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 byte[] hexStringToByteArray(String encoded) {
    if ((encoded.length() % 2) != 0)
        throw new IllegalArgumentException("Input string must contain an even number of characters");

    final byte result[] = new byte[encoded.length() / 2];
    final char enc[] = encoded.toCharArray();
    for (int i = 0; i < enc.length; i += 2) {
        StringBuilder curr = new StringBuilder(2);
        curr.append(enc[i]).append(enc[i + 1]);
        result[i / 2] = (byte) Integer.parseInt(curr.toString(), 16);
    }/*from  w  ww  .j av  a 2 s .  c o m*/
    return result;
}

From source file:Main.java

public static int expectedNumberOfSets(int setSize, int subSetSize) {
    if (setSize < subSetSize) {
        // Not enough sources
        throw new IllegalArgumentException(
                "Cannot create subsets of size " + subSetSize + " out of set of size " + setSize);
    }/*from  w  w  w . j  a  v  a 2 s.c o m*/
    int expectedNumberOfSets = 1;
    int divider = 1;
    for (int i = 0; i < (setSize - subSetSize); i++) {
        expectedNumberOfSets *= setSize - i;
        divider *= i + 1;
    }
    return expectedNumberOfSets / divider;
}

From source file:Main.java

public static int numberOfBytesToEncodeLength(long length) {
    if (length < 0)
        throw new IllegalArgumentException("Length is negative: " + length);
    if (length < (1 << 7 - 1))
        return 1;
    if (length < (1 << 14 - 1))
        return 2;
    if (length < (1 << 21 - 1))
        return 3;
    if (length < (1 << 28 - 1))
        return 4;
    if (length < (1 << 35 - 1))
        return 5;
    if (length < (1 << 42 - 1))
        return 6;
    if (length < (1 << 49 - 1))
        return 7;
    if (length < (1 << 56 - 1))
        return 8;
    throw new IllegalArgumentException("Length exceeds maximum: " + length);
}

From source file:Main.java

public static void hideView(View view) {
    if (view != null) {
        view.setVisibility(View.GONE);
    } else {//from w ww.  j av a2s  .  c  om
        throw new IllegalArgumentException("A view is null in your parameter.");
    }
}

From source file:Main.java

public static byte[] getBytes(final String data, String charset) {

    if (data == null) {
        throw new IllegalArgumentException("data may not be null");
    }//from  ww w . j a v a 2  s. co  m

    if (charset == null || charset.length() == 0) {
        throw new IllegalArgumentException("charset may not be null or empty");
    }

    try {
        return data.getBytes(charset);
    } catch (UnsupportedEncodingException e) {
        throw new IllegalArgumentException(String.format("Unsupported encoding: %s", charset));
    }
}

From source file:Main.java

public static <T> T checkNullArgument(T reference, @Nullable Object errorMessage) {
    if (reference == null) {
        throw new IllegalArgumentException(String.valueOf(errorMessage));
    }/*from w w  w .  j av a2 s .com*/
    return reference;
}

From source file:Main.java

public synchronized static void sortTwoArrays(Double[] queryList, Double[] secondList) {
    if (queryList.length != secondList.length) {
        throw new IllegalArgumentException("The lists have to be of equal size!");
    }/*from  w  w w.  j  av  a  2 s  . c o m*/
    int n = queryList.length;
    for (int i = 0; i < n; i++) {
        for (int j = n - 1; j > i; j--) {
            double one = queryList[j - 1].doubleValue();
            double two = queryList[j].doubleValue();
            if (one > two) {
                queryList[j - 1] = two;
                queryList[j] = one;

                Double temp = secondList[j - 1];
                secondList[j - 1] = secondList[j];
                secondList[j] = temp;
            }
        }
    }
}

From source file:Main.java

public static int index(int bar, int beat) {
    if (beat == 1) {
        return bar * 2;
    } else if (beat == 5) {
        return bar * 2 + 1;
    }//from  w ww  .j av a 2  s . c  om
    throw new IllegalArgumentException("only beats 1 and 5 allowed, but was " + beat);
}

From source file:Main.java

public static <E> List<E> limitResults(List<E> list, int maxIndex) {
    if (maxIndex < 0) {
        throw new IllegalArgumentException("Expected non negative max index, received " + maxIndex); //$NON-NLS-1$
    }//  w w  w  . j  a v a  2 s .c  o m
    if (maxIndex > 0 && maxIndex <= list.size()) {
        return list.subList(0, maxIndex);
    }
    return list;
}

From source file:Main.java

public static void removeActivityBackgroundCompat(Activity activity) {
    if (activity == null) {
        throw new IllegalArgumentException("Activity is null");
    }/*from   w  ww  .j a  va 2s  . c om*/

    if (Build.VERSION.SDK_INT >= 16) {
        activity.getWindow().getDecorView().setBackground(null);
    } else {
        activity.getWindow().getDecorView().setBackgroundDrawable(null);
    }
}