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copied!<p>I've acomplished question's goal. <code>@Ralph's</code> answer was very <strong>very</strong> helpfull, but to be precise I'll write what was needed more.</p> <p>I've created <code><a href="http://docs.spring.io/spring/docs/3.2.x/javadoc-api/org/springframework/web/method/support/HandlerMethodArgumentResolver.html" rel="nofollow noreferrer">HandlerMethodArgumentResolver</a></code>, name it <code>CustomHandlerMethodArgumentResolver</code>. To map all request parameters to result object, I had to mark controller's method's param as <code>@RequestBody</code>. </p> <p>That was not enough because Spring's default <code>HandlerMethodArgumentResolvers</code> try to map it first and my resolver wasn't executed. But <a href="https://stackoverflow.com/a/19847526/1329290">this</a> answer pointed how to set priority for my resolver. </p> <p><code>@PostConstruct</code> did not work (not shure why), so I've modified my <code>@Configuration</code> class to implement <code>ApplicationListener<ContextRefreshedEvent></code>. Here is the code:</p> <pre><code>@Override public void onApplicationEvent(ContextRefreshedEvent event) { RequestMappingHandlerAdapter adapter = event.getApplicationContext().getBean( RequestMappingHandlerAdapter.class); CustomHandlerMethodArgumentResolver resolver = event.getApplicationContext().getBean( CustomHandlerMethodArgumentResolver.class); List<HandlerMethodArgumentResolver> argumentResolvers = new ArrayList<>( adapter.getArgumentResolvers().getResolvers()); List<HandlerMethodArgumentResolver> customResolvers = adapter.getCustomArgumentResolvers(); argumentResolvers.remove(resolver); argumentResolvers.add(0, resolver); adapter.setArgumentResolvers(argumentResolvers); } </code></pre> <p>Of course <code>CustomHandlerMethodArgumentResolver</code> <code>.supportsParameter(MethodParameter)</code> checks if actual situation should be processed in custom or default way - that depends on requirements.</p> <p>Thank you <code>@Ralph</code> for lightning fast help!</p>

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