByteArrayOutputStream serverResponseBos = new ByteArrayOutputStream(); DataOutputStream serverResponse = new DataOutputStream(serverResponseBos); ResponseCode.MORE_DATA.writeResponse(serverResponse); codec.encode(createDataPacket("contents on server 1"), serverResponse); ResponseCode.CONTINUE_TRANSACTION.writeResponse(serverResponse); codec.encode(createDataPacket("contents on server 2"), serverResponse); ResponseCode.FINISH_TRANSACTION.writeResponse(serverResponse); ResponseCode.BAD_CHECKSUM.writeResponse(serverResponse); ByteArrayInputStream bis = new ByteArrayInputStream(serverResponseBos.toByteArray()); ByteArrayOutputStream bos = new ByteArrayOutputStream(); SocketClientTransaction transaction = getClientTransaction(bis, bos, TransferDirection.RECEIVE); execReceiveWithInvalidChecksum(transaction); // Verify what client has sent. DataInputStream sentByClient = new DataInputStream(new ByteArrayInputStream(bos.toByteArray())); assertEquals(RequestType.RECEIVE_FLOWFILES, RequestType.readRequestType(sentByClient)); Response confirmResponse = Response.read(sentByClient); assertEquals(ResponseCode.CONFIRM_TRANSACTION, confirmResponse.getCode()); assertEquals("Checksum should be calculated at client", "2969091230", confirmResponse.getMessage()); assertEquals(-1, sentByClient.read()); }
Example #29
Source File: AvroUtils.java From incubator-gobblin with Apache License 2.0 | 5 votes |
/** * Write a schema to a file * @param schema the schema * @param filePath the target file * @param tempFilePath if not null then this path is used for a temporary file used to stage the write * @param fs a {@link FileSystem} * @param overwrite should any existing target file be overwritten? * @param perm permissions * @throws IOException */ public static void writeSchemaToFile(Schema schema, Path filePath, Path tempFilePath, FileSystem fs, boolean overwrite, FsPermission perm) throws IOException { boolean fileExists = fs.exists(filePath); if (!overwrite) { Preconditions.checkState(!fileExists, filePath + " already exists"); } else { // delete the target file now if not using a staging file if (fileExists && null == tempFilePath) { HadoopUtils.deletePath(fs, filePath, true); // file has been removed fileExists = false; } } // If the file exists then write to a temp file to make the replacement as close to atomic as possible Path writeFilePath = fileExists ? tempFilePath : filePath; try (DataOutputStream dos = fs.create(writeFilePath)) { dos.writeChars(schema.toString()); } fs.setPermission(writeFilePath, perm); // Replace existing file with the staged file if (fileExists) { if (!fs.delete(filePath, true)) { throw new IOException( String.format("Failed to delete %s while renaming %s to %s", filePath, tempFilePath, filePath)); } HadoopUtils.movePath(fs, tempFilePath, fs, filePath, true, fs.getConf()); } }
Example #30
Source File: Row.java From pentaho-kettle with Apache License 2.0 | 5 votes |
public static final byte[] extractData( Row row ) { try { ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream(); DataOutputStream dataOutputStream = new DataOutputStream( byteArrayOutputStream ); row.writeData( dataOutputStream ); dataOutputStream.close(); byteArrayOutputStream.close(); return byteArrayOutputStream.toByteArray(); } catch ( Exception e ) { throw new RuntimeException( BaseMessages.getString( PKG, "Row.ErrorSerializing" ) + row, e ); } }