org.jboss.weld.bootstrap.events.BeforeBeanDiscoveryImpl Maven / Gradle / Ivy

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/*
 * JBoss, Home of Professional Open Source
 * Copyright 2008, Red Hat, Inc., and individual contributors
 * by the @authors tag. See the copyright.txt in the distribution for a
 * full listing of individual contributors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * http://www.apache.org/licenses/LICENSE-2.0
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.jboss.weld.bootstrap.events;

import java.lang.annotation.Annotation;
import java.util.Collection;

import javax.enterprise.context.spi.Context;
import javax.enterprise.inject.spi.AnnotatedType;
import javax.enterprise.inject.spi.BeforeBeanDiscovery;

import org.jboss.weld.bootstrap.BeanDeploymentArchiveMapping;
import org.jboss.weld.bootstrap.ContextHolder;
import org.jboss.weld.bootstrap.spi.Deployment;
import org.jboss.weld.literal.InterceptorBindingTypeLiteral;
import org.jboss.weld.literal.NormalScopeLiteral;
import org.jboss.weld.literal.QualifierLiteral;
import org.jboss.weld.literal.ScopeLiteral;
import org.jboss.weld.literal.StereotypeLiteral;
import org.jboss.weld.logging.BootstrapLogger;
import org.jboss.weld.manager.BeanManagerImpl;
import org.jboss.weld.metadata.TypeStore;
import org.jboss.weld.metadata.cache.MetaAnnotationStore;
import org.jboss.weld.resources.ClassTransformer;
import org.jboss.weld.resources.ReflectionCache;
import org.jboss.weld.util.annotated.AnnotatedTypeWrapper;

public class BeforeBeanDiscoveryImpl extends AbstractAnnotatedTypeRegisteringEvent implements BeforeBeanDiscovery {

    public static void fire(BeanManagerImpl beanManager, Deployment deployment, BeanDeploymentArchiveMapping bdaMapping, Collection> contexts) {
        new BeforeBeanDiscoveryImpl(beanManager, deployment, bdaMapping, contexts).fire();
    }

    protected BeforeBeanDiscoveryImpl(BeanManagerImpl beanManager, Deployment deployment, BeanDeploymentArchiveMapping bdaMapping, Collection> contexts) {
        super(beanManager, BeforeBeanDiscovery.class, bdaMapping, deployment, contexts);
    }

    @Override
    public void addQualifier(Class bindingType) {
        checkWithinObserverNotification();
        getTypeStore().add(bindingType, QualifierLiteral.INSTANCE);
        getBeanManager().getServices().get(ClassTransformer.class).clearAnnotationData(bindingType);
        getBeanManager().getServices().get(MetaAnnotationStore.class).clearAnnotationData(bindingType);
    }

    @Override
    public void addInterceptorBinding(Class bindingType, Annotation... bindingTypeDef) {
        checkWithinObserverNotification();
        TypeStore typeStore = getTypeStore();
        typeStore.add(bindingType, InterceptorBindingTypeLiteral.INSTANCE);
        for (Annotation a : bindingTypeDef) {
            typeStore.add(bindingType, a);
        }
        getBeanManager().getServices().get(ClassTransformer.class).clearAnnotationData(bindingType);
        getBeanManager().getServices().get(MetaAnnotationStore.class).clearAnnotationData(bindingType);
    }

    @Override
    public void addScope(Class scopeType, boolean normal, boolean passivating) {
        checkWithinObserverNotification();
        if (normal) {
            getTypeStore().add(scopeType, new NormalScopeLiteral(passivating));
        } else if (passivating) {
            throw BootstrapLogger.LOG.passivatingNonNormalScopeIllegal(scopeType);
        } else {
            getTypeStore().add(scopeType, ScopeLiteral.INSTANCE);
        }
        getBeanManager().getServices().get(ClassTransformer.class).clearAnnotationData(scopeType);
        getBeanManager().getServices().get(MetaAnnotationStore.class).clearAnnotationData(scopeType);
        getBeanManager().getServices().get(ReflectionCache.class).cleanup();
    }

    @Override
    public void addStereotype(Class stereotype, Annotation... stereotypeDef) {
        checkWithinObserverNotification();
        TypeStore typeStore = getTypeStore();
        typeStore.add(stereotype, StereotypeLiteral.INSTANCE);
        for (Annotation a : stereotypeDef) {
            typeStore.add(stereotype, a);
        }
        getBeanManager().getServices().get(ClassTransformer.class).clearAnnotationData(stereotype);
        getBeanManager().getServices().get(MetaAnnotationStore.class).clearAnnotationData(stereotype);
    }

    @Override
    public void addAnnotatedType(AnnotatedType source) {
        checkWithinObserverNotification();
        // TODO: once this method is deprecated as part of CDI-83, log a warning then it is called
        addAnnotatedType(source, null);
    }

    @Override
    public void addAnnotatedType(AnnotatedType type, String id) {
        checkWithinObserverNotification();
        addSyntheticAnnotatedType(type, id);
    }

    @Override
    public void addQualifier(AnnotatedType qualifier) {
        checkWithinObserverNotification();
        addSyntheticAnnotation(qualifier, QualifierLiteral.INSTANCE);
    }

    @Override
    public void addInterceptorBinding(AnnotatedType bindingType) {
        checkWithinObserverNotification();
        addSyntheticAnnotation(bindingType, InterceptorBindingTypeLiteral.INSTANCE);
    }

    private  void addSyntheticAnnotation(AnnotatedType annotation, Annotation requiredMetaAnnotation) {
        if (requiredMetaAnnotation != null && !annotation.isAnnotationPresent(requiredMetaAnnotation.annotationType())) {
            // Add required meta annotation
            annotation = new AnnotatedTypeWrapper(annotation, requiredMetaAnnotation);
        }
        getBeanManager().getServices().get(ClassTransformer.class).addSyntheticAnnotation(annotation, getBeanManager().getId());
        getBeanManager().getServices().get(MetaAnnotationStore.class).clearAnnotationData(annotation.getJavaClass());
    }
}