/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.apache.webbeans.portable;
import java.lang.annotation.Annotation;
import java.lang.reflect.Type;
import java.util.Collections;
import java.util.HashSet;
import java.util.Iterator;
import java.util.Set;
import javax.enterprise.inject.Typed;
import javax.enterprise.inject.spi.Annotated;
import org.apache.webbeans.config.WebBeansContext;
import org.apache.webbeans.exception.WebBeansConfigurationException;
import org.apache.webbeans.util.AnnotationUtil;
import org.apache.webbeans.util.ClassUtil;
/**
* Abstract implementation of the {@link Annotated} contract.
*
* @version $Rev: 1307021 $ $Date: 2012-03-29 19:59:55 +0200 (Do, 29 Mär 2012) $
*/
abstract class AbstractAnnotated implements Annotated
{
/**Base type of an annotated element*/
private final Type baseType;
/**Type closures*/
private Set<Type> typeClosures = null;
/**Set of annotations*/
private Set<Annotation> annotations = new HashSet<Annotation>();
private final WebBeansContext webBeansContext;
/**
* Createa a new annotated element.
*
* @param webBeansContext our WebBeansContext
* @param baseType annotated element type
*/
protected AbstractAnnotated(WebBeansContext webBeansContext, Type baseType)
{
if (webBeansContext == null)
{
throw new NullPointerException("no WebBeansContext");
}
if (baseType == null)
{
throw new NullPointerException("no base type");
}
this.baseType = baseType;
this.webBeansContext = webBeansContext;
}
/**
* Adds new annotation to set.
*
* @param annotation new annotation
*/
protected void addAnnotation(Annotation annotation)
{
annotations.add(annotation);
}
protected WebBeansContext getWebBeansContext()
{
return webBeansContext;
}
/**
* Adds new annotation to set.
*
* @param annotations new annotations
*/
protected void setAnnotations(Annotation[] annotations)
{
this.annotations.clear();
Collections.addAll(this.annotations, annotations);
}
/**
* {@inheritDoc}
*/
@SuppressWarnings("unchecked")
public <T extends Annotation> T getAnnotation(Class<T> annotationType)
{
for(Annotation ann : annotations)
{
if(ann.annotationType().equals(annotationType))
{
return (T)ann;
}
}
return null;
}
/**
* {@inheritDoc}
*/
public Set<Annotation> getAnnotations()
{
return annotations;
}
/**
* {@inheritDoc}
*/
public Type getBaseType()
{
return baseType;
}
/**
* {@inheritDoc}
*/
public Set<Type> getTypeClosure()
{
if (typeClosures == null)
{
initTypeClosures();
}
return typeClosures;
}
private synchronized void initTypeClosures()
{
if (typeClosures == null)
{
typeClosures = new HashSet<Type>();
typeClosures.add(Object.class);
ClassUtil.setTypeHierarchy(typeClosures, baseType);
Set<String> ignoredInterfaces = webBeansContext.getOpenWebBeansConfiguration().getIgnoredInterfaces();
for (Iterator<Type> i = typeClosures.iterator(); i.hasNext(); )
{
Type t = i.next();
if (t instanceof Class && ignoredInterfaces.contains(((Class<?>)t).getName()))
{
i.remove();
}
}
Annotation[] anns = annotations.toArray(new Annotation[annotations.size()]);
if(AnnotationUtil.hasAnnotation(anns, Typed.class))
{
Typed beanTypes = AnnotationUtil.getAnnotation(anns, Typed.class);
Class<?>[] types = beanTypes.value();
//New api types
Set<Type> newTypes = new HashSet<Type>();
for(Class<?> type : types)
{
Type foundType = null;
for(Type apiType : typeClosures)
{
if(ClassUtil.getClazz(apiType) == type)
{
foundType = apiType;
break;
}
}
if(foundType == null)
{
throw new WebBeansConfigurationException("@Type values must be in bean api types of class: " + baseType);
}
newTypes.add(foundType);
}
typeClosures.clear();
typeClosures.addAll(newTypes);
typeClosures.add(Object.class);
}
}
}
/**
* {@inheritDoc}
*/
public boolean isAnnotationPresent(Class<? extends Annotation> annotationType)
{
for(Annotation ann : annotations)
{
if(ann.annotationType().equals(annotationType))
{
return true;
}
}
return false;
}
public String toString()
{
StringBuilder builder = new StringBuilder();
builder.append("Base Type : " + baseType.toString() + ",");
builder.append("Type Closures : " + typeClosures + ",");
builder.append("Annotations : " + annotations.toString());
return builder.toString();
}
}