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 <T> void removeWithoutUsingRemoveMethod(List<T> list, int index) {
    if (index < 0 || index >= list.size()) {
        throw new IllegalArgumentException("index out of range");
    }// w  ww .j a  v  a  2 s  .  c  o  m
    List<T> part1 = new ArrayList<T>(list.subList(0, index));
    List<T> part2 = new ArrayList<T>(list.subList(index + 1, list.size()));
    list.clear();
    list.addAll(part1);
    list.addAll(part2);
}

From source file:Main.java

public static <E extends View> E findViewById(View view, @IdRes int resId) {
    if (null == view)
        throw new IllegalArgumentException("The argument view can not be null,please check your argument!");
    //noinspection unchecked
    return (E) view.findViewById(resId);
}

From source file:Main.java

public static short uintToShort(int value) {
    if (value <= MAX_UNSIGNED_SHORT_VALUE) {
        if (value >= MAX_UNSIGNED_SHORT_VALUE / 2) {
            return (short) (~(MAX_UNSIGNED_SHORT_VALUE - value) + 1);
        } else {//from  w  w  w.  j a  va2 s  .  c  o  m
            return (short) value;
        }
    } else {
        throw new IllegalArgumentException("Value out of range for a short");
    }
}

From source file:Main.java

/**
 * Set user data to account//from w w w.j  a  va  2 s.c om
 * @param context context
 * @param account account
 * @param key key
 * @param value value
 */
public static void setUserData(Context context, Account account, String key, String value) {
    if (account == null)
        throw new IllegalArgumentException("account cannot be null");
    AccountManager accountManager = AccountManager.get(context);
    accountManager.setUserData(account, key, value);
}

From source file:Main.java

public static String getFilePathByContentResolver(Context context, Uri uri) {
    if (null == uri) {
        return null;
    }/*w  w  w  .  jav  a 2  s .c  o  m*/
    Cursor c = context.getContentResolver().query(uri, null, null, null, null);
    String filePath = null;
    if (null == c) {
        throw new IllegalArgumentException("Query on " + uri + " returns null result.");
    }
    try {
        if ((c.getCount() != 1) || !c.moveToFirst()) {
        } else {
            filePath = c.getString(c.getColumnIndexOrThrow(MediaStore.MediaColumns.DATA));
        }
    } finally {
        c.close();
    }
    return filePath;
}

From source file:Main.java

public static Element getSingleOptionalChildElement(Element parent, Enum<?> child) {
    final String elName = getXmlName(child);
    final NodeList list = parent.getElementsByTagName(elName);
    if (list.getLength() == 1) {
        return (Element) list.item(0);
    }/*from w  w  w  .java2s  .c om*/
    if (list.getLength() == 0) {
        return null;
    }
    throw new IllegalArgumentException("expected a single " + elName + " child element of XML element "
            + parent.getNodeName() + ", but found " + list.getLength());
}

From source file:Main.java

private static String decode(final String content, final String encoding) {
    try {//from   ww w.ja  v a  2  s  . co  m
        return URLDecoder.decode(content, encoding != null ? encoding : DEFAULT_CONTENT_CHARSET);
    } catch (UnsupportedEncodingException problem) {
        throw new IllegalArgumentException(problem);
    }
}

From source file:Main.java

/**
 * Convert Base64 string to byte array./*www .  j  a  v  a 2  s.com*/
 * 
 * @param input
 *            Base64 string.
 * @return Converted byte array.
 */
public static byte[] fromBase64(final String input) {
    String tmp = input.replace("\r\n", "");
    if (tmp.length() % 4 != 0) {
        throw new IllegalArgumentException("Invalid base64 input");
    }
    int len = (tmp.length() * 3) / 4;
    int pos = tmp.indexOf('=');
    if (pos > 0) {
        len -= tmp.length() - pos;
    }
    byte[] decoded = new byte[len];
    char[] inChars = new char[4];
    int j = 0;
    int[] b = new int[4];
    for (pos = 0; pos != tmp.length(); pos += 4) {
        tmp.getChars(pos, pos + 4, inChars, 0);
        b[0] = getIndex(inChars[0]);
        b[1] = getIndex(inChars[1]);
        b[2] = getIndex(inChars[2]);
        b[3] = getIndex(inChars[3]);
        decoded[j++] = (byte) ((b[0] << 2) | (b[1] >> 4));
        if (b[2] < 64) {
            decoded[j++] = (byte) ((b[1] << 4) | (b[2] >> 2));
            if (b[3] < 64) {
                decoded[j++] = (byte) ((b[2] << 6) | b[3]);
            }
        }
    }
    return decoded;
}

From source file:Main.java

public static boolean isApplicationInstalled(final Context context, final String pkgName) {
    if (TextUtils.isEmpty(pkgName)) {
        return false;
    }/*from   w  w  w  . ja  va2  s.co  m*/
    if (null == context) {
        throw new IllegalArgumentException("context may not be null.");
    }
    try {
        context.getPackageManager().getPackageInfo(pkgName, 0);
        return true;
    } catch (final NameNotFoundException e) {
        // Application not installed.
    }
    return false;
}

From source file:Main.java

/**
 * Validate given string argument isn't null or empty string.
 *
 * @param arg argument to validate// w w  w.j ava  2 s  .  co m
 * @param argName name of the argument to show in error message
 * @throws IllegalArgumentException
 */
public static void notNullOrEmpty(String arg, String argName) {
    if (arg == null || arg.length() < 1) {
        throw new IllegalArgumentException("argument is null: " + argName);
    }
}