FetchDetailsToIndex.java 文件源码

private void handleRequireModules(AddOnVersion addOnVersion, XPath xpath, Document config)
        throws XPathExpressionException {
    NodeList nodeList = (NodeList) xpath.evaluate("/module/require_modules/require_module", config,
            XPathConstants.NODESET);
    for (int i = 0; i < nodeList.getLength(); ++i) {
        Node item = nodeList.item(i);
        Node version = item.getAttributes().getNamedItem("version");
        String requiredModule = item.getTextContent().trim();
        String requiredVersion = version == null ? null : version.getTextContent().trim();
        // sometimes modules are inadvertently uploaded without substituting maven variables in config.xml and we end
        // up with a required module version like ${reportingVersion}
        if (requiredVersion != null && requiredVersion.startsWith("${")) {
            requiredVersion = null;
        }
        addOnVersion.addRequiredModule(requiredModule, requiredVersion);
    }
}