/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 * 
 *   http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.    
 */

package org.apache.tuscany.sca.databinding.sdo.module;

import org.apache.tuscany.sca.assembly.AssemblyFactory;
import org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessorExtensionPoint;
import org.apache.tuscany.sca.core.ExtensionPointRegistry;
import org.apache.tuscany.sca.core.ModelFactoryExtensionPoint;
import org.apache.tuscany.sca.core.ModuleActivator;
import org.apache.tuscany.sca.databinding.DataBindingExtensionPoint;
import org.apache.tuscany.sca.databinding.TransformerExtensionPoint;
import org.apache.tuscany.sca.databinding.sdo.DataObject2String;
import org.apache.tuscany.sca.databinding.sdo.DataObject2XMLStreamReader;
import org.apache.tuscany.sca.databinding.sdo.HelperContextProcessor;
import org.apache.tuscany.sca.databinding.sdo.HelperContextRegistry;
import org.apache.tuscany.sca.databinding.sdo.HelperContextRegistryImpl;
import org.apache.tuscany.sca.databinding.sdo.ImportSDOProcessor;
import org.apache.tuscany.sca.databinding.sdo.SDODataBinding;
import org.apache.tuscany.sca.databinding.sdo.String2DataObject;
import org.apache.tuscany.sca.databinding.sdo.XMLDocument2String;
import org.apache.tuscany.sca.databinding.sdo.XMLDocument2XMLStreamReader;
import org.apache.tuscany.sca.databinding.sdo.XMLStreamReader2DataObject;
import org.apache.tuscany.sca.databinding.sdo.XMLStreamReader2XMLDocument;
import org.apache.tuscany.sca.implementation.java.introspect.JavaClassIntrospectorExtensionPoint;

/**
 * @version $Rev$ $Date$
 */
public class SDODataBindingModuleActivator implements ModuleActivator {

    public Object[] getExtensionPoints() {
        return null;
    }

    public void start(ExtensionPointRegistry registry) {
        ModelFactoryExtensionPoint factories = registry.getExtensionPoint(ModelFactoryExtensionPoint.class);
        AssemblyFactory assemblyFactory = factories.getFactory(AssemblyFactory.class);
        
        DataBindingExtensionPoint dataBindings = registry.getExtensionPoint(DataBindingExtensionPoint.class);
        dataBindings.addDataBinding(new SDODataBinding());

        StAXArtifactProcessorExtensionPoint processors = registry.getExtensionPoint(StAXArtifactProcessorExtensionPoint.class);
        HelperContextRegistry contextRegistry = new HelperContextRegistryImpl();
        processors.addArtifactProcessor(new ImportSDOProcessor(contextRegistry));

        TransformerExtensionPoint transformers = registry.getExtensionPoint(TransformerExtensionPoint.class);
        transformers.addTransformer(new DataObject2String());
        transformers.addTransformer(new DataObject2XMLStreamReader());
        transformers.addTransformer(new XMLDocument2String());
        transformers.addTransformer(new String2DataObject());
        transformers.addTransformer(new XMLDocument2XMLStreamReader());
        transformers.addTransformer(new XMLStreamReader2DataObject());
        transformers.addTransformer(new XMLStreamReader2XMLDocument());
        
        JavaClassIntrospectorExtensionPoint introspectors = registry.getExtensionPoint(JavaClassIntrospectorExtensionPoint.class);
        introspectors.addClassVisitor(new HelperContextProcessor(assemblyFactory, contextRegistry));

    }

    public void stop(ExtensionPointRegistry registry) {
    }

}