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XMLTooling-J is a low-level library that may be used to construct libraries that allow developers to work with XML in a Java beans manner.

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/*
 * Licensed to the University Corporation for Advanced Internet Development, 
 * Inc. (UCAID) under one or more contributor license agreements.  See the 
 * NOTICE file distributed with this work for additional information regarding
 * copyright ownership. The UCAID 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.opensaml.xml;

import java.util.Collections;
import java.util.List;

import javax.xml.namespace.QName;

import org.opensaml.xml.util.IndexedXMLObjectChildrenList;
import org.opensaml.xml.validation.AbstractValidatingXMLObject;

/**
 * AbstractElementExtensible is an element of type xs:any, but without xs:anyAttribute
 * attribute or text content.
 */
public abstract class AbstractElementExtensibleXMLObject extends AbstractValidatingXMLObject implements
        ElementExtensibleXMLObject {

    /** xs:any {@link XMLObject} child elements. */
    private IndexedXMLObjectChildrenList anyXMLObjects;

    /**
     * Constructor.
     * 
     * @param namespaceURI the namespace the element is in
     * @param elementLocalName the local name of the XML element this Object represents
     * @param namespacePrefix the prefix for the given namespace
     */
    public AbstractElementExtensibleXMLObject(String namespaceURI, String elementLocalName, String namespacePrefix) {
        super(namespaceURI, elementLocalName, namespacePrefix);
        anyXMLObjects = new IndexedXMLObjectChildrenList(this);
    }

    /** {@inheritDoc} */
    public List getOrderedChildren() {
        return Collections.unmodifiableList(anyXMLObjects);
    }

    /** {@inheritDoc} */
    public List getUnknownXMLObjects() {
        return anyXMLObjects;
    }

    /** {@inheritDoc} */
    public List getUnknownXMLObjects(QName typeOrName) {
        return (List) anyXMLObjects.subList(typeOrName);
    }
}