Example usage for java.lang IllegalArgumentException IllegalArgumentException

Introduction

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

Prototype

public IllegalArgumentException(Throwable cause)

Source Link

Document

Constructs a new exception with the specified cause and a detail message of (cause==null ?

Usage

From source file:Main.java

public static Window getOwnerWindow(Component component) {
    if (component instanceof Window) {
        return (Window) component;
    }/*ww  w.j av a 2  s.  co m*/
    Container parent = component.getParent();
    while (!(parent instanceof Window)) {
        parent = parent.getParent();
        if (parent == null) {
            throw new IllegalArgumentException("Component has no root window.");
        }
    }
    return (Window) parent;
}

From source file:Main.java

public static void assertRequiredArgs(Object[] methodArgs, int requiredArgs, String methodName)
        throws IllegalArgumentException {
    if (methodArgs == null) {
        throw new IllegalArgumentException(
                String.format("Expected %d arguments for %s, got 0", requiredArgs, methodName));
    } else if (methodArgs.length < requiredArgs) {
        throw new IllegalArgumentException(String.format("Expected %d arguments for %s, got %d", requiredArgs,
                methodName, methodArgs.length));
    }/*from   w w w.j  av a 2  s. c  o m*/
}

From source file:Main.java

public static int[] generateCompactWindowNaf(int width, BigInteger k) {
    if (width == 2) {
        return generateCompactNaf(k);
    }//from  w w w .j a v  a2 s .com

    if (width < 2 || width > 16) {
        throw new IllegalArgumentException("'width' must be in the range [2, 16]");
    }
    if ((k.bitLength() >>> 16) != 0) {
        throw new IllegalArgumentException("'k' must have bitlength < 2^16");
    }
    if (k.signum() == 0) {
        return EMPTY_INTS;
    }

    int[] wnaf = new int[k.bitLength() / width + 1];

    // 2^width and a mask and sign bit set accordingly
    int pow2 = 1 << width;
    int mask = pow2 - 1;
    int sign = pow2 >>> 1;

    boolean carry = false;
    int length = 0, pos = 0;

    while (pos <= k.bitLength()) {
        if (k.testBit(pos) == carry) {
            ++pos;
            continue;
        }

        k = k.shiftRight(pos);

        int digit = k.intValue() & mask;
        if (carry) {
            ++digit;
        }

        carry = (digit & sign) != 0;
        if (carry) {
            digit -= pow2;
        }

        int zeroes = length > 0 ? pos - 1 : pos;
        wnaf[length++] = (digit << 16) | zeroes;
        pos = width;
    }

    // Reduce the WNAF array to its actual length
    if (wnaf.length > length) {
        wnaf = trim(wnaf, length);
    }

    return wnaf;
}

From source file:Main.java

public static int ulongToInt(long value) {
    if (value <= MAX_UNSIGNED_INT_VALUE) {
        if (value >= MAX_UNSIGNED_INT_VALUE / 2) {
            return (int) (~(MAX_UNSIGNED_INT_VALUE - value) + 1);
        } else {//  w  w  w .j  a  v  a2s. com
            return (int) value;
        }
    } else {
        throw new IllegalArgumentException("Value out of range for a int");
    }
}

From source file:Main.java

public static String decode(final String content, final String encoding) {
    try {/*from  ww w  . j a  va2 s  .co  m*/
        return URLDecoder.decode(content, encoding != null ? encoding : DEFAULT_CONTENT_CHARSET);
    } catch (UnsupportedEncodingException problem) {
        throw new IllegalArgumentException(problem);
    }
}

From source file:Main.java

public static Date readDate(StringReader reader, char delimiter) throws ParseException {
    String date = readString(reader, ',');
    try {/*from   w  ww  .ja va2  s .  com*/
        return new SimpleDateFormat("H.mm").parse(date);
    } catch (ParseException e) {
        throw new IllegalArgumentException(
                "Malformed Compressed Market Data: Could not parse the date from " + date);
    }
}

From source file:Main.java

/**
 * This method converts the hours in milliseconds.<br>
 * @param hours {@link Integer} to convert in milliseconds.
 * @return {@link Long} number representing the milliseconds of hours given.
 * @throws IllegalArgumentException {@link Exception} if argument given is less of zero.
 *///from   w  ww .  ja  v a 2s  . c  o  m
public static long getMillisecondFromHours(int hours) throws IllegalArgumentException {
    if (hours < 0)
        throw new IllegalArgumentException("Hours given can not be less of zero.");

    return hours * 1000 * 60 * 60;
}

From source file:Main.java

public static byte[] genRandomBytes(int len) {
    if (len <= 0) {
        throw new IllegalArgumentException("Length must > 0: " + len);
    }// w  w w .j  a v a 2s . c o  m
    byte[] ret = new byte[len];
    for (int i = 0; i < ret.length; i++) {
        ret[i] = (byte) random.nextInt(256);
    }
    return ret;
}

From source file:Main.java

public static int getInFormat(int inChannels) {
    switch (inChannels) {
    case 1://from  ww w .  ja v a2  s  .  co  m
        return AudioFormat.CHANNEL_IN_MONO;
    case 2:
        return AudioFormat.CHANNEL_IN_STEREO;
    default:
        throw new IllegalArgumentException("illegal number of input channels: " + inChannels);
    }
}

From source file:Main.java

public static Date getFormattedDate(String dateString) {
    try {//from www.ja  va2s  .c  om
        return dateFormat.parse(dateString);
    } catch (ParseException e) {
        e.printStackTrace();
    }
    throw new IllegalArgumentException("Invalid date string " + dateString);
}