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:at.wada811.app.fragment.VideoFragment.java

@Override
public void onAttach(Activity activity) {
    super.onAttach(activity);
    LogUtils.i();/*from w  ww .  j  a v a 2  s . co  m*/

    if (activity instanceof VideoCallbackProvider == false) {
        throw new ClassCastException("activity must implements VideoCallbackPicker.");
    }
    VideoCallbackProvider picker = (VideoCallbackProvider) activity;
    mCallback = picker.getVideoCallback();
}

From source file:it.iziozi.iziozi.gui.IOBoardFragment.java

@Override
public void onAttach(Activity activity) {
    super.onAttach(activity);
    try {//  ww w  .j  av a2 s  .  c o  m
        mListener = (OnBoardFragmentInteractionListener) activity;
    } catch (ClassCastException e) {
        throw new ClassCastException(activity.toString() + " must implement OnFragmentInteractionListener");
    }

    Log.d(LOG_TAG, "on attach!");
}

From source file:ca.uhn.fhir.model.api.ExtensionDt.java

/**
 * Returns the value of this extension, casted to a primitive datatype. This is a convenience method which should only be called if you are sure that the value for this particular extension will
 * be a primitive.//from  w  w w .j ava 2  s  .  c  om
 * <p>
 * Note that if this extension contains extensions (instead of a datatype) then <b>this method will return null</b>. In that case, you must use {@link #getUndeclaredExtensions()} and
 * {@link #getUndeclaredModifierExtensions()} to retrieve the child extensions.
 * </p>
 * 
 * @throws ClassCastException
 *             If the value of this extension is not a primitive datatype
 */
public IPrimitiveDatatype<?> getValueAsPrimitive() {
    if (!(getValue() instanceof IPrimitiveDatatype)) {
        throw new ClassCastException("Extension with URL[" + myUrl
                + "] can not be cast to primitive type, type is: " + getClass().getCanonicalName());
    }
    return (IPrimitiveDatatype<?>) getValue();
}

From source file:com.dabay6.android.apps.carlog.ui.base.fragments.BaseDetailFragment.java

/**
 * {@inheritDoc}/*from  ww w .  j av a 2 s .  c om*/
 */
@Override
public void onAttach(final Activity activity) {
    super.onAttach(activity);

    try {
        onEntityDetailListener = (OnEntityDetailListener) activity;
    } catch (final ClassCastException ex) {
        throw new ClassCastException(activity.toString() + " must implement OnEntityDetailListener");
    }
}

From source file:app.com.vaipo.VerifyPhoneFragment.java

@Override
public void onActivityCreated(Bundle savedInstanceState) {
    super.onActivityCreated(savedInstanceState);
    // This makes sure that the container activity has implemented
    // the callback interface. If not, it throws an exception
    try {//from w w  w.  java 2  s  .c  o  m
        mCallback = (RegistrationVerificationListener) getActivity();
    } catch (ClassCastException e) {
        throw new ClassCastException(getActivity().toString() + " must implement LogoutUser");
    }

    appState = (AppState) getActivity().getApplication();
    sharedPreferences = PreferenceManager.getDefaultSharedPreferences(getActivity());

    formatter.initialize();
    initCodes(getActivity());

    LocalBroadcastManager.getInstance(getActivity()).registerReceiver(mMessageReceiver,
            new IntentFilter(Utils.REGISTRATION_STATUS));
}

From source file:com.notepadlite.NoteListFragment.java

@Override
public void onAttach(Activity activity) {
    super.onAttach(activity);
    // Verify that the host activity implements the callback interface
    try {/*  w  w  w .j av  a2  s  . com*/
        // Instantiate the Listener so we can send events to the host
        listener = (Listener) activity;
    } catch (ClassCastException e) {
        // The activity doesn't implement the interface, throw exception
        throw new ClassCastException(activity.toString() + " must implement Listener");
    }
}

From source file:com.boundlessgeo.geoserver.json.JSONWrapper.java

/**
 * Casts the wrapper to an object wrapper.
 *//* ww  w.j  a v a 2s .c  om*/
public JSONArr toArray() {
    if (this instanceof JSONArr) {
        return (JSONArr) this;
    }
    throw new ClassCastException("Not an array");
}

From source file:com.caseybrooks.scripturememory.fragments.HelpFragment.java

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

From source file:com.xhsoft.framework.common.utils.ClassUtil.java

/**
 * //from w w  w  . j  av a  2  s .  c  o  m
 * @param className
 * @param parent
 * @return
 * @throws ClassNotFoundException
 * @throws InstantiationException
 * @throws IllegalAccessException - Object
 * @author: lizj
 */
public static Object getInstance(String className, Class<?> parent)
        throws ClassNotFoundException, InstantiationException, IllegalAccessException {
    Class<?> clazz = ClassUtil.getClass(className);

    if (parent == null) {
        parent = Object.class;
    }

    if (!parent.isAssignableFrom(clazz)) {
        throw new ClassCastException(
                className + " class must be implement the " + parent.getName() + " interface.");
    }

    return clazz.newInstance();
}

From source file:com.royclarkson.springagram.PhotoListFragment.java

@Override
public void onAttach(Activity activity) {
    super.onAttach(activity);
    try {/*from  w w  w  . j  a v  a2  s  .  c o m*/
        this.photoListFragmentListener = (PhotoListFragmentListener) activity;
    } catch (ClassCastException e) {
        throw new ClassCastException(activity.toString() + " must implement OnPhotoSelectedListener");
    }
}