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:net.easysmarthouse.service.scripting.ScriptDecoratorPointcut.java

@Override
public boolean matches(Method method, Class<?> type) {
    Class<?> returnType = method.getReturnType();
    if (returnType == Device.class) {
        return true;
    }/*ww  w  . j ava  2  s  . com*/

    if (Collection.class.isAssignableFrom(returnType)) {
        Type genericReturnType = method.getGenericReturnType();
        if (genericReturnType instanceof ParameterizedType) {
            ParameterizedType listType = (ParameterizedType) genericReturnType;
            Type[] actualTypeArgs = listType.getActualTypeArguments();

            if (actualTypeArgs != null && actualTypeArgs.length != 0) {
                Class<?> listClass = (Class<?>) actualTypeArgs[0];
                if (listClass == Device.class) {
                    return true;
                }
            }
        }
    }

    return false;
}

From source file:com.ngdata.hbaseindexer.rest.IndexerDefinitionsMessageBodyWriter.java

@Override
public boolean isWriteable(Class<?> type, Type genericType, Annotation[] annotations, MediaType mediaType) {
    if (Collection.class.isAssignableFrom(type) && mediaType.isCompatible(MediaType.APPLICATION_JSON_TYPE)) {
        if (genericType instanceof ParameterizedType) {
            ParameterizedType parameterizedType = (ParameterizedType) genericType;
            if (Arrays.asList(parameterizedType.getActualTypeArguments()).contains(IndexerDefinition.class)) {
                return true;
            }// w w w. ja  v  a2  s .c  o  m
        }
    }
    return false;
}

From source file:com.hc.wx.server.common.bytecode.ReflectUtils.java

public static Class<?> getGenericClass(Class<?> cls, int i) {
    try {//from   w w w .j  a  v  a2 s.  c  o m
        ParameterizedType parameterizedType = ((ParameterizedType) cls.getGenericInterfaces()[0]);
        Object genericClass = parameterizedType.getActualTypeArguments()[i];
        if (genericClass instanceof ParameterizedType) { // ?
            return (Class<?>) ((ParameterizedType) genericClass).getRawType();
        } else if (genericClass instanceof GenericArrayType) { // ?
            return (Class<?>) ((GenericArrayType) genericClass).getGenericComponentType();
        } else if (((Class) genericClass).isArray()) {
            //  JDK 7 , Foo<int[]> ?? GenericArrayType
            return ((Class) genericClass).getComponentType();
        } else {
            return (Class<?>) genericClass;
        }
    } catch (Throwable e) {
        throw new IllegalArgumentException(cls.getName() + " generic type undefined!", e);
    }
}

From source file:org.lilyproject.rest.providers.json.EntityListMessageBodyWriter.java

public boolean isTypeParamSupported(Type genericType) {
    if (genericType instanceof ParameterizedType) {
        ParameterizedType pt = (ParameterizedType) genericType;
        Type[] types = pt.getActualTypeArguments();
        if (types.length == 1 && EntityRegistry.SUPPORTED_TYPES.containsKey(types[0])) {
            return true;
        }/*w ww .ja va2  s . com*/
    }

    return false;
}

From source file:org.chtijbug.drools.platform.entity.coder.JSONCoder.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();
    }/*from  w  w w.  j a va 2 s. c  o  m*/
}

From source file:com.senfino.yodo.dao.AbstracAcountDao.java

@SuppressWarnings("unchacked")
private Class<T> getDomainClass() {
    if (domainClass == null) {
        ParameterizedType thisType = (ParameterizedType) getClass().getGenericSuperclass();
        this.domainClass = (Class<T>) thisType.getActualTypeArguments()[0];
    }/*ww w  .  j a  v a2  s  . c o m*/
    return domainClass;
}

From source file:org.lilyproject.rest.providers.json.RepositoryTablesBodyWriter.java

@Override
public boolean isWriteable(Class<?> type, Type genericType, Annotation[] annotations, MediaType mediaType) {
    if (Collection.class.isAssignableFrom(type) && mediaType.isCompatible(MediaType.APPLICATION_JSON_TYPE)) {
        if (genericType instanceof ParameterizedType) {
            ParameterizedType parameterizedType = (ParameterizedType) genericType;
            if (Arrays.asList(parameterizedType.getActualTypeArguments()).contains(RepositoryTable.class)) {
                return true;
            }/*from w w  w. j  a va 2 s  . c o m*/
        }
    }
    return false;
}

From source file:org.everrest.core.impl.provider.MultipartFormDataEntityProvider.java

@Override
public boolean isReadable(Class<?> type, Type genericType, Annotation[] annotations, MediaType mediaType) {
    if (type == Iterator.class) {
        try {//from  w  w w .j  av a  2  s . c o m
            ParameterizedType t = (ParameterizedType) genericType;
            Type[] ta = t.getActualTypeArguments();
            return ta.length == 1 && ta[0] == FileItem.class;
        } catch (ClassCastException e) {
            return false;
        }
    }

    return false;
}

From source file:org.openmrs.module.openhmis.cashier.web.propertyeditor.EntityPropertyEditor.java

@SuppressWarnings("unchecked")
protected Class<E> getEntityClass() {
    ParameterizedType parameterizedType = (ParameterizedType) getClass().getGenericSuperclass();

    return (Class) parameterizedType.getActualTypeArguments()[0];
}

From source file:org.broadleafcommerce.openadmin.server.service.persistence.module.provider.AbstractFieldPersistenceProvider.java

protected Class<?> getListFieldType(Serializable instance, FieldManager fieldManager, Property property,
        PersistenceManager persistenceManager) {
    Class<?> returnType = null;
    Field field = fieldManager.getField(instance.getClass(), property.getName());
    java.lang.reflect.Type type = field.getGenericType();
    if (type instanceof ParameterizedType) {
        ParameterizedType pType = (ParameterizedType) type;
        Class<?> clazz = (Class<?>) pType.getActualTypeArguments()[0];
        Class<?>[] entities = persistenceManager.getDynamicEntityDao()
                .getAllPolymorphicEntitiesFromCeiling(clazz);
        if (!ArrayUtils.isEmpty(entities)) {
            returnType = entities[entities.length - 1];
        }/* ww w . ja  v a2s .  co  m*/
    }
    return returnType;
}