Example usage for java.lang NullPointerException NullPointerException

Introduction

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

Prototype

public NullPointerException(String s)

Source Link

Document

Constructs a NullPointerException with the specified detail message.

Usage

From source file:Main.java

public static <T> T checkNotNull(T reference, String message) {
    if (reference == null) {
        throw new NullPointerException(message);
    }//from  w  w w  . j a v a  2s.  c  o m
    return reference;
}

From source file:Main.java

public static Bitmap drawImageBorder(Bitmap srcBitmap, Bitmap borderBitmap) {
    if (srcBitmap == null)
        throw new NullPointerException("srcBitmap should not null");
    if (borderBitmap == null)
        return srcBitmap;
    Bitmap temp = srcBitmap.copy(Config.ARGB_8888, true);
    /*Bitmap border = borderBitmap;
    if (srcBitmap.getWidth() != borderBitmap.getWidth() || 
      srcBitmap.getHeight() != borderBitmap.getHeight()) {
       border = zoomBitmap(borderBitmap, srcBitmap.getWidth(), srcBitmap.getHeight());
    }*//* ww  w .j  av a2 s .  c o m*/
    Canvas canvas = new Canvas(temp);
    Matrix m = new Matrix();
    m.postScale((float) temp.getWidth() / borderBitmap.getWidth(),
            (float) temp.getHeight() / borderBitmap.getHeight());
    //canvas.drawBitmap(border, 0, 0, null);
    canvas.drawBitmap(borderBitmap, m, null);
    return temp;
}

From source file:Main.java

public static CharSequence getText() {
    if (clipboardManager == null)
        throw new NullPointerException(initializeErrorString);

    return clipboardManager.getText();
}

From source file:Main.java

/***********************************************************************/
public static Node traverseToTag(String tag, Node node) {
    Node n = traverseToInnerTag(tag, node);
    if (n == null) {
        throw new NullPointerException(String.format("The Tag '%s' could not be found from '%s'", tag, node));
    }/*w  w w. j a  v a2  s.  c o m*/
    return n;
}

From source file:MainClass.java

public static String capitalize(String s) throws NullPointerException {
    if (s == null) {
        throw new NullPointerException("Your passed a null argument");
    }/*  w w w . j  a v  a 2  s  .  c o m*/
    Character firstChar = s.charAt(0);
    String theRest = s.substring(1);
    return firstChar.toString().toUpperCase() + theRest;
}

From source file:Main.java

public static boolean isValidEmail(EditText paramEditText) {
    if (paramEditText == null) {
        throw new NullPointerException("EditText can't null");
    }/* w  w  w .ja  va 2s. com*/
    return isValidEmail(paramEditText.getText().toString());
}

From source file:Main.java

public static void setText(CharSequence text) {
    if (clipboardManager == null)
        throw new NullPointerException(initializeErrorString);

    clipboardManager.setText(text);/*from   w w  w . j  a  v  a  2  s . c  om*/
}

From source file:Main.java

public static Bitmap decodeYUV420SP(byte[] rgbBuf, byte[] yuv420sp, int width, int height) {
    final int frameSize = width * height;
    if (rgbBuf == null)
        throw new NullPointerException("buffer 'rgbBuf' is null");
    if (rgbBuf.length < frameSize * 3)
        throw new IllegalArgumentException(
                "buffer 'rgbBuf' size " + rgbBuf.length + " < minimum " + frameSize * 3);

    if (yuv420sp == null)
        throw new NullPointerException("buffer 'yuv420sp' is null");

    if (yuv420sp.length < frameSize * 3 / 2)
        throw new IllegalArgumentException(
                "buffer 'yuv420sp' size " + yuv420sp.length + " < minimum " + frameSize * 3 / 2);

    int i = 0, y = 0;
    int uvp = 0, u = 0, v = 0;
    int y1192 = 0, r = 0, g = 0, b = 0;

    for (int j = 0, yp = 0; j < height; j++) {
        uvp = frameSize + (j >> 1) * width;
        u = 0;/*from  w ww  . ja  va 2  s . co  m*/
        v = 0;
        for (i = 0; i < width; i++, yp++) {
            y = (0xff & ((int) yuv420sp[yp])) - 16;
            if (y < 0)
                y = 0;
            if ((i & 1) == 0) {
                v = (0xff & yuv420sp[uvp++]) - 128;
                u = (0xff & yuv420sp[uvp++]) - 128;
            }

            y1192 = 1192 * y;
            r = (y1192 + 1634 * v);
            g = (y1192 - 833 * v - 400 * u);
            b = (y1192 + 2066 * u);

            if (r < 0)
                r = 0;
            else if (r > 262143)
                r = 262143;
            if (g < 0)
                g = 0;
            else if (g > 262143)
                g = 262143;
            if (b < 0)
                b = 0;
            else if (b > 262143)
                b = 262143;

            rgbBuf[yp * 3] = (byte) (r >> 10);
            rgbBuf[yp * 3 + 1] = (byte) (g >> 10);
            rgbBuf[yp * 3 + 2] = (byte) (b >> 10);
        }
    }
    return BitmapFactory.decodeByteArray(rgbBuf, 0, rgbBuf.length);
}

From source file:Main.java

public static <K, V> Map<K, List<V>> copyNullSafeMultiHashMapReified(Class<V> valueType,
        Map<? extends K, List<?>> map) {
    if (valueType == null)
        throw new NullPointerException("valueType");
    if (map == null)
        throw new NullPointerException("map");

    @SuppressWarnings("unchecked")
    Map<K, List<V>> result = (Map<K, List<V>>) (Map<?, ?>) copyNullSafeMutableHashMap(map);
    for (Map.Entry<K, List<V>> entry : result.entrySet()) {
        List<V> value = entry.getValue();
        ArrayList<V> valueCopy = new ArrayList<V>(value);
        for (V element : valueCopy) {
            valueType.cast(element);/*from w w w . j  a  va  2  s. c o  m*/
        }

        entry.setValue(Collections.unmodifiableList(valueCopy));
    }
    return result;
}

From source file:Main.java

public static <T> List<T> getAllOfExclude(Container container, Class<T> clazz,
        Collection<? extends Component> exclude) {
    if (container == null) {
        throw new NullPointerException("container == null");
    }//from   ww  w. j ava 2 s.co  m
    if (clazz == null) {
        throw new NullPointerException("clazz == null");
    }
    if (exclude == null) {
        throw new NullPointerException("exclude == null");
    }
    List<T> components = new ArrayList<>();
    addAllOfExclude(container, clazz, components, exclude);
    return components;
}