v2/src/marshal/org/apache/xmlbeans/impl/marshal/RuntimeTypeFactory.java

/*
* The Apache Software License, Version 1.1
*
*
* Copyright (c) 2003 The Apache Software Foundation.  All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
*    notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
*    notice, this list of conditions and the following disclaimer in
*    the documentation and/or other materials provided with the
*    distribution.
*
* 3. The end-user documentation included with the redistribution,
*    if any, must include the following acknowledgment:
*       "This product includes software developed by the
*        Apache Software Foundation (http://www.apache.org/)."
*    Alternately, this acknowledgment may appear in the software itself,
*    if and wherever such third-party acknowledgments normally appear.
*
* 4. The names "Apache" and "Apache Software Foundation" must
*    not be used to endorse or promote products derived from this
*    software without prior written permission. For written
*    permission, please contact apache@apache.org.
*
* 5. Products derived from this software may not be called "Apache
*    XMLBeans", nor may "Apache" appear in their name, without prior
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* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation and was
* originally based on software copyright (c) 2000-2003 BEA Systems
* Inc., <http://www.bea.com/>. For more information on the Apache Software
* Foundation, please see <http://www.apache.org/>.
*/

package org.apache.xmlbeans.impl.marshal;

import org.apache.xmlbeans.impl.binding.bts.BindingLoader;
import org.apache.xmlbeans.impl.binding.bts.BindingType;
import org.apache.xmlbeans.impl.binding.bts.ByNameBean;

import java.util.HashMap;
import java.util.Map;

/**
 * caching factory for runtime binding types
 *
 * currently NOT thread safe (by design)
 */

final class RuntimeTypeFactory
{
    private final Map typeMap = new HashMap();

    public RuntimeBindingType createRuntimeType(BindingType type,
                                                RuntimeBindingTypeTable type_table,
                                                BindingLoader binding_loader)
    {
        RuntimeBindingType rtype = (RuntimeBindingType)typeMap.get(type);
        if (rtype == null) {
            rtype = allocateType(type);
            typeMap.put(type, rtype);
            rtype.initialize(type_table, binding_loader);
        }
        assert rtype != null;
        return rtype;
    }

    private static RuntimeBindingType allocateType(BindingType type)
    {
        //TODO: fix instanceof nastiness
        if (type instanceof ByNameBean) {
            return new ByNameRuntimeBindingType((ByNameBean)type);
        }

        throw new AssertionError("unknown type: " + type);
    }

}