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 Date parseSqliteFormattedDateTime(String sqliteFormattedDateTime)
        throws IllegalArgumentException {
    try {/*ww  w  .  j  a v a 2 s.c  o  m*/
        return DateFormat.getInstance().parse(sqliteFormattedDateTime);
    } catch (ParseException e) {
        throw new IllegalArgumentException("Unrecognized date-time format: " + sqliteFormattedDateTime);
    }
}

From source file:Main.java

public static String getProjectByUrl(String url) {
    Pattern pattern = Pattern.compile("https://(\\p{Ll}+).(.*)", Pattern.CASE_INSENSITIVE);
    Matcher matcher = pattern.matcher(url);
    if (!matcher.matches())
        throw new IllegalArgumentException("Regex fail. not matched. Url: " + url);

    return matcher.group(1);
}

From source file:Main.java

public static ExecutorService newFixedThreadPool(int threadSize) {
    if (threadSize <= 0) {
        throw new IllegalArgumentException("ThreadSize must be greater than 0!");
    }//  w w  w.j av  a  2s  .  co m
    if (threadSize == 1) {
        return MoreExecutors.sameThreadExecutor();

    }
    return new ThreadPoolExecutor(threadSize - 1, threadSize - 1, 0L, TimeUnit.MILLISECONDS,
            new SynchronousQueue<Runnable>(), new ThreadPoolExecutor.CallerRunsPolicy());
}

From source file:Main.java

/**
 * Validate given argument isn't null.//from  w ww.ja  v a  2  s.c o m
 *
 * @param arg argument to validate
 * @param argName name of the argument to show in error message
 * @throws IllegalArgumentException
 */
public static void notNull(Object arg, String argName) {
    if (arg == null) {
        throw new IllegalArgumentException("argument is null: " + argName);
    }
}

From source file:Main.java

public static String filterOutSoapHeader(String xml) {
    int start = xml.indexOf("<soap:Header>");
    if (start < 0) {
        return xml;
    }/* w w w  .ja  v a 2 s.co  m*/

    int end = xml.indexOf("</soap:Header>");
    if (end < 0) {
        throw new IllegalArgumentException("Close tag for SOAP header not presented");
    }

    String part1 = xml.substring(0, start);
    String part2 = xml.substring(end + "</soap:Header>".length());
    return part1 + part2;
}

From source file:Main.java

public static int[] generateCompactWindowNaf(int width, BigInteger k) {
    if (width == 2) {
        return generateCompactNaf(k);
    }/*from  w w w. ja va  2s . c  o m*/

    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");
    }

    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

@SuppressWarnings("unchecked")
public static <K, V> Map<K, V> castMap(Object obj) {
    if (obj == null) {
        return new HashMap<>();
    }//from ww w .  j  a v  a 2  s.  co  m

    if (obj instanceof Map) {
        return (Map<K, V>) obj;
    } else {
        throw new IllegalArgumentException("Expected [" + obj + "] to be a Map");
    }
}

From source file:Main.java

@SuppressWarnings("unchecked")
public static <K, V> Map<K, V> castMap(Object obj) {
    if (obj == null) {
        return new HashMap<K, V>();
    }/*from   ww  w .j a va 2  s  .c om*/

    if (obj instanceof Map) {
        return (Map<K, V>) obj;
    } else {
        throw new IllegalArgumentException("Expected [" + obj + "] to be a Map");
    }
}

From source file:Main.java

public static Rect getLocationInView(View parent, View child) {
    if (child == null || parent == null) {
        throw new IllegalArgumentException("parent and child can not be null .");
    }/*from  w w  w.  j  a  v a2s  .co m*/

    View decorView = null;
    Context context = child.getContext();
    if (context instanceof Activity) {
        decorView = ((Activity) context).getWindow().getDecorView();
    }

    Rect result = new Rect();
    Rect tmpRect = new Rect();

    View tmp = child;

    if (child == parent) {
        child.getHitRect(result);
        return result;
    }
    while (tmp != decorView && tmp != parent) {
        tmp.getHitRect(tmpRect);
        if (!tmp.getClass().equals(FRAGMENT_CON)) {
            result.left += tmpRect.left;
            result.top += tmpRect.top;
        }
        tmp = (View) tmp.getParent();
    }
    result.right = result.left + child.getMeasuredWidth();
    result.bottom = result.top + child.getMeasuredHeight();
    return result;
}

From source file:Main.java

/**
 * @return the child element, throws exception if the parent does not
 *          have exactly one sub element with name
 *///w  w w .  j  av a  2 s .  co m
public static Element getSingleSubElement(Element parentElement, String name) {
    NodeList nodes = parentElement.getElementsByTagName(name);
    if (nodes.getLength() != 1) {
        throw new IllegalArgumentException("Expected the element " + parentElement.getNodeName()
                + " to have one child called " + name + " but found " + nodes.getLength());
    }
    return (Element) nodes.item(0);
}