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 double roundDouble(double v, int scale) {

    if (scale < 0) {

        throw new IllegalArgumentException(

                "The scale must be a positive integer or zero");

    }/*  ww w . ja  v  a  2 s.  c o m*/

    BigDecimal b = new BigDecimal(Double.toString(v));

    BigDecimal one = new BigDecimal("1");

    return b.divide(one, scale, BigDecimal.ROUND_HALF_UP).doubleValue();

}

From source file:Main.java

public static byte[] copyOfRange(byte[] original, int from, int to) {
    int newLength = to - from;
    if (newLength < 0)
        throw new IllegalArgumentException("");
    byte[] copy = new byte[newLength];
    System.arraycopy(original, from, copy, 0, Math.min(original.length - from, newLength));

    return copy;//  w  w  w.jav a 2  s. c  o m

}

From source file:Main.java

public static void setNdHide(View view, Object isHide) {
    if (!(isHide instanceof Boolean)) {
        throw new IllegalArgumentException("isHide must be boolean in setNdHide(isHide)!");
    }/*from  ww w .j  av a2 s.  c o m*/
    if ((Boolean) isHide) {
        view.setVisibility(View.GONE);
    } else {
        view.setVisibility(View.VISIBLE);
    }
}

From source file:Main.java

public static byte[] copyOfRange(byte[] original, int from, int to) {
    int newLength = to - from;
    if (newLength < 0) {
        throw new IllegalArgumentException(from + " > " + to);
    } else {//ww w. j  a  v a 2s .  c om
        byte[] copy = new byte[newLength];
        System.arraycopy(original, from, copy, 0, Math.min(original.length - from, newLength));
        return copy;
    }
}

From source file:Main.java

public static String getAsciiString(final byte[] data) {
    if (data == null) {
        throw new IllegalArgumentException("Parameter may not be null");
    }/*w ww. ja v  a  2 s  . c om*/

    try {
        return new String(data, "US-ASCII");
    } catch (UnsupportedEncodingException e) {
        throw new RuntimeException(e);
    }
}

From source file:Main.java

public static long parseNumber(byte[] buf, int len, boolean bigEndian) {
    if (buf == null || buf.length == 0) {
        throw new IllegalArgumentException("byte array is null or empty!");
    }/*from w  w  w.ja v a  2  s  .co m*/

    int mlen = Math.min(len, buf.length);
    long r = 0;
    if (bigEndian)
        for (int i = 0; i < mlen; i++) {
            r <<= 8;
            r |= (buf[i] & 0xff);
        }
    else
        for (int i = mlen - 1; i >= 0; i--) {
            r <<= 8;
            r |= (buf[i] & 0xff);
        }
    return r;
}

From source file:Main.java

public static byte[] hexStringToByteArray(String s) {
    if ((s.length() % 2) != 0) {
        throw new IllegalArgumentException("Bad input string: " + s);
    }//from  w  w  w . ja v a2 s.  co m

    int len = s.length();
    byte[] data = new byte[len / 2];
    for (int i = 0; i < len; i += 2) {
        data[i / 2] = (byte) ((Character.digit(s.charAt(i), 16) << 4) + Character.digit(s.charAt(i + 1), 16));
    }
    return data;
}

From source file:Main.java

public static String[] splitQName(String qualifiedName) {
    if (qualifiedName == null) {
        throw new IllegalArgumentException("Null QName");
    }/* w w w  .j  a v  a2 s  .  co m*/
    int idx = qualifiedName.indexOf(':');
    String[] parts = { null, null };
    if (idx >= 0) {
        parts[0] = qualifiedName.substring(0, idx);
        parts[1] = qualifiedName.substring(idx + 1);
    } else {
        parts[0] = XMLConstants.DEFAULT_NS_PREFIX;
        parts[1] = qualifiedName;
    }
    return parts;
}

From source file:Main.java

public static void assertDir(File candidate) {
    if (!candidate.exists()) {
        throw new IllegalArgumentException(candidate.getPath() + " does not exist.");
    }// w w w  . ja  v a 2  s .co  m
    if (!candidate.isDirectory()) {
        throw new IllegalArgumentException(candidate + " is not a directory.");
    }
}

From source file:Main.java

static <T> void validateInterface(Class<T> clientInterface) {
    if (!clientInterface.isInterface()) {
        throw new IllegalArgumentException("Monkey, debe ser una interfaz");
    }//  ww w  . ja v  a  2  s . c om

    if (clientInterface.getInterfaces().length > 0) {
        throw new IllegalArgumentException("Monkey, no debe implementar de otra interfaz");
    }
}