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Chromattic Framework Metamodel
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/*
 * Copyright (C) 2010 eXo Platform SAS.
 *
 * This is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation; either version 2.1 of
 * the License, or (at your option) any later version.
 *
 * This software 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this software; if not, write to the Free
 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
 */

package org.chromattic.metamodel.bean;

import org.reflext.api.ClassTypeInfo;
import org.reflext.api.TypeInfo;
import org.reflext.api.annotation.AnnotationType;
import org.reflext.api.introspection.AnnotationIntrospector;
import org.reflext.api.introspection.AnnotationTarget;

import java.lang.annotation.Annotation;
import java.util.*;

/**
 * @author Julien Viet
 * @version $Revision$
 */
public class BeanInfo {

  /** . */
  BeanInfo parent;

  /** . */
  final ClassTypeInfo classType;

  /** Declared means it was build by declaration and not by implicit resolution. */
  final boolean declared;

  /** . */
  final Map> properties;

  /** . */
  final Map> unmodifiableProperties;

  public BeanInfo(ClassTypeInfo classType, boolean declared) {
    this.classType = classType;
    this.declared = declared;
    this.properties = new HashMap>();
    this.unmodifiableProperties = Collections.unmodifiableMap(properties);
  }

  public BeanInfo getParent() {
    return parent;
  }

  public ClassTypeInfo getClassType() {
    return classType;
  }

  public boolean isDeclared() {
    return declared;
  }

  public PropertyInfo getProperty(String name) {
    return properties.get(name);
  }

  public Map> getProperties() {
    return properties;
  }

  public Collection getAnnotations(Class... annotationClassTypes) {
    List props = new ArrayList();
    for (Class annotationClassType : annotationClassTypes) {
      Annotation annotation = getAnnotation(annotationClassType);
      if (annotation != null) {
        props.add(annotation);
      }
    }
    return props;
  }

  public ClassTypeInfo resolveToClass(TypeInfo type) {
    return Utils.resolveToClassType(classType, type);
  }

  public  A getAnnotation(Class annotationClass) {
    return getAnnotation(AnnotationType.get(annotationClass));
  }

  public  A getAnnotation(AnnotationType annotationType) {
    if (annotationType == null) {
      throw new NullPointerException();
    }
    AnnotationIntrospector introspector = new AnnotationIntrospector(annotationType);
    AnnotationTarget annotationTarget = introspector.resolve(classType);
    return annotationTarget != null ? annotationTarget.getAnnotation() : null;
  }

  @Override
  public String toString() {
    return "BeanInfo[name=" + classType.getName() + "]";
  }
}