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OpenWebBeans Java EE EJB Utility

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/*
 * 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.webbeans.ejb.common.util;

import java.lang.reflect.ParameterizedType;
import java.lang.reflect.Type;

import org.apache.webbeans.util.Asserts;
import org.apache.webbeans.util.ClassUtil;

public final class EjbClassUtility
{
    private EjbClassUtility()
    {
        
    }
    
    
    public static Class getLocalInterfaceClass(Type localInterfaceGenericType)
    {
        Asserts.assertNotNull(localInterfaceGenericType);
        
        Class localInterface = null;
        if(ClassUtil.isParametrizedType(localInterfaceGenericType))
        {
            ParameterizedType parametrizedType = (ParameterizedType)localInterfaceGenericType;
            
            if(ClassUtil.checkParametrizedType(parametrizedType))
            {
                Type rawType = parametrizedType.getRawType();
                localInterface = (Class)rawType;
            }
            
        }
        else if(localInterfaceGenericType instanceof Class)
        {
            localInterface = (Class)localInterfaceGenericType;
        }
        
        return localInterface;
    }

}