Example usage for java.lang ClassCastException ClassCastException

Introduction

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

Prototype

public ClassCastException(String s) 

Source Link

Document

Constructs a ClassCastException with the specified detail message.

Usage

From source file:com.opensymphony.xwork2.util.finder.ResourceFinder.java

/**
 * Assumes the class specified points to a file in the classpath that contains
 * the name of a class that implements or is a subclass of the specfied class.
 * <p/>/*from  w  w w.  ja  va  2  s  . c o  m*/
 * Any class that cannot be loaded will be cause an exception to be thrown.
 * <p/>
 * Example classpath:
 * <p/>
 * META-INF/java.io.InputStream    # contains the classname org.acme.AcmeInputStream
 * META-INF/java.io.OutputStream
 * <p/>
 * ResourceFinder finder = new ResourceFinder("META-INF/");
 * Class clazz = finder.findImplementation(java.io.InputStream.class);
 * clazz.getName();  // returns "org.acme.AcmeInputStream"
 *
 * @param interfase a superclass or interface
 * @return
 * @throws IOException            if the URL cannot be read
 * @throws ClassNotFoundException if the class found is not loadable
 * @throws ClassCastException     if the class found is not assignable to the specified superclass or interface
 */
public Class findImplementation(Class interfase) throws IOException, ClassNotFoundException {
    String className = findString(interfase.getName());
    Class impl = classLoaderInterface.loadClass(className);
    if (!interfase.isAssignableFrom(impl)) {
        throw new ClassCastException("Class not of type: " + interfase.getName());
    }
    return impl;
}

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From source file:com.RSMSA.policeApp.Dialogues.PaymentConfirmationDialogue.java

public void onAttach(Activity activity) {
    super.onAttach(activity);
    try {//  w  w  w. j  a  va2 s .c  om
        this.mListener = (OnCompleteListener) activity;
    } catch (final ClassCastException e) {
        throw new ClassCastException(activity.toString() + " must implement OnCompleteListener");
    }
}

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From source file:edu.berkeley.path.bots.core.Coordinate.java

public double distanceHaversineInMeters(Coordinate otherCoord) {
    // SRID's must match and not be null.
    // This can't be null, duh, and we don't check if otherCoord is, which
    // means the NullPointerException will be thrown.
    if (null == this.srid() || null == otherCoord.srid()) {
        throw new ClassCastException("This distance function uses the spheroid distance, but you "
                + "are using Coordinates with null SRID~s (from a PostgreSQL "
                + "point?).  This doesn't really make any sense and you "
                + "probably want to use .distanceCarteasianInSRUnits( other )" + "instead.");
    } else if (!this.srid().equals(otherCoord.srid())) {
        throw new ClassCastException("The SRID of otherCoord does't match this one.");
    }/*from w ww.ja  v a2 s.com*/
    final double piOver180 = Math.PI / 180.0;
    final double earthRadiusInMeters = 6367000;
    final double lon1 = piOver180 * this.lon();
    final double lat1 = piOver180 * this.lat();
    final double lon2 = piOver180 * otherCoord.lon();
    final double lat2 = piOver180 * otherCoord.lat();
    // Haversine formula:
    final double dlon = lon2 - lon1;
    final double dlat = lat2 - lat1;
    final double a = FastMath.sin(dlat / 2) * FastMath.sin(dlat / 2)
            + FastMath.cos(lat1) * FastMath.cos(lat2) * FastMath.sin(dlon / 2) * FastMath.sin(dlon / 2);
    final double c = 2 * FastMath.atan2(FastMath.sqrt(a), FastMath.sqrt(1 - a));
    return earthRadiusInMeters * c;
}

---

From source file:com.irccloud.android.fragment.UsersListFragment.java

@Override
public void onAttach(Activity activity) {
    super.onAttach(activity);
    try {/*from  w w w. ja  v  a  2s  .c  o m*/
        mListener = (OnUserSelectedListener) activity;
    } catch (ClassCastException e) {
        throw new ClassCastException(activity.toString() + " must implement OnUserSelectedListener");
    }
    if (cid == -1) {
        cid = activity.getIntent().getIntExtra("cid", 0);
        channel = activity.getIntent().getStringExtra("name");
    }
}

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From source file:com.RSMSA.policeApp.Dialogues.PaymentConfirmationDialogue.java

public void onAttach(Fragment activity) {
    super.onAttach(activity.getActivity());
    try {/*from  w w  w .  j a v a  2s. c  o  m*/
        this.mListener = (OnCompleteListener) activity;
    } catch (final ClassCastException e) {
        throw new ClassCastException(activity.toString() + " must implement OnCompleteListener");
    }
}

---

From source file:ch.ralscha.extdirectspring.util.ParametersResolver.java

private Object resolveAuthenticationPrincipal(ParameterInfo parameterInfo) {
    Object principal = this.getPrincipalExpression.getValue();

    if (principal != null && !parameterInfo.getType().isAssignableFrom(principal.getClass())) {
        if (parameterInfo.authenticationPrincipalAnnotationErrorOnInvalidType()) {
            throw new ClassCastException(principal + " is not assignable to " + parameterInfo.getType());
        }/*www. j  a  v a  2s  .  co m*/
        return null;
    }
    return principal;
}

---

From source file:gov.nih.nci.ncicb.cadsr.bulkloader.util.excel.DBExcelUtility.java

private String getRowXMLData(HSSFSheet hssfsheet, String sheetName, int row, int colcount, String prefix,
        String coltype[]) {//from   w  ww  . j a  v a 2s . com
    StringBuffer sb = new StringBuffer();
    Object cdata = null;
    int column = 0;

    try {

        for (int i = 0; i < colcount; i++) {
            column = (short) (dataStart_column + i);
            cdata = ExcelUtility.getObject(hssfsheet, row, (short) column);

            //sb.append("(AV=" + cdata + "," + cdata.toString().length() + ")");
            if (cdata != null && cdata.toString().length() != 0) {
                if (coltype[i].equalsIgnoreCase(DataType.TYPE_STRING)) {
                    sb.append("<" + prefix + ">" + (String) cdata + "</" + prefix + ">");
                } else if (coltype[i].equalsIgnoreCase(DataType.TYPE_INTEGER)) {
                    Integer idata = ExcelUtility.getInteger(hssfsheet, row, (short) (dataStart_column + i));

                    sb.append("<" + prefix + ">" + idata + "</" + prefix + ">");
                } else if (coltype[i].equalsIgnoreCase(DataType.TYPE_DOUBLE)) {
                    Double ddata = ExcelUtility.getDouble(hssfsheet, row, (short) (dataStart_column + i));

                    sb.append("<" + prefix + ">" + ddata + "</" + prefix + ">");
                } else if (coltype[i].equalsIgnoreCase(DataType.TYPE_BOOLEAN)) {
                    Boolean bdata = ExcelUtility.getBoolean(hssfsheet, row, (short) (dataStart_column + i));

                    sb.append("<" + prefix + ">" + bdata + "</" + prefix + ">");
                } else if (coltype[i].equalsIgnoreCase(DataType.TYPE_DATE)) {
                    Date dtval = ExcelUtility.getDate(hssfsheet, row, (short) (dataStart_column + i));
                    SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
                    StringBuffer dtString = new StringBuffer();
                    String dt = sdf.format(dtval);

                    //System.out.println("dtval = " + dtval);
                    //System.out.println("dt = " + dtString.toString());
                    sb.append("<" + prefix + ">" + dt + "</" + prefix + ">");
                }
            } else {
                sb.append("<none/>");
            }
        }
        return sb.toString();
    } catch (ClassCastException ce) {
        ce.printStackTrace();
        throw new ClassCastException("There is a type problem in the excel worksheet on Sheet='" + sheetName
                + "', and Cell(" + (row + 1) + "," + (column + 1) + ")" + "\n" + ce.getMessage());
    }
}

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From source file:com.opensymphony.xwork2.util.finder.ResourceFinder.java

/**
 * Assumes the class specified points to a file in the classpath that contains
 * the name of a class that implements or is a subclass of the specfied class.
 * <p/>/*from w w w  .  j  ava2  s  .com*/
 * Any class that cannot be loaded or assigned to the specified interface will be cause
 * an exception to be thrown.
 * <p/>
 * Example classpath:
 * <p/>
 * META-INF/java.io.InputStream    # contains the classname org.acme.AcmeInputStream
 * META-INF/java.io.InputStream    # contains the classname org.widget.NeatoInputStream
 * META-INF/java.io.InputStream    # contains the classname com.foo.BarInputStream
 * <p/>
 * ResourceFinder finder = new ResourceFinder("META-INF/");
 * List classes = finder.findAllImplementations(java.io.InputStream.class);
 * classes.contains("org.acme.AcmeInputStream");  // true
 * classes.contains("org.widget.NeatoInputStream");  // true
 * classes.contains("com.foo.BarInputStream");  // true
 *
 * @param interfase a superclass or interface
 * @return
 * @throws IOException            if the URL cannot be read
 * @throws ClassNotFoundException if the class found is not loadable
 * @throws ClassCastException     if the class found is not assignable to the specified superclass or interface
 */
public List<Class> findAllImplementations(Class interfase) throws IOException, ClassNotFoundException {
    List<Class> implementations = new ArrayList<Class>();
    List<String> strings = findAllStrings(interfase.getName());
    for (String className : strings) {
        Class impl = classLoaderInterface.loadClass(className);
        if (!interfase.isAssignableFrom(impl)) {
            throw new ClassCastException("Class not of type: " + interfase.getName());
        }
        implementations.add(impl);
    }
    return implementations;
}

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From source file:com.cerema.cloud2.ui.fragment.ShareFileFragment.java

@Override
public void onAttach(Activity activity) {
    super.onAttach(activity);
    try {/*from w  w  w .java  2 s .c  om*/
        mListener = (ShareFragmentListener) activity;
    } catch (ClassCastException e) {
        throw new ClassCastException(
                activity.toString() + " must implement OnShareFragmentInteractionListener");
    }
}

---

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