Example usage for java.lang Byte MAX_VALUE

Introduction

In this page you can find the example usage for java.lang Byte MAX_VALUE.

Prototype

byte MAX_VALUE

To view the source code for java.lang Byte MAX_VALUE.

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Document

A constant holding the maximum value a byte can have, 2⁷-1.

Usage

From source file:com.jeeframework.util.validate.GenericTypeValidator.java

/**
 *  Checks if the value can safely be converted to a byte primitive.
 *
 *@param  value   The value validation is being performed on.
 *@param  locale  The locale to use to parse the number (system default if
 *      null)//  ww w. j  a va 2s  .c  o  m
 *@return the converted Byte value.
 */
public static Byte formatByte(String value, Locale locale) {
    Byte result = null;

    if (value != null) {
        NumberFormat formatter = null;
        if (locale != null) {
            formatter = NumberFormat.getNumberInstance(locale);
        } else {
            formatter = NumberFormat.getNumberInstance(Locale.getDefault());
        }
        formatter.setParseIntegerOnly(true);
        ParsePosition pos = new ParsePosition(0);
        Number num = formatter.parse(value, pos);

        // If there was no error      and we used the whole string
        if (pos.getErrorIndex() == -1 && pos.getIndex() == value.length()) {
            if (num.doubleValue() >= Byte.MIN_VALUE && num.doubleValue() <= Byte.MAX_VALUE) {
                result = new Byte(num.byteValue());
            }
        }
    }

    return result;
}

---

From source file:Base64Utils.java

public static byte[] base64Decode(String data) {
    char[] ibuf = new char[4];
    int ibufcount = 0;
    byte[] obuf = new byte[data.length() / 4 * 3 + 3];
    int obufcount = 0;
    for (int i = 0; i < data.length(); i++) {
        char ch = data.charAt(i);
        if (ch == S_BASE64PAD || ch < S_DECODETABLE.length && S_DECODETABLE[ch] != Byte.MAX_VALUE) {
            ibuf[ibufcount++] = ch;//from  ww  w.j  av  a 2  s. co  m
            if (ibufcount == ibuf.length) {
                ibufcount = 0;
                obufcount += base64Decode0(ibuf, obuf, obufcount);
            }
        }
    }
    if (obufcount == obuf.length) {
        return obuf;
    }
    byte[] ret = new byte[obufcount];
    System.arraycopy(obuf, 0, ret, 0, obufcount);
    return ret;
}

---

From source file:easyJ.common.validate.GenericTypeValidator.java

/**
 * Checks if the value can safely be converted to a byte primitive.
 * //from w  w w.  j  a  v  a2  s .  c  o  m
 * @param value
 *                The value validation is being performed on.
 * @param locale
 *                The locale to use to parse the number (system default if
 *                null)
 * @return the converted Byte value.
 */
public static Byte formatByte(String value, Locale locale) {
    Byte result = null;

    if (value != null) {
        NumberFormat formatter = null;
        if (locale != null) {
            formatter = NumberFormat.getNumberInstance(locale);
        } else {
            formatter = NumberFormat.getNumberInstance(Locale.getDefault());
        }
        formatter.setParseIntegerOnly(true);
        ParsePosition pos = new ParsePosition(0);
        Number num = formatter.parse(value, pos);

        // If there was no error and we used the whole string
        if (pos.getErrorIndex() == -1 && pos.getIndex() == value.length()) {
            if (num.doubleValue() >= Byte.MIN_VALUE && num.doubleValue() <= Byte.MAX_VALUE) {
                result = new Byte(num.byteValue());
            }
        }
    }

    return result;
}

---

From source file:org.crazydog.util.spring.NumberUtils.java

/**
 * Convert the given number into an instance of the given target class.
 *
 * @param number      the number to convert
 * @param targetClass the target class to convert to
 * @return the converted number/*from w w  w . j av  a 2s  .  c  om*/
 * @throws IllegalArgumentException if the target class is not supported
 *                                  (i.e. not a standard Number subclass as included in the JDK)
 * @see Byte
 * @see Short
 * @see Integer
 * @see Long
 * @see BigInteger
 * @see Float
 * @see Double
 * @see BigDecimal
 */
@SuppressWarnings("unchecked")
public static <T extends Number> T convertNumberToTargetClass(Number number, Class<T> targetClass)
        throws IllegalArgumentException {

    org.springframework.util.Assert.notNull(number, "Number must not be null");
    org.springframework.util.Assert.notNull(targetClass, "Target class must not be null");

    if (targetClass.isInstance(number)) {
        return (T) number;
    } else if (Byte.class == targetClass) {
        long value = number.longValue();
        if (value < Byte.MIN_VALUE || value > Byte.MAX_VALUE) {
            raiseOverflowException(number, targetClass);
        }
        return (T) new Byte(number.byteValue());
    } else if (Short.class == targetClass) {
        long value = number.longValue();
        if (value < Short.MIN_VALUE || value > Short.MAX_VALUE) {
            raiseOverflowException(number, targetClass);
        }
        return (T) new Short(number.shortValue());
    } else if (Integer.class == targetClass) {
        long value = number.longValue();
        if (value < Integer.MIN_VALUE || value > Integer.MAX_VALUE) {
            raiseOverflowException(number, targetClass);
        }
        return (T) new Integer(number.intValue());
    } else if (Long.class == targetClass) {
        BigInteger bigInt = null;
        if (number instanceof BigInteger) {
            bigInt = (BigInteger) number;
        } else if (number instanceof BigDecimal) {
            bigInt = ((BigDecimal) number).toBigInteger();
        }
        // Effectively analogous to JDK 8's BigInteger.longValueExact()
        if (bigInt != null && (bigInt.compareTo(LONG_MIN) < 0 || bigInt.compareTo(LONG_MAX) > 0)) {
            raiseOverflowException(number, targetClass);
        }
        return (T) new Long(number.longValue());
    } else if (BigInteger.class == targetClass) {
        if (number instanceof BigDecimal) {
            // do not lose precision - use BigDecimal's own conversion
            return (T) ((BigDecimal) number).toBigInteger();
        } else {
            // original value is not a Big* number - use standard long conversion
            return (T) BigInteger.valueOf(number.longValue());
        }
    } else if (Float.class == targetClass) {
        return (T) new Float(number.floatValue());
    } else if (Double.class == targetClass) {
        return (T) new Double(number.doubleValue());
    } else if (BigDecimal.class == targetClass) {
        // always use BigDecimal(String) here to avoid unpredictability of BigDecimal(double)
        // (see BigDecimal javadoc for details)
        return (T) new BigDecimal(number.toString());
    } else {
        throw new IllegalArgumentException("Could not convert number [" + number + "] of type ["
                + number.getClass().getName() + "] to unknown target class [" + targetClass.getName() + "]");
    }
}

---

From source file:org.lingcloud.molva.ocl.util.GenericTypeValidator.java

/**
 * Checks if the value can safely be converted to a byte primitive.
 * //  w ww .j a v a2s .  c  om
 * @param value
 *            The value validation is being performed on.
 * @param locale
 *            The locale to use to parse the number (system default if null)
 * @return the converted Byte value.
 */
public static Byte formatByte(String value, Locale locale) {
    Byte result = null;

    if (value != null) {
        NumberFormat formatter = null;
        if (locale != null) {
            formatter = NumberFormat.getNumberInstance(locale);
        } else {
            formatter = NumberFormat.getNumberInstance(Locale.getDefault());
        }
        formatter.setParseIntegerOnly(true);
        ParsePosition pos = new ParsePosition(0);
        Number num = formatter.parse(value, pos);

        // If there was no error and we used the whole string
        if (pos.getErrorIndex() == -1 && pos.getIndex() == value.length()) {
            if (num.doubleValue() >= Byte.MIN_VALUE && num.doubleValue() <= Byte.MAX_VALUE) {
                result = Byte.valueOf(num.byteValue());
            }
        }
    }

    return result;
}

---

From source file:org.joda.primitives.collection.impl.AbstractTestByteCollection.java

public Byte[] getFullNonNullElements() {
    return new Byte[] { new Byte((byte) 2), new Byte((byte) -2), new Byte((byte) 38), new Byte((byte) 0),
            new Byte((byte) 126), new Byte((byte) 202), new Byte(Byte.MIN_VALUE), new Byte(Byte.MAX_VALUE) };
}

---

From source file:org.sakaiproject.content.impl.serialize.impl.test.ByteStorageConversionCheck.java

@Test
public void testMaxMinConversion() {
    byte[] bin = new byte[2];
    char[] cin = new char[2];
    byte[] bout = new byte[2];

    bin[0] = Byte.MIN_VALUE;//from w  w w.  jav  a 2  s. c om
    bin[1] = Byte.MAX_VALUE;

    ByteStorageConversion.toChar(bin, 0, cin, 0, bin.length);
    ByteStorageConversion.toByte(cin, 0, bout, 0, cin.length);
    log.info("   Min Byte " + bin[0] + ": Stored as int[" + (int) cin[0] + "]  char[" + cin[0] + "]\n");
    log.info("   Max Byte " + bin[1] + ": Stored as int[" + (int) cin[1] + "]  char[" + cin[1] + "]\n");

    for (int i = 0; i < bin.length; i++) {
        if (bin[i] != bout[i]) {
            log.warn("Internal Byte conversion failed at " + bin[i] + "=>" + (int) cin[i] + "=>" + bout[i]);
        }
    }
}

---

From source file:com.qwazr.externalizor.SimplePrimitive.java

public SimplePrimitive() {

    intValue = RandomUtils.nextInt();//www  .j av  a  2 s.co m
    intArray = new int[] { RandomUtils.nextInt(), RandomUtils.nextInt(), RandomUtils.nextInt() };

    shortValue = (short) RandomUtils.nextInt(0, Short.MAX_VALUE);
    shortArray = new short[] { (short) RandomUtils.nextInt(0, Short.MAX_VALUE),
            (short) RandomUtils.nextInt(0, Short.MAX_VALUE), (short) RandomUtils.nextInt(0, Short.MAX_VALUE) };

    longValue = RandomUtils.nextLong();
    longArray = new long[] { RandomUtils.nextLong(), RandomUtils.nextLong(), RandomUtils.nextLong() };

    floatValue = RandomUtils.nextFloat();
    floatArray = new float[] { RandomUtils.nextFloat(), RandomUtils.nextFloat(), RandomUtils.nextFloat() };

    doubleValue = RandomUtils.nextDouble();
    doubleArray = new double[] { RandomUtils.nextDouble(), RandomUtils.nextDouble(), RandomUtils.nextDouble() };
    emptyDoubleArray = new double[0];

    booleanValue = RandomUtils.nextInt(0, 2) == 0;
    booleanArray = new boolean[RandomUtils.nextInt(0, 5)];
    for (int i = 0; i < booleanArray.length; i++)
        booleanArray[i] = RandomUtils.nextInt(0, 2) == 1;

    byteValue = (byte) RandomUtils.nextInt(0, Byte.MAX_VALUE);
    byteArray = new byte[] { (byte) RandomUtils.nextInt(0, Byte.MAX_VALUE),
            (byte) RandomUtils.nextInt(0, Byte.MAX_VALUE), (byte) RandomUtils.nextInt(0, Byte.MAX_VALUE) };

    charValue = (char) RandomUtils.nextInt(0, Character.MAX_VALUE);
    charArray = new char[] { (char) RandomUtils.nextInt(0, Character.MAX_VALUE),
            (char) RandomUtils.nextInt(0, Character.MAX_VALUE),
            (char) RandomUtils.nextInt(0, Character.MAX_VALUE) };

}

---

From source file:management.limbr.test.util.PojoTester.java

private Object getTestValueFor(Class<?> type) {
    if (type.equals(boolean.class) || type.equals(Boolean.class)) {
        return random.nextBoolean();
    } else if (type.equals(byte.class) || type.equals(Byte.class)) {
        return (byte) random.nextInt(Byte.MAX_VALUE);
    } else if (type.equals(short.class) || type.equals(Short.class)) {
        return (short) random.nextInt(Short.MAX_VALUE);
    } else if (type.equals(int.class) || type.equals(Integer.class)) {
        return random.nextInt();
    } else if (type.equals(long.class) || type.equals(Long.class)) {
        return random.nextLong();
    } else if (type.equals(char.class) || type.equals(Character.class)) {
        return (char) random.nextInt(Character.MAX_VALUE);
    } else if (type.equals(float.class) || type.equals(Float.class)) {
        return random.nextFloat();
    } else if (type.equals(double.class) || type.equals(Double.class)) {
        return random.nextDouble();
    } else if (type.equals(String.class)) {
        return Long.toString(random.nextLong());
    } else {// w w  w  .  j  ava2  s .  c  o  m
        return createRichObject(type);
    }
}

---

From source file:lineage2.gameserver.network.clientpackets.RequestExSendPost.java

/**
 * Method readImpl./*from   w w  w.j a  va2 s  . c  o  m*/
 */
@Override
protected void readImpl() {
    _recieverName = readS(35);
    _messageType = readD();
    _topic = readS(Byte.MAX_VALUE);
    _body = readS(Short.MAX_VALUE);
    _count = readD();
    if ((((_count * 12) + 4) > _buf.remaining()) || (_count > Short.MAX_VALUE) || (_count < 1)) {
        _count = 0;
        return;
    }
    _items = new int[_count];
    _itemQ = new long[_count];
    for (int i = 0; i < _count; i++) {
        _items[i] = readD();
        _itemQ[i] = readQ();
        if ((_itemQ[i] < 1) || (ArrayUtils.indexOf(_items, _items[i]) < i)) {
            _count = 0;
            return;
        }
    }
    _price = readQ();
    if (_price < 0) {
        _count = 0;
        _price = 0;
    }
}

---

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