PropertyBoxFormDataProvider.java 文件源码

/**
 * Get the {@link FormDataPropertyValueSerializer} instance to use.
 * @return The {@link FormDataPropertyValueSerializer} instance to use, from {@link ContextResolver} if available or
 *         the default one
 */
private FormDataPropertyValueSerializer getSerializer() {
    if (_serializer == null) {
        // init using a contextresolver, if available
        ContextResolver<FormDataPropertyValueSerializer> contextResolver = providers.getContextResolver(
                FormDataPropertyValueSerializer.class, MediaType.APPLICATION_FORM_URLENCODED_TYPE);
        if (contextResolver != null) {
            _serializer = contextResolver.getContext(FormDataPropertyValueSerializer.class);
        }
        if (_serializer == null) {
            // use default
            _serializer = FormDataPropertyValueSerializer.getDefault();
        }
    }
    return _serializer;
}