/*
* Copyright (C) 2003-2011 eXo Platform SAS.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program 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. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.etk.model.plugins.entity;
import java.lang.annotation.Annotation;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.etk.orm.plugins.bean.mapping.JLOTypeInfo;
import org.etk.reflect.api.ClassTypeInfo;
import org.etk.reflect.api.TypeInfo;
import org.etk.reflect.api.TypeVariableInfo;
import org.etk.reflect.api.WildcardTypeInfo;
import org.etk.reflect.api.introspection.AnnotationIntrospector;
import org.etk.reflect.api.introspection.AnnotationTarget;
import org.etk.reflect.core.AnnotationType;
/**
* Created by The eXo Platform SAS
* Author : eXoPlatform
* exo@exoplatform.com
* Jul 14, 2011
*/
public class EntityInfo {
/** . */
EntityInfo parent;
/** . */
final ClassTypeInfo classType;
/** Declared means it was build by declaration and not by implicit resolution. */
final boolean declared;
/** . */
final Map<String, PropertyInfo<?, ?>> properties;
/** . */
final Map<String, PropertyInfo<?, ?>> unmodifiableProperties;
public EntityInfo(ClassTypeInfo classType, boolean declared) {
this.classType = classType;
this.declared = declared;
this.properties = new HashMap<String, PropertyInfo<?, ?>>();
this.unmodifiableProperties = Collections.unmodifiableMap(properties);
}
public EntityInfo getParent() {
return parent;
}
public ClassTypeInfo getClassType() {
return classType;
}
public boolean isDeclared() {
return declared;
}
public PropertyInfo<?, ?> getProperty(String name) {
return properties.get(name);
}
public Map<String, PropertyInfo<?, ?>> getProperties() {
return properties;
}
public Collection<? extends Annotation> getAnnotations(Class<? extends Annotation>... annotationClassTypes) {
List<Annotation> props = new ArrayList<Annotation>();
for (Class<? extends Annotation> annotationClassType : annotationClassTypes) {
Annotation annotation = getAnnotation(annotationClassType);
if (annotation != null) {
props.add(annotation);
}
}
return props;
}
public ClassTypeInfo resolveToClass(TypeInfo type) {
return resolveToClassType(classType, type);
}
public <A extends Annotation> A getAnnotation(Class<A> annotationClass) {
return getAnnotation(AnnotationType.get(annotationClass));
}
public <A> A getAnnotation(AnnotationType<A, ?> annotationType) {
if (annotationType == null) {
throw new NullPointerException();
}
AnnotationIntrospector<A> introspector = new AnnotationIntrospector<A>(annotationType);
AnnotationTarget<ClassTypeInfo,A> annotationTarget = introspector.resolve(classType);
return annotationTarget != null ? annotationTarget.getAnnotation() : null;
}
private ClassTypeInfo resolveToClassType(ClassTypeInfo baseType, TypeInfo type) {
TypeInfo resolvedType = baseType.resolve(type);
if (resolvedType instanceof ClassTypeInfo) {
return (ClassTypeInfo) resolvedType;
} else if (resolvedType instanceof TypeVariableInfo) {
return resolveToClassType(baseType, ((TypeVariableInfo) resolvedType).getBounds().get(0));
} else if (resolvedType instanceof WildcardTypeInfo) {
WildcardTypeInfo wti = (WildcardTypeInfo) resolvedType;
List<TypeInfo> bounds = wti.getUpperBounds();
if (bounds.size() == 0) {
bounds = wti.getLowerBounds();
}
if (bounds.size() == 0) {
return JLOTypeInfo.get();
} else {
return resolveToClassType(baseType, bounds.get(0));
}
} else {
return null;
}
}
@Override
public String toString() {
return "EntityInfo[name=" + classType.getName() + "]";
}
}