org.jboss.weld.bean.builtin.ExtensionBean 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.bean.builtin;
import java.lang.annotation.Annotation;
import java.lang.reflect.Member;
import java.lang.reflect.Modifier;
import java.lang.reflect.Type;
import java.util.Set;
import javax.enterprise.context.ApplicationScoped;
import javax.enterprise.context.spi.CreationalContext;
import javax.enterprise.inject.spi.AnnotatedField;
import javax.enterprise.inject.spi.AnnotatedType;
import javax.enterprise.inject.spi.Extension;
import org.jboss.weld.annotated.enhanced.EnhancedAnnotatedType;
import org.jboss.weld.bean.BeanIdentifiers;
import org.jboss.weld.bean.StringBeanIdentifier;
import org.jboss.weld.bootstrap.spi.Metadata;
import org.jboss.weld.logging.BeanLogger;
import org.jboss.weld.manager.BeanManagerImpl;
import org.jboss.weld.util.Proxies;
/**
* @author pmuir
*/
public class ExtensionBean extends AbstractBuiltInBean {
private final AnnotatedType annotatedType;
private final Metadata instance;
private final boolean passivationCapable;
private final boolean proxiable;
public ExtensionBean(BeanManagerImpl manager, EnhancedAnnotatedType clazz, Metadata instance) {
super(new StringBeanIdentifier(BeanIdentifiers.forExtension(clazz)), manager, clazz.getJavaClass());
this.annotatedType = clazz.slim();
this.instance = instance;
this.passivationCapable = clazz.isSerializable();
this.proxiable = Proxies.isTypeProxyable(clazz.getBaseType(), manager.getServices());
checkPublicFields(clazz);
}
private void checkPublicFields(EnhancedAnnotatedType clazz) {
for (AnnotatedField field : clazz.getFields()) {
Member member = field.getJavaMember();
if (Modifier.isPublic(member.getModifiers()) && !Modifier.isStatic(member.getModifiers())) {
// warn when an extension has a non-static public field
BeanLogger.LOG.extensionWithNonStaticPublicField(clazz.getBaseType(), field.getJavaMember());
}
}
}
@Override
public Set getTypes() {
return annotatedType.getTypeClosure();
}
@Override
public boolean isProxyable() {
return proxiable;
}
@Override
public boolean isPassivationCapableBean() {
return passivationCapable;
}
@Override
public Extension create(CreationalContext creationalContext) {
return instance.getValue();
}
@Override
public void destroy(Extension instance, CreationalContext creationalContext) {
// No-op
}
@Override
public Class getScope() {
return ApplicationScoped.class;
}
@Override
public String toString() {
return "Extension [" + getType().toString() + "] with qualifiers [@Default]; " + instance.getLocation();
}
}