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JBI WSDL Shared Library
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/*
 * BEGIN_HEADER - DO NOT EDIT
 *
 * The contents of this file are subject to the terms
 * of the Common Development and Distribution License
 * (the "License").  You may not use this file except
 * in compliance with the License.
 *
 * You can obtain a copy of the license at
 * https://open-esb.dev.java.net/public/CDDLv1.0.html.
 * See the License for the specific language governing
 * permissions and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL
 * HEADER in each file and include the License file at
 * https://open-esb.dev.java.net/public/CDDLv1.0.html.
 * If applicable add the following below this CDDL HEADER,
 * with the fields enclosed by brackets "[]" replaced with
 * your own identifying information: Portions Copyright
 * [year] [name of copyright owner]
 */

/*
 * @(#)XmlBeansUtil.java
 * Copyright 2004-2007 Sun Microsystems, Inc. All Rights Reserved.
 *
 * END_HEADER - DO NOT EDIT
 */
package com.sun.jbi.wsdl2.impl;

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

import javax.xml.namespace.QName;

import org.apache.xmlbeans.SchemaAttributeModel;
import org.apache.xmlbeans.SchemaLocalAttribute;
import org.apache.xmlbeans.SchemaType;

/**
 * This class collects a set of XmlBeans utilities.
 * 
 * @author Sun Microsystems, Inc.
 */
class XmlBeansUtil 
{
    /**
     * Get the qualified names of all attributes given in the attribute model 
     * of the given schema type. This is handy for distinguishing extension
     * attributes in the empty namespace.
     * 
     * @param type The schema type to analyze.
     * @return A possibly empty list of attribute QNames.
     */
    static List getAttributes(SchemaType type)
    {
        ArrayList            result = new ArrayList();
        SchemaAttributeModel model;

        if (type != null && (model = type.getAttributeModel()) != null)
        {
            SchemaLocalAttribute[] attrs  = model.getAttributes();
            final int              nAttrs = attrs != null ? attrs.length : 0;

            for (int idx = 0; idx < nAttrs; idx++)
            {
                result.add(attrs[idx].getName());
            }
        }

        return result;
    }

    /**
     * Get a map of the qualified names of all attributes given in the attribute 
     * model of the given schema type. This is handy for distinguishing extension
     * attributes in the empty namespace.
     * 
     * @param type The schema type to analyze.
     * @return A possibly empty map of attribute QNames, keyed on the QName
     *         canonical name string.
     */
    static Map getAttributesMap(SchemaType type)
    {
        HashMap  result   = new HashMap();
        List     attrs    = getAttributes(type);
        Iterator eachAttr = attrs.iterator();

        while (eachAttr.hasNext())
        {
            QName attrName = (QName) eachAttr.next();
            result.put(attrName.toString(), attrName);
        }

        return result;
    }
}