Example usage for java.io ByteArrayInputStream read

Introduction

In this page you can find the example usage for java.io ByteArrayInputStream read.

Prototype

public synchronized int read() 

Source Link

Document

Reads the next byte of data from this input stream.

Usage

From source file:com.github.devnied.emvnfccard.utils.TlvUtil.java

public static byte[] readTagIdBytes(final ByteArrayInputStream stream) {
    ByteArrayOutputStream tagBAOS = new ByteArrayOutputStream();
    byte tagFirstOctet = (byte) stream.read();
    tagBAOS.write(tagFirstOctet);// w  w  w.j av a  2 s.  c  om

    // Find TAG bytes
    byte MASK = (byte) 0x1F;
    if ((tagFirstOctet & MASK) == MASK) { // EMV book 3, Page 178 or Annex B1 (EMV4.3)
        // Tag field is longer than 1 byte
        do {
            int nextOctet = stream.read();
            if (nextOctet < 0) {
                break;
            }
            byte tlvIdNextOctet = (byte) nextOctet;

            tagBAOS.write(tlvIdNextOctet);

            if (!BytesUtils.matchBitByBitIndex(tlvIdNextOctet, 7)
                    || BytesUtils.matchBitByBitIndex(tlvIdNextOctet, 7) && (tlvIdNextOctet & 0x7f) == 0) {
                break;
            }
        } while (true);
    }
    return tagBAOS.toByteArray();
}

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From source file:UploadUtils.UguuUpload.java

/**
 * Send the file to Uguu./*www  .  j a v  a  2 s .  c o  m*/
 * @param b the contents of the file in a byte array
 * @param conn the connection to use
 * @throws java.IOException during writing to output stream
 */
private static void sendFile(byte[] b, HttpURLConnection conn) throws IOException {
    String first = String.format(
            "Content-Type: multipart/form-data; boundary=" + boundary + "\"\r\nContent-Length: 30721\r\n");
    String second = String
            .format("Content-Disposition: form-data; name=\"MAX_FILE_SIZE\"\r\n\r\n" + "100000000\r\n");
    String data = String.format("Content-Disposition: form-data; name=\"file\";filename=\"" + filename + "."
            + extension + "\"\r\nContent-type:" + tmpfiletype + "\r\n");
    String last = String.format("Content-Disposition: form-data; name=\"name\"");
    ByteArrayInputStream bais = new ByteArrayInputStream(b);
    DataOutputStream outstream;
    try {
        outstream = new DataOutputStream(conn.getOutputStream());
        outstream.writeBytes(first);
        outstream.writeBytes("\r\n");
        outstream.writeBytes("\r\n");

        outstream.writeBytes("--" + boundary);
        outstream.writeBytes(second);
        outstream.writeBytes("--" + boundary + "\r\n");

        outstream.writeBytes(data);
        outstream.writeBytes("\r\n");

        int i;
        while ((i = bais.read()) > -1) {
            outstream.write(i);
        }
        bais.close();
        outstream.writeBytes("\r\n");
        outstream.writeBytes("--" + boundary + "\r\n");
        outstream.writeBytes(last);
        outstream.writeBytes("\r\n");
        outstream.writeBytes("\r\n");
        outstream.writeBytes("\r\n");
        outstream.writeBytes("--" + boundary + "--");
        outstream.flush();
        outstream.close();
    } catch (IOException ex) {
        throw ex;
    }
}

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From source file:com.github.devnied.emvnfccard.utils.TlvUtil.java

public static TLV getNextTLV(final ByteArrayInputStream stream) {
    if (stream.available() < 2) {
        throw new TlvException("Error parsing data. Available bytes < 2 . Length=" + stream.available());
    }//  w  ww  .  j av  a 2  s . c  o m

    // ISO/IEC 7816 uses neither '00' nor 'FF' as tag value.
    // Before, between, or after TLV-coded data objects,
    // '00' or 'FF' bytes without any meaning may occur
    // (for example, due to erased or modified TLV-coded data objects).

    stream.mark(0);
    int peekInt = stream.read();
    byte peekByte = (byte) peekInt;
    // peekInt == 0xffffffff indicates EOS
    while (peekInt != -1 && (peekByte == (byte) 0xFF || peekByte == (byte) 0x00)) {
        stream.mark(0); // Current position
        peekInt = stream.read();
        peekByte = (byte) peekInt;
    }
    stream.reset(); // Reset back to the last known position without 0x00 or 0xFF

    if (stream.available() < 2) {
        throw new TlvException("Error parsing data. Available bytes < 2 . Length=" + stream.available());
    }

    byte[] tagIdBytes = TlvUtil.readTagIdBytes(stream);

    // We need to get the raw length bytes.
    // Use quick and dirty workaround
    stream.mark(0);
    int posBefore = stream.available();
    // Now parse the lengthbyte(s)
    // This method will read all length bytes. We can then find out how many bytes was read.
    int length = TlvUtil.readTagLength(stream); // Decoded
    // Now find the raw (encoded) length bytes
    int posAfter = stream.available();
    stream.reset();
    byte[] lengthBytes = new byte[posBefore - posAfter];

    if (lengthBytes.length < 1 || lengthBytes.length > 4) {
        throw new TlvException("Number of length bytes must be from 1 to 4. Found " + lengthBytes.length);
    }

    stream.read(lengthBytes, 0, lengthBytes.length);

    int rawLength = BytesUtils.byteArrayToInt(lengthBytes);

    byte[] valueBytes;

    ITag tag = searchTagById(tagIdBytes);

    // Find VALUE bytes
    if (rawLength == 128) { // 1000 0000
        // indefinite form
        stream.mark(0);
        int prevOctet = 1;
        int curOctet;
        int len = 0;
        while (true) {
            len++;
            curOctet = stream.read();
            if (curOctet < 0) {
                throw new TlvException(
                        "Error parsing data. TLV " + "length byte indicated indefinite length, but EOS "
                                + "was reached before 0x0000 was found" + stream.available());
            }
            if (prevOctet == 0 && curOctet == 0) {
                break;
            }
            prevOctet = curOctet;
        }
        len -= 2;
        valueBytes = new byte[len];
        stream.reset();
        stream.read(valueBytes, 0, len);
        length = len;
    } else {
        if (stream.available() < length) {
            throw new TlvException("Length byte(s) indicated " + length + " value bytes, but only "
                    + stream.available() + " " + (stream.available() > 1 ? "are" : "is") + " available");
        }
        // definite form
        valueBytes = new byte[length];
        stream.read(valueBytes, 0, length);
    }

    // Remove any trailing 0x00 and 0xFF
    stream.mark(0);
    peekInt = stream.read();
    peekByte = (byte) peekInt;
    while (peekInt != -1 && (peekByte == (byte) 0xFF || peekByte == (byte) 0x00)) {
        stream.mark(0);
        peekInt = stream.read();
        peekByte = (byte) peekInt;
    }
    stream.reset(); // Reset back to the last known position without 0x00 or 0xFF

    return new TLV(tag, length, lengthBytes, valueBytes);
}

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From source file:org.commonjava.util.partyline.BinaryFileTest.java

@Test
public void shouldReadBinaryFile() throws IOException, InterruptedException {
    List<String> failures = new ArrayList<>();

    File binaryFile = temp.newFile("binary-file.bin");
    ReentrantLock lock = new ReentrantLock();
    JoinableFile jf = new JoinableFile(binaryFile,
            new LockOwner(binaryFile.getAbsolutePath(), name.getMethodName(), LockLevel.write), true);
    OutputStream jos = jf.getOutputStream();
    InputStream actual = jf.joinStream();

    ByteArrayOutputStream written = new ByteArrayOutputStream();
    writeBinaryFile(jos, written);//www. java2 s . com

    int pos = 0;
    int exp, act;

    ByteArrayInputStream expected = new ByteArrayInputStream(written.toByteArray());
    while ((exp = expected.read()) != -1) {
        act = actual.read();
        pos++;

        if (act != exp) {
            failures.add(String.format("Failure at position %d. Expected %d, got %d", pos, exp, act));
        }
    }

    if (!failures.isEmpty()) {
        fail("Failures: " + failures);
    }
}

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From source file:com.codebutler.farebot.card.desfire.DesfireFileSettings.java

private DesfireFileSettings(ByteArrayInputStream stream) {
    fileType = (byte) stream.read();
    commSetting = (byte) stream.read();

    accessRights = new byte[2];
    stream.read(accessRights, 0, accessRights.length);
}

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From source file:io.cloudslang.engine.queue.entities.ExecutionMessageConverter.java

private void skipPayloadMetaData(ByteArrayInputStream is) throws IOException {
    for (int i = 0; i < PAYLOAD_META_DATA_INIT_BYTES.length; i++) {
        is.read();//from  ww  w  .ja  v  a  2s.  c  o  m
    }
}

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From source file:com.codebutler.farebot.card.desfire.raw.RawDesfireFileSettings.java

@NonNull
public DesfireFileSettings parse() {
    ByteArrayInputStream stream = new ByteArrayInputStream(data().bytes());

    byte fileType = (byte) stream.read();
    byte commSetting = (byte) stream.read();

    byte[] accessRights = new byte[2];
    stream.read(accessRights, 0, accessRights.length);

    switch (fileType) {
    case STANDARD_DATA_FILE:
    case BACKUP_DATA_FILE:
        return createStandardDesfireFileSettings(fileType, commSetting, accessRights, stream);
    case LINEAR_RECORD_FILE:
    case CYCLIC_RECORD_FILE:
        return createRecordDesfireFileSettings(fileType, commSetting, accessRights, stream);
    case VALUE_FILE:
        return createValueDesfireFileSettings(fileType, commSetting, accessRights, stream);
    default:/*from   w w  w  . j  a  v  a 2  s  .  c o  m*/
        throw new RuntimeException("Unknown file type: " + Integer.toHexString(fileType));
    }
}

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From source file:org.cryptonode.jncryptor.TrailerInputStreamTest.java

@Test
public void testSanity() {

    for (int i = 0; i < 10000; i++) {
        byte[] inputData = new byte[15];
        RANDOM.nextBytes(inputData);//  www .  j a v a 2s . com

        ByteArrayInputStream in = new ByteArrayInputStream(inputData);
        int count = 0;
        while (in.read() != -1) {
            count++;
        }

        assertTrue(count == 15);
    }

}

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From source file:io.cortical.retina.core.ImagesTest.java

/**
 * {@link Images#compareImage(List, Integer, ImagePlotShape, ImageEncoding)}
 * // www .j  a  va2s .  c  o m
 * @throws ApiException : should never be thrown.
 * @throws IOException 
 */
@Test
public void compareModelTest() throws ApiException, IOException {
    ImagePlotShape shape = ImagePlotShape.CIRCLE;
    ImageEncoding encoding = ImageEncoding.BASE64_PNG;
    List<Term> terms = Arrays.asList(TERM_1, TERM_2);

    when(api.getOverlayImage(eq(TERM_1_TERM_2_JSON), eq(NOT_NULL_RETINA), eq(shape.name().toLowerCase()), eq(1),
            eq(encoding.machineRepresentation())))
                    .thenReturn(new ByteArrayInputStream(new byte[] { "i".getBytes()[0] }));
    ByteArrayInputStream stream = images.compareImage(terms, 1, shape, encoding);
    assertNotNull(stream);
    assertEquals(105, stream.read());
    stream.close();
    verify(api, times(1)).getOverlayImage(eq(TERM_1_TERM_2_JSON), eq(NOT_NULL_RETINA),
            eq(shape.name().toLowerCase()), eq(1), eq(encoding.machineRepresentation()));
}

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From source file:io.cortical.retina.core.ImagesTest.java

/**
 * {@link Images#getImage(io.cortical.retina.model.Model, int, ImagePlotShape, ImageEncoding, double)}
 * /*  w  w w  . ja  va  2s. co m*/
 * @throws ApiException : should never be thrown.
 * @throws IOException 
 */
@Test
public void testGetImage() throws ApiException, IOException {
    ImagePlotShape shape = ImagePlotShape.CIRCLE;
    ImageEncoding encoding = ImageEncoding.BASE64_PNG;
    double sparsity = 0.02;

    when(api.getImageForExpression(eq(TERM_1_JSON), eq(NOT_NULL_RETINA), eq(1), eq(shape.name().toLowerCase()),
            eq(encoding.machineRepresentation()), eq(sparsity)))
                    .thenReturn(new ByteArrayInputStream(new byte[] { "i".getBytes()[0] }));

    ByteArrayInputStream stream = images.getImage(TERM_1, 1, shape, encoding, sparsity);
    assertNotNull(stream);
    assertEquals(105, stream.read());
    stream.close();
    verify(api, times(1)).getImageForExpression(eq(TERM_1_JSON), eq(NOT_NULL_RETINA), eq(1),
            eq(shape.name().toLowerCase()), eq(encoding.machineRepresentation()), eq(sparsity));
}

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