Example usage for org.springframework.web.servlet.view.json MappingJackson2JsonView MappingJackson2JsonView

Introduction

In this page you can find the example usage for org.springframework.web.servlet.view.json MappingJackson2JsonView MappingJackson2JsonView.

Prototype

public MappingJackson2JsonView(ObjectMapper objectMapper) 

Source Link

Document

Construct a new MappingJackson2JsonView using the provided ObjectMapper and setting the content type to application/json .

Usage

From source file:org.bremersee.common.spring.autoconfigure.WebMvcExceptionResolver.java

@Override
public ModelAndView resolveException(HttpServletRequest request, HttpServletResponse response, Object handler,
        Exception ex) {/*w ww.j a v  a 2  s . c o  m*/

    if (ex == null || !isRestController(handler)) {
        return null;
    }

    final Object dto = getExceptionMapper(handler).toDto(ex);
    if (dto == null) {
        return null;
    }

    ModelAndView mav;

    String acceptStr = request.getHeader("Accept") == null ? "" : request.getHeader("Accept").toLowerCase();
    if (log.isDebugEnabled()) {
        log.debug("Handler [" + handler + "] got accept header [" + acceptStr + "] from client.");
    }
    if (acceptStr.contains("application/xml") || acceptStr.contains("text/xml")) {

        MarshallingView mv = new MarshallingView(marshaller);
        mv.setModelKey(DTO_KEY);
        mav = new ModelAndView(mv, DTO_KEY, dto);
        response.setContentType(MediaType.APPLICATION_XML_VALUE);

    } else {

        final MappingJackson2JsonView mjv = new MappingJackson2JsonView(objectMapper);
        mav = new ModelAndView(mjv);
        final Map<String, Object> map = toJsonMap(dto);
        mav.addAllObjects(map);
        if (acceptStr.contains("text/plain")) {
            response.setContentType(MediaType.TEXT_PLAIN_VALUE);
        } else {
            response.setContentType(MediaType.APPLICATION_JSON_VALUE);
        }
    }

    Integer statusCode = determineStatusCode(ex);
    applyStatusCodeIfPossible(request, response, statusCode);

    return mav;
}

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