spring json doesn’t support sending JSON data by default , a JSON library is needed, the open source FlexJSON fits perfectly well here:
class JsonView implements org.springframework.web.servletView {
public String getContentType() {
return "text/json";
}
public void render(java.util.Map model, javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response) {
try {
String data = new flexjson.JSONSerializer().exclude("*.class").deepSerialize(model);
response.getWriter().write(data);
} catch (java.io.IOException e) {
// leave empty
}
}
}
Using the JsonView is now simple matter of configuring it from Spring view.xml and calling the view directly from the controller:
<beans>
<bean name="jsonView" class="experimental.web.JsonView"/>
</beans>
@Controller
class TestController {
@RequestMapping("/test.json")
public ModelAndView test() {
...
return new ModelAndView("jsonView");
}
}
Original Source:
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