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() 

Source Link

Document

Constructs a ClassCastException with no detail message.

Usage

From source file:com.quatico.base.aem.test.api.builders.AbstractBuilder.java

protected <R> R getValue(String property, Class<R> type) throws IllegalStateException {
    try {/*from   w  w w  . j a va2  s . co  m*/
        Object result = getChild(property, AbstractBuilder.class).getResult();
        if (result == null) {
            throw new IllegalStateException();
        }
        if (wrapPrimitive(type).isAssignableFrom(result.getClass())) {
            //noinspection unchecked
            return (R) result;
        }
        throw new ClassCastException();
    } catch (ClassCastException | IllegalPropertyException ex) {
        throw new IllegalStateException(ex);
    }
}

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From source file:com.android.i18n.addressinput.JsoMap.java

/**
 * Retrieve the JsoMap object for specified key.
 *
 * @param key key name./* ww w .ja va2  s .  c  om*/
 * @return JsoMap object.
 * @throws ClassCastException, IllegalArgumentException.
 */
@SuppressWarnings("unchecked")
// JSONObject.keys() has no type information.
JsoMap getObj(String key) throws ClassCastException, IllegalArgumentException {
    try {
        Object o = super.get(key);
        if (o instanceof JSONObject) {
            JSONObject value = (JSONObject) o;
            ArrayList<String> keys = new ArrayList<String>(value.length());
            for (Iterator<String> it = value.keys(); it.hasNext();) {
                keys.add(it.next());
            }
            String[] names = new String[keys.size()];
            return new JsoMap(value, keys.toArray(names));
        } else if (o instanceof Integer) {
            throw new IllegalArgumentException();
        } else {
            throw new ClassCastException();
        }
    } catch (JSONException e) {
        return null;
    }
}

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From source file:com.link_intersystems.lang.ContextAwareTest.java

@Test
public void proxyThrowsException() throws Exception {
    final TestContextAware contextAware = new TestContextAware();
    TargetInterface targetInterface = createStrictMock(TargetInterface.class);

    expect(targetInterface.concat("HELLO ", "WORLD")).andAnswer(new IAnswer<String>() {

        public String answer() throws Throwable {
            assertTrue(contextAware.isActivated());
            Method2 method = contextAware.getInvocationMethod();
            Assert.assertNotNull(method);
            Method declaredMethod = TargetInterface.class.getDeclaredMethod("concat", String.class,
                    String.class);
            Assert.assertEquals(declaredMethod, method.getMember());
            throw new ClassCastException();
        }//from   www .j  av  a2 s.  c  o m
    });

    replay(targetInterface);
    TargetInterface targetInterfaceContextAware = contextAware.createContextProxy(targetInterface);
    Method2 method = contextAware.getInvocationMethod();
    Assert.assertNull(method);
    try {
        targetInterfaceContextAware.concat("HELLO ", "WORLD");
    } catch (ClassCastException illegalAccessException) {
        method = contextAware.getInvocationMethod();
        Assert.assertNull(method);
    }
    assertFalse(contextAware.isActivated());
}

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From source file:org.jtransfo.internal.ConverterHelperTest.java

@Test
public void testGetDeclaredTypeConverterCce() throws Exception {
    MappedBy mappedBy = mock(MappedBy.class);
    when(mappedBy.typeConverterClass()).thenReturn(MappedBy.DefaultTypeConverter.class);
    when(mappedBy.typeConverter()).thenReturn(NoConversionTypeConverter.class.getName());
    when(mappedBy.field()).thenReturn(MappedBy.DEFAULT_FIELD);
    when(reflectionHelper.newInstance(NoConversionTypeConverter.class.getName()))
            .thenThrow(new ClassCastException());

    exception.expect(JTransfoException.class);
    exception.expectMessage("Declared TypeConverter class org.jtransfo.NoConversionTypeConverter "
            + "cannot be cast to a TypeConverter.");
    converterHelper.getDeclaredTypeConverter(mappedBy);
}

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From source file:com.anrisoftware.globalpom.measurement.AbstractValue.java

@Override
public int compareTo(Object o) {
    if (o instanceof Value) {
        return compare((Value) o);
    }/*w w  w.j  a  va2s.  c  om*/
    if (o instanceof Number) {
        return compare((Number) o);
    }
    throw new ClassCastException();
}

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From source file:net.mlw.vlh.ValueListInfo.java

/**
    * Extracts a value with the given key from filters and converts it to a String.
    * If it isn't a String a warning is logged and null is returned.
    * //  ww w. j av  a  2s.  c o  m
    * @param key
    * @return The value stored under the key in filters or null if not present or not a String.
    */
protected String getFilterParameterAsString(String key) {
    Object parameter = filters.get(key);

    if (parameter != null) {
        if (parameter instanceof String) {
            return (String) parameter;
        } else {
            if (LOGGER.isWarnEnabled()) {
                LOGGER.warn("Parameters contain the parameter '" + key
                        + "' but it isn't String, as expected. It is a " + parameter.getClass()
                        + " with the value " + parameter, new ClassCastException());
            }
        }
    }
    return null;
}

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From source file:android.app.FragmentState.java

/**
 * Create a new instance of a Fragment with the given class name.  This is
 * the same as calling its empty constructor.
 *
 * @param context The calling context being used to instantiate the fragment.
 * This is currently just used to get its ClassLoader.
 * @param fname The class name of the fragment to instantiate.
 * @param args Bundle of arguments to supply to the fragment, which it
 * can retrieve with {@link #getArguments()}.  May be null.
 * @return Returns a new fragment instance.
 * @throws InstantiationException If there is a failure in instantiating
 * the given fragment class.  This is a runtime exception; it is not
 * normally expected to happen.//from   ww w . j  ava 2 s.  c  o  m
 */
public static Fragment instantiate(Context context, String fname, @Nullable Bundle args) {
    try {
        Class<?> clazz = sClassMap.get(fname);
        if (clazz == null) {
            // Class not found in the cache, see if it's real, and try to add it
            clazz = context.getClassLoader().loadClass(fname);
            if (!Fragment.class.isAssignableFrom(clazz)) {
                throw new InstantiationException(
                        "Trying to instantiate a class " + fname + " that is not a Fragment",
                        new ClassCastException());
            }
            sClassMap.put(fname, clazz);
        }
        Fragment f = (Fragment) clazz.newInstance();
        if (args != null) {
            args.setClassLoader(f.getClass().getClassLoader());
            f.mArguments = args;
        }
        return f;
    } catch (ClassNotFoundException e) {
        throw new InstantiationException("Unable to instantiate fragment " + fname
                + ": make sure class name exists, is public, and has an" + " empty constructor that is public",
                e);
    } catch (java.lang.InstantiationException e) {
        throw new InstantiationException("Unable to instantiate fragment " + fname
                + ": make sure class name exists, is public, and has an" + " empty constructor that is public",
                e);
    } catch (IllegalAccessException e) {
        throw new InstantiationException("Unable to instantiate fragment " + fname
                + ": make sure class name exists, is public, and has an" + " empty constructor that is public",
                e);
    }
}

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From source file:jp.terasoluna.fw.web.struts.form.DynaValidatorActionFormExTest.java

/**
 * testReset02() <br>//  w w w .ja  v  a2  s  . c  o m
 * <br>
 *
 * (??n)
 * <br>
 * _?FC
 * <br><br>
 * l?F(?) mapping:not null<br>
 *         (?) request:ftHgW?[i[NGXgIuWFNg<br>
 *         (?) resetter:ResetterOIuWFNg<br>
 *
 * <br>
 * l?F(l) void:?|<br>
 *         (?) DynaValidatorActionFormEx_ResetterStub01#reset():?s<br>
 *         (?) ?O:??O?<br>
 *                    G?[?O?F""<br>
 *                    ?O?<br>
 *                    ClassCastException<br>
 *
 * <br>
 * ftHgW?[i[NGXgIuWFNg??AResetterOIuWFNg???A?O?o?A?ImF?B
 * <br>
 *
 * @throws Exception
 *             ?\bh?O
 */
public void testReset02() throws Exception {
    // NGXg??
    MockHttpServletRequest request = new MockHttpServletRequest();
    // ZbV??
    MockHttpSession session = new MockHttpSession();
    // ReLXg??
    MockServletContext context = new MockServletContext();
    // ANVT?[ubg??
    DynaValidatorActionFormEx_ActionServletStub01 servlet = new DynaValidatorActionFormEx_ActionServletStub01();
    // vtBbNX??
    String prefix = "";
    // W?[????
    ModuleConfig moduleConfig = new ModuleConfigImpl(prefix);
    // }bsO???
    ActionMapping mapping = new ActionMapping();

    // ?
    request.setSession(session);
    request.setAttribute(Globals.MODULE_KEY, moduleConfig);
    session.setServletContext(context);
    context.setAttribute(Resetter.RESETTER_KEY + prefix, new Object());
    context.setAttribute(Globals.MODULE_KEY, moduleConfig);
    this.formEx.setServlet(servlet);
    servlet.setContext(context);

    // eXg?s
    this.formEx.reset(mapping, request);

    // eXgmF
    assertTrue(LogUTUtil.checkError("", new ClassCastException()));
}

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From source file:jp.terasoluna.fw.web.struts.form.DynaValidatorActionFormExTest.java

/**
 * testReset05() <br>/*from w  w  w. j  a v  a  2  s .  c  o  m*/
 * <br>
 *
 * (??n)
 * <br>
 * _?FC
 * <br><br>
 * l?F(?) mapping:not null<br>
 *         (?) request:TuW?[i[NGXgIuWFNg<br>
 *         (?) resetter:ResetterOIuWFNg<br>
 *
 * <br>
 * l?F(l) void:?|<br>
 *         (?) DynaValidatorActionFormEx_ResetterStub01#reset():?s<br>
 *         (?) ?O:??O?<br>
 *                    G?[?O?F""<br>
 *                    ?O?<br>
 *                    ClassCastException<br>
 *
 * <br>
 * TuW?[i[NGXgIuWFNg??AResetterOIuWFNg???A?O?o?A?ImF?B
 * <br>
 *
 * @throws Exception
 *             ?\bh?O
 */
public void testReset05() throws Exception {
    // NGXg??
    MockHttpServletRequest request = new MockHttpServletRequest();
    // ZbV??
    MockHttpSession session = new MockHttpSession();
    // ReLXg??
    MockServletContext context = new MockServletContext();
    // ANVT?[ubg??
    DynaValidatorActionFormEx_ActionServletStub01 servlet = new DynaValidatorActionFormEx_ActionServletStub01();
    // vtBbNX??
    String prefix = "sub1";
    // W?[????
    ModuleConfig moduleConfig = new ModuleConfigImpl(prefix);
    // }bsO???
    ActionMapping mapping = new ActionMapping();

    // ?
    request.setSession(session);
    request.setAttribute(Globals.MODULE_KEY, moduleConfig);
    session.setServletContext(context);
    context.setAttribute(Resetter.RESETTER_KEY + prefix, new Object());
    context.setAttribute(Globals.MODULE_KEY, moduleConfig);
    this.formEx.setServlet(servlet);
    servlet.setContext(context);

    // eXg?s
    this.formEx.reset(mapping, request);

    // eXgmF
    assertTrue(LogUTUtil.checkError("", new ClassCastException()));
}

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From source file:WeakIdentityMap.java

static int compare(Object a, Object b) {
    if (a == b) {
        return 0;
    }//from   w w  w  .  ja  v a  2 s .c om
    if (a == null) {
        return 1;
    }
    if (b == null) {
        return -1;
    }
    Class ac = a.getClass();
    if (!(ac.isArray())) {
        return ((Comparable) a).compareTo(b);
    }
    if (ac != b.getClass()) {
        throw new ClassCastException();
    }
    if (a instanceof Object[]) {
        return compare((Object[]) a, (Object[]) b);
    } else if (a instanceof int[]) {
        return compare((int[]) a, (int[]) b);
    } else if (a instanceof float[]) {
        return compare((float[]) a, (float[]) b);
    } else if (a instanceof long[]) {
        return compare((long[]) a, (long[]) b);
    } else if (a instanceof double[]) {
        return compare((double[]) a, (double[]) b);
    } else if (a instanceof byte[]) {
        return compare((byte[]) a, (byte[]) b);
    } else if (a instanceof char[]) {
        return compare((char[]) a, (char[]) b);
    } else if (a instanceof boolean[]) {
        return compare((boolean[]) a, (boolean[]) b);
    } else if (a instanceof short[]) {
        return compare((short[]) a, (short[]) b);
    } else {
        throw new ClassCastException();
    }
}

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