/**
 * 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.cxf.binding.corba.wsdl;

import javax.xml.bind.JAXBException;

import org.apache.cxf.Bus;
import org.apache.cxf.common.injection.NoJSR250Annotations;
import org.apache.cxf.wsdl.JAXBExtensionHelper;
import org.apache.cxf.wsdl.WSDLExtensionLoader;
import org.apache.cxf.wsdl.WSDLManager;

/**
 * 
 */
@NoJSR250Annotations
public final class WSDLExtensionRegister implements WSDLExtensionLoader { 
    private static final String YOKO_NAMESPACE = "http://schemas.apache.org/yoko/bindings/corba";
    
    public WSDLExtensionRegister(Bus b) {
        WSDLManager manager = b.getExtension(WSDLManager.class);
        registerCXFExtensors(manager);
        registerYokoCompatibleExtensors(manager);
    }
    
    void registerCXFExtensors(WSDLManager manager) {
        createExtensor(manager, javax.wsdl.Binding.class,
                             org.apache.cxf.binding.corba.wsdl.BindingType.class);
        createExtensor(manager, javax.wsdl.BindingOperation.class,
                             org.apache.cxf.binding.corba.wsdl.OperationType.class);
        createExtensor(manager, javax.wsdl.Definition.class,
                             org.apache.cxf.binding.corba.wsdl.TypeMappingType.class);
        createExtensor(manager, javax.wsdl.Port.class,
                             org.apache.cxf.binding.corba.wsdl.AddressType.class);
        createExtensor(manager, javax.wsdl.Port.class,
                             org.apache.cxf.binding.corba.wsdl.PolicyType.class);
    }
    void registerYokoCompatibleExtensors(WSDLManager manager) {
        createCompatExtensor(manager, javax.wsdl.Binding.class,
                             org.apache.cxf.binding.corba.wsdl.BindingType.class);
        createCompatExtensor(manager, javax.wsdl.BindingOperation.class,
                             org.apache.cxf.binding.corba.wsdl.OperationType.class);
        createCompatExtensor(manager, javax.wsdl.Definition.class,
                             org.apache.cxf.binding.corba.wsdl.TypeMappingType.class);
        createCompatExtensor(manager, javax.wsdl.Port.class,
                             org.apache.cxf.binding.corba.wsdl.AddressType.class);
        createCompatExtensor(manager, javax.wsdl.Port.class,
                             org.apache.cxf.binding.corba.wsdl.PolicyType.class);
    }
    private void createExtensor(WSDLManager manager,
                                Class<?> parentType,
                                Class<?> elementType) {
        try {
            JAXBExtensionHelper.addExtensions(manager.getExtensionRegistry(),
                                              parentType, 
                                              elementType,
                                              null,
                                              this.getClass().getClassLoader());
        } catch (JAXBException e) {
            //ignore, won't support CORBA
        }
        
    }

    private void createCompatExtensor(WSDLManager manager,
                                      Class<?> parentType,
                                      Class<?> elementType) {
        try {
            JAXBExtensionHelper.addExtensions(manager.getExtensionRegistry(),
                                              parentType, 
                                              elementType,
                                              YOKO_NAMESPACE);
        } catch (JAXBException e) {
            //ignore, just won't support the yoko extensors
        }
        
    }

}
