org.apache.camel.guice.inject
Class Injectors

java.lang.Object
  org.apache.camel.guice.inject.Injectors

public final class Injectors
extends Object

Field Summary

static String

MODULE_CLASS_NAMES

Method Summary

static void	close(com.google.inject.Injector injector) Closes any singleton objects in the injector using the currently registered Closer implementations
static void	close(com.google.inject.Injector injector, Class<? extends Annotation> scopeAnnotationToClose) Closes objects within the given scope using the currently registered Closer implementations
static void	close(com.google.inject.Injector injector, Class<? extends Annotation> scopeAnnotationToClose, CloseErrors errors) Closes objects within the given scope using the currently registered Closer implementations
static void	close(com.google.inject.Injector injector, CloseErrors errors) Closes objects within the given scope using the currently registered Closer implementations
static com.google.inject.Injector	createInjector(Map environment, com.google.inject.Module... overridingModules) Creates an injector from the given properties, loading any modules define by the MODULE_CLASS_NAMES property value (space separated) along with any other modules passed as an argument.
static com.google.inject.Binding<?>	getBinding(com.google.inject.Injector injector, com.google.inject.Key<?> key) Returns the binding for the given key or null if there is no such binding
static Set<com.google.inject.Binding<?>>	getBindingsOf(com.google.inject.Injector injector, Class<?> baseClass) Returns a collection of all bindings of the given base type
static Set<com.google.inject.Binding<?>>	getBindingsOf(com.google.inject.Injector injector, com.google.inject.matcher.Matcher<Class> matcher) Returns a collection of all of the bindings matching the given matcher
static <T> T	getInstance(com.google.inject.Injector injector, Class<T> type, String name) Returns an instance of the given type with the Named annotation value.
static <T> Set<T>	getInstancesOf(com.google.inject.Injector injector, Class<T> baseClass) Returns a collection of all instances of the given base type
static <T> Set<T>	getInstancesOf(com.google.inject.Injector injector, com.google.inject.matcher.Matcher<Class> matcher) Returns a collection of all instances matching the given matcher
static <T> Class<?>	getKeyType(com.google.inject.Key<?> key) Returns the key type of the given key
static <T> Set<com.google.inject.Provider<T>>	getProvidersOf(com.google.inject.Injector injector, Class<T> baseClass) Returns a collection of all providers of the given base type
static <T> Set<com.google.inject.Provider<T>>	getProvidersOf(com.google.inject.Injector injector, com.google.inject.matcher.Matcher<Class> matcher) Returns a collection of all of the providers matching the given matcher
static Class<? extends Annotation>	getScopeAnnotation(com.google.inject.Binding<?> binding) Returns the scope annotation for the given binding or null if there is no scope
static boolean	hasBinding(com.google.inject.Injector injector, Class<?> baseClass) Returns true if a binding exists for the given base class
static boolean	hasBinding(com.google.inject.Injector injector, com.google.inject.Key<?> key) Returns true if a binding exists for the given key
static boolean	hasBinding(com.google.inject.Injector injector, com.google.inject.matcher.Matcher<Class> matcher) Returns true if a binding exists for the given matcher
protected static com.google.inject.Module	loadModule(String moduleName)

Methods inherited from class java.lang.Object

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

Field Detail

MODULE_CLASS_NAMES

public static final String MODULE_CLASS_NAMES

See Also:

Constant Field Values

Method Detail

createInjector

public static com.google.inject.Injector createInjector(Map environment,
                                                        com.google.inject.Module... overridingModules)
                                                 throws ClassNotFoundException,
                                                        IllegalAccessException,
                                                        InstantiationException

Creates an injector from the given properties, loading any modules define by the MODULE_CLASS_NAMES property value (space separated) along with any other modules passed as an argument.

Parameters:

environment - the properties used to create the injector

overridingModules - any modules which override the modules referenced in the environment such as to provide the actual JNDI context

Throws:

ClassNotFoundException

IllegalAccessException

InstantiationException

getInstance

public static <T> T getInstance(com.google.inject.Injector injector,
                                Class<T> type,
                                String name)

Returns an instance of the given type with the Named annotation value. This method allows you to switch this code injector.getInstance(Key.get(type, Names.named(name))); to the more concise Injectors.getInstance(injector, type, name);

getInstancesOf

public static <T> Set<T> getInstancesOf(com.google.inject.Injector injector,
                                        Class<T> baseClass)

Returns a collection of all instances of the given base type

Type Parameters:

T - the base type

Parameters:

baseClass - the base type of objects required

Returns:

a set of objects returned from this injector

getInstancesOf

public static <T> Set<T> getInstancesOf(com.google.inject.Injector injector,
                                        com.google.inject.matcher.Matcher<Class> matcher)

Returns a collection of all instances matching the given matcher

Parameters:

matcher - matches the types to return instances

Returns:

a set of objects returned from this injector

getProvidersOf

public static <T> Set<com.google.inject.Provider<T>> getProvidersOf(com.google.inject.Injector injector,
                                                                    com.google.inject.matcher.Matcher<Class> matcher)

Returns a collection of all of the providers matching the given matcher

Parameters:

matcher - matches the types to return instances

Returns:

a set of objects returned from this injector

getProvidersOf

public static <T> Set<com.google.inject.Provider<T>> getProvidersOf(com.google.inject.Injector injector,
                                                                    Class<T> baseClass)

Returns a collection of all providers of the given base type

Type Parameters:

T - the base type

Parameters:

baseClass - the base type of objects required

Returns:

a set of objects returned from this injector

hasBinding

public static boolean hasBinding(com.google.inject.Injector injector,
                                 com.google.inject.matcher.Matcher<Class> matcher)

Returns true if a binding exists for the given matcher

hasBinding

public static boolean hasBinding(com.google.inject.Injector injector,
                                 Class<?> baseClass)

Returns true if a binding exists for the given base class

hasBinding

public static boolean hasBinding(com.google.inject.Injector injector,
                                 com.google.inject.Key<?> key)

Returns true if a binding exists for the given key

getBinding

public static com.google.inject.Binding<?> getBinding(com.google.inject.Injector injector,
                                                      com.google.inject.Key<?> key)

Returns the binding for the given key or null if there is no such binding

getBindingsOf

public static Set<com.google.inject.Binding<?>> getBindingsOf(com.google.inject.Injector injector,
                                                              com.google.inject.matcher.Matcher<Class> matcher)

Returns a collection of all of the bindings matching the given matcher

Parameters:

matcher - matches the types to return instances

Returns:

a set of objects returned from this injector

getBindingsOf

public static Set<com.google.inject.Binding<?>> getBindingsOf(com.google.inject.Injector injector,
                                                              Class<?> baseClass)

Returns a collection of all bindings of the given base type

Parameters:

baseClass - the base type of objects required

Returns:

a set of objects returned from this injector

getKeyType

public static <T> Class<?> getKeyType(com.google.inject.Key<?> key)

Returns the key type of the given key

loadModule

protected static com.google.inject.Module loadModule(String moduleName)
                                              throws ClassNotFoundException,
                                                     IllegalAccessException,
                                                     InstantiationException

Throws:

ClassNotFoundException

IllegalAccessException

InstantiationException

close

public static void close(com.google.inject.Injector injector)
                  throws CloseFailedException

Closes any singleton objects in the injector using the currently registered Closer implementations

Throws:

CloseFailedException

close

public static void close(com.google.inject.Injector injector,
                         CloseErrors errors)
                  throws CloseFailedException

Closes objects within the given scope using the currently registered Closer implementations

Throws:

CloseFailedException

close

public static void close(com.google.inject.Injector injector,
                         Class<? extends Annotation> scopeAnnotationToClose)
                  throws CloseFailedException

Closes objects within the given scope using the currently registered Closer implementations

Throws:

CloseFailedException

close

public static void close(com.google.inject.Injector injector,
                         Class<? extends Annotation> scopeAnnotationToClose,
                         CloseErrors errors)
                  throws CloseFailedException

Closes objects within the given scope using the currently registered Closer implementations

Throws:

CloseFailedException

getScopeAnnotation

public static Class<? extends Annotation> getScopeAnnotation(com.google.inject.Binding<?> binding)

Returns the scope annotation for the given binding or null if there is no scope