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 final void checkBuffer(final ByteBuffer buffer) {
    if (buffer == null) {
        throw new IllegalArgumentException("buffer == null");
    }/* w ww  . j a  v a  2s  .  c  o  m*/
    if (!buffer.isDirect()) {
        throw new IllegalArgumentException("must use DirectByteBuffer");
    }
}

From source file:Main.java

public static Window showCentered(Component parent, Window window) {
    if (null == window)
        throw new IllegalArgumentException("window null");

    if (window instanceof Dialog) {
        Dialog dialog = (Dialog) window;

        boolean isResizable = dialog.isResizable();

        dialog.setResizable(true);//from www.  j a  v a2s.c  o  m
        dialog.pack();
        dialog.setResizable(isResizable);
    } else {
        window.pack();
    }

    Dimension windowSize = window.getPreferredSize();

    int newX;
    int newY;

    if (null == parent) {
        Dimension screen = Toolkit.getDefaultToolkit().getScreenSize();

        newX = (screen.width - windowSize.width) / 2;
        newY = (screen.height - windowSize.height) / 2;
    } else {
        Dimension parentSize = parent.getSize();
        Point loc = parent.getLocation();

        newX = (parentSize.width - windowSize.width) / 2 + loc.x;
        newY = (parentSize.height - windowSize.height) / 2 + loc.y;

        if (0 > newX)
            newX = 0;
        if (0 > newY)
            newY = 0;
    }

    window.setLocation(newX, newY);
    window.setVisible(true);

    return window;
}

From source file:Main.java

/**
 * @param hexChars A String containing an EVEN number of hex
 *                      characters./*w  ww. j ava  2 s  .c om*/
 */
public static String hexCharsToOctalOctets(String hexChars) {
    int chars = hexChars.length();
    if (chars != (chars / 2) * 2) {
        throw new IllegalArgumentException(
                "Hex character lists contains " + "an odd number of characters: " + chars);
    }
    StringBuffer sb = new StringBuffer();
    char c;
    int octet;
    for (int i = 0; i < chars; i++) {
        octet = 0;
        c = hexChars.charAt(i);
        if (c >= 'a' && c <= 'f') {
            octet += 10 + c - 'a';
        } else if (c >= 'A' && c <= 'F') {
            octet += 10 + c - 'A';
        } else if (c >= '0' && c <= '9') {
            octet += c - '0';
        } else {
            throw new IllegalArgumentException("Non-hex character in input at offset " + i + ": " + c);
        }
        octet = octet << 4;
        c = hexChars.charAt(++i);
        if (c >= 'a' && c <= 'f') {
            octet += 10 + c - 'a';
        } else if (c >= 'A' && c <= 'F') {
            octet += 10 + c - 'A';
        } else if (c >= '0' && c <= '9') {
            octet += c - '0';
        } else {
            throw new IllegalArgumentException("Non-hex character in input at offset " + i + ": " + c);
        }

        sb.append('\\');
        sb.append((char) ('0' + (octet >> 6)));
        sb.append((char) ('0' + ((octet >> 3) & 7)));
        sb.append((char) ('0' + (octet & 7)));
    }
    return sb.toString();
}

From source file:Main.java

private static byte[] transStreamToBytes(InputStream is, int buffSize) {
    if (is == null) {
        return null;
    }/*from   w  w w  .  j  a v a  2 s.c  o m*/
    if (buffSize <= 0) {
        throw new IllegalArgumentException("buffSize can not less than zero.....");
    }
    byte[] data = null;
    byte[] buffer = new byte[buffSize];
    int actualSize = 0;
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    try {
        while ((actualSize = is.read(buffer)) != -1) {
            baos.write(buffer, 0, actualSize);
        }
        data = baos.toByteArray();
    } catch (IOException e) {
        e.printStackTrace();
    } finally {
        try {
            baos.close();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
    return data;
}

From source file:Main.java

/**
 * Creates a Map out of an array with Strings.
 * //from w w w.  j  a v a 2s  .  co m
 * @param strings input strings, key-value alternating
 * @return a parameter map
 */
public static Map<String, String> map(final String... strings) {
    if (strings.length % 2 != 0) {
        throw new IllegalArgumentException("strings.length % 2 != 0");
    }
    final Map<String, String> sMap = new HashMap<String, String>();
    for (int i = 0; i < strings.length; i += 2) {
        sMap.put(strings[i], strings[i + 1]);
    }
    return sMap;
}

From source file:Main.java

public static Method[] convertStringsToMethods(Class clazz, String[] methodNames) {
    Method[] methods = new Method[methodNames.length];
    for (int i = 0; i < methods.length; i++) {
        Method m = getMethod(clazz, methodNames[i]);
        if (m == null) {
            throw new IllegalArgumentException("Not found method. methodName: " + methodNames[i]);
        }//from w w w  . j a va 2 s. c  o m
        methods[i] = m;
    }
    return methods;
}

From source file:Main.java

@SuppressWarnings("unchecked")
public static <T> Map<T, Object> asMap(T key, Object... values) {
    Map<T, Object> result = new LinkedHashMap<T, Object>();

    if (values == null || values.length % 2 == 0) {
        throw new IllegalArgumentException("value[] must be not null and an odd length");
    }/*from  w ww. j ava 2s  .  c  om*/

    result.put(key, values[0]);
    for (int i = 1; i < values.length; i += 2) {
        result.put((T) values[i], values[i + 1]);
    }

    return result;
}

From source file:Main.java

public static int getMeasuredWidth(View view) {
    if (view == null) {
        throw new IllegalArgumentException("view is null");
    }//from  w w  w  .  ja va  2s.c  o m

    view.measure(0, 0);
    return view.getMeasuredWidth();
}

From source file:Main.java

public static Color getRandColor(int threashold) {
    if (threashold < 0 || threashold > 255)
        throw new IllegalArgumentException("Threashold is not between 0 and 255");
    int secondOperand = 255 - threashold;
    return new Color((int) (Math.random() * secondOperand) + threashold,
            (int) (Math.random() * secondOperand) + threashold,
            (int) (Math.random() * secondOperand) + threashold);
}

From source file:Main.java

public static boolean hasNewVersion(Context context, String pkgName, int versionCodeNew) {
    if (null == context) {
        throw new IllegalArgumentException("context may not be null.");
    }//from  w  w w  .j  a  va2  s . c  o  m
    try {
        int versionCode = getVersionCode(context, pkgName);
        if (versionCode < versionCodeNew) {
            return true;
        }
    } catch (Exception e) {
    }
    return false;
}