Java 类org.apache.commons.configuration2.interpol.Lookup 实例源码

protected Pair<XMLConfiguration, URL> createXmlConfiguration(String fileName) {
    List<Lookup> lookups = Arrays.asList(new SystemPropertiesLookup(), new HomeLookup(), new ConfigLookup());

    Parameters params = new Parameters();
    FallbackBasePathLocationStrategy locationStrategy =
            new FallbackBasePathLocationStrategy(FileLocatorUtils.DEFAULT_LOCATION_STRATEGY, home);
    FileBasedConfigurationBuilder<XMLConfiguration> builder = new FileBasedConfigurationBuilder<>(XMLConfiguration.class)
            .configure(params.xml().setDefaultLookups(lookups).setLocationStrategy(locationStrategy).setFileName(fileName)
                    .setSchemaValidation(true).setEntityResolver(new ResourceSchemaResolver()));

    try {
        XMLConfiguration xmlConfiguration = builder.getConfiguration();

        return new ImmutablePair<>(xmlConfiguration, locationStrategy.getLocatedUrl());
    } catch (ConfigurationException e) {
        throw new ConfigException(e);
    }
}