Java Code Examples for java.io.DataOutputStream

The following are top voted examples for showing how to use java.io.DataOutputStream. These examples are extracted from open source projects. You can vote up the examples you like and your votes will be used in our system to generate more good examples.
Example 1
Project: monarch   File: OfflineMembersDetailsJUnitTest.java   View source code 6 votes vote down vote up
@Test
public void testSerialization() throws Exception {
  Set<PersistentMemberID>[] offlineMembers = new Set[5];
  for (int i = 0; i < offlineMembers.length; i++) {
    offlineMembers[i] = new HashSet<PersistentMemberID>();
    offlineMembers[i].add(new PersistentMemberID(DiskStoreID.random(), InetAddress.getLocalHost(),
        "a", System.currentTimeMillis(), (short) 0));
  }
  OfflineMemberDetailsImpl details = new OfflineMemberDetailsImpl(offlineMembers);

  ByteArrayOutputStream boas = new ByteArrayOutputStream();
  DataOutput out = new DataOutputStream(boas);
  details.toData(out);

  OfflineMemberDetailsImpl details2 = new OfflineMemberDetailsImpl();
  details2.fromData(new DataInputStream(new ByteArrayInputStream(boas.toByteArray())));
}
 
Example 2
Project: BiglyBT   File: PRUDPPacketRequestAnnounce.java   View source code 6 votes vote down vote up
@Override
public void
serialise(
	DataOutputStream	os )

	throws IOException
{
	super.serialise(os);

	os.write( hash );
	os.write( peer_id );
	os.writeLong( downloaded );
	os.writeLong( left );
	os.writeLong( uploaded );
	os.writeInt( event );
	os.writeInt( ip_address );
	os.writeInt( num_want );
	os.writeShort( port );
}
 
Example 3
Project: GRIB2Tools   File: GribSection0.java   View source code 6 votes vote down vote up
public void writeToStream(OutputStream gribFile) {
	
	DataOutputStream dataout = new DataOutputStream(gribFile);
	
	try {
		
		gribFile.write(magicnumberbytes);
		dataout.writeShort(reserved);
		gribFile.write(discipline);
		gribFile.write(number);
		dataout.writeLong(totalLength);
		
	} catch (IOException e) {
		// TODO Auto-generated catch block
		e.printStackTrace();
	}
}
 
Example 4
Project: jdk8u-jdk   File: NumberConstantData.java   View source code 6 votes vote down vote up
/**
 * Write the constant to the output stream
 */
void write(Environment env, DataOutputStream out, ConstantPool tab) throws IOException {
    if (num instanceof Integer) {
        out.writeByte(CONSTANT_INTEGER);
        out.writeInt(num.intValue());
    } else if (num instanceof Long) {
        out.writeByte(CONSTANT_LONG);
        out.writeLong(num.longValue());
    } else if (num instanceof Float) {
        out.writeByte(CONSTANT_FLOAT);
        out.writeFloat(num.floatValue());
    } else if (num instanceof Double) {
        out.writeByte(CONSTANT_DOUBLE);
        out.writeDouble(num.doubleValue());
    }
}
 
Example 5
Project: golos4j   File: Util.java   View source code 6 votes vote down vote up
/**
 * Transform a long value into its byte representation.
 * 
 * @param longValue
 *            value The long value to transform.
 * @return The byte representation of the given value.
 */
public static byte[] long2VarIntByteArray(long longValue) {
	try {
		long value = longValue;

		ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
		DataOutput out = new DataOutputStream(byteArrayOutputStream);

		while ((value & 0xFFFFFFFFFFFFFF80L) != 0L) {
			out.writeByte(((int) value & 0x7F) | 0x80);
			value >>>= 7;
		}

		out.writeByte((int) value & 0x7F);

		return byteArrayOutputStream.toByteArray();
	} catch (IOException e) {
		LOG.error("Could not transform the given long value into its VarInt representation - "
				+ "Using BitcoinJ as Fallback. This could cause problems for values > 127.", e);
		return (new VarInt(longValue)).encode();
	}
}
 
Example 6
Project: QN-ACTR-Release   File: JwatSession.java   View source code 6 votes vote down vote up
private void saveVarMapping(VariableNumber var, ZipOutputStream zos) throws IOException {
	//System.out.println("VAR "+ filepath + var.getName()+"_Map"+BINext);

	zos.putNextEntry(new ZipEntry(var.getName() + "_Map" + BINext));
	DataOutputStream dos = new DataOutputStream(zos);

	Mapping[] map = var.getMapping().getMappingValue();

	dos.write(map.length);
	for (Mapping element : map) {
		dos.writeDouble(element.getConversion());
		dos.writeUTF(element.getValue().toString());
	}
	dos.flush();
	zos.closeEntry();

}
 
Example 7
Project: pc-android-controller-android   File: Utils.java   View source code 6 votes vote down vote up
/**
     * 执行shell命令
     *
     * @param cmd
     */
//    http://blog.csdn.net/mad1989/article/details/38109689/
    public void execShellCmd(String cmd) {
        L.d("执行命令 " + cmd);
        try {
            // 申请获取root权限,这一步很重要,不然会没有作用
            Process process = Runtime.getRuntime().exec("su");
            // 获取输出流
            OutputStream outputStream = process.getOutputStream();
            DataOutputStream dataOutputStream = new DataOutputStream(
                    outputStream);
            dataOutputStream.writeBytes(cmd);
            dataOutputStream.flush();
            dataOutputStream.close();
            outputStream.close();
        } catch (Throwable t) {
            t.printStackTrace();
        }
    }
 
Example 8
Project: GitTalent   File: AnalyticsController.java   View source code 6 votes vote down vote up
private String excuteCBASQuery(String query) throws Exception {
    URL url = new URL(getCbasURL());
    HttpURLConnection connection = (HttpURLConnection) url.openConnection();
    connection.setDoInput(true);
    connection.setDoOutput(true);
    connection.setRequestMethod("POST");

    connection.setRequestProperty("Content-Type",
            "application/x-www-form-urlencoded");
    connection.setRequestProperty("ignore-401",
            "true");

    String encodedQuery = URLEncoder.encode(query, "UTF-8");
    String payload = "statement=" + encodedQuery;

    DataOutputStream out = new DataOutputStream(connection.getOutputStream());
    out.writeBytes(payload);
    out.flush();
    out.close();

    int responseCode = connection.getResponseCode();

    BufferedReader in = new BufferedReader(
            new InputStreamReader(connection.getInputStream()));
    String inputLine;
    StringBuffer response = new StringBuffer();
    while ((inputLine = in.readLine()) != null) {
        response.append(inputLine);
    }
    in.close();

    return response.toString();
}
 
Example 9
Project: monarch   File: DataSerializableJUnitTest.java   View source code 6 votes vote down vote up
/**
 * Tests data serializing a <code>long</code> array
 */
@Test
public void testLongArray() throws Exception {
  long[] array = new long[] {4, 5, 6};

  DataOutputStream out = getDataOutput();
  DataSerializer.writeLongArray(array, out);
  out.flush();

  DataInput in = getDataInput();
  long[] array2 = DataSerializer.readLongArray(in);

  assertEquals(array.length, array2.length);
  for (int i = 0; i < array.length; i++) {
    assertEquals(array[i], array2[i]);
  }
}
 
Example 10
Project: hadoop   File: TestJoinTupleWritable.java   View source code 6 votes vote down vote up
public void testWideWritable2() throws Exception {
  Writable[] manyWrits = makeRandomWritables(71);
  
  TupleWritable sTuple = new TupleWritable(manyWrits);
  for (int i =0; i<manyWrits.length; i++)
  {
    sTuple.setWritten(i);
  }
  ByteArrayOutputStream out = new ByteArrayOutputStream();
  sTuple.write(new DataOutputStream(out));
  ByteArrayInputStream in = new ByteArrayInputStream(out.toByteArray());
  TupleWritable dTuple = new TupleWritable();
  dTuple.readFields(new DataInputStream(in));
  assertTrue("Failed to write/read tuple", sTuple.equals(dTuple));
  assertEquals("All tuple data has not been read from the stream", 
    -1, in.read());
}
 
Example 11
Project: ProjectAres   File: PlayerServerChanger.java   View source code 6 votes vote down vote up
public ListenableFuture<?> sendPlayerToServer(Player player, @Nullable String bungeeName, boolean quiet) {
    if(localServer.bungee_name().equals(bungeeName) || (localServer.role() == ServerDoc.Role.LOBBY && bungeeName == null)) {
        return Futures.immediateFuture(null);
    }

    final ByteArrayOutputStream message = new ByteArrayOutputStream();
    final DataOutputStream out = new DataOutputStream(message);

    try {
        out.writeUTF(quiet ? "ConnectQuiet" : "Connect");
        out.writeUTF(bungeeName == null ? "default" : bungeeName);
    } catch(IOException e) {
        return Futures.immediateFailedFuture(e);
    }

    player.sendPluginMessage(plugin, PLUGIN_CHANNEL, message.toByteArray());
    return quitFuture(player);
}
 
Example 12
Project: ssl-provider-jvm16   File: BouncyCastleDefaultTlsClient.java   View source code 6 votes vote down vote up
@Override
public Hashtable<Integer, byte[]> getClientExtensions() throws IOException {
    Hashtable<Integer, byte[]> clientExtensions = super.getClientExtensions();
    if (clientExtensions == null) {
        clientExtensions = new Hashtable<Integer, byte[]>();
    }

    //Add host_name
    byte[] host_name = host.getBytes();

    final ByteArrayOutputStream baos = new ByteArrayOutputStream();
    final DataOutputStream dos = new DataOutputStream(baos);
    dos.writeShort(host_name.length + 3); // entry size
    dos.writeByte(0); // name type = hostname
    dos.writeShort(host_name.length);
    dos.write(host_name);
    dos.close();
    clientExtensions.put(ExtensionType.server_name, baos.toByteArray());
    return clientExtensions;
}
 
Example 13
Project: monarch   File: DataSerializableJUnitTest.java   View source code 6 votes vote down vote up
private void tryArrayList(int size) throws IOException, ClassNotFoundException {
  setUp();
  final Random random = getRandom();
  final ArrayList list = size == -1 ? null : new ArrayList(size);
  for (int i = 0; i < size; i++) {
    list.add(new Long(random.nextLong()));
  }

  DataOutputStream out = getDataOutput();
  DataSerializer.writeArrayList(list, out);
  out.flush();

  DataInput in = getDataInput();
  ArrayList list2 = DataSerializer.readArrayList(in);
  assertEquals(list, list2);
  tearDown();
}
 
Example 14
Project: monarch   File: MKeyBaseTest.java   View source code 6 votes vote down vote up
/**
 * Assert that MKeyBase can be serialized and de-serialized as expected.
 *
 * @throws IOException
 * @throws ClassNotFoundException
 */
@Test
public void testSerialize() throws IOException, ClassNotFoundException {
  final MKeyBase key = new MKeyBase("abc".getBytes());
  ByteArrayOutputStream bos = new ByteArrayOutputStream();
  DataOutputStream dos = new DataOutputStream(bos);

  key.toData(dos);

  DataInputStream dis = new DataInputStream(new ByteArrayInputStream(bos.toByteArray()));
  final MKeyBase readKey = new MKeyBase();
  readKey.fromData(dis);

  dis.close();
  dos.close();
  bos.close();

  /** assert that two objects are different but are same for equals and compareTo **/
  assertFalse(key == readKey);
  assertEquals(key, readKey);
  assertTrue(key.equals(readKey));
  assertEquals(key.hashCode(), readKey.hashCode());
  assertEquals(0, key.compareTo(key));
}
 
Example 15
Project: fitnotifications   File: Trie2.java   View source code 6 votes vote down vote up
/**
 * Serialize a trie2 Header and Index onto an OutputStream.  This is
 * common code used for  both the Trie2_16 and Trie2_32 serialize functions.
 * @param dos the stream to which the serialized Trie2 data will be written.
 * @return the number of bytes written.
 */
protected int serializeHeader(DataOutputStream dos) throws IOException {
    // Write the header.  It is already set and ready to use, having been
    //  created when the Trie2 was unserialized or when it was frozen.
    int  bytesWritten = 0;

    dos.writeInt(header.signature);
    dos.writeShort(header.options);
    dos.writeShort(header.indexLength);
    dos.writeShort(header.shiftedDataLength);
    dos.writeShort(header.index2NullOffset);
    dos.writeShort(header.dataNullOffset);
    dos.writeShort(header.shiftedHighStart);
    bytesWritten += 16;

    // Write the index
    int i;
    for (i=0; i< header.indexLength; i++) {
        dos.writeChar(index[i]);
    }
    bytesWritten += header.indexLength;
    return bytesWritten;
}
 
Example 16
Project: monarch   File: DataSerializableJUnitTest.java   View source code 6 votes vote down vote up
/**
 * Tests data serializing an {@link HashMap}
 */
@Test
public void testHashMap() throws Exception {
  Random random = getRandom();
  HashMap map = new HashMap();
  int size = random.nextInt(50);
  for (int i = 0; i < size; i++) {
    Object key = new Long(random.nextLong());
    Object value = String.valueOf(random.nextLong());
    map.put(key, value);
  }

  DataOutputStream out = getDataOutput();
  DataSerializer.writeHashMap(map, out);
  out.flush();

  DataInput in = getDataInput();
  HashMap map2 = DataSerializer.readHashMap(in);
  assertEquals(map, map2);
}
 
Example 17
Project: privacyidea-authenticator   File: PRNGFixes.java   View source code 6 votes vote down vote up
/**
 * 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 18
Project: pooled-jms   File: MockJMSBytesMessage.java   View source code 5 votes vote down vote up
private void initializeWriting() throws JMSException {
    checkReadOnlyBody();
    if (this.dataOut == null) {
        this.content = null;
        this.output = new ByteArrayOutputStream();
        this.dataOut = new DataOutputStream(output);
    }
}
 
Example 19
Project: KraftigAudio   File: Note.java   View source code 5 votes vote down vote up
@Override
public void save(DataOutputStream out) throws IOException
{
    out.writeInt(midi);
    out.writeLong(start);
    out.writeLong(end);
}
 
Example 20
Project: fuck_zookeeper   File: WatchLeakTest.java   View source code 5 votes vote down vote up
/**
 * Forge an validate session packet as a LEARNER do
 * 
 * @return
 * @throws Exception
 */
private QuorumPacket createValidateSessionQuorumPacket() throws Exception {
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    DataOutputStream dos = new DataOutputStream(baos);
    dos.writeLong(SESSION_ID);
    dos.writeInt(3000);
    dos.close();
    QuorumPacket qp = new QuorumPacket(Leader.REVALIDATE, -1,
            baos.toByteArray(), null);
    if (LOG.isTraceEnabled()) {
        ZooTrace.logTraceMessage(LOG, ZooTrace.SESSION_TRACE_MASK,
                "To validate session 0x" + Long.toHexString(2L));
    }
    return qp;
}
 
Example 21
Project: hanlpStudy   File: CRFModel.java   View source code 5 votes vote down vote up
@Override
public void save(DataOutputStream out) throws Exception
{
    out.writeInt(id2tag.length);
    for (String tag : id2tag)
    {
        out.writeUTF(tag);
    }
    FeatureFunction[] valueArray = featureFunctionTrie.getValueArray(new FeatureFunction[0]);
    out.writeInt(valueArray.length);
    for (FeatureFunction featureFunction : valueArray)
    {
        featureFunction.save(out);
    }
    featureFunctionTrie.save(out);
    out.writeInt(featureTemplateList.size());
    for (FeatureTemplate featureTemplate : featureTemplateList)
    {
        featureTemplate.save(out);
    }
    if (matrix != null)
    {
        out.writeInt(matrix.length);
        for (double[] line : matrix)
        {
            for (double v : line)
            {
                out.writeDouble(v);
            }
        }
    }
    else
    {
        out.writeInt(0);
    }
}
 
Example 22
Project: Leveled-Storage   File: FireworkEffectMetaStorage.java   View source code 5 votes vote down vote up
@Override
public void write(DataOutputStream output) throws IOException {
    super.write(output);
    
    output.writeBoolean(getValue().hasEffect());
    if(getValue().hasEffect()) {
        FireworkEffectStorage storage = new FireworkEffectStorage(getValue().getEffect());
        storage.write(output);
    }
}
 
Example 23
Project: hadoop   File: BackupStore.java   View source code 5 votes vote down vote up
/** For writing the first key and value bytes directly from the
 *  value iterators, pass the current underlying output stream
 *  @param length The length of the impending write
 */
public DataOutputStream getOutputStream(int length) throws IOException {
  if (memCache.reserveSpace(length)) {
    return memCache.dataOut;
  } else {
    fileCache.activate();
    return fileCache.writer.getOutputStream();
  }
}
 
Example 24
Project: monarch   File: DataSerializableJUnitTest.java   View source code 5 votes vote down vote up
/**
 * Tests data serializing a {@link File} using {@link DataSerializer#writeObject}.
 */
@Test
public void testFileObject() throws Exception {
  File file = new File(System.getProperty("user.dir"));

  DataOutputStream out = getDataOutput();
  DataSerializer.writeObject(file, out);
  out.flush();

  DataInput in = getDataInput();
  File file2 = (File) DataSerializer.readObject(in);
  assertEquals(file, file2);
}
 
Example 25
Project: hadoop   File: FSEditLogOp.java   View source code 5 votes vote down vote up
@Override
public void writeFields(DataOutputStream out) throws IOException {
  XAttrEditLogProto.Builder b = XAttrEditLogProto.newBuilder();
  if (src != null) {
    b.setSrc(src);
  }
  b.addAllXAttrs(PBHelper.convertXAttrProto(xAttrs));
  b.build().writeDelimitedTo(out);
  // clientId and callId
  writeRpcIds(rpcClientId, rpcCallId, out);
}
 
Example 26
Project: javaide   File: JKS.java   View source code 5 votes vote down vote up
private static void writeCert(DataOutputStream dout, Certificate cert)
    throws IOException, CertificateException
{
    dout.writeUTF(cert.getType());
    byte[] b = cert.getEncoded();
    dout.writeInt(b.length);
    dout.write(b);
}
 
Example 27
Project: hadoop   File: TestIndexCache.java   View source code 5 votes vote down vote up
public void testBadIndex() throws Exception {
  final int parts = 30;
  fs.delete(p, true);
  conf.setInt(TTConfig.TT_INDEX_CACHE, 1);
  IndexCache cache = new IndexCache(conf);

  Path f = new Path(p, "badindex");
  FSDataOutputStream out = fs.create(f, false);
  CheckedOutputStream iout = new CheckedOutputStream(out, new CRC32());
  DataOutputStream dout = new DataOutputStream(iout);
  for (int i = 0; i < parts; ++i) {
    for (int j = 0; j < MapTask.MAP_OUTPUT_INDEX_RECORD_LENGTH / 8; ++j) {
      if (0 == (i % 3)) {
        dout.writeLong(i);
      } else {
        out.writeLong(i);
      }
    }
  }
  out.writeLong(iout.getChecksum().getValue());
  dout.close();
  try {
    cache.getIndexInformation("badindex", 7, f,
      UserGroupInformation.getCurrentUser().getShortUserName());
    fail("Did not detect bad checksum");
  } catch (IOException e) {
    if (!(e.getCause() instanceof ChecksumException)) {
      throw e;
    }
  }
}
 
Example 28
Project: BiglyBT   File: VersionCheckClientUDPRequest.java   View source code 5 votes vote down vote up
@Override
public void
serialise(
	DataOutputStream	os )

	throws IOException
{
	super.serialise(os);

	byte[]	bytes = BEncoder.encode( payload );

	os.writeShort( (short)bytes.length );

	os.write( bytes );
}
 
Example 29
Project: hadoop-oss   File: TestTruncatedInputBug.java   View source code 5 votes vote down vote up
private void writeFile(FileSystem fileSys, 
                       Path name, int nBytesToWrite) 
  throws IOException {
  DataOutputStream out = fileSys.create(name);
  for (int i = 0; i < nBytesToWrite; ++i) {
    out.writeByte(0);
  }
  out.close();
}
 
Example 30
Project: openjdk-jdk10   File: ArrayElementValue.java   View source code 5 votes vote down vote up
@Override
public void dump(final DataOutputStream dos) throws IOException
{
    dos.writeByte(super.getType()); // u1 type of value (ARRAY == '[')
    dos.writeShort(evalues.length);
    for (final ElementValue evalue : evalues) {
        evalue.dump(dos);
    }
}
 
Example 31
Project: hadoop   File: TestStreamFile.java   View source code 5 votes vote down vote up
static Path writeFile(FileSystem fs, Path f) throws IOException {
  DataOutputStream out = fs.create(f);
  try {
    out.writeBytes("test");
  } finally {
    out.close();
  }
  assertTrue(fs.exists(f));
  return f;
}
 
Example 32
Project: ditb   File: HFileDataBlockEncoderImpl.java   View source code 5 votes vote down vote up
@Override
public void startBlockEncoding(HFileBlockEncodingContext encodingCtx, DataOutputStream out)
    throws IOException {
  if (this.encoding != null && this.encoding != DataBlockEncoding.NONE) {
    this.encoding.getEncoder().startBlockEncoding(encodingCtx, out);
  }
}
 
Example 33
Project: bStats-Metrics   File: MetricsLite.java   View source code 5 votes vote down vote up
/**
 * Sends the data to the bStats server.
 *
 * @param data The data to send.
 * @throws Exception If the request failed.
 */
private static void sendData(JsonObject data) throws Exception {
    if (data == null) {
        throw new IllegalArgumentException("Data cannot be null");
    }

    HttpsURLConnection connection = (HttpsURLConnection) new URL(URL).openConnection();

    // Compress the data to save bandwidth
    byte[] compressedData = compress(data.toString());

    // Add headers
    connection.setRequestMethod("POST");
    connection.addRequestProperty("Accept", "application/json");
    connection.addRequestProperty("Connection", "close");
    connection.addRequestProperty("Content-Encoding", "gzip"); // We gzip our request
    connection.addRequestProperty("Content-Length", String.valueOf(compressedData.length));
    connection.setRequestProperty("Content-Type", "application/json"); // We send our data in JSON format
    connection.setRequestProperty("User-Agent", "MC-Server/" + B_STATS_VERSION);

    // Send data
    connection.setDoOutput(true);
    DataOutputStream outputStream = new DataOutputStream(connection.getOutputStream());
    outputStream.write(compressedData);
    outputStream.flush();
    outputStream.close();

    connection.getInputStream().close(); // We don't care about the response - Just send our data :)
}
 
Example 34
Project: echo   File: ResourceDirectory.java   View source code 5 votes vote down vote up
private void sendPost(String urlParameters, String UUID) throws Exception {

		String query = DATAFLOW_POST + UUID;
		URL obj = new URI(PROTOCOL, null, HOST, PORT, PATH, query, null).toURL();
		HttpURLConnection con = (HttpURLConnection) obj.openConnection();

		//add reuqest header
		con.setRequestMethod("POST");
		con.setRequestProperty("User-Agent", USER_AGENT);
		con.setRequestProperty("Content-Type", "text/plain");
		con.setRequestProperty("Accept-Language", "en-US,en;q=0.5");
		//String urlParameters = "{\"intersection\": [{\"query\": \"?val=test\"},{\"query\": \"?val=87230\"}]}";
		//String urlParameters = "{\"item-metadata\": [{\"val\": \"CPUUtil\",\"rel\": \"urn:X-hypercat:rels:hasDescription:en\"},{\"val\": \"200\",\"rel\": \"CPUUtil\"}],\"href\": \"/device/cpu/1\"}";
		// Send post request
		con.setDoOutput(true);
		DataOutputStream wr = new DataOutputStream(con.getOutputStream());
		wr.writeBytes(urlParameters);
		System.out.println(urlParameters);
		wr.flush();
		wr.close();

		int responseCode = con.getResponseCode();
		System.out.println("\nSending 'POST' request to URL : " + obj.toString());
		System.out.println("Post parameters : " + urlParameters);
		System.out.println("Response Code : " + responseCode);

		BufferedReader in = new BufferedReader(
		        new InputStreamReader(con.getInputStream()));
		String inputLine;
		StringBuffer response = new StringBuffer();

		while ((inputLine = in.readLine()) != null) {
			response.append(inputLine);
		}
		in.close();
		//print result
		System.out.println(response.toString());

	}
 
Example 35
Project: hadoop   File: ZKDelegationTokenSecretManager.java   View source code 5 votes vote down vote up
private void addOrUpdateToken(TokenIdent ident,
    DelegationTokenInformation info, boolean isUpdate) throws Exception {
  String nodeCreatePath =
      getNodePath(ZK_DTSM_TOKENS_ROOT, DELEGATION_TOKEN_PREFIX
          + ident.getSequenceNumber());
  ByteArrayOutputStream tokenOs = new ByteArrayOutputStream();
  DataOutputStream tokenOut = new DataOutputStream(tokenOs);
  ByteArrayOutputStream seqOs = new ByteArrayOutputStream();

  try {
    ident.write(tokenOut);
    tokenOut.writeLong(info.getRenewDate());
    tokenOut.writeInt(info.getPassword().length);
    tokenOut.write(info.getPassword());
    if (LOG.isDebugEnabled()) {
      LOG.debug((isUpdate ? "Updating " : "Storing ")
          + "ZKDTSMDelegationToken_" +
          ident.getSequenceNumber());
    }
    if (isUpdate) {
      zkClient.setData().forPath(nodeCreatePath, tokenOs.toByteArray())
          .setVersion(-1);
    } else {
      zkClient.create().withMode(CreateMode.PERSISTENT)
          .forPath(nodeCreatePath, tokenOs.toByteArray());
    }
  } finally {
    seqOs.close();
  }
}
 
Example 36
Project: monarch   File: DataTypeJUnitTest.java   View source code 5 votes vote down vote up
@Test
public void testCharArray() throws IOException {
  char[] value = new char[1];
  ByteArrayOutputStream baos = new ByteArrayOutputStream();
  DataOutputStream out = new DataOutputStream(baos);
  DataSerializer.writeObject(value, out);
  byte[] bytes = baos.toByteArray();
  String type = DataType.getDataType(bytes);
  assertEquals("char[]", type);
}
 
Example 37
Project: NGB-master   File: FileManager.java   View source code 5 votes vote down vote up
/**
 * Creates an index for reference file
 *
 * @param referenceId    {@code Long} represents ID of a reference in the system
 * @param chromosomeName {@code String} represents a container that provides access to major properties
 *                       and can be updated by metadata produced as the result of the current call
 */
public void makeNibIndex(final Long referenceId, final String chromosomeName) throws IOException {
    try (BlockCompressedDataInputStream streamGC = makeGCInputStream(referenceId, chromosomeName);
         DataOutputStream indexStream = makeGCIndexOutputStream(referenceId, chromosomeName)) {
        fillSimpleIndexFile(streamGC, indexStream);
    }
    try (BlockCompressedDataInputStream refStream = makeRefInputStream(referenceId, chromosomeName);
         DataOutputStream indexStream = makeRefIndexOutputStream(referenceId, chromosomeName)) {
        fillSimpleIndexFile(refStream, indexStream);
    }
}
 
Example 38
Project: openjdk-jdk10   File: TCPChannel.java   View source code 5 votes vote down vote up
/**
 * Send transport header over stream.
 */
private void writeTransportHeader(DataOutputStream out)
    throws RemoteException
{
    try {
        // write out transport header
        DataOutputStream dataOut =
            new DataOutputStream(out);
        dataOut.writeInt(TransportConstants.Magic);
        dataOut.writeShort(TransportConstants.Version);
    } catch (IOException e) {
        throw new ConnectIOException(
            "error writing JRMP transport header", e);
    }
}
 
Example 39
Project: BiglyBT   File: DHTUDPUtils.java   View source code 5 votes vote down vote up
protected static void
serialiseAltContacts(
	DataOutputStream					os,
	DHTTransportAlternativeContact[]	contacts )

	throws IOException
{
	if ( contacts == null ){

		contacts = new DHTTransportAlternativeContact[0];
	}

	serialiseLength( os, contacts.length, 64 );

	for (int i=0;i<contacts.length;i++){

		try{
			serialiseAltContact( os, contacts[i] );

		}catch( DHTTransportException e ){

			Debug.printStackTrace(e);

				// not much we can do here to recover - shouldn't fail anyways

			throw( new IOException(e.getMessage()));
		}
	}
}
 
Example 40
Project: MTG-Card-Recognizer   File: RecogList.java   View source code 5 votes vote down vote up
public void writeOut(File f) throws IOException
{
	DataOutputStream out = new DataOutputStream(new FileOutputStream(f));
	out.writeUTF(name);
	out.writeInt(sizeOfSet);
	out.writeInt(desc.size());
	for(int i=0;i<desc.size();i++)
	{
		out.writeUTF(desc.get(i).stringData);
		desc.get(i).descData.writeOut(out);
	}
	out.close();
}