import com.sun.xml.internal.ws.runtime.config.MetroConfig; //导入依赖的package包/类
private static JAXBContext createJAXBContext() throws Exception {
    if (isJDKInternal()) {
        // since jdk classes are repackaged, extra privilege is necessary to create JAXBContext
        return AccessController.doPrivileged(
                new PrivilegedExceptionAction<JAXBContext>() {
                    @Override
                    public JAXBContext run() throws Exception {
                        return JAXBContext.newInstance(MetroConfig.class.getPackage().getName());
                    }
                }, createSecurityContext()
        );
    } else {
        // usage from JAX-WS/Metro/Glassfish
        return JAXBContext.newInstance(MetroConfig.class.getPackage().getName());
    }
}
 

import com.sun.xml.internal.ws.runtime.config.MetroConfig; //导入依赖的package包/类
TubelineDefinition getTubeline(MetroConfig config, URI tubelineDefinitionUri) {
    if (config != null && config.getTubelines() != null) {
        for (TubelineDefinition td : config.getTubelines().getTubelineDefinitions()) {
            if (td.getName().equals(tubelineDefinitionUri.getFragment())) {
                return td;
            }
        }
    }

    return null;
}
 

import com.sun.xml.internal.ws.runtime.config.MetroConfig; //导入依赖的package包/类
private static MetroConfig loadMetroConfig(@NotNull URL resourceUrl) {
    MetroConfig result = null;
    try {
        JAXBContext jaxbContext = createJAXBContext();
        Unmarshaller unmarshaller = jaxbContext.createUnmarshaller();
        XMLInputFactory factory = XmlUtil.newXMLInputFactory(true);
        final JAXBElement<MetroConfig> configElement = unmarshaller.unmarshal(factory.createXMLStreamReader(resourceUrl.openStream()), MetroConfig.class);
        result = configElement.getValue();
    } catch (Exception e) {
        LOGGER.warning(TubelineassemblyMessages.MASM_0010_ERROR_READING_CFG_FILE_FROM_LOCATION(resourceUrl.toString()), e);
    }
    return result;
}
 

import com.sun.xml.internal.ws.runtime.config.MetroConfig; //导入依赖的package包/类
private static MetroConfig loadMetroConfig(@NotNull URL resourceUrl) {
    try (InputStream is = getConfigInputStream(resourceUrl)) {
        JAXBContext jaxbContext = createJAXBContext();
        Unmarshaller unmarshaller = jaxbContext.createUnmarshaller();
        XMLInputFactory factory = XmlUtil.newXMLInputFactory(true);
        JAXBElement<MetroConfig> configElement = unmarshaller.unmarshal(factory.createXMLStreamReader(is), MetroConfig.class);
        return configElement.getValue();
    } catch (Exception e) {
        String message = TubelineassemblyMessages.MASM_0010_ERROR_READING_CFG_FILE_FROM_LOCATION(
                resourceUrl != null ? resourceUrl.toString() : null);
        InternalError error = new InternalError(message);
        LOGGER.logException(error, e, Level.SEVERE);
        throw error;
    }
}
 

import com.sun.xml.internal.ws.runtime.config.MetroConfig; //导入依赖的package包/类
private static JAXBContext createJAXBContext() throws Exception {
    if (isJDKInternal()) {
        // since jdk classes are repackaged, extra privilege is necessary to create JAXBContext
        return AccessController.doPrivileged(
                new PrivilegedExceptionAction<JAXBContext>() {
                    @Override
                    public JAXBContext run() throws Exception {
                        return JAXBContext.newInstance(MetroConfig.class.getPackage().getName());
                    }
                });
    } else {
        // usage from JAX-WS/Metro/Glassfish
        return JAXBContext.newInstance(MetroConfig.class.getPackage().getName());
    }
}