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.ericbarnhill.arrayMath.MathArrayFloat3D.java

protected MathArrayFloat3D divideC(Complex g) {
    throw new ClassCastException("Cannot divide Complex number to double array");
}

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

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

From source file:com.android.contacts.preference.DisplayOptionsPreferenceFragment.java

@Override
public void onAttach(Activity activity) {
    super.onAttach(activity);
    try {/* ww  w.jav a2 s .c om*/
        mListener = (ProfileListener) activity;
    } catch (ClassCastException e) {
        throw new ClassCastException(activity.toString() + " must implement ProfileListener");
    }
}

From source file:com.christophergs.mbientbasic.BothFragment.java

@Override
public void onAttach(Activity activity) {
    super.onAttach(activity);

    // This makes sure that the container activity has implemented
    // the callback interface. If not, it throws an exception
    try {/*from   www.  ja  v a  2s  . c om*/
        mCallback = (OnFragTestListener) activity;
    } catch (ClassCastException e) {
        throw new ClassCastException(activity.toString() + " must implement OnFragTestListener");
    }
}

From source file:fi.uta.infim.usaproxyreportgenerator.App.java

private static void setupDataProvider() {
    // A data provider class can be specified on the CLI.
    if (cli.hasOption("dataProvider")) {
        // Look for JAR files in the plugin dir
        File[] jars = PLUGINS_DIR.listFiles((FileFilter) new WildcardFileFilter("*.jar", IOCase.INSENSITIVE));
        URL[] jarUrls = new URL[jars.length];
        for (int i = 0; i < jars.length; ++i) {
            try {
                jarUrls[i] = jars[i].toURI().toURL();
            } catch (MalformedURLException e) {
                // Skip URL if not valid
                continue;
            }//  www .  j  a  v  a  2s  .c o  m
        }

        ClassLoader loader = URLClassLoader.newInstance(jarUrls, ClassLoader.getSystemClassLoader());
        String className = cli.getOptionValue("dataProvider");

        // Try to load the named class using a class loader. Fall back to
        // default if this fails.
        try {
            @SuppressWarnings("unchecked")
            Class<? extends DataProvider> cliOptionClass = (Class<? extends DataProvider>) Class
                    .forName(className, true, loader);
            if (!DataProvider.class.isAssignableFrom(cliOptionClass)) {
                throw new ClassCastException(cliOptionClass.getCanonicalName());
            }
            dataProviderClass = cliOptionClass;
        } catch (ClassNotFoundException e) {
            System.out.flush();
            System.err.println("Specified data provider class not found: " + e.getMessage());
            System.err.println("Falling back to default provider.");
        } catch (ClassCastException e) {
            System.out.flush();
            System.err.println("Specified data provider class is invalid: " + e.getMessage());
            System.err.println("Falling back to default provider.");
        }
        System.err.flush();
    }
}

From source file:com.app4am.app4am.LatestNewsListFragment.java

@Override
public void onAttach(Activity activity) {
    super.onAttach(activity);
    try {//  w ww.  ja v a  2 s .c  om
        mListener = (SwipeRefreshFragmentInterface) getActivity();
    } catch (ClassCastException e) {
        throw new ClassCastException("Activity must implement SwipeRefreshFragmentInterface.");
    }
}

From source file:com.buffalokiwi.aerodrome.jet.Utils.java

/**
 * Convert a json array to a list of JsonObject instances.
 * if arr is null, then an empty List<JsonObject> instance is returned.
 * /* w w w.j  av a2s.c  o  m*/
 * This is more safe than JsonArray.getValuesAs() as this method
 * has built-in type checking and will throw a ClassCastException if 
 * the type is incorrect or null.
 * 
 * @param arr array
 * @return a list
 * @throws ClassCastException if any element in arr is not convertable to JsonObject
 */
public static List<JsonObject> jsonArrayToJsonObjectList(final JsonArray arr) {
    final List<JsonObject> out = new ArrayList<>();
    if (arr == null)
        return out;

    for (int i = 0; i < arr.size(); i++) {
        final JsonObject o = arr.getJsonObject(i);
        if (o == null) {
            throw new ClassCastException(
                    "Element at position " + String.valueOf(i) + " is null - JsonObject required");
        }

        out.add(o);
    }

    return out;
}

From source file:ca.ualberta.cs.cmput301w15t04team04project.FragmentEditItem2.java

/**
 * <p>This part of code is copied from:<br>
 * {@link http://stackoverflow.com/questions/13116104/best-practice-to-reference-the-parent-activity-of-a-fragment}
 * @since March 26//from  w  ww . j a  va 2  s . c o m
 */
@Override
public void onAttach(Activity activity) {
    super.onAttach(activity);
    try {
        myActivity = (EditItemActivity) activity;
    } catch (ClassCastException e) {
        throw new ClassCastException(activity.toString() + " must be EditItemActivity ");
    }
}

From source file:ezbake.data.elastic.thrift.DateField.java

@Override
protected void checkType(_Fields setField, Object value) throws ClassCastException {
    switch (setField) {
    case _FIELD:// w w  w .  j av a  2  s .co m
        if (value instanceof String) {
            break;
        }
        throw new ClassCastException("Was expecting value of type String for field '_field', but got "
                + value.getClass().getSimpleName());
    case KEY_VALUE_DATE_FIELD:
        if (value instanceof KeyValueFacet) {
            break;
        }
        throw new ClassCastException(
                "Was expecting value of type KeyValueFacet for field 'keyValueDateField', but got "
                        + value.getClass().getSimpleName());
    case KEY_VALUE_DATE_SCRIPT:
        if (value instanceof KeyValueDateScript) {
            break;
        }
        throw new ClassCastException(
                "Was expecting value of type KeyValueDateScript for field 'keyValueDateScript', but got "
                        + value.getClass().getSimpleName());
    default:
        throw new IllegalArgumentException("Unknown field id " + setField);
    }
}

From source file:com.conferenceengineer.android.iosched.ui.SessionsFragment.java

@Override
public void onAttach(Activity activity) {
    super.onAttach(activity);
    if (!(activity instanceof Callbacks)) {
        throw new ClassCastException("Activity must implement fragment's callbacks.");
    }//from   w  w w .j  a  v  a2 s  .com

    mCallbacks = (Callbacks) activity;
    activity.getContentResolver().registerContentObserver(ScheduleContract.Sessions.CONTENT_URI, true,
            mObserver);

    SharedPreferences sp = PreferenceManager.getDefaultSharedPreferences(activity);
    sp.registerOnSharedPreferenceChangeListener(mPrefChangeListener);
}