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:cpcc.vvrte.services.task.AcoTspSimple.java

/**
 * @param costMatrix the cost matrix.//  www. j av a  2 s  .c  om
 * @param maxIterations the maximum number of iterations
 * @param boost the boost value.
 * @return the best path as a list of integers.
 */
public static List<Integer> calculateBestPath(double[][] costMatrix, int maxIterations, int boost) {
    if (costMatrix.length == 0 || costMatrix.length != costMatrix[0].length) {
        throw new IllegalStateException("Cost matrix heigth and width must be equal!");
    }

    double[][] pheromoneTrails = new double[costMatrix.length][costMatrix.length];

    for (int k = 0, l = costMatrix.length; k < l; ++k) {
        for (int j = 0; j < l; ++j) {
            pheromoneTrails[k][j] = 0;
        }
    }

    double bestLen = Double.POSITIVE_INFINITY;
    List<Integer> bestPath = new ArrayList<Integer>();

    for (int iteration = 0; iteration < maxIterations; iteration++) {
        List<Integer> path = generatePath(costMatrix, pheromoneTrails);
        double pathLen = realPathLength(costMatrix, path);

        if (pathLen < bestLen) {
            updatePheromoneTrails(pheromoneTrails, path, boost);
            bestLen = pathLen;
            bestPath = path;
        }

        evaporatePheromoneTrails(pheromoneTrails, (double) boost / (double) maxIterations);
    }

    return bestPath;
}

---

From source file:Main.java

public static String getStringFromDocument(Document doc) {
    DOMSource domSource = new DOMSource(doc);
    StringWriter writer = new StringWriter();
    StreamResult result = new StreamResult(writer);
    TransformerFactory tf = TransformerFactory.newInstance();
    Transformer transformer;// ww w .  j a  va 2s. c o m
    try {
        transformer = tf.newTransformer();
        transformer.transform(domSource, result);
    } catch (Exception e) {
        throw new IllegalStateException(e);
    }

    return writer.toString();
}

---

From source file:org.nuclos.common.tls.CustomSecureProtocolSocketFactory.java

private static SSLContext createCustomSSLContext() {
    try {/*from  w  w w .  jav a2s.c om*/
        SSLContext context = SSLContext.getInstance("SSL");
        context.init(null, new TrustManager[] { new CustomX509TrustManager(null) }, null);
        return context;
    } catch (Exception e) {
        log.error(e.getMessage(), e);
        throw new IllegalStateException(e);
    }
}

---

From source file:net.orfjackal.dimdwarf.testutils.Sandbox.java

public File createTempDir() {
    int counter = 0;
    File dir;/*ww w  . j  ava  2  s.c om*/
    do {
        counter++;
        dir = new File(sandboxDir, "temp_" + timestamp() + "_" + counter);
    } while (!dir.mkdir() && counter < SAFETY_LIMIT);

    if (!dir.isDirectory()) {
        throw new IllegalStateException("Unable to create directory: " + dir.getAbsolutePath());
    }
    return dir;
}

---

From source file:com.btkelly.gnag.utils.ViolationFormatter.java

/**
 * Use this method to create a formatted HTML string representing a violation that will be posted as an inline 
 * comment. Only intended for use when posting inline comments to GitHub.
 *///  w  w  w .j  a  v  a  2 s  . c  o  m
public static String getHtmlStringForInlineComment(@NotNull final Violation violation) {
    final Integer violationFileLineNumber = violation.getFileLineNumber();
    final String violationRelativeFilePath = violation.getRelativeFilePath();

    if (violationFileLineNumber == null || violationRelativeFilePath == null) {
        throw new IllegalStateException(
                "Should only call getHtmlStringForInlineViolationComment when violation location is known");
    }

    final HtmlStringBuilder builder = new HtmlStringBuilder();

    appendViolationReporterToBuilder(violation, builder);
    appendViolationNameToBuilder(violation, builder);
    appendViolationCommentToBuilderIfPresent(violation, builder);

    return builder.toString();
}

---

From source file:com.fusesource.examples.horo.model.StarSign.java

public static StarSign getInstance(String name) {
    Validate.notEmpty(name, "name is empty");
    StarSign starSign = null;//from   w w w .  j  a  v  a2 s .c o  m
    for (StarSign temp : values()) {
        if (temp.getName().toLowerCase().equals(name.toLowerCase())) {
            starSign = temp;
            break;
        }
    }
    if (starSign == null) {
        throw new IllegalStateException("Unable to find star sign for " + name);
    }
    return starSign;
}

---

From source file:Main.java

/**
 * Finds the most optimal size. The optimal size is when possible the same as
 * the camera resolution, if not is is it the best size between the camera solution and
 * MIN_SIZE_PIXELS/*from w  w w  .j  a v  a 2s.com*/
 * @param screenResolution
 * @param rawSupportedSizes
 *@param defaultCameraSize @return optimal preview size
 */
private static Point findBestSizeValue(Point screenResolution, List<Camera.Size> rawSupportedSizes,
        Camera.Size defaultCameraSize) {

    if (rawSupportedSizes == null) {
        Log.w(TAG, "Device returned no supported sizes; using default");
        if (defaultCameraSize == null) {
            throw new IllegalStateException("Parameters contained no size!");
        }
        return new Point(defaultCameraSize.width, defaultCameraSize.height);
    }

    // Sort by size, descending
    List<Camera.Size> supportedSizes = new ArrayList<>(rawSupportedSizes);
    Collections.sort(supportedSizes, 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 sizesString = new StringBuilder();
        for (Camera.Size supportedSize : supportedSizes) {
            sizesString.append(supportedSize.width).append('x').append(supportedSize.height).append(' ');
        }
        Log.i(TAG, "Supported sizes: " + sizesString);
    }

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

    // Remove sizes that are unsuitable
    Iterator<Camera.Size> it = supportedSizes.iterator();
    while (it.hasNext()) {
        Camera.Size supportedSize = it.next();
        int realWidth = supportedSize.width;
        int realHeight = supportedSize.height;
        if (realWidth * realHeight < MIN_SIZE_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 size exactly matching screen size: " + exactPoint);
            return exactPoint;
        }
    }

    // If no exact match, use largest 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 (!supportedSizes.isEmpty()) {
        Camera.Size largestCameraSizes = supportedSizes.get(0);
        Point largestSize = new Point(largestCameraSizes.width, largestCameraSizes.height);
        Log.i(TAG, "Using largest suitable size: " + largestSize);
        return largestSize;
    }

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

    return defaultSize;
}

---

From source file:me.ineson.testing.utils.GradleConfig.java

private static synchronized String readGradleConfig(String key) {
    if (GRADLE_PROPERTIES == null) {
        File filename = new File(SystemUtils.getUserHome(), ".gradle/gradle.properties");
        if (!filename.exists() || !filename.isFile() || !filename.canRead()) {
            throw new IllegalStateException("Failed to access gradle configuration: "
                    + filename.getAbsolutePath() + ", exists " + filename.exists() + ", isFile "
                    + filename.isFile() + ", canRead " + filename.canRead());
        }/*from  w w w. j  a v  a  2  s. c o  m*/
        Properties properties = new Properties();
        try {
            properties.load(new FileInputStream(filename));
        } catch (FileNotFoundException e) {
            throw new IllegalStateException(
                    "Failed to access gradle configuration: " + filename.getAbsolutePath(), e);
        } catch (IOException e) {
            throw new IllegalStateException(
                    "Failed to access gradle configuration: " + filename.getAbsolutePath(), e);
        }
        GRADLE_PROPERTIES = properties;
    }

    String fullKey = "systemProp." + key;
    String value = GRADLE_PROPERTIES.getProperty(fullKey);

    if (value != null) {
        System.setProperty(key, value);
    }

    return value;
}

---

From source file:com.jkoolcloud.tnt4j.streams.sample.custom.SampleIntegration.java

/**
 * Configure streams and parsers, and run each stream in its own thread.
 *
 * @param cfgFileName/*from   w ww  .  ja v  a 2  s. c o  m*/
 *            configuration file name
 */
public static void loadConfigAndRun(String cfgFileName) {
    try {
        StreamsConfigLoader cfg = StringUtils.isEmpty(cfgFileName) ? new StreamsConfigLoader()
                : new StreamsConfigLoader(cfgFileName);
        Collection<TNTInputStream<?, ?>> streams = cfg.getStreams();
        if (streams == null || streams.isEmpty()) {
            throw new IllegalStateException("No Activity Streams found in configuration"); // NON-NLS
        }

        ThreadGroup streamThreads = new ThreadGroup("Streams"); // NON-NLS
        StreamThread ft;
        for (TNTInputStream<?, ?> stream : streams) {
            ft = new StreamThread(streamThreads, stream,
                    String.format("%s:%s", stream.getClass().getSimpleName(), stream.getName())); // NON-NLS
            ft.start();
        }
    } catch (Exception e) {
        LOGGER.log(OpLevel.ERROR, String.valueOf(e.getLocalizedMessage()), e);
    }
}

---

From source file:me.aerovulpe.crawler.data.SimpleDiskCache.java

public static synchronized SimpleDiskCache open(File dir, int appVersion, long maxSize) throws IOException {
    if (usedDirs.contains(dir)) {
        throw new IllegalStateException("Cache dir " + dir.getAbsolutePath() + " was used before.");
    }//from www.ja  v a 2  s  .  c om
    usedDirs.add(dir);
    return new SimpleDiskCache(dir, appVersion, maxSize);
}

---

• «
• 1
• 2
• 3
• 4
• 5
• 6
• 7
• 8
• 9
• 10
• 11
• 12
• 13
• 14
• 15
• 16
• 17
• 18
• 19
• 20
• 21
• 22
• 23
• 24
• 25
• 26
• 27
• 28
• 29
• 30
• 31
• 32
• 33
• 34
• 35
• 36
• 37
• 38
• 39
• 40
• »