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

private static String getSafePrintChars(byte[] byteArray) {
    if (byteArray == null) {
        // return "" instead?
        throw new IllegalArgumentException("Argument 'byteArray' cannot be null");
    }/*  w  w w  . j  a  v a 2s. c o m*/
    return getSafePrintChars(byteArray, 0, byteArray.length);
}

From source file:Main.java

public static void assertNotNull(Object o, String errMsg) {
    if (o == null) {
        throw new IllegalArgumentException(errMsg);
    }/*from   ww w . j  a  va 2  s . com*/
}

From source file:Main.java

public static int countMatches(String res, String findString) {
    if (res == null) {
        return 0;
    }// ww w.  j a v  a  2 s.  c  o m

    if (findString == null || findString.length() == 0) {
        throw new IllegalArgumentException("The param findString cannot be null or 0 length.");
    }

    return (res.length() - res.replace(findString, "").length()) / findString.length();
}

From source file:Main.java

public static Object get(Context context, String name) {
    if (context == null || name == null) {
        throw new IllegalArgumentException("Context and key must not be null");
    }/*from   w ww . j a  v a 2 s  .com*/
    Object systemService = context.getSystemService(name);
    if (systemService == null) {
        context = context.getApplicationContext();
        systemService = context.getSystemService(name);
    }
    if (systemService == null) {
        throw new IllegalStateException(name + " not available");
    }
    return systemService;
}

From source file:Main.java

public static <T> Stream<List<T>> batches(List<T> source, int length) {
    if (length <= 0)
        throw new IllegalArgumentException("length = " + length);
    int size = source.size();
    if (size <= 0)
        return Stream.empty();
    int fullChunks = (size - 1) / length;
    return IntStream.range(0, fullChunks + 1)
            .mapToObj(n -> source.subList(n * length, n == fullChunks ? size : (n + 1) * length));
}

From source file:Main.java

public static byte[] uint32ToByteArray(long src) throws IllegalArgumentException {
    if (src < 0 || src > UINT32_MAX) {
        throw new IllegalArgumentException("the input value " + src + " is out of the range of uint32");
    }//w ww  .  j a v  a 2  s.c o m

    byte[] dest = new byte[4];
    int mask = 0xff;

    for (int i = 0; i < 4; i++) {
        dest[i] = (byte) ((src >> (i * 8)) & mask);
    }

    return dest;
}

From source file:Main.java

/**
 * Converts absolute command's byte array an argb color integer
 *///from w  w  w.java 2 s.  c  o m
public static int bufferToInt(byte[] buffer, int size) {
    if (null == buffer || buffer.length != size) {
        throw new IllegalArgumentException("Buffer must be of size: " + size);
    }
    return (0xFF << 24) | (buffer[0] << 16) | (buffer[1] << 8) | buffer[2];
}

From source file:Main.java

public static Color toColor(Node n) {
    if (!n.getNodeName().equals("color")) {
        throw new IllegalArgumentException(n.getNodeName());
    }/*from  w w w.  j a v a 2  s.c  om*/
    NamedNodeMap map = n.getAttributes();
    String s = map.getNamedItem("name").getNodeValue();
    if (s.equals("white")) {
        return Color.WHITE;
    } else if (s.equals("green")) {
        return Color.GREEN;
    } else if (s.equals("pink")) {
        return Color.PINK;
    } else if (s.equals("cyan")) {
        return Color.CYAN;
    } else if (s.equals("yellow")) {
        return Color.YELLOW;
    } else {
        return Color.WHITE;
    }
}

From source file:Main.java

public static Number getNumber(Collection<?> list) {
    Object obj = getUnique(list);
    if (obj instanceof Number)
        return ((Number) obj);
    throw new IllegalArgumentException("list result is not instanceof Number");
}

From source file:Main.java

public static void mapAction(JComponent c, int condition, KeyStroke keyStroke, Action action) {
    Object key = action.getValue(Action.NAME);
    if (key == null)
        throw new IllegalArgumentException("The provided action must " + "have a name defined");
    mapAction(c, condition, key, keyStroke, action);
}