java.io.ByteArrayInputStream#skip

Source File: MD5GetHandler.java From oodt with Apache License 2.0

6 votes

public byte[] retrieveChunk(String filepath, long offset, int length)
    throws ProductException {
  try {
    String hash = this.hashData(FileUtils.readFileToByteArray(new File(
        filepath)));
    byte[] retBytes = new byte[length];
    byte[] hashBytes = hash.getBytes();      
    ByteArrayInputStream is = new ByteArrayInputStream(hashBytes);
    is.skip(offset);
    is.read(retBytes, 0, length);
    return retBytes;
  } catch (IOException e) {
    LOG.log(Level.SEVERE, e.getMessage());
    throw new ProductException("Error reading bytes from file: [" + filepath
        + "] MD5: Message: " + e.getMessage());
  }
}

Source File: Manifest.java From jtransc with Apache License 2.0

6 votes

/**
 * Returns a byte[] containing all the bytes from a ByteArrayInputStream.
 * Where possible, this returns the actual array rather than a copy.
 */
private static byte[] exposeByteArrayInputStreamBytes(ByteArrayInputStream bais) {
    byte[] buffer;
    synchronized (bais) {
        byte[] buf;
        int pos;
        try {
            buf = (byte[]) BAIS_BUF.get(bais);
            pos = BAIS_POS.getInt(bais);
        } catch (IllegalAccessException iae) {
            throw new AssertionError(iae);
        }
        int available = bais.available();
        if (pos == 0 && buf.length == available) {
            buffer = buf;
        } else {
            buffer = new byte[available];
            System.arraycopy(buf, pos, buffer, 0, available);
        }
        bais.skip(available);
    }
    return buffer;
}

Source File: AttributeClass.java From openjdk-jdk9 with GNU General Public License v2.0

5 votes

/**
 * Returns array of String values.
 */
public String[] getArrayOfStringValues() {

    byte[] bufArray = (byte[])myValue;
    if (bufArray != null) {
        ByteArrayInputStream bufStream =
            new ByteArrayInputStream(bufArray);
        int available = bufStream.available();

        // total number of values is at the end of the stream
        bufStream.mark(available);
        bufStream.skip(available-1);
        int length = bufStream.read();
        bufStream.reset();

        String[] valueArray = new String[length];
        for (int i = 0; i < length; i++) {
            // read length
            int valLength = bufStream.read();
            byte[] bufBytes = new byte[valLength];
            bufStream.read(bufBytes, 0, valLength);
            try {
                valueArray[i] = new String(bufBytes, "UTF-8");
            } catch (java.io.UnsupportedEncodingException uee) {
            }
        }
        return valueArray;
    }
    return null;
}

Source File: AttributeClass.java From dragonwell8_jdk with GNU General Public License v2.0

5 votes

/**
 * Returns array of int values.
 */
public int[] getArrayOfIntValues() {

    byte[] bufArray = (byte[])myValue;
    if (bufArray != null) {

        //ArrayList valList = new ArrayList();
        ByteArrayInputStream bufStream =
            new ByteArrayInputStream(bufArray);
        int available = bufStream.available();

        // total number of values is at the end of the stream
        bufStream.mark(available);
        bufStream.skip(available-1);
        int length = bufStream.read();
        bufStream.reset();

        int[] valueArray = new int[length];
        for (int i = 0; i < length; i++) {
            // read length
            int valLength = bufStream.read();
            if (valLength != 4) {
                // invalid data
                return null;
            }

            byte[] bufBytes = new byte[valLength];
            bufStream.read(bufBytes, 0, valLength);
            valueArray[i] = convertToInt(bufBytes);

        }
        return valueArray;
    }
    return null;
}

Source File: AttributeClass.java From dragonwell8_jdk with GNU General Public License v2.0

5 votes

/**
 * Returns array of String values.
 */
public String[] getArrayOfStringValues() {

    byte[] bufArray = (byte[])myValue;
    if (bufArray != null) {
        ByteArrayInputStream bufStream =
            new ByteArrayInputStream(bufArray);
        int available = bufStream.available();

        // total number of values is at the end of the stream
        bufStream.mark(available);
        bufStream.skip(available-1);
        int length = bufStream.read();
        bufStream.reset();

        String[] valueArray = new String[length];
        for (int i = 0; i < length; i++) {
            // read length
            int valLength = bufStream.read();
            byte[] bufBytes = new byte[valLength];
            bufStream.read(bufBytes, 0, valLength);
            try {
                valueArray[i] = new String(bufBytes, "UTF-8");
            } catch (java.io.UnsupportedEncodingException uee) {
            }
        }
        return valueArray;
    }
    return null;
}

Source File: AttributeClass.java From TencentKona-8 with GNU General Public License v2.0

5 votes

/**
 * Returns array of int values.
 */
public int[] getArrayOfIntValues() {

    byte[] bufArray = (byte[])myValue;
    if (bufArray != null) {

        //ArrayList valList = new ArrayList();
        ByteArrayInputStream bufStream =
            new ByteArrayInputStream(bufArray);
        int available = bufStream.available();

        // total number of values is at the end of the stream
        bufStream.mark(available);
        bufStream.skip(available-1);
        int length = bufStream.read();
        bufStream.reset();

        int[] valueArray = new int[length];
        for (int i = 0; i < length; i++) {
            // read length
            int valLength = bufStream.read();
            if (valLength != 4) {
                // invalid data
                return null;
            }

            byte[] bufBytes = new byte[valLength];
            bufStream.read(bufBytes, 0, valLength);
            valueArray[i] = convertToInt(bufBytes);

        }
        return valueArray;
    }
    return null;
}

Source File: AttributeClass.java From jdk8u_jdk with GNU General Public License v2.0

5 votes

/**
 * Returns array of int values.
 */
public int[] getArrayOfIntValues() {

    byte[] bufArray = (byte[])myValue;
    if (bufArray != null) {

        //ArrayList valList = new ArrayList();
        ByteArrayInputStream bufStream =
            new ByteArrayInputStream(bufArray);
        int available = bufStream.available();

        // total number of values is at the end of the stream
        bufStream.mark(available);
        bufStream.skip(available-1);
        int length = bufStream.read();
        bufStream.reset();

        int[] valueArray = new int[length];
        for (int i = 0; i < length; i++) {
            // read length
            int valLength = bufStream.read();
            if (valLength != 4) {
                // invalid data
                return null;
            }

            byte[] bufBytes = new byte[valLength];
            bufStream.read(bufBytes, 0, valLength);
            valueArray[i] = convertToInt(bufBytes);

        }
        return valueArray;
    }
    return null;
}

Source File: AttributeClass.java From jdk8u-dev-jdk with GNU General Public License v2.0

5 votes

/**
 * Returns array of int values.
 */
public int[] getArrayOfIntValues() {

    byte[] bufArray = (byte[])myValue;
    if (bufArray != null) {

        //ArrayList valList = new ArrayList();
        ByteArrayInputStream bufStream =
            new ByteArrayInputStream(bufArray);
        int available = bufStream.available();

        // total number of values is at the end of the stream
        bufStream.mark(available);
        bufStream.skip(available-1);
        int length = bufStream.read();
        bufStream.reset();

        int[] valueArray = new int[length];
        for (int i = 0; i < length; i++) {
            // read length
            int valLength = bufStream.read();
            if (valLength != 4) {
                // invalid data
                return null;
            }

            byte[] bufBytes = new byte[valLength];
            bufStream.read(bufBytes, 0, valLength);
            valueArray[i] = convertToInt(bufBytes);

        }
        return valueArray;
    }
    return null;
}

Source File: AttributeClass.java From openjdk-8 with GNU General Public License v2.0

5 votes

/**
 * Returns array of int values.
 */
public int[] getArrayOfIntValues() {

    byte[] bufArray = (byte[])myValue;
    if (bufArray != null) {

        //ArrayList valList = new ArrayList();
        ByteArrayInputStream bufStream =
            new ByteArrayInputStream(bufArray);
        int available = bufStream.available();

        // total number of values is at the end of the stream
        bufStream.mark(available);
        bufStream.skip(available-1);
        int length = bufStream.read();
        bufStream.reset();

        int[] valueArray = new int[length];
        for (int i = 0; i < length; i++) {
            // read length
            int valLength = bufStream.read();
            if (valLength != 4) {
                // invalid data
                return null;
            }

            byte[] bufBytes = new byte[valLength];
            bufStream.read(bufBytes, 0, valLength);
            valueArray[i] = convertToInt(bufBytes);

        }
        return valueArray;
    }
    return null;
}

Source File: AttributeClass.java From openjdk-8 with GNU General Public License v2.0

5 votes

/**
 * Returns array of String values.
 */
public String[] getArrayOfStringValues() {

    byte[] bufArray = (byte[])myValue;
    if (bufArray != null) {
        ByteArrayInputStream bufStream =
            new ByteArrayInputStream(bufArray);
        int available = bufStream.available();

        // total number of values is at the end of the stream
        bufStream.mark(available);
        bufStream.skip(available-1);
        int length = bufStream.read();
        bufStream.reset();

        String[] valueArray = new String[length];
        for (int i = 0; i < length; i++) {
            // read length
            int valLength = bufStream.read();
            byte[] bufBytes = new byte[valLength];
            bufStream.read(bufBytes, 0, valLength);
            try {
                valueArray[i] = new String(bufBytes, "UTF-8");
            } catch (java.io.UnsupportedEncodingException uee) {
            }
        }
        return valueArray;
    }
    return null;
}

Source File: AttributeClass.java From hottub with GNU General Public License v2.0

5 votes

/**
 * Returns array of String values.
 */
public String[] getArrayOfStringValues() {

    byte[] bufArray = (byte[])myValue;
    if (bufArray != null) {
        ByteArrayInputStream bufStream =
            new ByteArrayInputStream(bufArray);
        int available = bufStream.available();

        // total number of values is at the end of the stream
        bufStream.mark(available);
        bufStream.skip(available-1);
        int length = bufStream.read();
        bufStream.reset();

        String[] valueArray = new String[length];
        for (int i = 0; i < length; i++) {
            // read length
            int valLength = bufStream.read();
            byte[] bufBytes = new byte[valLength];
            bufStream.read(bufBytes, 0, valLength);
            try {
                valueArray[i] = new String(bufBytes, "UTF-8");
            } catch (java.io.UnsupportedEncodingException uee) {
            }
        }
        return valueArray;
    }
    return null;
}

Source File: ByteArraySource.java From AndriodVideoCache with Apache License 2.0

4 votes

@Override
public void open(long offset) throws ProxyCacheException {
    arrayInputStream = new ByteArrayInputStream(data);
    arrayInputStream.skip(offset);
}

Source File: ThriftCodecTest.java From dubbox-hystrix with Apache License 2.0

4 votes

@Test
public void testEncodeReplyResponse() throws Exception {

    URL url = URL.valueOf( ThriftProtocol.NAME + "://127.0.0.1:40880/" + Demo.Iface.class.getName() );

    Channel channel = new MockedChannel( url );

    Request request = createRequest();

    RpcResult rpcResult = new RpcResult();
    rpcResult.setResult( "Hello, World!" );

    Response response = new Response();
    response.setResult( rpcResult );
    response.setId( request.getId() );
    ChannelBuffer bos = ChannelBuffers.dynamicBuffer(1024);

    ThriftCodec.RequestData rd = ThriftCodec.RequestData.create(
            ThriftCodec.getSeqId(), Demo.Iface.class.getName(), "echoString" );
    ThriftCodec.cachedRequest.putIfAbsent( request.getId(), rd );
    codec.encode( channel, bos, response );

    byte[] buf = new byte[bos.writerIndex() - 4];
    System.arraycopy( bos.array(), 4, buf, 0, bos.writerIndex() - 4 );

    ByteArrayInputStream bis = new ByteArrayInputStream( buf );

    if ( bis.markSupported() ) {
        bis.mark( 0 );
    }

    TIOStreamTransport transport = new TIOStreamTransport( bis );
    TBinaryProtocol protocol = new TBinaryProtocol( transport );

    Assert.assertEquals( ThriftCodec.MAGIC, protocol.readI16() );
    Assert.assertEquals( protocol.readI32() + 4, bos.writerIndex() );
    int headerLength = protocol.readI16();

    Assert.assertEquals( ThriftCodec.VERSION, protocol.readByte() );
    Assert.assertEquals( Demo.Iface.class.getName(), protocol.readString() );
    Assert.assertEquals( request.getId(), protocol.readI64() );

    if ( bis.markSupported() ) {
        bis.reset();
        bis.skip( headerLength );
    }

    TMessage message = protocol.readMessageBegin();
    Assert.assertEquals( "echoString", message.name );
    Assert.assertEquals( TMessageType.REPLY, message.type );
    Assert.assertEquals( ThriftCodec.getSeqId(), message.seqid );
    Demo.echoString_result result = new Demo.echoString_result();
    result.read( protocol );
    protocol.readMessageEnd();

    Assert.assertEquals( rpcResult.getValue(), result.getSuccess() );
}

Source File: ByteArraySource.java From HaoReader with GNU General Public License v3.0

4 votes

@Override
public void open(long offset) throws ProxyCacheException {
    arrayInputStream = new ByteArrayInputStream(data);
    arrayInputStream.skip(offset);
}

Source File: ByteArraySource.java From GSYVideoPlayer with Apache License 2.0

4 votes

@Override
public void open(long offset) throws ProxyCacheException {
    arrayInputStream = new ByteArrayInputStream(data);
    arrayInputStream.skip(offset);
}

Source File: StreamElementDeserializer.java From gsn with GNU General Public License v3.0

4 votes

public StreamElement deserialize(String vsensor, byte[] input){
	ByteArrayInputStream bais = new ByteArrayInputStream(input);
	bais.skip(vsensor.getBytes().length + 2);
	return kryo.readObjectOrNull(new Input(bais),StreamElement.class);
}

Source File: MessageFactory.java From marauroa with GNU General Public License v2.0

4 votes

/**
 * Returns a object of the right class from a stream of serialized data.
 *
 * @param data
 *            the serialized data
 * @param offset
 *            where to start reading in the data-array.
 * @return a message of the right class
 * @throws IOException
 *             in case of problems with the message
 * @throws InvalidVersionException
 *             if the message version doesn't match
 */
public Message getMessage(byte[] data, int offset) throws IOException,
        InvalidVersionException {
	/*
	 * Check the version of the network protocol.
	 */
	int networkProtocolVersion = data[offset];
	if (networkProtocolVersion < NetConst.NETWORK_PROTOCOL_VERSION_MIN
			|| networkProtocolVersion > NetConst.NETWORK_PROTOCOL_VERSION_MAX) {
		logger.error("Message has incorrect protocol version (" + networkProtocolVersion + ") expected (" + NetConst.NETWORK_PROTOCOL_VERSION_MIN + " < x < " + NetConst.NETWORK_PROTOCOL_VERSION_MAX + ")");
		logger.error("Message is: " + Utility.dumpByteArray(data));
		throw new InvalidVersionException(data[offset]);
	}


	int messageTypeIndex = data[offset + 1];
	/*
	 * Now we check if we have this message class implemented.
	 */
	if (factoryArray.containsKey(messageTypeIndex)) {
		Message tmp = null;
		try {
			Class<?> messageType = factoryArray.get(messageTypeIndex);
			tmp = (Message) messageType.newInstance();
			tmp.setProtocolVersion(networkProtocolVersion);
			ByteArrayInputStream in = new ByteArrayInputStream(data);
			if (offset > 0) {
				in.skip(offset);
			}
			InputSerializer s = new InputSerializer(in);
			s.setProtocolVersion(networkProtocolVersion);

			tmp.readObject(s);
			s.close();
			return tmp;
		} catch (Exception e) {
			logger.error("error in getMessage", e);
			throw new IOException(e.getMessage());
		}
	} else {
		logger.warn("Message type [" + messageTypeIndex + "] is not registered in the MessageFactory");
		throw new IOException("Message type [" + messageTypeIndex + "] is not registered in the MessageFactory");
	}
}

Source File: ThriftCodecTest.java From dubbo-2.6.5 with Apache License 2.0

4 votes

@Test
public void testEncodeExceptionResponse() throws Exception {

    URL url = URL.valueOf(ThriftProtocol.NAME + "://127.0.0.1:40880/" + Demo.Iface.class.getName());

    Channel channel = new MockedChannel(url);

    Request request = createRequest();

    RpcResult rpcResult = new RpcResult();
    String exceptionMessage = "failed";
    rpcResult.setException(new RuntimeException(exceptionMessage));

    Response response = new Response();
    response.setResult(rpcResult);
    response.setId(request.getId());
    ChannelBuffer bos = ChannelBuffers.dynamicBuffer(1024);

    ThriftCodec.RequestData rd = ThriftCodec.RequestData.create(
            ThriftCodec.getSeqId(), Demo.Iface.class.getName(), "echoString");
    ThriftCodec.cachedRequest.put(request.getId(), rd);
    codec.encode(channel, bos, response);

    byte[] buf = new byte[bos.writerIndex() - 4];
    System.arraycopy(bos.array(), 4, buf, 0, bos.writerIndex() - 4);
    ByteArrayInputStream bis = new ByteArrayInputStream(buf);

    if (bis.markSupported()) {
        bis.mark(0);
    }

    TIOStreamTransport transport = new TIOStreamTransport(bis);
    TBinaryProtocol protocol = new TBinaryProtocol(transport);

    Assert.assertEquals(ThriftCodec.MAGIC, protocol.readI16());
    Assert.assertEquals(protocol.readI32() + 4, bos.writerIndex());
    int headerLength = protocol.readI16();

    Assert.assertEquals(ThriftCodec.VERSION, protocol.readByte());
    Assert.assertEquals(Demo.Iface.class.getName(), protocol.readString());
    Assert.assertEquals(request.getId(), protocol.readI64());

    if (bis.markSupported()) {
        bis.reset();
        bis.skip(headerLength);
    }

    TMessage message = protocol.readMessageBegin();
    Assert.assertEquals("echoString", message.name);
    Assert.assertEquals(TMessageType.EXCEPTION, message.type);
    Assert.assertEquals(ThriftCodec.getSeqId(), message.seqid);
    TApplicationException exception = TApplicationException.read(protocol);
    protocol.readMessageEnd();

    Assert.assertEquals(exceptionMessage, exception.getMessage());

}

Source File: ThriftCodecTest.java From dubbo-2.6.5 with Apache License 2.0

2 votes

@Test
public void testEncodeRequest() throws Exception {

    Request request = createRequest();

    ChannelBuffer output = ChannelBuffers.dynamicBuffer(1024);

    codec.encode(channel, output, request);

    byte[] bytes = new byte[output.readableBytes()];
    output.readBytes(bytes);

    ByteArrayInputStream bis = new ByteArrayInputStream(bytes);

    TTransport transport = new TIOStreamTransport(bis);

    TBinaryProtocol protocol = new TBinaryProtocol(transport);

    // frame
    byte[] length = new byte[4];
    transport.read(length, 0, 4);

    if (bis.markSupported()) {
        bis.mark(0);
    }

    // magic
    Assert.assertEquals(ThriftCodec.MAGIC, protocol.readI16());

    // message length
    int messageLength = protocol.readI32();
    Assert.assertEquals(messageLength + 4, bytes.length);

    // header length
    short headerLength = protocol.readI16();
    // version
    Assert.assertEquals(ThriftCodec.VERSION, protocol.readByte());
    // service name
    Assert.assertEquals(Demo.Iface.class.getName(), protocol.readString());
    // dubbo request id
    Assert.assertEquals(request.getId(), protocol.readI64());

    // test message header length
    if (bis.markSupported()) {
        bis.reset();
        bis.skip(headerLength);
    }

    TMessage message = protocol.readMessageBegin();

    Demo.echoString_args args = new Demo.echoString_args();

    args.read(protocol);

    protocol.readMessageEnd();

    Assert.assertEquals("echoString", message.name);

    Assert.assertEquals(TMessageType.CALL, message.type);

    Assert.assertEquals("Hello, World!", args.getArg());

}

Source File: ThriftCodecTest.java From dubbox with Apache License 2.0

2 votes

@Test
public void testEncodeRequest() throws Exception {

    Request request = createRequest();

    ChannelBuffer output = ChannelBuffers.dynamicBuffer(1024);

    codec.encode( channel, output, request );

    byte[] bytes = new byte[output.readableBytes()];
    output.readBytes(bytes);

    ByteArrayInputStream bis = new ByteArrayInputStream( bytes );

    TTransport transport = new TIOStreamTransport( bis );

    TBinaryProtocol protocol = new TBinaryProtocol( transport );

    // frame
    byte[] length = new byte[4];
    transport.read( length, 0, 4 );

    if ( bis.markSupported() ) {
        bis.mark( 0 );
    }

    // magic
    Assert.assertEquals( ThriftCodec.MAGIC, protocol.readI16() );

    // message length
    int messageLength = protocol.readI32();
    Assert.assertEquals( messageLength + 4, bytes.length );

    // header length
    short headerLength = protocol.readI16();
    // version
    Assert.assertEquals( ThriftCodec.VERSION, protocol.readByte() );
    // service name
    Assert.assertEquals( Demo.Iface.class.getName(), protocol.readString() );
    // dubbo request id
    Assert.assertEquals( request.getId(), protocol.readI64() );

    // test message header length
    if ( bis.markSupported() ) {
        bis.reset();
        bis.skip( headerLength );
    }

    TMessage message = protocol.readMessageBegin();

    Demo.echoString_args args = new Demo.echoString_args();

    args.read( protocol );

    protocol.readMessageEnd();

    Assert.assertEquals( "echoString", message.name );

    Assert.assertEquals( TMessageType.CALL, message.type );

    Assert.assertEquals( "Hello, World!", args.getArg() );

}

Java Code Examples for java.io.ByteArrayInputStream#skip()