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 Short byteArrayToShort(byte[] bytes) {
    if (bytes.length != (Short.SIZE / Byte.SIZE)) {
        throw new IllegalArgumentException("Incorrect array size to convert to a short");
    }//from w w w . jav  a 2s .  c  o m
    ByteBuffer buffer = ByteBuffer.wrap(bytes);
    buffer.order(ByteOrder.BIG_ENDIAN);
    return buffer.getShort();
}

From source file:Main.java

public static Short byteArrayToShortLE(byte[] bytes) {
    if (bytes.length != (Short.SIZE / Byte.SIZE)) {
        throw new IllegalArgumentException("Incorrect array size to convert to a short");
    }/*w w w  .jav a 2 s  .  c o m*/
    ByteBuffer buffer = ByteBuffer.wrap(bytes);
    buffer.order(ByteOrder.LITTLE_ENDIAN);
    return buffer.getShort();
}

From source file:Main.java

public static BigInteger byteArrayToBigInteger(byte[] b, int offset, int length) {
    if (b.length < offset + length) {
        throw new IllegalArgumentException("offset + length must be less than or equal to b.length");
    }/* www . j  a  v  a2s  . c om*/

    BigInteger value = BigInteger.valueOf(0);
    for (int i = 0; i < length; i++) {
        value = value.shiftLeft(8);
        value = value.add(BigInteger.valueOf(b[i + offset] & 0x000000ff));
    }
    return value;
}

From source file:Main.java

public static String getIdNameFromId(String pId) {
    if (pId.startsWith("@+id/")) {
        return pId.substring(5);
    } else if (pId.startsWith("@id/")) {
        return pId.substring(4);
    }//from   www  .j  a  v a2 s.co m
    throw new IllegalArgumentException("Wrong id structure: " + pId);
}

From source file:Main.java

public static <T> T findLastItemAtPosition(SortedSet<T> queryResult, int itemPosition) {
    if (queryResult == null || queryResult.isEmpty())
        throw new IllegalArgumentException("Provided result set is 'null' or empty.");

    Iterator<T> resultSetIterator = queryResult.iterator();
    int nbItemInList = 0;
    T lastItem = null;//from w  ww. j av  a 2  s  .  c  o m
    while (resultSetIterator.hasNext() && nbItemInList++ < itemPosition)
        lastItem = resultSetIterator.next();
    return lastItem;
}

From source file:Main.java

public static <E> E getSingleElement(List<E> list) {
    if (list == null) {
        return null;
    }/*from w  ww .j  av  a  2  s . co  m*/

    int listSize = list.size();
    if (listSize > 1) {
        throw new IllegalArgumentException("Expected only one entry in the list.");
    }

    return listSize == 1 ? list.get(0) : null;
}

From source file:Main.java

public static byte[] hexStringToBytes(String hexString) {
    if (hexString.length() % 2 != 0)
        throw new IllegalArgumentException("Hex string length must be even: " + hexString);
    byte[] bytes = new byte[hexString.length() / 2];
    char[] ucChars = hexString.toUpperCase().toCharArray();
    for (int i = 0; i < bytes.length; i++) {
        int index1 = HEX_CHARS_STRING.indexOf(ucChars[2 * i]);
        int index2 = HEX_CHARS_STRING.indexOf(ucChars[2 * i + 1]);
        if (index1 == -1 || index2 == -1)
            throw new IllegalArgumentException("Non-hex character in string: " + hexString);
        bytes[i] = (byte) ((index1 << 4) + index2);
    }/*  w  ww.j  a v  a 2  s .c  o m*/
    return bytes;
}

From source file:Main.java

public static Document file2Document(File file) throws Exception {
    if (file == null || !file.exists()) {
        throw new IllegalArgumentException("File must exist![" + file == null ? "NULL"
                : ("Could not be found: " + file.getAbsolutePath()) + "]");
    }//ww  w  .j a  v  a2  s  . c  o m
    DocumentBuilderFactory dbFactory = DocumentBuilderFactory.newInstance();
    dbFactory.setNamespaceAware(true);
    return dbFactory.newDocumentBuilder().parse(new FileInputStream(file));
}

From source file:Main.java

public static void hideKeyboard(Context context, View view) {
    if (context == null) {
        throw new IllegalArgumentException("context cannot be null");
    }//www. j  av a2 s .co  m
    if (view == null) {
        throw new IllegalArgumentException("view cannot be null");
    }
    InputMethodManager mgr = (InputMethodManager) context.getSystemService(Context.INPUT_METHOD_SERVICE);
    mgr.hideSoftInputFromWindow(view.getWindowToken(), 0);
}

From source file:Main.java

public static int base32CharToValue(char base32Char) {
    int value = BASE32_CHARS.indexOf(base32Char);
    if (value == -1) {
        throw new IllegalArgumentException("Not a valid base32 char: " + base32Char);
    } else {//from  w w w.  j  av  a  2s  .c om
        return value;
    }
}