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feilong is a suite of core and expanded libraries that include utility classes, http, excel,cvs, io classes, and much much more.

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/*
 * Copyright (C) 2008 XStream Committers.
 * All rights reserved.
 *
 * The software in this package is published under the terms of the BSD
 * style license a copy of which has been included with this distribution in
 * the LICENSE.txt file.
 * 
 * Created on 09. October 2008 by Joerg Schaible
 */
package com.feilong.lib.xstream.core.util;

import com.feilong.lib.xstream.io.HierarchicalStreamReader;
import com.feilong.lib.xstream.io.HierarchicalStreamWriter;
import com.feilong.lib.xstream.mapper.Mapper;

/**
 * Helper methods for {@link HierarchicalStreamReader} and {@link HierarchicalStreamWriter}.
 * 
 * @author Jörg Schaible
 * @since 1.3.1
 */
public class HierarchicalStreams{

    public static Class readClassType(HierarchicalStreamReader reader,Mapper mapper){
        String classAttribute = readClassAttribute(reader, mapper);
        Class type;
        if (classAttribute == null){
            type = mapper.realClass(reader.getNodeName());
        }else{
            type = mapper.realClass(classAttribute);
        }
        return type;
    }

    public static String readClassAttribute(HierarchicalStreamReader reader,Mapper mapper){
        String attributeName = mapper.aliasForSystemAttribute("resolves-to");
        String classAttribute = attributeName == null ? null : reader.getAttribute(attributeName);
        if (classAttribute == null){
            attributeName = mapper.aliasForSystemAttribute("class");
            if (attributeName != null){
                classAttribute = reader.getAttribute(attributeName);
            }
        }
        return classAttribute;
    }

}