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     */
022    package org.granite.config;
023    
024    import java.util.List;
025    
026    import org.granite.messaging.amf.io.util.JavaClassDescriptor;
027    import org.granite.messaging.amf.io.util.Property;
028    import org.granite.util.TypeUtil;
029    
030    /**
031     * @author Franck WOLFF
032     */
033    public 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    }