import com.sun.tools.internal.ws.wsdl.document.Import; //导入依赖的package包/类
private Import parseImport(
    TWSDLParserContextImpl context,
    Definitions definitions,
    Element e) {
    context.push();
    context.registerNamespaces(e);
    Import anImport = new Import(forest.locatorTable.getStartLocation(e));
    String namespace =
        Util.getRequiredAttribute(e, Constants.ATTR_NAMESPACE);
    anImport.setNamespace(namespace);
    String location = Util.getRequiredAttribute(e, Constants.ATTR_LOCATION);
    anImport.setLocation(location);

    // according to the schema in the WSDL 1.1 spec, an import can have a documentation element
    boolean gotDocumentation = false;

    for (Iterator iter = XmlUtil.getAllChildren(e); iter.hasNext();) {
        Element e2 = Util.nextElement(iter);
        if (e2 == null)
            break;

        if (XmlUtil.matchesTagNS(e2, WSDLConstants.QNAME_DOCUMENTATION)) {
            if (gotDocumentation) {
                errReceiver.error(forest.locatorTable.getStartLocation(e), WsdlMessages.PARSING_ONLY_ONE_DOCUMENTATION_ALLOWED(e.getLocalName()));
            }
            gotDocumentation = true;
            anImport.setDocumentation(getDocumentationFor(e2));
        } else {
            errReceiver.error(forest.locatorTable.getStartLocation(e2), WsdlMessages.PARSING_INVALID_ELEMENT(e2.getTagName(),
                e2.getNamespaceURI()));
        }
    }
    context.pop();
    context.fireDoneParsingEntity(WSDLConstants.QNAME_IMPORT, anImport);
    return anImport;
}