001/**
002 *   GRANITE DATA SERVICES
003 *   Copyright (C) 2006-2013 GRANITE DATA SERVICES S.A.S.
004 *
005 *   This file is part of the Granite Data Services Platform.
006 *
007 *   Granite Data Services is free software; you can redistribute it and/or
008 *   modify it under the terms of the GNU Lesser General Public
009 *   License as published by the Free Software Foundation; either
010 *   version 2.1 of the License, or (at your option) any later version.
011 *
012 *   Granite Data Services is distributed in the hope that it will be useful,
013 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
014 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser
015 *   General Public License for more details.
016 *
017 *   You should have received a copy of the GNU Lesser General Public
018 *   License along with this library; if not, write to the Free Software
019 *   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
020 *   USA, or see <http://www.gnu.org/licenses/>.
021 */
022package org.granite.config;
023
024import java.util.List;
025
026import org.granite.messaging.amf.io.util.JavaClassDescriptor;
027import org.granite.messaging.amf.io.util.Property;
028import org.granite.util.TypeUtil;
029
030/**
031 * @author Franck WOLFF
032 */
033public class JavaClassDescriptorFactory implements ConfigurableFactory<Class<? extends JavaClassDescriptor>> {
034
035    private static final class NullJavaClassDescriptor extends JavaClassDescriptor {
036        protected NullJavaClassDescriptor(Class<?> type) {
037            super(type);
038            throw new RuntimeException("Not implemented");
039        }
040        @Override
041        protected List<Property> introspectProperties() {
042            return null;
043        }
044    }
045    private static final Class<? extends JavaClassDescriptor> NULL_JC_DESCRIPTOR
046        = NullJavaClassDescriptor.class;
047
048    public Class<? extends JavaClassDescriptor> getNullInstance() {
049        return NULL_JC_DESCRIPTOR;
050    }
051
052    public Class<? extends JavaClassDescriptor> getInstance(String type, GraniteConfig config) throws GraniteConfigException {
053        try {
054            return TypeUtil.forName(type, JavaClassDescriptor.class);
055        } catch (Exception e) {
056            throw new GraniteConfigException("Could not load JavaClassDescriptor type: " + type, e);
057        }
058    }
059
060    public Class<? extends JavaClassDescriptor> getInstanceForBean(
061        List<Class<? extends JavaClassDescriptor>> scannedConfigurables,
062        Class<?> beanClass,
063        GraniteConfig config) throws GraniteConfigException {
064
065        return NULL_JC_DESCRIPTOR;
066    }
067}