/*
* Copyright (c) 1998-2011 Caucho Technology -- all rights reserved
*
* This file is part of Resin(R) Open Source
*
* Each copy or derived work must preserve the copyright notice and this
* notice unmodified.
*
* Resin Open Source is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* Resin Open Source is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, or any warranty
* of NON-INFRINGEMENT. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License
* along with Resin Open Source; if not, write to the
*
* Free Software Foundation, Inc.
* 59 Temple Place, Suite 330
* Boston, MA 02111-1307 USA
*
* @author Scott Ferguson
*/
package com.caucho.config.reflect;
import java.lang.annotation.Annotation;
import java.lang.reflect.Type;
import java.util.Collection;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Set;
import javax.enterprise.inject.spi.Annotated;
import javax.enterprise.inject.spi.AnnotatedType;
import com.caucho.config.inject.InjectManager;
import com.caucho.inject.Module;
/**
* Abstract introspected view of a Bean
*/
@Module
public class AnnotatedElementImpl implements Annotated, BaseTypeAnnotated
{
private static final AnnotationSet NULL_ANN_SET
= new AnnotationSet();
private BaseType _type;
private Set<Type> _typeSet;
private AnnotationSet _annSet;
public AnnotatedElementImpl(BaseType type,
Annotated annotated,
Annotation []annList)
{
_type = type;
if (annotated != null) {
Set<Annotation> annSet = annotated.getAnnotations();
if (annSet != null && annSet.size() > 0) {
_annSet = new AnnotationSet(annSet);
}
}
if (annList != null && annList.length > 0) {
if (_annSet == null)
_annSet = new AnnotationSet();
for (Annotation ann : annList) {
_annSet.add(ann);
}
}
}
public AnnotatedElementImpl(Annotated annotated)
{
this(createBaseType(annotated), annotated, null);
}
public AnnotatedElementImpl(Class<?> cl,
Annotated annotated,
Annotation []annotationList)
{
this(createBaseType(cl), annotated, annotationList);
}
protected static BaseType createBaseType(Annotated ann)
{
if (ann instanceof BaseTypeAnnotated)
return ((BaseTypeAnnotated) ann).getBaseTypeImpl();
else
return createBaseType(ann.getBaseType());
}
protected static BaseType createBaseType(AnnotatedType<?> declaringType)
{
if (declaringType instanceof BaseTypeAnnotated)
return ((BaseTypeAnnotated) declaringType).getBaseTypeImpl();
else
return createBaseType(declaringType.getBaseType());
}
protected static BaseType createBaseType(AnnotatedType<?> declaringType,
Type type)
{
HashMap<String,BaseType> paramMap = null;
String paramDeclName = null;
return createBaseType(declaringType, type, paramMap, paramDeclName);
}
protected static BaseType createBaseType(AnnotatedType<?> declaringType,
Type type,
String paramDeclName)
{
HashMap<String,BaseType> paramMap = null;
return createBaseType(declaringType, type, paramMap, paramDeclName);
}
protected static BaseType createBaseType(AnnotatedType<?> declaringType,
Type type,
HashMap<String,BaseType> paramMap,
String paramDeclName)
{
// ioc/0242
BaseType baseType = createBaseType(declaringType,
type,
paramMap,
paramDeclName,
BaseType.ClassFill.PLAIN);
return baseType;
}
protected static BaseType createBaseType(AnnotatedType<?> declaringType,
Type type,
HashMap<String,BaseType> paramMap,
String paramDeclName,
BaseType.ClassFill classFill)
{
if (declaringType instanceof BaseTypeAnnotated) {
BaseTypeAnnotated baseTypeAnn = (BaseTypeAnnotated) declaringType;
if (paramMap == null)
paramMap = baseTypeAnn.getBaseTypeParamMap();
return BaseType.create(type, paramMap, paramDeclName, classFill);
}
/*
else if (declaringType instanceof ReflectionAnnotatedType<?>) {
declBaseType = ((ReflectionAnnotatedType<?>) declaringType).getBaseTypeImpl();
return declBaseType.create(type, declBaseType.getParamMap(), true);
}
*/
return createBaseType(type);
}
protected static BaseType createBaseType(Type type)
{
InjectManager cdiManager = InjectManager.getCurrent();
return cdiManager.createSourceBaseType(type);
}
@Override
public Type getBaseType()
{
return _type.toType();
}
@Override
public BaseType getBaseTypeImpl()
{
return _type;
}
@Override
public HashMap<String,BaseType> getBaseTypeParamMap()
{
return getBaseTypeImpl().getParamMap();
}
@Override
public Set<VarType<?>> getTypeVariables()
{
HashSet<VarType<?>> typeVariables = new HashSet<VarType<?>>();
fillTypeVariables(typeVariables);
return typeVariables;
}
protected void fillTypeVariables(Set<VarType<?>> typeVariables)
{
getBaseTypeImpl().fillSyntheticTypes(typeVariables);
}
@Override
public Set<Type> getTypeClosure()
{
if (_typeSet == null) {
InjectManager cdiManager = InjectManager.getCurrent();
_typeSet = _type.getTypeClosure(cdiManager);
}
return _typeSet;
}
public void addAnnotations(Collection<Annotation> annSet)
{
for (Annotation ann : annSet)
addAnnotation(ann);
}
public void addAnnotations(Annotation []annSet)
{
for (Annotation ann : annSet)
addAnnotation(ann);
}
public void addAnnotation(Annotation newAnn)
{
if (_annSet == null)
_annSet = new AnnotationSet();
_annSet.replace(newAnn);
}
public void addAnnotationIfAbsent(Annotation newAnn)
{
if (! isAnnotationPresent(newAnn.annotationType()))
addAnnotation(newAnn);
}
public void removeAnnotation(Annotation ann)
{
if (_annSet == null)
return;
_annSet.remove(ann);
}
public void clearAnnotations()
{
if (_annSet != null)
_annSet.clear();
}
/**
* Returns the declared annotations
*/
@Override
public Set<Annotation> getAnnotations()
{
if (_annSet != null)
return _annSet;
else
return NULL_ANN_SET;
}
/**
* Returns the matching annotation
*/
@Override
@SuppressWarnings("unchecked")
public <T extends Annotation> T getAnnotation(Class<T> annType)
{
if (_annSet == null)
return null;
return (T) _annSet.getAnnotation(annType);
}
/**
* Returns true if the annotation is present)
*/
@Override
public boolean isAnnotationPresent(Class<? extends Annotation> annType)
{
if (_annSet == null)
return false;
return _annSet.isAnnotationPresent(annType);
}
@Override
public String toString()
{
return getClass().getSimpleName() + "[" + _type + "]";
}
}