org.springframework.http.server.ServletServerHttpResponse#getBody ( )源码实例Demo

@Override
@SuppressWarnings("resource")
public void handleReturnValue(@Nullable Object returnValue, MethodParameter returnType,
		ModelAndViewContainer mavContainer, NativeWebRequest webRequest) throws Exception {

	mavContainer.setRequestHandled(true);

	Assert.state(returnValue instanceof HttpHeaders, "HttpHeaders expected");
	HttpHeaders headers = (HttpHeaders) returnValue;

	if (!headers.isEmpty()) {
		HttpServletResponse servletResponse = webRequest.getNativeResponse(HttpServletResponse.class);
		Assert.state(servletResponse != null, "No HttpServletResponse");
		ServletServerHttpResponse outputMessage = new ServletServerHttpResponse(servletResponse);
		outputMessage.getHeaders().putAll(headers);
		outputMessage.getBody();  // flush headers
	}
}
 

@Override
@SuppressWarnings("resource")
public void handleReturnValue(@Nullable Object returnValue, MethodParameter returnType,
		ModelAndViewContainer mavContainer, NativeWebRequest webRequest) throws Exception {

	mavContainer.setRequestHandled(true);

	Assert.state(returnValue instanceof HttpHeaders, "HttpHeaders expected");
	HttpHeaders headers = (HttpHeaders) returnValue;

	if (!headers.isEmpty()) {
		HttpServletResponse servletResponse = webRequest.getNativeResponse(HttpServletResponse.class);
		Assert.state(servletResponse != null, "No HttpServletResponse");
		ServletServerHttpResponse outputMessage = new ServletServerHttpResponse(servletResponse);
		outputMessage.getHeaders().putAll(headers);
		outputMessage.getBody();  // flush headers
	}
}
 

@Override
@SuppressWarnings("resource")
public void handleReturnValue(Object returnValue, MethodParameter returnType,
		ModelAndViewContainer mavContainer, NativeWebRequest webRequest) throws Exception {

	mavContainer.setRequestHandled(true);

	Assert.state(returnValue instanceof HttpHeaders, "HttpHeaders expected");
	HttpHeaders headers = (HttpHeaders) returnValue;

	if (!headers.isEmpty()) {
		HttpServletResponse servletResponse = webRequest.getNativeResponse(HttpServletResponse.class);
		ServletServerHttpResponse outputMessage = new ServletServerHttpResponse(servletResponse);
		outputMessage.getHeaders().putAll(headers);
		outputMessage.getBody();  // flush headers
	}
}
 

@Override
@SuppressWarnings("resource")
public void handleReturnValue(Object returnValue, MethodParameter returnType,
		ModelAndViewContainer mavContainer, NativeWebRequest webRequest) throws Exception {

	mavContainer.setRequestHandled(true);

	Assert.isInstanceOf(HttpHeaders.class, returnValue);
	HttpHeaders headers = (HttpHeaders) returnValue;

	if (!headers.isEmpty()) {
		HttpServletResponse servletResponse = webRequest.getNativeResponse(HttpServletResponse.class);
		ServletServerHttpResponse outputMessage = new ServletServerHttpResponse(servletResponse);
		outputMessage.getHeaders().putAll(headers);
		outputMessage.getBody(); // flush headers
	}
}
 

@Override
public void handleReturnValue(Object returnValue, MethodParameter returnType, ModelAndViewContainer mavContainer, NativeWebRequest webRequest) throws Exception {
    Properties properties = (Properties) returnValue;

    ServletWebRequest servletWebRequest = (ServletWebRequest) webRequest;

    HttpServletResponse response = servletWebRequest.getResponse();
    ServletServerHttpResponse servletServerHttpResponse = new ServletServerHttpResponse(response);

    // 获取请求头
    HttpHeaders headers = servletServerHttpResponse.getHeaders();

    MediaType contentType = headers.getContentType();
    // 获取编码
    Charset charset = null;
    if (contentType != null) {
        charset = contentType.getCharset();
    }

    charset = charset == null ? Charset.forName("UTF-8") : charset;

    // 获取请求体
    OutputStream body = servletServerHttpResponse.getBody();
    OutputStreamWriter outputStreamWriter = new OutputStreamWriter(body, charset);

    properties.store(outputStreamWriter, "Serialized by PropertiesHandlerMethodReturnValueHandler#handleReturnValue");

    // 告诉 Spring MVC 请求已经处理完毕
    mavContainer.setRequestHandled(true);
}
 

@Override
public void handleReturnValue(Object returnValue, MethodParameter returnType,
                              ModelAndViewContainer mavContainer, NativeWebRequest webRequest) throws Exception {
    // @WxAsyncMessage声明的Handler恒为null，这里提供支持
    if (returnValue != null) {
        handlReturnValueInternal(returnValue);
    }
    mavContainer.setRequestHandled(true);
    HttpServletResponse servletResponse = webRequest.getNativeResponse(HttpServletResponse.class);
    ServletServerHttpResponse outputMessage = new ServletServerHttpResponse(servletResponse);
    outputMessage.getBody();


}
 

@Override
public void handleReturnValue(Object returnValue, MethodParameter returnType, ModelAndViewContainer mavContainer, NativeWebRequest webRequest) throws Exception {
    if (returnType.hasMethodAnnotation(WxAsyncMessage.class)) {
        wxAsyncMessageTemplate.send(WxWebUtils.getWxMessageParameter(), returnValue);
    } else {
        wxMessageTemplate.sendMessage(WxWebUtils.getWxMessageParameter(), returnValue);
    }
    HttpServletResponse servletResponse = webRequest.getNativeResponse(HttpServletResponse.class);
    ServletServerHttpResponse outputMessage = new ServletServerHttpResponse(servletResponse);
    mavContainer.setRequestHandled(true);
    outputMessage.getBody();
}
 

@Override
public void handleReturnValue(Object returnValue, MethodParameter returnType, ModelAndViewContainer mavContainer, NativeWebRequest webRequest) throws Exception {
    HttpServletResponse servletResponse = webRequest.getNativeResponse(HttpServletResponse.class);
    ServletServerHttpResponse outputMessage = new ServletServerHttpResponse(servletResponse);
    if (WxMessageUtils.supportsXmlResponse(returnType.getParameterType()) && returnValue != null) {
        wxXmlMessageConverter.write(returnValue, MediaType.TEXT_XML, outputMessage);
    } else {
        wxAsyncMessageTemplate.send(WxWebUtils.getWxMessageParameter(), returnValue);
    }
    mavContainer.setRequestHandled(true);
    outputMessage.getBody();
}