Examples with ShortBuffer java.nio.ShortBuffer used on opensource projects

Example 46 with ShortBuffer

use of java.nio.ShortBuffer in project robovm by robovm.

the class Main method storeValues.

static void storeValues(ByteBuffer directBuf) {
    directBuf.position(0);
    ShortBuffer shortBuf = directBuf.asShortBuffer();
    CharBuffer charBuf = directBuf.asCharBuffer();
    IntBuffer intBuf = directBuf.asIntBuffer();
    FloatBuffer floatBuf = directBuf.asFloatBuffer();
    LongBuffer longBuf = directBuf.asLongBuffer();
    DoubleBuffer doubleBuf = directBuf.asDoubleBuffer();
    final byte byteValue = -5;
    final short shortValue = -1234;
    final char charValue = 49200;
    final int intValue = 0x12345678;
    final float floatValue = 3.14159f;
    final long longValue = 0x1122334455667788L;
    final double doubleValue = Double.MIN_VALUE;
    if (directBuf.put(1, byteValue).get(1) != byteValue) {
        throw new RuntimeException("byte get/store failed");
    }
    if (shortBuf.put(1, shortValue).get(1) != shortValue) {
        throw new RuntimeException("short get/store failed");
    }
    if (charBuf.put(2, charValue).get(2) != charValue) {
        throw new RuntimeException("char get/store failed");
    }
    if (intBuf.put(2, intValue).get(2) != intValue) {
        throw new RuntimeException("int get/store failed");
    }
    if (floatBuf.put(3, floatValue).get(3) != floatValue) {
        throw new RuntimeException("float get/store failed");
    }
    if (longBuf.put(2, longValue).get(2) != longValue) {
        throw new RuntimeException("long get/store failed");
    }
    if (doubleBuf.put(3, doubleValue).get(3) != doubleValue) {
        throw new RuntimeException("double get/store failed");
    }
    directBuf.position(0);
    char[] outBuf = new char[directBuf.limit() * 2];
    for (int i = 0; i < directBuf.limit(); i++) {
        byte b = directBuf.get();
        outBuf[i * 2] = hexChar((byte) ((b >> 4) & 0x0f));
        outBuf[i * 2 + 1] = hexChar((byte) (b & 0x0f));
    }
    System.out.println(new String(outBuf));
}

Example 47 with ShortBuffer

use of java.nio.ShortBuffer in project robovm by robovm.

the class OldAndroidNIOTest method byteBufferTest.

private void byteBufferTest(ByteBuffer b) {
    checkBuffer(b);
    // Duplicate buffers revert to big-endian.
    b.order(ByteOrder.LITTLE_ENDIAN);
    ByteBuffer dupe = b.duplicate();
    assertEquals(ByteOrder.BIG_ENDIAN, dupe.order());
    b.order(ByteOrder.BIG_ENDIAN);
    // Bounds checks
    try {
        b.put(-1, (byte) 0);
        fail("expected exception not thrown");
    } catch (IndexOutOfBoundsException e) {
    // expected
    }
    try {
        b.put(b.limit(), (byte) 0);
        fail("expected exception not thrown");
    } catch (IndexOutOfBoundsException e) {
    // expected
    }
    // IndexOutOfBoundsException: offset < 0
    try {
        byte[] data = new byte[8];
        b.position(0);
        b.put(data, -1, 2);
        fail("expected exception not thrown");
    } catch (IndexOutOfBoundsException e) {
    // expected
    }
    // IndexOutOfBoundsException: length > array.length - offset
    try {
        byte[] data = new byte[8];
        b.position(0);
        b.put(data, 1, 8);
        fail("expected exception not thrown");
    } catch (IndexOutOfBoundsException e) {
    // expected
    }
    // BufferOverflowException: length > remaining()
    try {
        byte[] data = new byte[8];
        b.position(b.limit() - 2);
        b.put(data, 0, 3);
        fail("expected exception not thrown");
    } catch (BufferOverflowException e) {
    // expected
    }
    // Fill buffer with bytes A0 A1 A2 A3 ...
    b.position(0);
    for (int i = 0; i < b.capacity(); i++) {
        b.put((byte) (0xA0 + i));
    }
    try {
        b.put((byte) 0xFF);
        fail("expected exception not thrown");
    } catch (BufferOverflowException e) {
    // expected
    }
    b.position(0);
    assertEquals((byte) 0xA7, b.get(7));
    try {
        b.get(12);
        fail("expected exception not thrown");
    } catch (IndexOutOfBoundsException e) {
    // expected
    }
    try {
        b.get(-10);
        fail("expected exception not thrown");
    } catch (IndexOutOfBoundsException e) {
    // expected
    }
    b.position(0);
    b.order(ByteOrder.LITTLE_ENDIAN);
    assertEquals((byte) 0xA0, b.get());
    assertEquals((byte) 0xA1, b.get());
    assertEquals((byte) 0xA2, b.get());
    assertEquals((byte) 0xA3, b.get());
    assertEquals((byte) 0xA4, b.get());
    assertEquals((byte) 0xA5, b.get());
    assertEquals((byte) 0xA6, b.get());
    assertEquals((byte) 0xA7, b.get());
    assertEquals((byte) 0xA8, b.get());
    assertEquals((byte) 0xA9, b.get());
    assertEquals((byte) 0xAA, b.get());
    assertEquals((byte) 0xAB, b.get());
    try {
        b.get();
        fail("expected exception not thrown");
    } catch (BufferUnderflowException e) {
    // expected
    }
    b.position(0);
    b.order(ByteOrder.BIG_ENDIAN);
    assertEquals((byte) 0xA0, b.get());
    assertEquals((byte) 0xA1, b.get());
    assertEquals((byte) 0xA2, b.get());
    assertEquals((byte) 0xA3, b.get());
    assertEquals((byte) 0xA4, b.get());
    assertEquals((byte) 0xA5, b.get());
    assertEquals((byte) 0xA6, b.get());
    assertEquals((byte) 0xA7, b.get());
    assertEquals((byte) 0xA8, b.get());
    assertEquals((byte) 0xA9, b.get());
    assertEquals((byte) 0xAA, b.get());
    assertEquals((byte) 0xAB, b.get());
    try {
        b.get();
        fail("expected exception not thrown");
    } catch (BufferUnderflowException e) {
    // expected
    }
    b.position(6);
    b.limit(10);
    assertEquals((byte) 0xA6, b.get());
    // Check sliced buffer
    b.position(6);
    ByteBuffer bb = b.slice();
    checkBuffer(bb);
    assertEquals(0, bb.position());
    assertEquals(4, bb.limit());
    assertEquals(4, bb.capacity());
    assertEquals((byte) 0xA6, bb.get());
    assertEquals((byte) 0xA7, bb.get());
    assertEquals((byte) 0xA8, bb.get());
    assertEquals((byte) 0xA9, bb.get());
    try {
        bb.get();
        fail("expected exception not thrown");
    } catch (BufferUnderflowException e) {
    // expected
    }
    // Reset position and limit
    b.position(0);
    b.limit(b.capacity());
    // Check 'getShort'
    b.order(ByteOrder.LITTLE_ENDIAN);
    b.position(0);
    assertEquals((short) 0xA1A0, b.getShort());
    assertEquals((short) 0xA3A2, b.getShort());
    assertEquals((short) 0xA5A4, b.getShort());
    assertEquals((short) 0xA7A6, b.getShort());
    assertEquals((short) 0xA9A8, b.getShort());
    assertEquals((short) 0xABAA, b.getShort());
    try {
        bb.getShort();
        fail("expected exception not thrown");
    } catch (BufferUnderflowException e) {
    // expected
    }
    b.order(ByteOrder.BIG_ENDIAN);
    b.position(0);
    assertEquals((short) 0xA0A1, b.getShort());
    assertEquals((short) 0xA2A3, b.getShort());
    assertEquals((short) 0xA4A5, b.getShort());
    assertEquals((short) 0xA6A7, b.getShort());
    assertEquals((short) 0xA8A9, b.getShort());
    assertEquals((short) 0xAAAB, b.getShort());
    try {
        bb.getShort();
        fail("expected exception not thrown");
    } catch (BufferUnderflowException e) {
    // expected
    }
    // Check 'getInt'
    b.order(ByteOrder.LITTLE_ENDIAN);
    b.position(0);
    assertEquals(0xA3A2A1A0, b.getInt());
    assertEquals(0xA7A6A5A4, b.getInt());
    assertEquals(0xABAAA9A8, b.getInt());
    try {
        bb.getInt();
        fail("expected exception not thrown");
    } catch (BufferUnderflowException e) {
    // expected
    }
    b.order(ByteOrder.BIG_ENDIAN);
    b.position(0);
    assertEquals(0xA0A1A2A3, b.getInt());
    assertEquals(0xA4A5A6A7, b.getInt());
    assertEquals(0xA8A9AAAB, b.getInt());
    try {
        bb.getInt();
        fail("expected exception not thrown");
    } catch (BufferUnderflowException e) {
    // expected
    }
    // Check 'getFloat'
    b.order(ByteOrder.LITTLE_ENDIAN);
    b.position(0);
    assertEquals(0xA3A2A1A0, Float.floatToRawIntBits(b.getFloat()));
    assertEquals(0xA7A6A5A4, Float.floatToRawIntBits(b.getFloat()));
    assertEquals(0xABAAA9A8, Float.floatToRawIntBits(b.getFloat()));
    try {
        b.getFloat();
        fail("expected exception not thrown");
    } catch (BufferUnderflowException e) {
    // expected
    }
    b.order(ByteOrder.BIG_ENDIAN);
    b.position(0);
    assertEquals(0xA0A1A2A3, Float.floatToRawIntBits(b.getFloat()));
    assertEquals(0xA4A5A6A7, Float.floatToRawIntBits(b.getFloat()));
    assertEquals(0xA8A9AAAB, Float.floatToRawIntBits(b.getFloat()));
    try {
        b.getFloat();
        fail("expected exception not thrown");
    } catch (BufferUnderflowException e) {
    // expected
    }
    // Check 'getDouble(int position)'
    b.order(ByteOrder.LITTLE_ENDIAN);
    assertEquals(0xA7A6A5A4A3A2A1A0L, Double.doubleToRawLongBits(b.getDouble(0)));
    assertEquals(0xA8A7A6A5A4A3A2A1L, Double.doubleToRawLongBits(b.getDouble(1)));
    try {
        b.getDouble(-1);
        fail("expected exception not thrown");
    } catch (IndexOutOfBoundsException e) {
    // expected
    }
    try {
        b.getDouble(5);
        fail("expected exception not thrown");
    } catch (IndexOutOfBoundsException e) {
    // expected
    }
    b.order(ByteOrder.BIG_ENDIAN);
    assertEquals(0xA0A1A2A3A4A5A6A7L, Double.doubleToRawLongBits(b.getDouble(0)));
    assertEquals(0xA1A2A3A4A5A6A7A8L, Double.doubleToRawLongBits(b.getDouble(1)));
    try {
        b.getDouble(-1);
        fail("expected exception not thrown");
    } catch (IndexOutOfBoundsException e) {
    // expected
    }
    try {
        b.getDouble(5);
        fail("expected exception not thrown");
    } catch (IndexOutOfBoundsException e) {
    // expected
    }
    // Slice and check 'getInt'
    b.position(1);
    b.limit(5);
    b.order(ByteOrder.LITTLE_ENDIAN);
    bb = b.slice();
    assertEquals(4, bb.capacity());
    assertEquals(ByteOrder.BIG_ENDIAN, bb.order());
    assertEquals(0xA1A2A3A4, bb.getInt(0));
    bb.order(ByteOrder.LITTLE_ENDIAN);
    assertEquals(0xA4A3A2A1, bb.getInt(0));
    bb.order(ByteOrder.LITTLE_ENDIAN);
    ShortBuffer sb = bb.asShortBuffer();
    checkBuffer(sb);
    assertEquals(2, sb.capacity());
    assertEquals((short) 0xA2A1, sb.get());
    assertEquals((short) 0xA4A3, sb.get());
    bb.order(ByteOrder.BIG_ENDIAN);
    sb = bb.asShortBuffer();
    checkBuffer(sb);
    assertEquals(2, sb.capacity());
    assertEquals((short) 0xA1A2, sb.get());
    assertEquals((short) 0xA3A4, sb.get());
    bb.order(ByteOrder.LITTLE_ENDIAN);
    IntBuffer ib = bb.asIntBuffer();
    checkBuffer(ib);
    assertEquals(1, ib.capacity());
    assertEquals(0xA4A3A2A1, ib.get());
    bb.order(ByteOrder.BIG_ENDIAN);
    ib = bb.asIntBuffer();
    checkBuffer(ib);
    assertEquals(1, ib.capacity());
    assertEquals(0xA1A2A3A4, ib.get());
    bb.order(ByteOrder.LITTLE_ENDIAN);
    FloatBuffer fb = bb.asFloatBuffer();
    checkBuffer(fb);
    assertEquals(1, fb.capacity());
    assertEquals(0xA4A3A2A1, Float.floatToRawIntBits(fb.get()));
    bb.order(ByteOrder.BIG_ENDIAN);
    fb = bb.asFloatBuffer();
    checkBuffer(fb);
    assertEquals(1, fb.capacity());
    assertEquals(0xA1A2A3A4, Float.floatToRawIntBits(fb.get()));
}

Example 48 with ShortBuffer

use of java.nio.ShortBuffer in project robovm by robovm.

the class OldAndroidNIOTest method testNIO_short_array.

public void testNIO_short_array() throws Exception {
    // Test short array-based buffer
    short[] shortArray = new short[8];
    ShortBuffer sb = ShortBuffer.wrap(shortArray);
    shortBufferTest(sb);
}

Example 49 with ShortBuffer

use of java.nio.ShortBuffer in project robovm by robovm.

the class OldDirectShortBufferTest method testPutWhenOffsetIsNonZero.

/**
     * Regression for http://code.google.com/p/android/issues/detail?id=3279
     */
public void testPutWhenOffsetIsNonZero() {
    ByteBuffer byteBuffer = ByteBuffer.allocateDirect(40);
    byteBuffer.order(ByteOrder.nativeOrder());
    ShortBuffer shortBuffer = byteBuffer.asShortBuffer();
    short[] source = { 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16 };
    shortBuffer.put(source, 2, 2);
    shortBuffer.put(source, 4, 2);
    assertEquals(4, shortBuffer.get(0));
    assertEquals(5, shortBuffer.get(1));
    assertEquals(6, shortBuffer.get(2));
    assertEquals(7, shortBuffer.get(3));
}

Example 50 with ShortBuffer

use of java.nio.ShortBuffer in project BIMserver by opensourceBIM.

the class BinUtils method shortToByteArray.

public static byte[] shortToByteArray(short inShort) {
    byte[] bArray = new byte[2];
    ByteBuffer bBuffer = ByteBuffer.wrap(bArray);
    ShortBuffer lBuffer = bBuffer.asShortBuffer();
    lBuffer.put(inShort);
    return bArray;
}