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.config;
022
023import java.util.List;
024
025import org.granite.messaging.amf.io.util.JavaClassDescriptor;
026import org.granite.messaging.amf.io.util.Property;
027import org.granite.util.TypeUtil;
028
029/**
030 * @author Franck WOLFF
031 */
032public class JavaClassDescriptorFactory implements ConfigurableFactory<Class<? extends JavaClassDescriptor>> {
033
034    private static final class NullJavaClassDescriptor extends JavaClassDescriptor {
035        protected NullJavaClassDescriptor(Class<?> type) {
036            super(type);
037            throw new RuntimeException("Not implemented");
038        }
039        @Override
040        protected List<Property> introspectProperties() {
041            return null;
042        }
043    }
044    private static final Class<? extends JavaClassDescriptor> NULL_JC_DESCRIPTOR
045        = NullJavaClassDescriptor.class;
046
047    public Class<? extends JavaClassDescriptor> getNullInstance() {
048        return NULL_JC_DESCRIPTOR;
049    }
050
051    public Class<? extends JavaClassDescriptor> getInstance(String type, GraniteConfig config) throws GraniteConfigException {
052        try {
053            return TypeUtil.forName(type, JavaClassDescriptor.class);
054        } catch (Exception e) {
055            throw new GraniteConfigException("Could not load JavaClassDescriptor type: " + type, e);
056        }
057    }
058
059    public Class<? extends JavaClassDescriptor> getInstanceForBean(
060        List<Class<? extends JavaClassDescriptor>> scannedConfigurables,
061        Class<?> beanClass,
062        GraniteConfig config) throws GraniteConfigException {
063
064        return NULL_JC_DESCRIPTOR;
065    }
066}