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

/**
 * Ensure Bluetooth is turned on./*from  ww  w.  j ava 2s. com*/
 *
 * @throws IllegalStateException If {@code adapter} is null or Bluetooth state is not
 *             {@link android.bluetooth.BluetoothAdapter#STATE_ON}.
 */
public static void checkAdapterStateOn(BluetoothAdapter adapter) {
    if (adapter == null || adapter.getState() != BluetoothAdapter.STATE_ON) {
        throw new IllegalStateException("BT Adapter is not turned ON");
    }
}

From source file:Main.java

/**
 * Ensure Bluetooth is turned on.//from   www  .j a  v  a2 s . c o m
 *
 * @throws IllegalStateException If {@code adapter} is null or Bluetooth state is not
 *             {@link BluetoothAdapter#STATE_ON}.
 */
static void checkAdapterStateOn(BluetoothAdapter adapter) {
    if (adapter == null || !adapter.isEnabled()) {//adapter.getState() != BluetoothAdapter.STATE_ON) {
        throw new IllegalStateException("BT Adapter is not turned ON");
    }
}

From source file:Main.java

/**
 * enters current tag/*ww  w. j  a  v  a2 s .  co  m*/
 * 
 * @throws IOException
 */
public static void enter(final XmlPullParser pp) throws XmlPullParserException, IOException {
    if (pp.getEventType() != XmlPullParser.START_TAG)
        throw new IllegalStateException("expecting start tag to enter");
    if (pp.isEmptyElementTag())
        throw new IllegalStateException("cannot enter empty tag");

    pp.next();
}

From source file:Main.java

public static Point findBestPreviewSizeValue(Camera.Parameters parameters, Point screenResolution) {

    List<Camera.Size> rawSupportedSizes = parameters.getSupportedPreviewSizes();
    if (rawSupportedSizes == null) {
        Log.w(TAG, "Device returned no supported preview sizes; using default");
        Camera.Size defaultSize = parameters.getPreviewSize();
        if (defaultSize == null) {
            throw new IllegalStateException("Parameters contained no preview size!");
        }//from  w w  w .  ja v a  2 s  .com
        return new Point(defaultSize.width, defaultSize.height);
    }

    // Sort by size, descending
    List<Camera.Size> supportedPreviewSizes = new ArrayList<Camera.Size>(rawSupportedSizes);
    Collections.sort(supportedPreviewSizes, new Comparator<Camera.Size>() {
        @Override
        public int compare(Camera.Size a, Camera.Size b) {
            int aPixels = a.height * a.width;
            int bPixels = b.height * b.width;
            if (bPixels < aPixels) {
                return -1;
            }
            if (bPixels > aPixels) {
                return 1;
            }
            return 0;
        }
    });

    if (Log.isLoggable(TAG, Log.INFO)) {
        StringBuilder previewSizesString = new StringBuilder();
        for (Camera.Size supportedPreviewSize : supportedPreviewSizes) {
            previewSizesString.append(supportedPreviewSize.width).append('x')
                    .append(supportedPreviewSize.height).append(' ');
        }
        Log.i(TAG, "Supported preview sizes: " + previewSizesString);
    }

    double screenAspectRatio = (double) screenResolution.x / (double) screenResolution.y;

    // Remove sizes that are unsuitable
    Iterator<Camera.Size> it = supportedPreviewSizes.iterator();
    while (it.hasNext()) {
        Camera.Size supportedPreviewSize = it.next();
        int realWidth = supportedPreviewSize.width;
        int realHeight = supportedPreviewSize.height;
        if (realWidth * realHeight < MIN_PREVIEW_PIXELS) {
            it.remove();
            continue;
        }

        boolean isCandidatePortrait = realWidth < realHeight;
        int maybeFlippedWidth = isCandidatePortrait ? realHeight : realWidth;
        int maybeFlippedHeight = isCandidatePortrait ? realWidth : realHeight;
        double aspectRatio = (double) maybeFlippedWidth / (double) maybeFlippedHeight;
        double distortion = Math.abs(aspectRatio - screenAspectRatio);
        if (distortion > MAX_ASPECT_DISTORTION) {
            it.remove();
            continue;
        }

        if (maybeFlippedWidth == screenResolution.x && maybeFlippedHeight == screenResolution.y) {
            Point exactPoint = new Point(realWidth, realHeight);
            Log.i(TAG, "Found preview size exactly matching screen size: " + exactPoint);
            return exactPoint;
        }
    }

    // If no exact match, use largest preview size. This was not a great
    // idea on older devices because
    // of the additional computation needed. We're likely to get here on
    // newer Android 4+ devices, where
    // the CPU is much more powerful.
    if (!supportedPreviewSizes.isEmpty()) {
        Camera.Size largestPreview = supportedPreviewSizes.get(0);
        Point largestSize = new Point(largestPreview.width, largestPreview.height);
        Log.i(TAG, "Using largest suitable preview size: " + largestSize);
        return largestSize;
    }

    // If there is nothing at all suitable, return current preview size
    Camera.Size defaultPreview = parameters.getPreviewSize();
    if (defaultPreview == null) {
        throw new IllegalStateException("Parameters contained no preview size!");
    }
    Point defaultSize = new Point(defaultPreview.width, defaultPreview.height);
    Log.i(TAG, "No suitable preview sizes, using default: " + defaultSize);
    return defaultSize;
}

From source file:newcontroller.handler.impl.HttpMessageConvertersHelper.java

static HttpMessageConverter<?> findConverter(List<HttpMessageConverter<?>> converters, Class<?> clazz,
        MediaType mediaType) {//from   w  ww  .  ja va  2 s  .  c  o m
    return converters.stream().filter(converter -> converter.canWrite(clazz, mediaType)).findFirst()
            .orElseThrow(() -> new IllegalStateException(
                    "Cannot find HttpMessageConverter for clazz=" + clazz + ", mediaType=" + mediaType));
}

From source file:org.springframework.security.oauth2.common.util.JsonParserFactory.java

public static JsonParser create() {
    if (ClassUtils.isPresent("com.fasterxml.jackson.databind.ObjectMapper", null)) {
        return new Jackson2JsonParser();
    }//from   w w w . j a v a  2 s  . c  om
    if (ClassUtils.isPresent("org.codehaus.jackson.map.ObjectMapper", null)) {
        return new JacksonJsonParser();
    }
    throw new IllegalStateException("No Jackson parser found. Please add Jackson to your classpath.");
}

From source file:Main.java

private static String readXsdVersionFromFile(Document doc) {
    final String JBOSS_ESB = "jbossesb";
    NodeList nodes = doc.getChildNodes();
    if (nodes != null) {
        for (int i = 0; i < nodes.getLength(); i++) {
            Node node = nodes.item(i);
            if (JBOSS_ESB.equals(node.getNodeName())) {
                NamedNodeMap attributes = node.getAttributes();
                for (int j = 0; j < attributes.getLength(); j++) {
                    Node attribute = attributes.item(j);
                    if ("xmlns".equals(attribute.getNodeName())) {
                        String value = attribute.getNodeValue();
                        if (value.contains(JBOSS_ESB) && value.endsWith(".xsd"))
                            return value.substring(value.lastIndexOf('/') + 1, value.length());
                        else
                            throw new IllegalStateException(
                                    "The ESB descriptor points to an invalid XSD" + value);
                    }/* w w w .  ja va 2s. com*/
                }
            }
        }
        throw new IllegalArgumentException("No root node " + JBOSS_ESB + " found.");
    } else
        throw new IllegalArgumentException("Descriptor has no root element !");
}

From source file:Main.java

/**
 * Converts properties from file storage format
 *//* www . j  a  v  a  2s.  c om*/
public static Properties fromFileContent(String content) {
    try {
        StringReader reader = new StringReader(content);
        Properties props = new Properties();
        props.load(reader);
        return props;
    } catch (IOException ioe) {
        throw new IllegalStateException(ioe); // shouldn't happen
    }
}

From source file:com.ai.bss.webui.util.SecurityUtil.java

public static String obtainLoggedinUsername() {
    Object principal = SecurityContextHolder.getContext().getAuthentication().getPrincipal();
    if (principal instanceof UserAccount) {
        return ((UserAccount) principal).getUserName();
    } else {/*from  w w  w .j  a  v a2s .com*/
        throw new IllegalStateException("Wrong security implementation, expecting a UserAccount as principal");
    }
}

From source file:com.ace.erp.common.inject.support.InjectBaseDependencyHelper.java

public static void findAndInjectBaseRepositoryDependency(GenericService<?, ?> genericService) {
    final Set<Object> candidates = findDependencies(genericService, BaseComponent.class);

    if (candidates.size() == 0 || candidates.size() > 1) {
        throw new IllegalStateException(
                "expect 1 @BaseComponent anntation BaseRepository subclass bean, but found " + candidates.size()
                        + ", please check class [" + genericService.getClass()
                        + "] @BaseComponent annotation.");
    }//w w w.ja  v  a 2  s .co  m

    Object baserMapper = candidates.iterator().next();

    if (baserMapper.getClass().isAssignableFrom(BaseComponent.class)) {
        throw new IllegalStateException("[" + genericService.getClass() + "] @BaseComponent annotation bean "
                + "must be BaseRepository subclass");
    }
    genericService.setBaseMapper((BaseMapper) baserMapper);
}