org.apache.xmlbeans.impl.inst2xsd.VenetianBlindStrategy Maven / Gradle / Ivy

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The Apache Commons Codec package contains simple encoder and decoders for various formats such as Base64 and Hexadecimal. In addition to these widely used encoders and decoders, the codec package also maintains a collection of phonetic encoding utilities.

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/*   Copyright 2004 The Apache Software Foundation
 *
 *   Licensed 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.xmlbeans.impl.inst2xsd;

import org.apache.xmlbeans.impl.inst2xsd.util.Element;
import org.apache.xmlbeans.impl.inst2xsd.util.TypeSystemHolder;
import org.apache.xmlbeans.impl.inst2xsd.util.Type;

import javax.xml.namespace.QName;

/**
 * @author Cezar Andrei ( cezar.andrei at bea.com )
 * Date: Jul 26, 2004
 */
public class VenetianBlindStrategy
    extends RussianDollStrategy
    implements XsdGenStrategy
{
    protected void checkIfReferenceToGlobalTypeIsNeeded(Element elem,
        TypeSystemHolder typeSystemHolder, Inst2XsdOptions options)
    {
        // VenetianBlindDesign defines global complex types
        Type elemType = elem.getType();
        QName elemName = elem.getName();

        if (elemType.isGlobal())
            // is already global, do nothing
            return;

        if (elemType.isComplexType())
        {
            for (int i = 0; ; i++)
            {
                elemType.setName(new QName(elemName.getNamespaceURI(), elemName.getLocalPart() + "Type" + (i==0 ? "" : "" + i)));

                Type candidate = typeSystemHolder.getGlobalType(elemType.getName());
                if (candidate==null)
                {
                    elemType.setGlobal(true);
                    typeSystemHolder.addGlobalType(elemType);
                    break;
                }
                else
                {
                    if (compatibleTypes(candidate, elemType))
                    {
                        combineTypes(candidate, elemType, options);
                        elem.setType(candidate);
                        break;
                    }
                }
            }
        }
    }

    private boolean compatibleTypes(Type elemType, Type candidate)
    {
        // when two types look like they are the same ?

        if (elemType==candidate)
            return true;

//        if (typeIsReferencedInside(elemType, candidate) || typeIsReferencedInside(candidate, elemType))
//            return false;
//
//        if (!elemType.isComplexType() && !candidate.isComplexType())
//            return true;
//
//        if (elemType.isComplexType() && !candidate.isComplexType())
//            return false;
//        if (!elemType.isComplexType() && candidate.isComplexType())
//            return false;
//
//        // both complex after this point
//
//        //todo: be smarter: look at att and elem names and types - compute a difference index

        return true;
    }

//    private boolean typeIsReferencedInside(Type entity, Type container)
//    {
//        for (int i = 0; i < container.getElements().size(); i++)
//        {
//            Element element = (Element) container.getElements().get(i);
//            if (entity==element.getType())
//                return true;
//
//            if (typeIsReferencedInside(entity, element.getType()))
//                return true;
//        }
//
//        for (int i = 0; i < container.getAttributes().size(); i++)
//        {
//            Attribute attribute = (Attribute) container.getAttributes().get(i);
//            if (entity==attribute.getType())
//                return true;
//
//            if (typeIsReferencedInside(entity, attribute.getType()))
//                return true;
//        }
//        return false;
//    }
}