/*
 * Copyright 2001-2005 (C) MetaStuff, Ltd. All Rights Reserved.
 *
 * This software is open source.
 * See the bottom of this file for the licence.
 */

package org.dom4j.datatype;

import com.sun.msv.datatype.xsd.XSDatatype;

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

import org.dom4j.DocumentFactory;
import org.dom4j.Element;
import org.dom4j.QName;

/**
 * <p>
 * <code>NamedTypeResolver</code> resolves named types for a given QName.
 * </p>
 * 
 * @author Yuxin Ruan
 * @version $Revision: 1.8 $
 */
class NamedTypeResolver {
    protected Map<QName, DocumentFactory> complexTypeMap = new HashMap<QName, DocumentFactory>();

    protected Map<QName, XSDatatype> simpleTypeMap = new HashMap<QName, XSDatatype>();

    protected Map<Element, QName> typedElementMap = new HashMap<Element, QName>();

    protected Map<Element, DocumentFactory> elementFactoryMap = new HashMap<Element, DocumentFactory>();

    protected DocumentFactory documentFactory;

    NamedTypeResolver(DocumentFactory documentFactory) {
        this.documentFactory = documentFactory;
    }

    void registerComplexType(QName type, DocumentFactory factory) {
        complexTypeMap.put(type, factory);
    }

    void registerSimpleType(QName type, XSDatatype datatype) {
        simpleTypeMap.put(type, datatype);
    }

    void registerTypedElement(Element element, QName type,
            DocumentFactory parentFactory) {
        typedElementMap.put(element, type);
        elementFactoryMap.put(element, parentFactory);
    }

    void resolveElementTypes() {
        for (Element element : typedElementMap.keySet()) {
            QName elementQName = getQNameOfSchemaElement(element);
            QName type = (QName) typedElementMap.get(element);

            if (complexTypeMap.containsKey(type)) {
                DocumentFactory factory = (DocumentFactory) complexTypeMap
                        .get(type);
                elementQName.setDocumentFactory(factory);
            } else if (simpleTypeMap.containsKey(type)) {
                XSDatatype datatype = (XSDatatype) simpleTypeMap.get(type);
                DocumentFactory factory = (DocumentFactory) elementFactoryMap
                        .get(element);

                if (factory instanceof DatatypeElementFactory) {
                    ((DatatypeElementFactory) factory)
                            .setChildElementXSDatatype(elementQName, datatype);
                }
            }
        }
    }

    void resolveNamedTypes() {
        resolveElementTypes();
    }

    private QName getQNameOfSchemaElement(Element element) {
        String name = element.attributeValue("name");

        return getQName(name);
    }

    private QName getQName(String name) {
        return documentFactory.createQName(name);
    }
}

/*
 * Redistribution and use of this software and associated documentation
 * ("Software"), with or without modification, are permitted provided that the
 * following conditions are met:
 * 
 * 1. Redistributions of source code must retain copyright statements and
 * notices. Redistributions must also contain a copy of this document.
 * 
 * 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 name "DOM4J" must not be used to endorse or promote products derived
 * from this Software without prior written permission of MetaStuff, Ltd. For
 * written permission, please contact dom4j-info@metastuff.com.
 * 
 * 4. Products derived from this Software may not be called "DOM4J" nor may
 * "DOM4J" appear in their names without prior written permission of MetaStuff,
 * Ltd. DOM4J is a registered trademark of MetaStuff, Ltd.
 * 
 * 5. Due credit should be given to the DOM4J Project - http://www.dom4j.org
 * 
 * THIS SOFTWARE IS PROVIDED BY METASTUFF, LTD. AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL METASTUFF, LTD. OR ITS CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 * 
 * Copyright 2001-2005 (C) MetaStuff, Ltd. All Rights Reserved.
 */
