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 findFirstChild(final Node n, final String name) {
    for (int i = 0; i < n.getChildNodes().getLength(); i++) {
        if (n.getChildNodes().item(i).getNodeName().equals(name)) {
            return n.getChildNodes().item(i);
        }//w  ww  .  j a va  2  s.  com
    }
    throw new IllegalStateException("no " + name + " children found in: " + n.getNodeName());
}

From source file:Main.java

public static Element getChildByName(Element e, String name) {
    Element[] list = getChildrenByName(e, name);
    if (list.length == 0) {
        return null;
    }//from w  ww  .  ja  va  2 s  . c o  m
    if (list.length > 1) {
        throw new IllegalStateException("Too many (" + list.length + ") '" + name + "' elements found!");
    }
    return list[0];
}

From source file:Main.java

private static Object invokeGetter(Method getter, Object object) {
    try {/*w w  w  .  j  a  v  a 2s  . c o m*/
        getter.setAccessible(true);
        return getter.invoke(object, new Object[0]);
    } catch (IllegalAccessException e) {
        throw new IllegalStateException(e);
    } catch (InvocationTargetException e) {
        throw new IllegalStateException(e);
    }
}

From source file:Main.java

public static long readEncodedLength(InputStream input, int[] bytesReadOut) {
    try {/* w w  w .  jav  a  2 s  .  c om*/
        int lbyte = input.read();
        if (lbyte == -1)
            return -1;
        if (lbyte == 0)
            throw new IllegalStateException("First length byte is 0");
        // there will always be 24 extra leading zeros from the first 3 bytes
        int nbytes = 1 + Integer.numberOfLeadingZeros(lbyte) - 24;

        // start with the first byte with the leading 1 masked out
        long value = lbyte ^ Integer.highestOneBit(lbyte);
        // read successive bytes, shifting current value each time (big-endian, most significant bytes first)
        for (int i = 1; i < nbytes; i++) {
            lbyte = input.read();
            if (lbyte == -1)
                return -1;
            value = (value << 8) | lbyte;
        }
        if (bytesReadOut != null)
            bytesReadOut[0] = nbytes;
        return value;
    } catch (IOException ex) {
        throw new IllegalStateException(ex);
    }
}

From source file:Main.java

public static InputStream getWsddStream(Class<?> clientClass) {
    InputStream wsdd = clientClass.getResourceAsStream("client-config.wsdd");
    if (wsdd == null) {
        throw new IllegalStateException(
                "Could not find client-config.wsdd relative to " + clientClass.getName());
    }// w w w .j  av  a  2s .c  o m
    return wsdd;
}

From source file:Main.java

public static void requireAttr(final XmlPullParser pp, final String attrName, final String requiredValue) {
    if (!requiredValue.equals(attr(pp, attrName)))
        throw new IllegalStateException("cannot find " + attrName + "=\"" + requiredValue + "\" />");
}

From source file:Main.java

private static void assureScreenDimen() {
    if (sDevicesScreenHeight == 0 || sDevicesScreenWidth == 0) {
        throw new IllegalStateException("you must init sDevicesScreenHeight and/or sDevicesScreenWidth.");
    }/*from  w w  w. ja  v  a  2  s.  c  om*/
}

From source file:Main.java

public static void setUseSaxonTransformFactory() {
    if (System.getProperty(XSLT_TRANSFORMER_FACTORY) == null) {
        System.setProperty(XSLT_TRANSFORMER_FACTORY, SAXON_TRANSFORMER_FACTORY);
    } else {/*from  ww  w . j a v  a 2  s.co m*/
        throw new IllegalStateException(XSLT_TRANSFORMER_FACTORY + " is already set");
    }
}

From source file:Main.java

public static void awaitForTermination(List<Thread> threads, long timeout, TimeUnit timeUnit) {
    try {//from ww w  .  j a  va  2s.  c  om
        long finishTime = System.currentTimeMillis() + timeUnit.toMillis(timeout);
        for (Thread t : threads) {
            long now = System.currentTimeMillis();
            if (now > finishTime) {
                throw new IllegalStateException("failed to stop all threads");
            } else {
                t.join(finishTime - now);
                if (t.isAlive()) {
                    throw new IllegalStateException("failed to stop all threads");
                }
            }
        }
    } catch (InterruptedException e) {
        throw new IllegalStateException(e);
    }
}

From source file:Main.java

public static String stringToHexString(String input) {
    try {//ww w  .j  av  a  2 s.c  o  m
        return stringToHexString(input, "UTF-8");
    } catch (UnsupportedEncodingException e) {
        throw new IllegalStateException("UTF-8 encoding is not supported by JVM");
    }
}