Example usage for java.lang Class cast

List of usage examples for java.lang Class cast

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Introduction

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

Prototype

@SuppressWarnings("unchecked")
@HotSpotIntrinsicCandidate
public T cast(Object obj)

Source Link

Document

Casts an object to the class or interface represented by this Class object.

Usage

From source file:com.liferay.ide.maven.core.NewMavenJSFModuleProjectProvider.java

@Override
public <T> List<T> getData(String key, Class<T> type, Object... params) {
    if ("archetypeGAV".equals(key) && type.equals(String.class) && (params.length == 1)) {
        List<T> retval = new ArrayList<>();

        String templateName = params[0].toString();

        Version latestVersion = _extractLatestVersion(
                "com.liferay.faces.archetype." + templateName + ".portlet");

        String gav = "com.liferay.faces.archetype:com.liferay.faces.archetype." + templateName + ".portlet:"
                + latestVersion.toString();

        retval.add(type.cast(gav));

        return retval;
    }//from   w  w  w.java 2s .  c  om

    return super.getData(key, type, params);
}

From source file:com.rodaxsoft.mailgun.converters.ListMemberConverter.java

@Override
public <T> T convert(Class<T> type, Object value) {

    ListMember lm = null;//  w w w  . j  av a2s  .  co  m

    if (value instanceof JSONObject) {
        JSONObject jsonObj = (JSONObject) value;

        lm = new ListMember();
        lm.setAddress(jsonObj.getString("address"));
        lm.setName(jsonObj.getString("name"));
        lm.setSubscribed(jsonObj.getBoolean("subscribed"));

        JSONObject varsObj = jsonObj.optJSONObject("vars");

        if (varsObj != null) {

            //Use a converter if varClass defined
            if (varClass != null && ConvertUtils.lookup(JSONObject.class, varClass) != null) {
                lm.setVars(ConvertUtils.convert(varsObj, varClass));
            }

            else {
                lm.setVars(varsObj);
            }
        }

    }

    return type.cast(lm);
}

From source file:com.google.flatbuffers.Table.java

@SuppressWarnings("unchecked")
@Override//from w  ww  . j  ava 2s  .c o  m
public <Any> Any clone(Map<String, Object> mutate) throws Exception {
    Object oData = null;
    Class<?> cls = this.getClass();
    try {
        FlatBufferBuilder b = new FlatBufferBuilder();
        int root_table = this.clone(b, mutate);
        b.finish(root_table);
        Method m = cls.getDeclaredMethod("getRootAs" + cls.getSimpleName(),
                new Class<?>[] { ByteBuffer.class });
        oData = m.invoke(null, new Object[] { b.dataBuffer() });
    } catch (Exception e) {
        e.printStackTrace();
        throw e;
    }
    return (Any) cls.cast(oData);
}

From source file:com.atlassian.jira.ComponentManager.java

/**
 * Returns all the components currently inside Pico which are instances of the given class, mapping them to their
 * component key./*from   w w w.  j  ava2s  .c o  m*/
 *
 * @param iface The class to search for
 * @return a map, mapping the component key, to the instances of the clas registered in JIRA's pico container.
 */
public static <T> Map<String, T> getComponentsOfTypeMap(final Class<T> iface) {
    final PicoContainer picoContainer = getInstance().getContainer();
    final List<ComponentAdapter<T>> componentAdaptersOfType = picoContainer.getComponentAdapters(iface);

    final Map<String, T> implementations = new HashMap<String, T>();
    for (final ComponentAdapter<T> componentAdapter : componentAdaptersOfType) {
        final T componentInstance = iface.cast(componentAdapter.getComponentInstance(picoContainer));
        implementations.put(String.valueOf(componentAdapter.getComponentKey()), componentInstance);
    }
    return Collections.unmodifiableMap(implementations);
}

From source file:org.openmeetings.app.data.basic.Configurationmanagement.java

/**
 * Return a object using a custom type and a default value if the key is not present
 * /*  w  ww.j a v a  2 s.  c  om*/
 * Example: Integer my_key = getConfValue("my_key", Integer.class, "15");
 * 
 * @param CONF_KEY
 * @param typeObject
 * @param defaultValue
 * @return
 */
public <T> T getConfValue(String CONF_KEY, Class<T> typeObject, String defaultValue) {
    try {
        Configuration conf_reminder = getConfKey(3L, CONF_KEY);

        if (conf_reminder == null) {
            log.warn("Could not find key in configuration CONF_KEY: " + CONF_KEY);
        } else {
            // Use the custom value as default value
            defaultValue = conf_reminder.getConf_value();
        }

        // Either this can be directly assigned or try to find a constructor
        // that handles it
        if (typeObject.isAssignableFrom(defaultValue.getClass())) {
            return typeObject.cast(defaultValue);
        }
        Constructor<T> c = typeObject.getConstructor(defaultValue.getClass());
        return c.newInstance(defaultValue);

    } catch (Exception err) {
        log.error("cannot be cast to return type, you have misconfigured your configuration CONF_KEY: "
                + CONF_KEY, err);
        return null;
    }
}

From source file:org.opennms.netmgt.ncs.rest.AbstractSpringJerseyRestTestCase.java

protected <T> T getXmlObject(JAXBContext context, String url, int expectedStatus, Class<T> expectedClass)
        throws Exception {
    MockHttpServletRequest request = createRequest(GET, url);
    MockHttpServletResponse response = createResponse();
    dispatch(request, response);/*w w w.ja  v  a 2  s.  c o  m*/
    assertEquals(expectedStatus, response.getStatus());

    System.err.printf("xml: %s\n", response.getContentAsString());

    InputStream in = new ByteArrayInputStream(response.getContentAsByteArray());

    Unmarshaller unmarshaller = context.createUnmarshaller();

    T result = expectedClass.cast(unmarshaller.unmarshal(in));

    return result;

}

From source file:biz.neustar.pc.ui.manager.impl.PersonalCloudManagerImpl.java

public <Entity> Entity handleException(ResponseData responsedata, Class<Entity> entityType) {
    int status = responsedata.getStatus();
    Entity entity = null;/*ww  w  .  j  a  v  a2  s. c  o m*/
    if (!(status == HttpStatus.SC_OK || status == HttpStatus.SC_CREATED
            || status == HttpStatus.SC_NO_CONTENT)) {
        PCloudError error;
        try {
            error = new ObjectMapper().readValue(responsedata.getBody(), PCloudError.class);
            throw new PCloudUIException(error.getErrorCode(), error.getErrorMessage(),
                    responsedata.getStatus());
        } catch (IOException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }

    } else {

        try {

            entity = entityType.cast(new ObjectMapper().readValue(responsedata.getBody(), entityType));

        } catch (Exception e) {
            LOGGER.info("inside exception");
            e.printStackTrace();
        }

    }
    return entity;

}

From source file:net.camelpe.extension.camel.spi.CdiRegistry.java

/**
 * @see org.apache.camel.spi.Registry#lookupByType(java.lang.Class)
 *//*  www  .  j  av a  2  s  .co  m*/
@Override
public <T> Map<String, T> lookupByType(final Class<T> type) {
    Validate.notNull(type, "type");
    getLog().trace("Looking up all beans having expected type = [{}] in CDI registry ...", type.getName());

    final Set<Bean<?>> beans = getDelegate().getBeans(type);
    if (beans.isEmpty()) {
        getLog().debug("Found no beans having expected type = [{}] in CDI registry.", type.getName());

        return Collections.emptyMap();
    }
    getLog().debug("Found [{}] beans having expected type = [{}] in CDI registry.",
            Integer.valueOf(beans.size()), type.getName());

    final Map<String, T> beansByName = new HashMap<String, T>(beans.size());
    final CreationalContext<?> creationalContext = getDelegate().createCreationalContext(null);
    for (final Bean<?> bean : beans) {
        beansByName.put(bean.getName(), type.cast(getDelegate().getReference(bean, type, creationalContext)));
    }

    return beansByName;
}

From source file:org.cleverbus.core.AbstractOperationRouteTest.java

/**
 * Sends the test request to the Sync route (as if it was received via Spring WS).
 *
 * @param requestXML    the request payload (XML) to send
 * @param responseClass {@link String}.class to get the response body as String,
 *                      or the class to unmarshal the response body to using JAXB
 * @return the result as the specified class
 * @throws Exception//from  ww w .  j a  va  2 s  .com
 */
protected <T> T sendSyncMessage(String requestXML, Class<T> responseClass) throws Exception {
    Exchange result = sendSyncMessage(requestXML);
    Exception exception = result.getException();
    if (exception != null) {
        throw exception;
    }
    String responseXML = result.getOut().getMandatoryBody(String.class);
    if (responseClass.isAssignableFrom(String.class)) {
        return responseClass.cast(responseXML);
    }
    return unmarshalFragment(responseXML, responseClass);
}