List of usage examples for java.nio ByteOrder nativeOrder
public static ByteOrder nativeOrder()
From source file:edu.harvard.iq.dvn.unf.Base64Encoding.java
/** * * @param digest byte array//from w w w.ja va 2 s. com * @param enc String with final encoding * @return String the encoded base64 of digest * @throws UnsupportedEncodingException */ public static String tobase64(byte[] digest, String enc) throws UnsupportedEncodingException { ByteArrayOutputStream btstream = new ByteArrayOutputStream(); //this make sure is written in big-endian DataOutputStream stream = new DataOutputStream(btstream); byte[] tobase64 = null; byte[] revdigest = new byte[digest.length]; revdigest = changeByteOrder(digest, ByteOrder.nativeOrder()); try { stream.write(revdigest); stream.flush(); tobase64 = Base64.encodeBase64(btstream.toByteArray()); } catch (IOException io) { tobase64 = Base64.encodeBase64(digest); } return new String(tobase64, enc); }
From source file:com.google.fpl.liquidfunpaint.ParticleRenderer.java
public ParticleRenderer() { mParticlePositionBuffer = ByteBuffer.allocateDirect(2 * 4 * Renderer.MAX_PARTICLE_COUNT) .order(ByteOrder.nativeOrder()); mParticleColorBuffer = ByteBuffer.allocateDirect(4 * Renderer.MAX_PARTICLE_COUNT) .order(ByteOrder.nativeOrder()); mParticleWeightBuffer = ByteBuffer.allocateDirect(4 * Renderer.MAX_PARTICLE_COUNT) .order(ByteOrder.nativeOrder()); }
From source file:org.ballerinalang.stdlib.io.data.DataInputOutputTest.java
@Test(description = "Test signed var long", dataProvider = "SignedVarLongValues") public void testSingedVarLong(long value, int byteCount) throws IOException { String filePath = currentDirectoryPath + "/sample.bin"; ByteChannel byteChannel = TestUtil.openForReadingAndWriting(filePath); Channel channel = new MockByteChannel(byteChannel); DataChannel dataChannel = new DataChannel(channel, ByteOrder.nativeOrder()); dataChannel.writeLong(value, Representation.VARIABLE); channel.close();/*from w w w. java 2 s. c o m*/ byteChannel = TestUtil.openForReadingAndWriting(filePath); channel = new MockByteChannel(byteChannel); dataChannel = new DataChannel(channel, ByteOrder.nativeOrder()); LongResult longResult = dataChannel.readLong(Representation.VARIABLE); long readInt = longResult.getValue(); int nBytes = longResult.getByteCount(); Assert.assertEquals(readInt, value); Assert.assertEquals(nBytes, byteCount); }
From source file:ffx.xray.CCP4MapFilter.java
/** * {@inheritDoc}/*from www . j a v a2 s . co m*/ */ @Override public Crystal getCrystal(String filename, CompositeConfiguration properties) { int imapdata; int sg = -1; double cella = -1.0; double cellb = -1.0; double cellc = -1.0; double cellalpha = -1.0; double cellbeta = -1.0; double cellgamma = -1.0; ByteOrder b = ByteOrder.nativeOrder(); FileInputStream fis; DataInputStream dis; // first determine byte order of file versus system try { fis = new FileInputStream(filename); dis = new DataInputStream(fis); dis.skipBytes(212); byte bytes[] = new byte[4]; dis.read(bytes, 0, 4); ByteBuffer bb = ByteBuffer.wrap(bytes); imapdata = bb.order(ByteOrder.BIG_ENDIAN).getInt(); String stampstr = Integer.toHexString(imapdata); // System.out.println("stamp: " + stampstr); switch (stampstr.charAt(0)) { case '1': case '3': if (b.equals(ByteOrder.LITTLE_ENDIAN)) { b = ByteOrder.BIG_ENDIAN; } break; case '4': if (b.equals(ByteOrder.BIG_ENDIAN)) { b = ByteOrder.LITTLE_ENDIAN; } break; } fis.close(); } catch (Exception e) { String message = "Fatal exception reading CCP4 map.\n"; logger.log(Level.SEVERE, message, e); System.exit(-1); } try { fis = new FileInputStream(filename); dis = new DataInputStream(fis); dis.skipBytes(40); byte bytes[] = new byte[80]; dis.read(bytes, 0, 80); ByteBuffer bb = ByteBuffer.wrap(bytes); cella = bb.order(b).getFloat(); cellb = bb.order(b).getFloat(); cellc = bb.order(b).getFloat(); cellalpha = bb.order(b).getFloat(); cellbeta = bb.order(b).getFloat(); cellgamma = bb.order(b).getFloat(); for (int i = 0; i < 3; i++) { bb.order(b).getInt(); } for (int i = 0; i < 3; i++) { bb.order(b).getFloat(); } sg = bb.order(b).getInt(); fis.close(); } catch (Exception e) { String message = "Fatal exception reading CCP4 map.\n"; logger.log(Level.SEVERE, message, e); System.exit(-1); } return new Crystal(cella, cellb, cellc, cellalpha, cellbeta, cellgamma, SpaceGroup.spaceGroupNames[sg - 1]); }
From source file:ffx.realspace.CCP4MapFilter.java
/** * {@inheritDoc}//www .j a v a2 s . com */ @Override public Crystal getCrystal(String fileName, CompositeConfiguration properties) { int imapData; int spaceGroup = -1; double cellA = -1.0; double cellB = -1.0; double cellC = -1.0; double cellAlpha = -1.0; double cellBeta = -1.0; double cellGamma = -1.0; ByteOrder byteOrder = ByteOrder.nativeOrder(); FileInputStream fileInputStream; DataInputStream dataInputStream; // first determine byte order of file versus system try { fileInputStream = new FileInputStream(fileName); dataInputStream = new DataInputStream(fileInputStream); dataInputStream.skipBytes(212); byte bytes[] = new byte[4]; dataInputStream.read(bytes, 0, 4); ByteBuffer byteBuffer = ByteBuffer.wrap(bytes); imapData = byteBuffer.order(ByteOrder.BIG_ENDIAN).getInt(); String stampString = Integer.toHexString(imapData); switch (stampString.charAt(0)) { case '1': case '3': if (byteOrder.equals(ByteOrder.LITTLE_ENDIAN)) { byteOrder = ByteOrder.BIG_ENDIAN; } break; case '4': if (byteOrder.equals(ByteOrder.BIG_ENDIAN)) { byteOrder = ByteOrder.LITTLE_ENDIAN; } break; } fileInputStream.close(); } catch (Exception e) { String message = " Fatal exception reading CCP4 map.\n"; logger.log(Level.SEVERE, message, e); } try { fileInputStream = new FileInputStream(fileName); dataInputStream = new DataInputStream(fileInputStream); dataInputStream.skipBytes(40); byte bytes[] = new byte[80]; dataInputStream.read(bytes, 0, 80); ByteBuffer byteBuffer = ByteBuffer.wrap(bytes); cellA = byteBuffer.order(byteOrder).getFloat(); cellB = byteBuffer.order(byteOrder).getFloat(); cellC = byteBuffer.order(byteOrder).getFloat(); cellAlpha = byteBuffer.order(byteOrder).getFloat(); cellBeta = byteBuffer.order(byteOrder).getFloat(); cellGamma = byteBuffer.order(byteOrder).getFloat(); for (int i = 0; i < 3; i++) { byteBuffer.order(byteOrder).getInt(); } for (int i = 0; i < 3; i++) { byteBuffer.order(byteOrder).getFloat(); } spaceGroup = byteBuffer.order(byteOrder).getInt(); fileInputStream.close(); } catch (Exception e) { String message = " Fatal exception reading CCP4 map.\n"; logger.log(Level.SEVERE, message, e); } return new Crystal(cellA, cellB, cellC, cellAlpha, cellBeta, cellGamma, SpaceGroup.spaceGroupNames[spaceGroup - 1]); }
From source file:rb.app.GLObject.java
public void allocateBuffer() { int SHORT_MAX = 250000; int FLOAT_MAX = 1000000; Log.d("GLRenderer", "Allocate (short):" + SHORT_MAX * 2 + " bytes"); ByteBuffer vbb = ByteBuffer.allocateDirect(SHORT_MAX * 2); vbb.order(ByteOrder.nativeOrder()); _shortBuffer = vbb.asShortBuffer();/*from w w w . j ava2 s . c om*/ _shortBuffer.position(0); Log.d("GLRenderer", "Allocate (float):" + FLOAT_MAX * 4 + " bytes"); ByteBuffer fbb = ByteBuffer.allocateDirect(FLOAT_MAX * 4); fbb.order(ByteOrder.nativeOrder()); _floatBuffer = fbb.asFloatBuffer(); _floatBuffer.position(0); }
From source file:edu.harvard.iq.dvn.unf.Base64Encoding.java
/** * Alternative tobase64 method.Encodes the String(byte[]) instead of the array * * @param digest byte array for encoding in base 64, * @param cset String with name of charset * @return String base 64 the encoded base64 of digest */// w w w .j a va 2s . com public static String tobase641(byte[] digest, String cset) { byte[] revdigest = changeByteOrder(digest, ByteOrder.nativeOrder()); String str = null; str = new String(revdigest); ByteArrayOutputStream btstream = new ByteArrayOutputStream(); //this make sure is written in big-endian DataOutputStream stream = new DataOutputStream(btstream); String tobase64 = null; //use a charset for encoding if (cset == null) { cset = DEFAULT_CHAR_ENCODING; } BCodec bc = new BCodec(cset); try { tobase64 = (String) bc.encode(str); } catch (EncoderException err) { mLog.info("base64Encoding: exception" + err.getMessage()); } return tobase64; }
From source file:de.ailis.threedee.utils.BufferUtils.java
/** * Converts the specified integer buffer to native endian and returns this * new buffer. If buffer is already in correct endian format then it is * returned right away.//from www . ja v a 2 s.c o m * * @param buffer * The integer buffer to convert * @return The converted integer buffer or the source buffer if no * conversion is needed */ public static IntBuffer convertToNativeEndian(final IntBuffer buffer) { if (buffer.order() == ByteOrder.nativeOrder()) return buffer; final ByteBuffer bytes = ByteBuffer.allocateDirect(buffer.capacity()); bytes.order(ByteOrder.nativeOrder()); final IntBuffer ints = bytes.asIntBuffer(); ints.put(buffer).rewind(); return ints; }
From source file:com.alvermont.terraj.fracplanet.geom.TriangleBufferArray.java
/** Creates a new instance of TriangleBufferArray */ public TriangleBufferArray() { this.buffer = ByteBuffer.allocateDirect(DEFAULT_CAPACITY * INTS_PER_ENTRY * SIZEOF_INT) .order(ByteOrder.nativeOrder()).asIntBuffer(); this.buffer.limit(0); }
From source file:org.ballerinalang.stdlib.io.data.DataInputOutputTest.java
@Test(description = "Test floating point values", dataProvider = "DoubleValues") public void testFloat(double value, Representation representation) throws IOException { String filePath = currentDirectoryPath + "/sample.bin"; ByteChannel byteChannel = TestUtil.openForReadingAndWriting(filePath); Channel channel = new MockByteChannel(byteChannel); DataChannel dataChannel = new DataChannel(channel, ByteOrder.nativeOrder()); dataChannel.writeDouble(value, representation); byteChannel = TestUtil.openForReadingAndWriting(filePath); channel = new MockByteChannel(byteChannel); dataChannel = new DataChannel(channel, ByteOrder.nativeOrder()); double readFloat = dataChannel.readDouble(representation); Assert.assertEquals(readFloat, value); }