rocks.frieler.android.beans

Class BeanRegistry

java.lang.Object

rocks.frieler.android.beans.BeanRegistry

All Implemented Interfaces:

BeansProvider

public class BeanRegistry
extends java.lang.Object
implements BeansProvider

BeansProvider that holds and provides beans which were explicitly registered before.

The BeanRegistry supports the and by default.

Method Summary

Modifier and Type	Method and Description
static java.lang.String	getPreferredBeanName(java.lang.Class<?> beanClass)
<T> T	lookUpBean(java.lang.Class<T> type) Looks up a bean of the given type.
<T> T	lookUpBean(java.lang.String name, java.lang.Class<T> type) Looks up the bean with the given name and type.
<T> java.util.List<T>	lookUpBeans(java.lang.Class<T> type) Looks up all beans of the given type in the BeanRegistry of this application.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

lookUpBean

public <T> T lookUpBean(java.lang.String name,
                        java.lang.Class<T> type)

Description copied from interface: BeansProvider

Looks up the bean with the given name and type.

If no bean with that name is registered or the registered bean is not assignable to the required type, null is returned.

Specified by:

lookUpBean in interface BeansProvider

Type Parameters:

T - the bean-type

Parameters:

name - the name of the desired bean

type - the type of the desired bean

Returns:

the named bean or null

lookUpBean

public <T> T lookUpBean(java.lang.Class<T> type)

Description copied from interface: BeansProvider

Looks up a bean of the given type.

If no bean is assignable to the required type, null is returned. If multiple beans are assignable to the required type, the first match is returned.

Specified by:

lookUpBean in interface BeansProvider

Type Parameters:

T - the bean-type

Parameters:

type - the type of the desired bean

Returns:

a bean of the given type or null

lookUpBeans

public <T> java.util.List<T> lookUpBeans(java.lang.Class<T> type)

Description copied from interface: BeansProvider

Looks up all beans of the given type in the BeanRegistry of this application.

Specified by:

lookUpBeans in interface BeansProvider

Type Parameters:

T - the bean-type

Parameters:

type - the type of the desired beans

Returns:

the beans of the given type or an empty list

getPreferredBeanName

public static java.lang.String getPreferredBeanName(java.lang.Class<?> beanClass)