Example usage for java.lang IllegalStateException IllegalStateException

Introduction

In this page you can find the example usage for java.lang IllegalStateException IllegalStateException.

Prototype

public IllegalStateException(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 Node getRoot(String documentAsString) {
    final DocumentBuilderFactory documentBuilderFactory = DocumentBuilderFactory.newInstance();
    try {//from  www .  j  a v a2 s  .  c o  m
        final DocumentBuilder documentBuilder = documentBuilderFactory.newDocumentBuilder();
        final Document document = documentBuilder.parse(new InputSource(new StringReader(documentAsString)));
        return document.getFirstChild();
    } catch (ParserConfigurationException e) {
        throw new IllegalStateException(e);
    } catch (SAXException e) {
        throw new IllegalArgumentException(e);
    } catch (IOException e) {
        throw new IllegalStateException(e);
    }
}

From source file:Main.java

public static void set(String key, Object obj) {
    HashMap map = (HashMap) s_var.get();
    if (map == null)
        throw new IllegalStateException("Thread local not exists!");
    if (obj == null)
        map.remove(key);//  ww w .  j av  a2 s.  co  m
    else
        map.put(key, obj);
}

From source file:Main.java

/** find a palindromic number given a starting point, by
 * calling ourself until we get a number that is palindromic.
 *///  w  w w .  j a  v  a2s  . c  o m
public static BigInteger findPalindrome(BigInteger num) {
    if (num.compareTo(BigInteger.ZERO) < 0)
        throw new IllegalStateException("negative");
    if (isPalindrome(num))
        return num;
    if (verbose)
        System.out.println("Trying " + num);
    return findPalindrome(num.add(reverseNumber(num)));
}

From source file:Main.java

public static byte[] toUtf8Bytes(String data) {
    try {/* w  w w.  j ava2 s  . c  o  m*/
        return data == null ? null : data.getBytes("UTF-8");
    } catch (UnsupportedEncodingException e) {
        throw new IllegalStateException(e);
    }
}

From source file:Main.java

public static String toUtf8String(byte[] data) {
    try {/*from ww  w .  ja v  a 2  s.  com*/
        return data == null ? null : new String(data, "UTF-8");
    } catch (UnsupportedEncodingException e) {
        throw new IllegalStateException(e);
    }
}

From source file:Main.java

public static byte[] toAsciiBytes(String data) {
    try {//  w  w w. j a  v a2  s.c o  m
        return data == null ? null : data.getBytes("US-ASCII");
    } catch (UnsupportedEncodingException e) {
        throw new IllegalStateException(e);
    }
}

From source file:Main.java

/**
 * Validate that a number is a power of two.
 *
 * @param value to be validated./*from w w  w.ja v a 2s  .c  om*/
 */
public static void validatePositivePowerOfTwo(final int value) {
    if (value > 0 && 1 == (value & (value - 1))) {
        throw new IllegalStateException("Value must be a positive power of two");
    }
}

From source file:Main.java

public static String toAsciiString(byte[] data) {
    try {/*from  w w w .  j a v  a  2 s  .co m*/
        return data == null ? null : new String(data, "US-ASCII");
    } catch (UnsupportedEncodingException e) {
        throw new IllegalStateException(e);
    }
}

From source file:Main.java

public static boolean nextStartTagInsideTree(final XmlPullParser pp, final String tagNamespace,
        final String tagName) throws XmlPullParserException, IOException {
    if (tagNamespace == null && tagName == null)
        throw new IllegalArgumentException(
                "namespace and name argument can not be both null:" + pp.getPositionDescription());

    if (pp.getEventType() != XmlPullParser.START_TAG && pp.getEventType() != XmlPullParser.END_TAG)
        throw new IllegalStateException(
                "expected START_TAG of parent or END_TAG of child:" + pp.getPositionDescription());

    while (true) {
        final int eventType = pp.next();

        if (eventType == XmlPullParser.START_TAG) {
            final String name = pp.getName();
            final String namespace = pp.getNamespace();
            boolean matches = (tagNamespace != null && tagNamespace.equals(namespace))
                    || (tagName != null && tagName.equals(name));
            if (matches)
                return true;

            skipSubTree(pp);//  w  ww .ja va2 s  .c om
            pp.require(XmlPullParser.END_TAG, namespace, name);
        } else if (eventType == XmlPullParser.END_TAG) {
            return false;
        }
    }
}

From source file:Main.java

public static String encodeUriSegment(String segment) {
    try {/*from  www.  ja  v  a 2  s  . co m*/
        return URLEncoder.encode(segment, "UTF-8");
    } catch (UnsupportedEncodingException e) {
        throw new IllegalStateException(e);
    }
}