/*
* JBoss, Home of Professional Open Source
* Copyright 2012, 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.util;
import java.lang.annotation.Annotation;
import javax.enterprise.inject.spi.BeanManager;
import org.jboss.weld.logging.BeanManagerLogger;
import org.jboss.weld.logging.MetadataLogger;
import org.jboss.weld.metadata.cache.InterceptorBindingModel;
import org.jboss.weld.metadata.cache.MetaAnnotationStore;
import org.jboss.weld.metadata.cache.QualifierModel;
import org.jboss.weld.resolution.QualifierInstance;
/**
* Utility methods for working with qualifiers and interceptor bindings.
*
* @author Jozef Hartinger
*
*/
public class Bindings {
private Bindings() {
}
public static boolean areQualifiersEquivalent(Annotation qualifier1, Annotation qualifier2, MetaAnnotationStore store) {
checkQualifier(qualifier1, store);
checkQualifier(qualifier2, store);
QualifierInstance q1 = QualifierInstance.of(qualifier1, store);
QualifierInstance q2 = QualifierInstance.of(qualifier2, store);
return q1.equals(q2);
}
public static int getQualifierHashCode(Annotation qualifier, MetaAnnotationStore store) {
checkQualifier(qualifier, store);
return QualifierInstance.of(qualifier, store).hashCode();
}
private static void checkQualifier(Annotation qualifier, MetaAnnotationStore store) {
Preconditions.checkNotNull(qualifier);
QualifierModel<?> model = store.getBindingTypeModel(qualifier.annotationType());
if (model == null || !model.isValid()) {
throw BeanManagerLogger.LOG.invalidQualifier(qualifier);
}
}
public static void validateQualifiers(Iterable<Annotation> qualifiers, BeanManager manager, Object definer,
String nullErrorMessage) {
if (qualifiers == null) {
throw MetadataLogger.LOG.qualifiersNull(nullErrorMessage, definer);
}
for (Annotation annotation : qualifiers) {
if (!manager.isQualifier(annotation.annotationType())) {
throw MetadataLogger.LOG.notAQualifier(annotation.annotationType(), definer);
}
}
}
public static boolean areInterceptorBindingsEquivalent(Annotation qualifier1, Annotation qualifier2, MetaAnnotationStore store) {
checkInterceptorBinding(qualifier1, store);
checkInterceptorBinding(qualifier2, store);
QualifierInstance q1 = QualifierInstance.of(qualifier1, store);
QualifierInstance q2 = QualifierInstance.of(qualifier2, store);
return q1.equals(q2);
}
public static int getInterceptorBindingHashCode(Annotation qualifier, MetaAnnotationStore store) {
checkInterceptorBinding(qualifier, store);
return QualifierInstance.of(qualifier, store).hashCode();
}
private static void checkInterceptorBinding(Annotation qualifier, MetaAnnotationStore store) {
Preconditions.checkNotNull(qualifier);
InterceptorBindingModel<?> model = store.getInterceptorBindingModel(qualifier.annotationType());
if (model == null || !model.isValid()) {
throw BeanManagerLogger.LOG.interceptorResolutionWithNonbindingType(qualifier);
}
}
}