Example usage for com.google.common.primitives UnsignedBytes checkedCast

Introduction

In this page you can find the example usage for com.google.common.primitives UnsignedBytes checkedCast.

Prototype

public static byte checkedCast(long value) 

Source Link

Document

Returns the byte value that, when treated as unsigned, is equal to value , if possible.

Usage

From source file:org.opendaylight.protocol.bgp.flowspec.Util.java

/**
 * Given the integer values, this method instead of writing the value
 * in 4B field, compresses the value to lowest required byte field
 * depending on the value./* w  w  w  .j a v a2  s.c  o m*/
 *
 * @param value integer to be written
 * @param buffer ByteBuf where the value will be written
 */
protected static void writeShortest(final int value, final ByteBuf buffer) {
    if (value <= Values.UNSIGNED_BYTE_MAX_VALUE) {
        buffer.writeByte(UnsignedBytes.checkedCast(value));
    } else if (value <= Values.UNSIGNED_SHORT_MAX_VALUE) {
        ByteBufWriteUtil.writeUnsignedShort(value, buffer);
    } else if (value <= Values.UNSIGNED_INT_MAX_VALUE) {
        ByteBufWriteUtil.writeUnsignedInt(UnsignedInts.toLong(value), buffer);
    } else {
        buffer.writeLong(value);
    }
}

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From source file:org.opendaylight.protocol.bgp.flowspec.handlers.Util.java

/**
 * Given the integer values, this method instead of writing the value
 * in 4B field, compresses the value to lowest required byte field
 * depending on the value.//from   w  ww. java2s  .  c om
 *
 * @param value integer to be written
 * @param buffer ByteBuf where the value will be written
 */
public static void writeShortest(final int value, final ByteBuf buffer) {
    if (value <= Values.UNSIGNED_BYTE_MAX_VALUE) {
        buffer.writeByte(UnsignedBytes.checkedCast(value));
    } else if (value <= Values.UNSIGNED_SHORT_MAX_VALUE) {
        ByteBufWriteUtil.writeUnsignedShort(value, buffer);
    } else if (value <= Values.UNSIGNED_INT_MAX_VALUE) {
        ByteBufWriteUtil.writeUnsignedInt(UnsignedInts.toLong(value), buffer);
    } else {
        buffer.writeLong(value);
    }
}

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From source file:org.terasology.rendering.assets.texture.TextureDataFactory.java

/**
 * Create TextureData for a Texture all of a single color.
 * @param color to use for creating TextureData
 * @return TextureData created using specified color
 *//*  w  ww  . j a  v a2 s.c  om*/
public static TextureData newInstance(Color color) {

    byte red = UnsignedBytes.checkedCast(color.r());
    byte green = UnsignedBytes.checkedCast(color.g());
    byte blue = UnsignedBytes.checkedCast(color.b());
    byte alpha = UnsignedBytes.checkedCast(color.a());

    ByteBuffer data = ByteBuffer.allocateDirect(4 * TEXTURE_WIDTH * TEXTURE_HEIGHT);
    for (int width = 0; width < TEXTURE_WIDTH; width++) {
        for (int height = 0; height < TEXTURE_HEIGHT; height++) {
            data.put(red).put(green).put(blue).put(alpha);
        }
    }

    // The buffer must be reset back to the initial position before passing it onward.
    data.rewind();

    return new TextureData(TEXTURE_WIDTH, TEXTURE_HEIGHT, new ByteBuffer[] { data }, WrapMode.REPEAT,
            FilterMode.NEAREST);
}

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From source file:com.jadarstudios.developercapes.cape.CapeConfigManager.java

public static int claimId(int id) throws InvalidCapeConfigIdException {
    if (id <= 0)
        throw new InvalidCapeConfigIdException("The config ID must be a positive non-zero integer");
    try {//from  w  w w . ja  va 2 s  . co  m
        UnsignedBytes.checkedCast(id);
    } catch (IllegalArgumentException e) {
        e.printStackTrace();
    }

    boolean isRegistered = availableIds.get(id);
    if (isRegistered)
        throw new InvalidCapeConfigIdException(String.format("The config ID %d is already claimed.", id));

    availableIds.set(id);
    return id;
}

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From source file:de.TheJulianJES.UtilsPlus.Core.fancy.cape.CapeConfigManager.java

public static int claimId(int id) throws InvalidCapeConfigIdException {
    if (id <= 0) {
        throw new InvalidCapeConfigIdException("The config ID must be a positive non-zero integer");
    }//from  w  w w . j  a  v  a  2s  . c  o m
    try {
        UnsignedBytes.checkedCast(id);
    } catch (IllegalArgumentException e) {
        e.printStackTrace();
    }

    boolean isRegistered = availableIds.get(id);
    if (isRegistered) {
        throw new InvalidCapeConfigIdException(String.format("The config ID %d is already claimed.", id));
    }

    availableIds.set(id);
    return id;
}

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From source file:org.apache.directory.server.dhcp.options.ByteOption.java

public void setByteValue(@Nonnegative int value) {
    setData(new byte[] { UnsignedBytes.checkedCast(value) });
}

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From source file:org.opendaylight.protocol.rsvp.parser.spi.subobjects.XROSubobjectListParser.java

public List<SubobjectContainer> parseList(final ByteBuf byteBuf) throws RSVPParsingException {
    final List<SubobjectContainer> subs = new ArrayList<>();
    while (byteBuf.isReadable()) {
        final boolean mandatory = ((byteBuf.getUnsignedByte(byteBuf.readerIndex())
                & (1 << Values.FIRST_BIT_OFFSET)) != 0) ? true : false;
        final int type = UnsignedBytes.checkedCast(
                (byteBuf.readUnsignedByte() & Values.BYTE_MAX_VALUE_BYTES) & ~(1 << Values.FIRST_BIT_OFFSET));
        final int length = byteBuf.readUnsignedByte() - HEADER_LENGHT;
        if (length > byteBuf.readableBytes()) {
            throw new RSVPParsingException(
                    "Wrong length specified. Passed: " + length + "; Expected: <= " + byteBuf.readableBytes());
        }//w w  w . j a v a2s.c  o  m
        LOG.debug("Attempt to parse subobject from bytes: {}", ByteBufUtil.hexDump(byteBuf));
        final SubobjectContainer sub = this.subobjReg.parseSubobject(type, byteBuf.readSlice(length),
                mandatory);

        if (sub == null) {
            LOG.warn("Unknown subobject type: {}. Ignoring subobject.", type);
        } else {
            LOG.debug("Subobject was parsed. {}", sub);
            subs.add(sub);
        }
    }
    return subs;
}

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From source file:se.sics.caracaldb.utils.CustomSerialisers.java

public static void serialiseKey(Key key, ByteBuf w) {
    byte[] id = key.getArray();
    BitBuffer bbuf = BitBuffer.create((key instanceof Key.Inf), (id == null));
    boolean byteFlag = (id != null) && (id.length <= Key.BYTE_KEY_SIZE);
    bbuf.write(byteFlag);/*from  w  ww .  j  a v a2s  .  co m*/
    byte[] flags = bbuf.finalise();
    w.writeBytes(flags);
    if (id != null) {
        if (byteFlag) {
            w.writeByte(UnsignedBytes.checkedCast(id.length));
        } else {
            w.writeInt(id.length);
        }
        w.writeBytes(id);
    }
}

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From source file:org.opendaylight.protocol.pcep.impl.object.AbstractXROWithSubobjectsParser.java

protected List<Subobject> parseSubobjects(final ByteBuf buffer) throws PCEPDeserializerException {
    Preconditions.checkArgument(buffer != null && buffer.isReadable(),
            "Array of bytes is mandatory. Can't be null or empty.");
    final List<Subobject> subs = new ArrayList<>();
    while (buffer.isReadable()) {
        final boolean mandatory = ((buffer.getUnsignedByte(buffer.readerIndex())
                & (1 << Values.FIRST_BIT_OFFSET)) != 0) ? true : false;
        final int type = UnsignedBytes.checkedCast(
                (buffer.readUnsignedByte() & Values.BYTE_MAX_VALUE_BYTES) & ~(1 << Values.FIRST_BIT_OFFSET));
        final int length = buffer.readUnsignedByte() - HEADER_LENGTH;
        if (length > buffer.readableBytes()) {
            throw new PCEPDeserializerException(
                    "Wrong length specified. Passed: " + length + "; Expected: <= " + buffer.readableBytes());
        }// ww  w . ja v a 2s .co m
        LOG.debug("Attempt to parse subobject from bytes: {}", ByteBufUtil.hexDump(buffer));
        final Subobject sub = this.subobjReg.parseSubobject(type, buffer.readSlice(length), mandatory);
        if (sub == null) {
            LOG.warn("Unknown subobject type: {}. Ignoring subobject.", type);
        } else {
            LOG.debug("Subobject was parsed. {}", sub);
            subs.add(sub);
        }
    }
    return subs;
}

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From source file:org.apache.hadoop.hive.serde2.objectinspector.ThriftUnionObjectInspector.java

@Override
public byte getTag(final Object o) {
    if (o == null) {
        return -1;
    }/*from  w w w .  j a  v  a2s  .  co m*/
    final TFieldIdEnum setField = ((TUnion<? extends TUnion<?, ?>, ? extends TFieldIdEnum>) o).getSetField();
    return UnsignedBytes.checkedCast((setField.getThriftFieldId() - 1));
}

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