Java Code Examples for java.io.DataInputStream#read()
The following examples show how to use
java.io.DataInputStream#read() .
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Example 1
Source File: LinfootUpdater.java From CratesPlus with GNU General Public License v3.0 | 6 votes |
public String doCurl(String urlString) throws IOException { URL url = new URL(urlString); HttpURLConnection con = (HttpURLConnection) url.openConnection(); con.setRequestMethod("POST"); con.setInstanceFollowRedirects(true); con.setDoOutput(true); con.setDoInput(true); DataOutputStream output = new DataOutputStream(con.getOutputStream()); output.close(); DataInputStream input = new DataInputStream(con.getInputStream()); int c; StringBuilder resultBuf = new StringBuilder(); while ((c = input.read()) != -1) { resultBuf.append((char) c); } input.close(); return resultBuf.toString(); }
Example 2
Source File: NetworkAdminNATUDPRequest.java From BiglyBT with GNU General Public License v2.0 | 6 votes |
protected NetworkAdminNATUDPRequest( DataInputStream is, long connection_id , int trans_id ) throws IOException { super( NetworkAdminNATUDPCodecs.ACT_NAT_REQUEST, connection_id, trans_id ); short len = is.readShort(); if ( len <= 0 ){ throw( new IOException( "invalid length" )); } byte[] bytes = new byte[len]; is.read( bytes ); payload = BDecoder.decode( bytes ); }
Example 3
Source File: TestMapReduce.java From hadoop with Apache License 2.0 | 5 votes |
private static boolean isSequenceFile(FileSystem fs, Path f) throws IOException { DataInputStream in = fs.open(f); try { byte[] seq = "SEQ".getBytes(); for (int i = 0; i < seq.length; ++i) { if (seq[i] != in.read()) { return false; } } } finally { in.close(); } return true; }
Example 4
Source File: thinker_t.java From mochadoom with GNU General Public License v3.0 | 5 votes |
@Override public void read(DataInputStream f) throws IOException { readbuffer.position(0); readbuffer.order(ByteOrder.LITTLE_ENDIAN); f.read(readbuffer.array()); unpack(readbuffer); }
Example 5
Source File: GCMCryptoService.java From ambry with Apache License 2.0 | 5 votes |
/** * Deserialize key from the stream in {@link KeyRecord_Format_V1} * @param dataStream the {@link DataInputStream} from which key needs to be deserialized * @return the deserialized key in the form of {@link DeserializedKey} * @throws IOException * @throws MessageFormatException */ private static DeserializedKey deserializeKeyRecord(DataInputStream dataStream) throws IOException, MessageFormatException { int keySize = dataStream.readInt(); byte[] encodedKey = new byte[keySize]; dataStream.read(encodedKey); String keyAlgo = Utils.readIntString(dataStream); return new DeserializedKey(encodedKey, keyAlgo); }
Example 6
Source File: ReportDocumentReader.java From birt with Eclipse Public License 1.0 | 5 votes |
private void loadCoreStreamBodyToBuffer( DataInputStream stream ) throws IOException { byte[] datas = new byte[1024]; int length = -1; ByteArrayOutputStream byteOut = new ByteArrayOutputStream( ); while ( ( length = stream.read( datas ) ) > 0 ) { byteOut.write( datas, 0, length ); } bodyData = byteOut.toByteArray( ); }
Example 7
Source File: IndexFile.java From rtg-tools with BSD 2-Clause "Simplified" License | 5 votes |
private void loadVersion12Fields(DataInputStream indexStream, PrereadHashFunction headerHash) throws IOException { if (mVersion >= FULL_SEQUENCE_NAME_VERSION) { final int hasSuffixesByte = indexStream.read(); headerHash.irvineHash(hasSuffixesByte); mHasSuffixes = hasSuffixesByte != 0; } else { mHasSuffixes = false; } }
Example 8
Source File: SerialUtil.java From CrossBow with Apache License 2.0 | 5 votes |
public static byte[] readBytes(DataInputStream outputStream) throws IOException { //Read size, then key-values int size = outputStream.readInt(); byte[] data = new byte[size]; outputStream.read(data, 0, size); return data; }
Example 9
Source File: ClassReader.java From objenesis with Apache License 2.0 | 5 votes |
Code_attribute(DataInputStream in) throws IOException { max_stack = in.readUnsignedShort(); max_locals = in.readUnsignedShort(); code_length = in.readInt(); code = new byte[code_length]; in.read(code); exception_table_length = in.readUnsignedShort(); attributes_count = in.readUnsignedShort(); attributes = new attribute_info[attributes_count]; for (int i = 0; i < attributes_count; i++) { attributes[i] = new attribute_info(in); } }
Example 10
Source File: SerializeUtils.java From incubator-iotdb with Apache License 2.0 | 5 votes |
public static void deserialize(Node node, DataInputStream stream) throws IOException { int ipLength = stream.readInt(); byte[] ipBytes = new byte[ipLength]; int readSize = stream.read(ipBytes); if (readSize != ipLength) { throw new IOException(String.format("No sufficient bytes read when deserializing the ip of " + "a " + "node: %d/%d", readSize, ipLength)); } node.setIp(new String(ipBytes)); node.setMetaPort(stream.readInt()); node.setNodeIdentifier(stream.readInt()); node.setDataPort(stream.readInt()); }
Example 11
Source File: SshPublicKeyParser.java From credhub with Apache License 2.0 | 5 votes |
private byte[] readIntAsBytesFrom(final DataInputStream dataStream) throws IOException { final byte[] buf; final int length = dataStream.readInt(); buf = new byte[length]; // FindBugs exposed possible bug of not checking for correct output from InputStream if (dataStream.read(buf, 0, length) != length) { throw new IOException("Could not read int as bytes"); } return buf; }
Example 12
Source File: Token.java From fernet-java8 with Apache License 2.0 | 5 votes |
protected static byte[] read(final DataInputStream stream, final int numBytes) throws IOException { final byte[] retval = new byte[numBytes]; final int bytesRead = stream.read(retval); if (bytesRead < numBytes) { throw new IllegalTokenException("Not enough bits to generate a Token"); } return retval; }
Example 13
Source File: BitUtils.java From EosProxyServer with GNU Lesser General Public License v3.0 | 5 votes |
/** * Read a number of bytes or throw. * * @param size The number of bytes read * @return The array of bytes read. * @throws IOException */ public static byte[] readBytes(DataInputStream stream, int size) throws IOException { byte[] buf = new byte[size]; int toRead = size; int done = 0; while (toRead > 0) { int read = stream.read(buf, done, toRead); if (read == -1) { throw new IOException(); } done += read; toRead -= read; } return buf; }
Example 14
Source File: JStaticFile.java From openjdk-jdk8u with GNU General Public License v2.0 | 5 votes |
protected void build(OutputStream os) throws IOException { DataInputStream dis = new DataInputStream(classLoader.getResourceAsStream(resourceName)); byte[] buf = new byte[256]; int sz; while( (sz=dis.read(buf))>0 ) os.write(buf,0,sz); dis.close(); }
Example 15
Source File: ReadFunctions.java From PicasaDBReader with MIT License | 5 votes |
public final static void read26(DataInputStream din) throws IOException { for(int i=0; i<26; i++){ din.read(); } }
Example 16
Source File: DataInputStreamUtils.java From vertexium with Apache License 2.0 | 5 votes |
public static ByteSequence decodeByteSequence(DataInputStream in) throws IOException { int length = in.readInt(); if (length == -1) { return null; } if (length == 0) { return new ArrayByteSequence(new byte[0]); } byte[] data = new byte[length]; int read = in.read(data); if (read != length) { throw new IOException("Expected " + length + " bytes, found " + read + " bytes"); } return new ArrayByteSequence(data); }
Example 17
Source File: StandardLoadBalanceProtocol.java From nifi with Apache License 2.0 | 4 votes |
private ContentClaimTriple consumeContent(final DataInputStream in, final OutputStream out, final ContentClaim contentClaim, final long claimOffset, final String peerDescription, final boolean compressed) throws IOException { logger.debug("Consuming content from Peer {}", peerDescription); int dataFrameIndicator = in.read(); if (dataFrameIndicator < 0) { throw new EOFException("Encountered End-of-File when expecting to read Data Frame Indicator from Peer " + peerDescription); } if (dataFrameIndicator == NO_DATA_FRAME) { logger.debug("Peer {} indicates that there is no Data Frame for the FlowFile", peerDescription); return new ContentClaimTriple(null, 0L, 0L); } if (dataFrameIndicator == ABORT_TRANSACTION) { throw new TransactionAbortedException("Peer " + peerDescription + " requested that transaction be aborted"); } if (dataFrameIndicator != DATA_FRAME_FOLLOWS) { throw new IOException("Expected a Data Frame Indicator from Peer " + peerDescription + " but received a value of " + dataFrameIndicator); } int dataFrameLength = in.readInt(); logger.trace("Received Data Frame Length of {} for {}", dataFrameLength, peerDescription); byte[] buffer = getDataBuffer(); long claimLength = 0; while (true) { final InputStream limitedIn = new LimitedInputStream(in, dataFrameLength); final ByteCountingInputStream bcis = new ByteCountingInputStream(limitedIn); final InputStream contentIn = compressed ? new GZIPInputStream(bcis) : bcis; final int decompressedSize = StreamUtils.fillBuffer(contentIn, buffer, false); if (bcis.getBytesRead() < dataFrameLength) { throw new EOFException("Expected to receive a Data Frame of length " + dataFrameLength + " bytes but received only " + bcis.getBytesRead() + " bytes"); } out.write(buffer, 0, decompressedSize); claimLength += decompressedSize; dataFrameIndicator = in.read(); if (dataFrameIndicator < 0) { throw new EOFException("Encountered End-of-File when expecting to receive a Data Frame Indicator"); } if (dataFrameIndicator == NO_DATA_FRAME) { logger.debug("Peer {} indicated that no more data frames are available", peerDescription); break; } if (dataFrameIndicator == ABORT_TRANSACTION) { logger.debug("Peer {} requested that transaction be aborted by sending Data Frame Length of {}", peerDescription, dataFrameLength); throw new TransactionAbortedException("Peer " + peerDescription + " requested that transaction be aborted"); } if (dataFrameIndicator != DATA_FRAME_FOLLOWS) { throw new IOException("Expected a Data Frame Indicator from Peer " + peerDescription + " but received a value of " + dataFrameIndicator); } dataFrameLength = in.readInt(); logger.trace("Received Data Frame Length of {} for {}", dataFrameLength, peerDescription); } return new ContentClaimTriple(contentClaim, claimOffset, claimLength); }
Example 18
Source File: Server.java From AndroidRipper with GNU Affero General Public License v3.0 | 4 votes |
@Override public void run() { try { while (running) { Log.v("SERVER", "Ready to accept connections on port: " + PORT); socket = serverSocket.accept(); dataInputStream = new DataInputStream(socket.getInputStream()); dataOutputStream = new DataOutputStream(socket.getOutputStream()); while (running) { Log.v("", "ready"); byte[] buffer = new byte[24000]; int c = 0; int i = 0; while ((c = dataInputStream.read()) != 16 && c != -1) { // Log.v("", "read " + c); buffer[i++] = (byte) c; } // connessione caduta if (c == -1) { Log.v("SERVER", "ServerSocket on PORT " + PORT + ": offline"); notifyDisconnect(); break; } byte[] buffer_trim = new byte[i]; for (int j = 0; j < i; j++) buffer_trim[j] = buffer[j]; Map<String, String> message = MessagePacker.unpack(buffer_trim); if (message != null) { String s = message.get("type"); Log.v("RipperService", s); long seqNum = Long.parseLong(message.get("index")); if (seqNum >= curIndex) { curIndex = seqNum; this.notifyReceived(message); } } } } } catch (Exception ex) { ex.printStackTrace(); } }
Example 19
Source File: BitUtils.java From guarda-android-wallets with GNU General Public License v3.0 | 4 votes |
public static int uint32FromStream(DataInputStream stream) throws IOException { return (int) (((stream.read() & 0xFFL) << 0) | ((stream.read() & 0xFFL) << 8) | ((stream.read() & 0xFFL) << 16) | ((stream .read() & 0xFFL) << 24)); }
Example 20
Source File: ClassNameFinder.java From LearningOfThinkInJava with Apache License 2.0 | 4 votes |
public static String thisClass(byte[] classBytes) { Map<Integer,Integer> offsetTable = new HashMap<Integer,Integer>(); Map<Integer,String> classNameTable = new HashMap<Integer,String>(); try { DataInputStream data = new DataInputStream( new ByteArrayInputStream(classBytes)); int magic = data.readInt(); // 0xcafebabe int minorVersion = data.readShort(); int majorVersion = data.readShort(); int constant_pool_count = data.readShort(); int[] constant_pool = new int[constant_pool_count]; for(int i = 1; i < constant_pool_count; i++) { int tag = data.read(); int tableSize; switch(tag) { case 1: // UTF int length = data.readShort(); char[] bytes = new char[length]; for(int k = 0; k < bytes.length; k++) bytes[k] = (char)data.read(); String className = new String(bytes); classNameTable.put(i, className); break; case 5: // LONG case 6: // DOUBLE data.readLong(); // discard 8 bytes i++; // Special skip necessary break; case 7: // CLASS int offset = data.readShort(); offsetTable.put(i, offset); break; case 8: // STRING data.readShort(); // discard 2 bytes break; case 3: // INTEGER case 4: // FLOAT case 9: // FIELD_REF case 10: // METHOD_REF case 11: // INTERFACE_METHOD_REF case 12: // NAME_AND_TYPE data.readInt(); // discard 4 bytes; break; default: throw new RuntimeException("Bad tag " + tag); } } short access_flags = data.readShort(); int this_class = data.readShort(); int super_class = data.readShort(); return classNameTable.get( offsetTable.get(this_class)).replace('/', '.'); } catch(Exception e) { throw new RuntimeException(e); } }