Example usage for java.lang.reflect ParameterizedType getActualTypeArguments

Introduction

In this page you can find the example usage for java.lang.reflect ParameterizedType getActualTypeArguments.

Prototype

Type[] getActualTypeArguments();

Source Link

Document

Returns an array of Type objects representing the actual type arguments to this type.

Usage

From source file:org.craftercms.commerce.server.BaseCRUDService.java

@SuppressWarnings("unchecked")
protected Class<T> getTypeArgument() {
    ParameterizedType parameterizedType = (ParameterizedType) getClass().getGenericSuperclass();
    return (Class<T>) parameterizedType.getActualTypeArguments()[0];
}

From source file:org.jcurl.core.ui.TaskExecutorTest.java

public void testRTTI() {
    assertEquals(0, MessageBase1.class.getGenericInterfaces().length);
    assertEquals(//  www  .  jav a 2  s  .  c  o m
            "org.jcurl.core.ui.TaskExecutor.org.jcurl.core.ui.TaskExecutor$ForkableFixed<org.jcurl.core.ui.TaskExecutor$SwingEDT>",
            MessageBase1.class.getGenericSuperclass().toString());
    ParameterizedType pt = (ParameterizedType) MessageBase1.class.getGenericSuperclass();
    assertEquals(SwingEDT.class, pt.getActualTypeArguments()[0]);

    assertEquals(1, Message1.class.getGenericInterfaces().length);
    assertEquals(Object.class, Message1.class.getGenericSuperclass());
    pt = (ParameterizedType) Message1.class.getGenericInterfaces()[0];
    assertEquals(SwingEDT.class, pt.getActualTypeArguments()[0]);

    assertEquals(SwingEDT.class, TaskExecutor.findMessageTypeParam(Message1.class));
    assertEquals(SwingEDT.class, TaskExecutor.findMessageTypeParam(MessageBase1.class));
}

From source file:dao.imp.AbstractHbnDao.java

private Class<T> getDomainClass() {
    if (domainClass == null) {
        ParameterizedType thisType = (ParameterizedType) getClass().getGenericSuperclass();
        this.domainClass = (Class<T>) thisType.getActualTypeArguments()[0];
    }/* w w w.  j  a  v  a 2 s  .  c  o  m*/
    return domainClass;
}

From source file:com.smhdemo.common.base.JpaDao.java

@SuppressWarnings("unchecked")
public JpaDao() {
    ParameterizedType genericSuperclass = (ParameterizedType) getClass().getGenericSuperclass();
    this.entityClass = (Class<E>) genericSuperclass.getActualTypeArguments()[1];
}

From source file:de.openknowledge.jaxrs.versioning.conversion.FieldVersionProperty.java

@Override
public Class<?> getCollectionElementType() {
    // TODO improve generics resolution
    ParameterizedType type = (ParameterizedType) field.getGenericType();
    return (Class<?>) type.getActualTypeArguments()[0];
}

From source file:org.devproof.portal.core.config.factory.DevproofClassPathBeanDefinitionScanner.java

/**
 * Entity class is always the first generic type
 * @param clazz type/*from   w w w  .j ava2  s .  c  o  m*/
 * @return entity class
 */
private Class<?> getEntityClazz(Class<?> clazz) {
    Type[] types = clazz.getGenericInterfaces();
    ParameterizedType type = (ParameterizedType) types[0];
    return (Class<?>) type.getActualTypeArguments()[0];
}

From source file:be.wolkmaan.klimtoren.persistence.HibernateRepository.java

private Class<T> genericClass() {
    ParameterizedType parameterizedType = (ParameterizedType) getClass().getGenericSuperclass();

    @SuppressWarnings("unchecked")
    Class<T> ret = (Class<T>) parameterizedType.getActualTypeArguments()[0];

    return ret;/* w  w  w.j  a  va2  s .c  o m*/
}

From source file:emlab.repository.AbstractRepository.java

@SuppressWarnings("unchecked")
public Class<T> getActualType() {
    ParameterizedType parameterizedType = (ParameterizedType) getClass().getGenericSuperclass();
    return (Class<T>) parameterizedType.getActualTypeArguments()[0];
}

From source file:org.simbasecurity.manager.service.rest.resolver.JSonArgumentResolver.java

private Collection<?> readAsCollection(ObjectMapper objectMapper, JsonNode objectNode,
        MethodParameter methodParameter) throws Exception {
    Collection<Object> collection = (Collection<Object>) createCollection(methodParameter.getParameterType());
    ParameterizedType type = (ParameterizedType) methodParameter.getGenericParameterType();
    Class<?> actualType = (Class<?>) type.getActualTypeArguments()[0];
    for (JsonNode jsonNode : objectNode) {
        collection.add(objectMapper.readValue(jsonNode, actualType));
    }/* w w  w.  jav a2s.  c  om*/
    return collection;
}

From source file:ws.util.AbstractJSONCoder.java

@Override
public void init(EndpointConfig endpointConfig) {

    ParameterizedType $thisClass = (ParameterizedType) this.getClass().getGenericSuperclass();
    Type $T = $thisClass.getActualTypeArguments()[0];
    if ($T instanceof Class) {
        type = (Class<T>) $T;
    } else if ($T instanceof ParameterizedType) {
        type = (Class<T>) ((ParameterizedType) $T).getRawType();
    }//  w w  w  . j  a v a2 s .c  om
}