Examples with DataInputStream java.io.DataInputStream used on opensource projects

Example 86 with DataInputStream

use of java.io.DataInputStream in project XobotOS by xamarin.

the class BluetoothService method readIncomingConnectionState.

private void readIncomingConnectionState() {
    synchronized (mIncomingConnections) {
        FileInputStream fstream = null;
        try {
            fstream = new FileInputStream(INCOMING_CONNECTION_FILE);
            DataInputStream in = new DataInputStream(fstream);
            BufferedReader file = new BufferedReader(new InputStreamReader(in));
            String line;
            while ((line = file.readLine()) != null) {
                line = line.trim();
                if (line.length() == 0)
                    continue;
                String[] value = line.split(",");
                if (value != null && value.length == 3) {
                    Integer val1 = Integer.parseInt(value[1]);
                    Pair<Integer, String> val = new Pair(val1, value[2]);
                    mIncomingConnections.put(value[0], val);
                }
            }
        } catch (FileNotFoundException e) {
            log("FileNotFoundException: readIncomingConnectionState" + e.toString());
        } catch (IOException e) {
            log("IOException: readIncomingConnectionState" + e.toString());
        } finally {
            if (fstream != null) {
                try {
                    fstream.close();
                } catch (IOException e) {
                // Ignore
                }
            }
        }
    }
}

Example 87 with DataInputStream

use of java.io.DataInputStream in project hazelcast by hazelcast.

the class IOUtilTest method testNewInputStream_shouldThrowWhenByteBufferExhaustedAndTryingToReadFully.

@Test(expected = EOFException.class)
public void testNewInputStream_shouldThrowWhenByteBufferExhaustedAndTryingToReadFully() throws Exception {
    ByteBuffer buffer = ByteBuffer.wrap(new byte[SIZE]);
    DataInputStream inputStream = new DataInputStream(newInputStream(buffer));
    inputStream.readFully(new byte[SIZE]);
    inputStream.readFully(NON_EMPTY_BYTE_ARRAY);
}

Example 88 with DataInputStream

use of java.io.DataInputStream in project hazelcast by hazelcast.

the class IOUtilTest method testNewInputStream_shouldThrowWhenTryingToReadFullyFromEmptyByteBuffer.

@Test(expected = EOFException.class)
public void testNewInputStream_shouldThrowWhenTryingToReadFullyFromEmptyByteBuffer() throws Exception {
    ByteBuffer empty = ByteBuffer.wrap(EMPTY_BYTE_ARRAY);
    DataInputStream inputStream = new DataInputStream(newInputStream(empty));
    inputStream.readFully(NON_EMPTY_BYTE_ARRAY);
}

Example 89 with DataInputStream

use of java.io.DataInputStream in project guava by hceylan.

the class LittleEndianDataOutputStreamTest method testWriteBytes_discardHighOrderBytes.

// testing a deprecated method
@SuppressWarnings("deprecation")
public void testWriteBytes_discardHighOrderBytes() throws IOException {
    /* Write out various test values in LITTLE ENDIAN FORMAT */
    out.writeBytes("ꪪꪻ꫌");
    byte[] data = baos.toByteArray();
    /* Setup input streams */
    DataInput in = new DataInputStream(new ByteArrayInputStream(data));
    /* Read in various values NORMALLY */
    byte[] b = new byte[3];
    in.readFully(b);
    byte[] expected = { (byte) 0xAA, (byte) 0xBB, (byte) 0xCC };
    assertEquals(expected, b);
}

Example 90 with DataInputStream

use of java.io.DataInputStream in project guava by hceylan.

the class LittleEndianDataOutputStreamTest method testWriteLittleEndian.

public void testWriteLittleEndian() throws IOException {
    /* Write out various test values in LITTLE ENDIAN FORMAT */
    out.write(new byte[] { -100, 100 });
    out.writeBoolean(true);
    out.writeBoolean(false);
    out.writeByte(100);
    out.writeByte(-100);
    out.writeByte((byte) 200);
    out.writeChar('a');
    out.writeShort((short) -30000);
    out.writeShort((short) 50000);
    out.writeInt(0xCAFEBABE);
    out.writeLong(0xDEADBEEFCAFEBABEL);
    out.writeUTF("Herby Derby");
    out.writeFloat(Float.intBitsToFloat(0xCAFEBABE));
    out.writeDouble(Double.longBitsToDouble(0xDEADBEEFCAFEBABEL));
    byte[] data = baos.toByteArray();
    /* Setup input streams */
    DataInput in = new DataInputStream(new ByteArrayInputStream(data));
    /* Read in various values NORMALLY */
    byte[] b = new byte[2];
    in.readFully(b);
    assertEquals(-100, b[0]);
    assertEquals(100, b[1]);
    assertEquals(true, in.readBoolean());
    assertEquals(false, in.readBoolean());
    assertEquals(100, in.readByte());
    assertEquals(-100, in.readByte());
    assertEquals(200, in.readUnsignedByte());
    assertEquals('愀', in.readChar());
    assertEquals(-12150, in.readShort());
    assertEquals(20675, in.readUnsignedShort());
    assertEquals(0xBEBAFECA, in.readInt());
    assertEquals(0xBEBAFECAEFBEADDEL, in.readLong());
    assertEquals("Herby Derby", in.readUTF());
    assertEquals(0xBEBAFECA, Float.floatToIntBits(in.readFloat()));
    assertEquals(0xBEBAFECAEFBEADDEL, Double.doubleToLongBits(in.readDouble()));
}