[weld-commits] Weld SVN: r4037 - in extensions/trunk/wicket/src/main: java/org/jboss/weld/wicket/util and 1 other directories.

Author: pete.muir(a)jboss.org Date: 2009-10-14 10:20:50 -0400 (Wed, 14 Oct 2009) New Revision: 4037 Added: extensions/trunk/wicket/src/main/java/org/jboss/weld/wicket/util/ extensions/trunk/wicket/src/main/java/org/jboss/weld/wicket/util/NonContextual.java Removed: extensions/trunk/wicket/src/main/resources/META-INF/beans.xml Modified: extensions/trunk/wicket/src/main/java/org/jboss/weld/wicket/BeanManagerLookup.java extensions/trunk/wicket/src/main/java/org/jboss/weld/wicket/WeldApplication.java extensions/trunk/wicket/src/main/java/org/jboss/weld/wicket/WeldComponentInstantiationListener.java extensions/trunk/wicket/src/main/java/org/jboss/weld/wicket/WeldMetaData.java Log: Don't make classes beans, but use NonContextual injection Modified: extensions/trunk/wicket/src/main/java/org/jboss/weld/wicket/BeanManagerLookup.java =================================================================== --- extensions/trunk/wicket/src/main/java/org/jboss/weld/wicket/BeanManagerLookup.java 2009-10-14 14:19:37 UTC (rev 4036) +++ extensions/trunk/wicket/src/main/java/org/jboss/weld/wicket/BeanManagerLookup.java 2009-10-14 14:20:50 UTC (rev 4037) @@ -21,7 +21,8 @@ * This is the spec-defined name for the bean manager as registered in JNDI * See JSR-299 11.3 */ - private static String beanManagerJndiName = "java:comp/BeanManager"; + // TODO Change to java:comp/BeanManager when JBoss AS supports it + private static String beanManagerJndiName = "java:app/BeanManager"; public static void setBeanManagerJndiName(String beanManagerJndiName) { Modified: extensions/trunk/wicket/src/main/java/org/jboss/weld/wicket/WeldApplication.java =================================================================== --- extensions/trunk/wicket/src/main/java/org/jboss/weld/wicket/WeldApplication.java 2009-10-14 14:19:37 UTC (rev 4036) +++ extensions/trunk/wicket/src/main/java/org/jboss/weld/wicket/WeldApplication.java 2009-10-14 14:20:50 UTC (rev 4037) @@ -1,13 +1,5 @@ package org.jboss.weld.wicket; -import java.lang.reflect.Type; -import java.util.Set; - -import javax.enterprise.inject.AmbiguousResolutionException; -import javax.enterprise.inject.UnsatisfiedResolutionException; -import javax.enterprise.inject.spi.Bean; -import javax.enterprise.inject.spi.BeanManager; - import org.apache.wicket.Request; import org.apache.wicket.RequestCycle; import org.apache.wicket.Response; @@ -15,6 +7,7 @@ import org.apache.wicket.protocol.http.WebRequest; import org.apache.wicket.protocol.http.WebResponse; import org.apache.wicket.request.IRequestCycleProcessor; +import org.jboss.weld.wicket.util.NonContextual; /** * A convenience subclass of wicket's WebApplication which adds the hooks @@ -27,6 +20,7 @@ * Weld, or your subclasses of those classes. * * @author cpopetz + * @author pmuir * * @see WebApplication * @see WeldWebRequestCycleProcessor @@ -35,30 +29,15 @@ public abstract class WeldApplication extends WebApplication { - private <T> T getInstanceByType(Class<T> beanType) - { - BeanManager manager = BeanManagerLookup.getBeanManager(); - Bean<T> bean = (Bean<T>) ensureUniqueBean(beanType, manager.getBeans(beanType)); - return (T) manager.getReference(bean, beanType, manager.createCreationalContext(bean)); - } - - private static Bean<?> ensureUniqueBean(Type type, Set<Bean<?>> beans) - { - if (beans.size() == 0) - { - throw new UnsatisfiedResolutionException("Unable to resolve any Web Beans of " + type); - } - else if (beans.size() > 1) - { - throw new AmbiguousResolutionException("More than one bean available for type " + type); - } - return beans.iterator().next(); - } + private final NonContextual<WeldComponentInstantiationListener> weldComponentInstantiationListener; + private final NonContextual<WeldWebRequestCycleProcessor> weldWebRequestCycleProcessor; /** */ public WeldApplication() { + this.weldComponentInstantiationListener = new NonContextual<WeldComponentInstantiationListener>(BeanManagerLookup.getBeanManager(), WeldComponentInstantiationListener.class); + this.weldWebRequestCycleProcessor = new NonContextual<WeldWebRequestCycleProcessor>(BeanManagerLookup.getBeanManager(), WeldWebRequestCycleProcessor.class); } /** @@ -66,10 +45,11 @@ * * @see WeldComponentInstantiationListener */ + @Override protected void internalInit() { super.internalInit(); - addComponentInstantiationListener(getInstanceByType(WeldComponentInstantiationListener.class)); + addComponentInstantiationListener(weldComponentInstantiationListener.newInstance().produce().inject().get()); } @@ -81,7 +61,7 @@ @Override protected IRequestCycleProcessor newRequestCycleProcessor() { - return getInstanceByType(WeldWebRequestCycleProcessor.class); + return weldWebRequestCycleProcessor.newInstance().produce().inject().get(); } /** Modified: extensions/trunk/wicket/src/main/java/org/jboss/weld/wicket/WeldComponentInstantiationListener.java =================================================================== --- extensions/trunk/wicket/src/main/java/org/jboss/weld/wicket/WeldComponentInstantiationListener.java 2009-10-14 14:19:37 UTC (rev 4036) +++ extensions/trunk/wicket/src/main/java/org/jboss/weld/wicket/WeldComponentInstantiationListener.java 2009-10-14 14:20:50 UTC (rev 4037) @@ -5,6 +5,7 @@ import org.apache.wicket.Component; import org.apache.wicket.application.IComponentInstantiationListener; +import org.jboss.weld.wicket.util.NonContextual; /** * This listener uses the BeanManager to handle injections for all wicket components. @@ -14,8 +15,9 @@ */ public class WeldComponentInstantiationListener implements IComponentInstantiationListener { + @Inject - BeanManager manager; + private BeanManager manager; public void onInstantiation(Component component) { @@ -24,8 +26,8 @@ */ if (manager != null) { - manager.createInjectionTarget(manager.createAnnotatedType((Class) component.getClass())) - .inject(component, manager.createCreationalContext(null)); + // TODO Cache the NonContextual! + new NonContextual<Component>(manager, component.getClass()).existingInstance(component).inject(); } } } \ No newline at end of file Modified: extensions/trunk/wicket/src/main/java/org/jboss/weld/wicket/WeldMetaData.java =================================================================== --- extensions/trunk/wicket/src/main/java/org/jboss/weld/wicket/WeldMetaData.java 2009-10-14 14:19:37 UTC (rev 4036) +++ extensions/trunk/wicket/src/main/java/org/jboss/weld/wicket/WeldMetaData.java 2009-10-14 14:20:50 UTC (rev 4037) @@ -16,7 +16,7 @@ * This is the key we will use to to store the conversation metadata in the * wicket page. */ - public static final MetaDataKey CID = new MetaDataKey<String>() + public static final MetaDataKey<String> CID = new MetaDataKey<String>() { private static final long serialVersionUID = -8788010688731927318L; }; Added: extensions/trunk/wicket/src/main/java/org/jboss/weld/wicket/util/NonContextual.java =================================================================== --- extensions/trunk/wicket/src/main/java/org/jboss/weld/wicket/util/NonContextual.java (rev 0) +++ extensions/trunk/wicket/src/main/java/org/jboss/weld/wicket/util/NonContextual.java 2009-10-14 14:20:50 UTC (rev 4037) @@ -0,0 +1,184 @@ +package org.jboss.weld.wicket.util; + +import javax.enterprise.context.spi.CreationalContext; +import javax.enterprise.inject.spi.AnnotatedType; +import javax.enterprise.inject.spi.BeanManager; +import javax.enterprise.inject.spi.InjectionTarget; + +/** + * Perform production, injection, lifecycle callbacks and cleanup on a non-contextual object + * + * @author pmuir + * + * @param <T> + */ +public class NonContextual<T> +{ + + // Store the injection target. The CDI spec doesn't require an implementation + // to cache it, so we do + private final InjectionTarget<? extends T> injectionTarget; + + // Store a reference to the CDI BeanManager + private final BeanManager beanManager; + + /** + * Create an injector for the given class + */ + public NonContextual(BeanManager manager, Class<? extends T> clazz) + { + this.beanManager = manager; + + // Generate an "Annotated Type" + AnnotatedType<? extends T> type = manager.createAnnotatedType(clazz); + + // Generate the InjectionTarget + this.injectionTarget = manager.createInjectionTarget(type); + } + + public Instance<T> newInstance() + { + return new Instance<T>(beanManager, (InjectionTarget<T>) injectionTarget); + } + + public Instance<T> existingInstance(T instance) + { + return new Instance<T>(beanManager, (InjectionTarget<T>) injectionTarget, instance); + } + + /** + * Represents a non-contextual instance + * + * @author pmuir + * + * @param <T> + */ + public static class Instance<T> + { + + private final CreationalContext<T> ctx; + private final InjectionTarget<T> injectionTarget; + private T instance; + private boolean disposed = false; + + private Instance(BeanManager beanManager, InjectionTarget<T> injectionTarget) + { + this.injectionTarget = injectionTarget; + this.ctx = beanManager.createCreationalContext(null); + } + + private Instance(BeanManager beanManager, InjectionTarget<T> injectionTarget, T instance) + { + this.injectionTarget = injectionTarget; + this.ctx = beanManager.createCreationalContext(null); + this.instance = instance; + } + + /** + * Get the instance + * + * @return + */ + public T get() + { + return instance; + } + + /** + * Create the instance + * + * @return + */ + public Instance<T> produce() + { + if (this.instance != null) + { + throw new IllegalStateException("Trying to call produce() on already constructed instance"); + } + if (disposed) + { + throw new IllegalStateException("Trying to call produce() on an already disposed instance"); + } + this.instance = injectionTarget.produce(ctx); + return this; + } + + /** + * Inject the instance + * + * @return + */ + public Instance<T> inject() + { + if (this.instance == null) + { + throw new IllegalStateException("Trying to call inject() before produce() was called"); + } + if (disposed) + { + throw new IllegalStateException("Trying to call inject() on already disposed instance"); + } + injectionTarget.inject(instance, ctx); + return this; + } + + /** + * Call the @PostConstruct callback + * + * @return + */ + public Instance<T> postConstruct() + { + if (this.instance == null) + { + throw new IllegalStateException("Trying to call postConstruct() before produce() was called"); + } + if (disposed) + { + throw new IllegalStateException("Trying to call preDestroy() on already disposed instance"); + } + injectionTarget.postConstruct(instance); + return this; + } + + /** + * Call the @PreDestroy callback + * + * @return + */ + public Instance<T> preDestroy() + { + if (this.instance == null) + { + throw new IllegalStateException("Trying to call preDestroy() before produce() was called"); + } + if (disposed) + { + throw new IllegalStateException("Trying to call preDestroy() on already disposed instance"); + } + injectionTarget.preDestroy(instance); + return this; + } + + /** + * Dispose of the instance, doing any necessary cleanup + * + */ + public Instance<T> dispose() + { + if (this.instance == null) + { + throw new IllegalStateException("Trying to call dispose() before produce() was called"); + } + if (disposed) + { + throw new IllegalStateException("Trying to call dispose() on already disposed instance"); + } + injectionTarget.dispose(instance); + ctx.release(); + return this; + } + + } + +} \ No newline at end of file Property changes on: extensions/trunk/wicket/src/main/java/org/jboss/weld/wicket/util/NonContextual.java ___________________________________________________________________ Name: svn:mime-type + text/plain Name: svn:eol-style + native Deleted: extensions/trunk/wicket/src/main/resources/META-INF/beans.xml ===================================================================