org.exoplatform.container.util
Class ContainerUtil

java.lang.Object
  org.exoplatform.container.util.ContainerUtil

public class ContainerUtil
extends Object

Since:

Oct 28, 2004

Version:

$Id: ContainerUtil.java 9894 2006-10-31 02:52:41Z tuan08 $

Author:

Tuan Nguyen (tuan08@users.sourceforge.net)

Constructor Summary

ContainerUtil()

Method Summary

static void	addComponentLifecyclePlugin(ExoContainer container, ConfigurationManager conf)
static void	addComponents(ExoContainer container, ConfigurationManager conf)
static void	addContainerLifecyclePlugin(ExoContainer container, ConfigurationManager conf)
static <T> T	createProxy(Class<T> superClass, javax.inject.Provider<T> provider) Creates a proxy of the given super class whose instance will be created accessed lazily thanks to a provider
static Collection<URL>	getConfigurationURL(String configuration)
static Class<? extends Annotation>	getScope(Class<?> clazz) Gives the scope defined for the given class
static Class<? extends Annotation>	getScope(Class<?> clazz, boolean ignoreExplicit) Gives the scope defined for the given class
static String	getServletContextName(javax.servlet.ServletContext context) Gives the context name thanks to the method ServletContext.getServletContextName() if not null otherwise it will extract the value from the value of ServletContext.getContextPath()
static Constructor<?>[]	getSortedConstructors(Class<?> clazz)
static boolean	hasFieldOrMethodWithInject(Class<?> clazz) Indicates whether or not this class or one of its super class has at least one Inject annotation on a field or a method
static boolean	hasInjectableConstructor(Class<?> clazz) Indicates whether or not the given Class has a constructor annotated with Inject
static boolean	hasOnlyEmptyPublicConstructor(Class<?> clazz) Indicates whether or not the given Class has only a public non argument constructor
static boolean	isSingleton(Class<?> clazz) Indicates whether or not the given Class is a singleton or as the scope set to ApplicationScoped
static Map<String,String>	loadProperties(URL url) Loads the properties file corresponding to the given url
static Map<String,String>	loadProperties(URL url, boolean resolveVariables) Loads the properties file corresponding to the given url

Methods inherited from class java.lang.Object

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

Constructor Detail

ContainerUtil

public ContainerUtil()

Method Detail

getSortedConstructors

public static Constructor<?>[] getSortedConstructors(Class<?> clazz)
                                              throws NoClassDefFoundError

Throws:

NoClassDefFoundError

hasInjectableConstructor

public static boolean hasInjectableConstructor(Class<?> clazz)

Indicates whether or not the given Class has a constructor annotated with Inject

hasOnlyEmptyPublicConstructor

public static boolean hasOnlyEmptyPublicConstructor(Class<?> clazz)

Indicates whether or not the given Class has only a public non argument constructor

hasFieldOrMethodWithInject

public static boolean hasFieldOrMethodWithInject(Class<?> clazz)

Indicates whether or not this class or one of its super class has at least one Inject annotation on a field or a method

getScope

public static Class<? extends Annotation> getScope(Class<?> clazz)
                                            throws DefinitionException

Gives the scope defined for the given class

Parameters:

clazz - the class for which we want the scope

Returns:

a class representing the annotation type of the scope

Throws:

DefinitionException - in case the definition of the scope is not correct

getScope

public static Class<? extends Annotation> getScope(Class<?> clazz,
                                                   boolean ignoreExplicit)
                                            throws DefinitionException

Gives the scope defined for the given class

Parameters:

clazz - the class for which we want the scope

ignoreExplicit - indicates whether the explicit scope must be ignored

Returns:

a class representing the annotation type of the scope

Throws:

DefinitionException - in case the definition of the scope is not correct

isSingleton

public static boolean isSingleton(Class<?> clazz)

Indicates whether or not the given Class is a singleton or as the scope set to ApplicationScoped

getConfigurationURL

public static Collection<URL> getConfigurationURL(String configuration)
                                           throws Exception

Throws:

Exception

addContainerLifecyclePlugin

public static void addContainerLifecyclePlugin(ExoContainer container,
                                               ConfigurationManager conf)

addComponentLifecyclePlugin

public static void addComponentLifecyclePlugin(ExoContainer container,
                                               ConfigurationManager conf)

addComponents

public static void addComponents(ExoContainer container,
                                 ConfigurationManager conf)

loadProperties

public static Map<String,String> loadProperties(URL url)

Loads the properties file corresponding to the given url

Parameters:

url - the url of the properties file

Returns:

a Map of properties

loadProperties

public static Map<String,String> loadProperties(URL url,
                                                boolean resolveVariables)

Loads the properties file corresponding to the given url

Parameters:

url - the url of the properties file

resolveVariables - indicates if the variables must be resolved

Returns:

a Map of properties

createProxy

public static <T> T createProxy(Class<T> superClass,
                                javax.inject.Provider<T> provider)
                     throws javax.enterprise.inject.UnproxyableResolutionException

Creates a proxy of the given super class whose instance will be created accessed lazily thanks to a provider

Parameters:

superClass - the super class of the proxy to create

provider - the provider that will create the instance lazily

Returns:

a proxy of the given super class

Throws:

javax.enterprise.inject.UnproxyableResolutionException - if any issue occurs while creating the proxy

getServletContextName

public static String getServletContextName(javax.servlet.ServletContext context)

Gives the context name thanks to the method ServletContext.getServletContextName() if not null otherwise it will extract the value from the value of ServletContext.getContextPath()

Parameters:

context - the context from which we want to extract the name of the context

Returns:

the context name