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 void checkSocketAddress(final InetSocketAddress socketAddress) {
    if (socketAddress == null) {
        throw new IllegalArgumentException("socketAddress can't be null");
    }/*from   ww  w  .j  a v  a2 s  .com*/
    /** can not use in JNI ; internal InetAddress field is null */
    if (socketAddress.isUnresolved()) {
        throw new IllegalArgumentException(
                "socketAddress is unresolved : " + socketAddress + " : check your DNS settings");
    }
}

From source file:Main.java

public static <K, V> Map<K, V> map(K[] keys, V[] values) {
    if (keys.length == values.length) {
        HashMap<K, V> result = new HashMap<K, V>(keys.length);

        for (int i = 0; i < keys.length; i++) {
            result.put(keys[i], values[i]);
        }//  w w w.j  a va 2s.co m

        return result;
    } else {
        throw new IllegalArgumentException("arrays must have equal length");
    }
}

From source file:Main.java

/**
 * Parse ref//  w w w  .j  a  v  a2s  . com
 *
 * @param ref form Table.Col
 * @return String[] {Table, Col}
 */
public static String[] getTableColRef(String ref) throws IllegalArgumentException {
    String[] res = null;
    String dot = "\\" + DOT;
    res = ref.split(dot);
    if (res.length != 2)
        throw new IllegalArgumentException("Wrong ref " + ref);
    return res;
}

From source file:Main.java

/**
 * @throws IllegalArgumentException if {@code typeUrl} is in invalid format.
 *///  w  w w.ja v  a  2s. c  o m
public static void validate(String typeUrl) throws IllegalArgumentException {
    if (!typeUrl.startsWith(TYPE_URL_PREFIX)) {
        throw new IllegalArgumentException(String
                .format("Error: type URL %s is invalid; it must start with %s\n", typeUrl, TYPE_URL_PREFIX));
    }
}

From source file:Main.java

/**
 * Will throw IllegalArgumentException if provided object is null on runtime
 *
 * @param argument object that should be asserted as not null
 * @param name     name of the object asserted
 * @throws java.lang.IllegalArgumentException
 *///from w ww . j  a  v  a  2 s. c om
public static <T> T notNull(final T argument, final String name) {
    if (argument == null) {
        throw new IllegalArgumentException(name + " should not be null!");
    }
    return argument;
}

From source file:Main.java

public static <T> T getUnique(Collection<T> list) {
    if (list == null)
        throw new IllegalArgumentException(" collection is null! collection must be not null");
    else if (list.size() != 1)
        throw new IllegalArgumentException(
                list.size() + " collection must be unique : " + list.iterator().next().toString());
    else/* ww w .j a  v  a2  s. c  o m*/
        return list.iterator().next();
}

From source file:Main.java

/**
 * get random elements from a collection
 *
 * @param <T>// ww w .  j a  v  a 2 s . c o  m
 * @param elements
 * @return
 */
public static <T> T getRandomElement(Collection<T> elements) {
    if (elements == null || elements.isEmpty()) {
        throw new IllegalArgumentException(" collection must have element!");
    }
    random.setSeed(System.currentTimeMillis());
    int offset = random.nextInt() % elements.size();
    for (T element : elements) {
        if (offset == 0) {
            return element;
        }
        offset--;
    }

    return null;
}

From source file:Main.java

private static void printNotMatchErrorMessage() {
    String errorMessage = "Please check your ProxyClassName,the " + mCustomProxyClassName
            + " is not match the rule.";
    Log.e(TAG, "printNotMatchErrorMessage: " + errorMessage);
    throw new IllegalArgumentException(errorMessage);
}

From source file:Main.java

public static byte[] unwrapkB(byte[] unwrapkB, byte[] wrapkB) {
    if (unwrapkB == null) {
        throw new IllegalArgumentException("unwrapkB must not be null");
    }/* www. j a  v  a2s. c om*/
    if (wrapkB == null) {
        throw new IllegalArgumentException("wrapkB must not be null");
    }
    if (unwrapkB.length != CRYPTO_KEY_LENGTH_BYTES || wrapkB.length != CRYPTO_KEY_LENGTH_BYTES) {
        throw new IllegalArgumentException(
                "unwrapkB and wrapkB must be " + CRYPTO_KEY_LENGTH_BYTES + " bytes long");
    }
    byte[] kB = new byte[CRYPTO_KEY_LENGTH_BYTES];
    for (int i = 0; i < wrapkB.length; i++) {
        kB[i] = (byte) (wrapkB[i] ^ unwrapkB[i]);
    }
    return kB;
}

From source file:Main.java

/**
 * Append a collection of strings and delimiter.
 *
 * @param c A collection of strings.//from w  w  w  . j a v a 2  s. com
 * @param delimiter A delimiter string.
 * @return The new string.
 */
public static String join(Collection<String> c, String delimiter) {
    if (c == null || delimiter == null) {
        throw new IllegalArgumentException("Collections and delimiters given to join cannot be null!");
    }
    StringBuilder builder = new StringBuilder("");
    Iterator<String> iter = c.iterator();
    while (iter.hasNext()) {
        builder.append(iter.next());
        if (iter.hasNext()) {
            builder.append(delimiter);
        }
    }
    return builder.toString();
}