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    
021    package org.granite.tide.cdi;
022    
023    import java.io.Serializable;
024    import java.lang.reflect.Type;
025    import java.util.HashMap;
026    import java.util.Map;
027    import java.util.Map.Entry;
028    
029    import javax.enterprise.context.ApplicationScoped;
030    import javax.enterprise.inject.spi.Bean;
031    
032    
033    /**
034     * @author William DRAI
035     */
036    @ApplicationScoped
037    public class TideInstrumentedBeans implements Serializable {
038    
039        private static final long serialVersionUID = 1L;
040        
041        
042        private Map<Type, Bean<?>> beans = null;
043        private Map<Object, Type> producedBeans = null;
044        
045        public void setBeans(Map<Type, Bean<?>> beans) {
046            this.beans = beans;
047        }
048        public Bean<?> getBean(Type type) {
049            Bean<?> bean = beans.get(type);
050            if (bean != null)
051                    return bean;
052            if (type instanceof Class<?>) {
053                    Class<?> clazz = (Class<?>)type;
054                    if (clazz.getSuperclass() != null)
055                            bean = beans.get(clazz.getSuperclass());
056                    if (bean != null)
057                            return bean;
058                    for (Class<?> i : clazz.getInterfaces()) {
059                            bean = beans.get(i);
060                            if (bean != null)
061                                    return bean;
062                    }
063            }
064            return null;
065        }
066        
067        
068        public void setProducedBeans(Map<Object, Type> producedBeans) {
069            this.producedBeans = new HashMap<Object, Type>();
070            for (Entry<Object, Type> me : producedBeans.entrySet()) {
071                    if (beans.containsKey(me.getValue()))
072                            this.producedBeans.put(me.getKey(), me.getValue());
073            }
074        }
075        public boolean isProducedBy(Object name, Type clazz) {
076            Class<?> beanClass = ((Class<?>)producedBeans.get(name)); 
077            return beanClass != null ? beanClass.isAssignableFrom((Class<?>)clazz) : false;
078        }
079    }