import com.sun.tools.internal.xjc.reader.dtd.bindinfo.BIAttribute; //导入依赖的package包/类
protected CPropertyInfo createAttribute(
    String elementName, String attributeName, String attributeType,
    String[] enums, short attributeUse, String defaultValue )
        throws SAXException {

    boolean required = attributeUse==USE_REQUIRED;

    // get the attribute-property declaration
    BIElement edecl = bindInfo.element(elementName);
    BIAttribute decl=null;
    if(edecl!=null)     decl=edecl.attribute(attributeName);

    String propName;
    if(decl==null)  propName = model.getNameConverter().toPropertyName(attributeName);
    else            propName = decl.getPropertyName();

    QName qname = new QName("",attributeName);

    // if no declaration is specified, just wrap it by
    // a FieldItem and let the normalizer handle its content.
    TypeUse use;

    if(decl!=null && decl.getConversion()!=null)
        use = decl.getConversion().getTransducer();
    else
        use = builtinConversions.get(attributeType);

    CPropertyInfo r = new CAttributePropertyInfo(
        propName, null,null/*TODO*/, copyLocator(), qname, use, null, required );

    if(defaultValue!=null)
        r.defaultValue = CDefaultValue.create( use, new XmlString(defaultValue) );

    return r;
}