001/*
002  GRANITE DATA SERVICES
003  Copyright (C) 2011 GRANITE DATA SERVICES S.A.S.
004
005  This file is part of Granite Data Services.
006
007  Granite Data Services is free software; you can redistribute it and/or modify
008  it under the terms of the GNU Library General Public License as published by
009  the Free Software Foundation; either version 2 of the License, or (at your
010  option) any later version.
011
012  Granite Data Services is distributed in the hope that it will be useful, but
013  WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
014  FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public License
015  for more details.
016
017  You should have received a copy of the GNU Library General Public License
018  along with this library; if not, see <http://www.gnu.org/licenses/>.
019*/
020
021package org.granite.messaging.amf.io.util;
022
023import java.lang.annotation.Annotation;
024import java.lang.reflect.Method;
025import java.lang.reflect.Type;
026
027import org.granite.messaging.amf.io.convert.Converters;
028import org.granite.util.TypeUtil;
029import org.granite.util.TypeUtil.DeclaredAnnotation;
030
031/**
032 * @author Franck WOLFF
033 */
034public class MethodProperty extends Property {
035
036    private final Method setter;
037    private final Method getter;
038    private final Type type;
039
040    public MethodProperty(Converters converters, String name, Method setter, Method getter) {
041        super(converters, name);
042        this.setter = setter;
043        this.getter = getter;
044        this.type = getter != null ? getter.getGenericReturnType() : setter.getParameterTypes()[0];
045    }
046
047    @Override
048    public boolean isAnnotationPresent(Class<? extends Annotation> annotationClass, boolean recursive) {
049        if (getter != null) {
050            if (getter.isAnnotationPresent(annotationClass))
051                return true;
052            if (recursive && TypeUtil.isAnnotationPresent(getter, annotationClass))
053                return true;
054        }
055        if (setter != null) {
056            if (setter.isAnnotationPresent(annotationClass))
057                return true;
058            if (recursive && TypeUtil.isAnnotationPresent(setter, annotationClass))
059                return true;
060        }
061        return false;
062    }
063
064    @Override
065        public <T extends Annotation> T getAnnotation(Class<T> annotationClass, boolean recursive) {
066        T annotation = null;
067        if (getter != null) {
068                annotation = getter.getAnnotation(annotationClass);
069                if (annotation == null && recursive) {
070                        DeclaredAnnotation<T> declaredAnnotation = TypeUtil.getAnnotation(getter, annotationClass);
071                        if (declaredAnnotation != null)
072                                annotation = declaredAnnotation.annotation;
073                }
074        }
075        if (annotation == null && setter != null) {
076                annotation = setter.getAnnotation(annotationClass);
077                if (annotation == null && recursive) {
078                        DeclaredAnnotation<T> declaredAnnotation = TypeUtil.getAnnotation(setter, annotationClass);
079                        if (declaredAnnotation != null)
080                                annotation = declaredAnnotation.annotation;
081                }
082        }
083                return annotation;
084        }
085
086        @Override
087    public Type getType() {
088        return type;
089    }
090        
091        @Override
092        public Class<?> getDeclaringClass() {
093                return getter != null ? getter.getDeclaringClass() : setter.getDeclaringClass();
094        }
095
096    @Override
097    public void setProperty(Object instance, Object value, boolean convert) {
098        try {
099            Object[] params = new Object[]{convert ? convert(value) : value};
100            setter.invoke(instance, params);
101        } catch (Exception e) {
102            throw new RuntimeException(e);
103        }
104    }
105
106    @Override
107    public Object getProperty(Object instance) {
108        try {
109            return getter.invoke(instance, new Object[0]);
110        } catch (Throwable e) {
111            throw new RuntimeException(e);
112        }
113    }
114}