Example usage for java.lang Class cast

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.portal.spring.extender.internal.bean.ApplicationContextServicePublisher.java

protected Set<Class<?>> getInterfaces(Object object) throws Exception {
    Class<? extends Object> clazz = getTargetClass(object);

    OSGiBeanProperties osgiBeanProperties = AnnotationUtils.findAnnotation(clazz, OSGiBeanProperties.class);

    if (osgiBeanProperties == null) {
        return new HashSet<>(Arrays.asList(ReflectionUtil.getInterfaces(object)));
    }//from   w  w w .  j a  v a2s.  c  o  m

    Class<?>[] serviceClasses = osgiBeanProperties.service();

    if (serviceClasses.length == 0) {
        return new HashSet<>(Arrays.asList(ReflectionUtil.getInterfaces(object)));
    }

    for (Class<?> serviceClazz : serviceClasses) {
        serviceClazz.cast(object);
    }

    return new HashSet<>(Arrays.asList(osgiBeanProperties.service()));
}

From source file:ch.algotrader.config.ConfigLocator.java

public <T> T getConfig(final Class<T> clazz) {
    if (clazz == null) {
        return null;
    }//from  ww w . j a va 2  s.c o m
    synchronized (this.beanMap) {
        T bean = clazz.cast(this.beanMap.get(clazz));
        if (bean == null) {
            bean = new ConfigBeanFactory().create(this.configParams, clazz);
            this.beanMap.put(clazz, bean);
        }
        return bean;
    }
}

From source file:com.github.rinde.rinsim.core.model.rand.RandomModel.java

@Override
@Nonnull/*from  ww w .  j a v a 2s. c  om*/
public <U> U get(Class<U> clazz) {
    if (clazz == RandomProvider.class) {
        return clazz.cast(new RngProvider());
    }
    throw new IllegalArgumentException();
}

From source file:org.jboss.spring.deployers.AbstractSpringMetaDataDeployer.java

/**
 * Do a jndi lookup for bean factory.//www . j  a  va 2  s. com
 *
 * @param name the jndi name
 * @return bean factory instance
 * @throws Exception for any exception
 */
protected T lookup(String name) throws Exception {
    Class<T> beanFactoryClass = getExactBeanFactoryClass();
    T beanFactory = beanFactoryClass.cast(Util.lookup(name, beanFactoryClass));
    if (log.isTraceEnabled()) {
        log.trace("Found Spring bean factory [" + name + "]: " + beanFactory);
    }
    return beanFactory;
}

From source file:org.openrdf.repository.sail.SailRepository.java

private <T> T findSailOf(Sail sail, Class<T> type) {
    if (type.isInstance(sail)) {
        return type.cast(sail);
    } else if (sail instanceof StackableSail) {
        return findSailOf(((StackableSail) sail).getBaseSail(), type);
    } else {/*  w  ww .j a v  a 2 s.  c  o m*/
        return null;
    }
}

From source file:com.flexive.cmis.spi.FlexiveRepository.java

public <T> T getExtension(Class<T> klass) {
    if (klass == CopyDocumentExtension.class) {
        return klass.cast(CopyDocument.getInstance());
    }/*from  w w w. j a  v  a2  s.co m*/
    return null;
}

From source file:de.perdian.commons.i18n.polyglot.PolyglotImpl.java

@Override
public T getInstance(Locale locale) {
    if (locale == null) {
        throw new IllegalArgumentException("Parameter 'locale' must not be null");
    } else {// w w  w  . j  av a 2s  .co  m
        T cachedInstance = this.getLocaleToInstanceCache().get(locale);
        if (cachedInstance == null) {
            Class<T> instanceClass = this.getInstanceClass();
            cachedInstance = instanceClass.cast(Proxy.newProxyInstance(instanceClass.getClassLoader(),
                    new Class[] { instanceClass }, this.createInvocationHandler(locale)));
            this.getLocaleToInstanceCache().put(locale, cachedInstance);
        }
        return cachedInstance;
    }
}

From source file:hudson.model.Actionable.java

/**
 * Gets all actions of a specified type that contributed to this build.
 *
 * @param type The type of action to return.
 * @return//w w w.  jav a  2  s .  c  om
 *      may be empty but never null.
 * @see #getAction(Class)
 */
public <T extends Action> List<T> getActions(Class<T> type) {
    List<T> result = new Vector<T>();
    for (Action a : getActions())
        if (type.isInstance(a))
            result.add(type.cast(a));
    return result;
}

From source file:ratpack.jackson.internal.JsonParser.java

@Override
public <T> T parse(Context context, TypedData body, Parse<T, JsonParseOpts> parse) {
    JsonParseOpts opts = parse.getOpts();
    Class<T> type = parse.getType();

    ObjectMapper objectMapper = getObjectMapper(opts);
    try {// w  w w.  j  av a 2 s.  c o m
        InputStream inputStream = body.getInputStream();
        if (type.equals(JsonNode.class)) {
            return type.cast(objectMapper.readTree(inputStream));
        } else {
            return objectMapper.readValue(inputStream, type);
        }
    } catch (IOException e) {
        throw uncheck(e);
    }
}

From source file:com.medallia.tiny.ObjectProvider.java

/**
 * Ensures that o is of type X and registers it.
 * Casts a {@link ClassCastException} if o is not of type X
 * @return this ObjectProvider//  w  w w  .  jav a  2  s. co m
 */
public <X> ObjectProvider castAndRegister(Class<X> c, Object o) {
    return register(c, c.cast(o));
}