GsonFeature.java 文件源码

@Override
public boolean configure(final FeatureContext context) {
    final Configuration config = context.getConfiguration();

    final String jsonFeature = CommonProperties.getValue(config.getProperties(),
            config.getRuntimeType(),
            InternalProperties.JSON_FEATURE,
            JSON_FEATURE,
            String.class);
    // Other JSON providers registered.
    if (!JSON_FEATURE.equalsIgnoreCase(jsonFeature)) {
        return false;
    }

    // Disable other JSON providers.
    String propName = PropertiesHelper.getPropertyNameForRuntime(InternalProperties.JSON_FEATURE,
                                                                 config.getRuntimeType());
    context.property(propName, JSON_FEATURE);

    // Register
    context.register(GsonProvider.class);
    if (gsonBuilder != null) {
        context.register(new ContextResolver<GsonBuilder>() {
            @Override
            public GsonBuilder getContext(Class type) {
                return gsonBuilder;
            }
        });
    }
    return true;
}