106 lines
3.9 KiB
Java
106 lines
3.9 KiB
Java
/**
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*
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*/
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package de.bstly.board.controller.support;
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import java.io.IOException;
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import java.lang.reflect.Type;
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import org.springframework.core.MethodParameter;
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import org.springframework.http.HttpHeaders;
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import org.springframework.http.HttpInputMessage;
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import org.springframework.http.MediaType;
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import org.springframework.http.converter.HttpMessageConverter;
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import org.springframework.http.converter.StringHttpMessageConverter;
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import org.springframework.http.server.ServerHttpRequest;
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import org.springframework.http.server.ServerHttpResponse;
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import org.springframework.web.bind.annotation.ControllerAdvice;
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import org.springframework.web.servlet.mvc.method.annotation.RequestBodyAdvice;
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import org.springframework.web.servlet.mvc.method.annotation.ResponseBodyAdvice;
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import com.google.gson.Gson;
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import com.google.gson.JsonPrimitive;
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/**
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* The Class JsonStringBodyControllerAdvice.
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*/
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@ControllerAdvice
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public class JsonStringBodyControllerAdvice implements RequestBodyAdvice, ResponseBodyAdvice<String> {
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private Gson gson = new Gson();
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/*
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* @see org.springframework.web.servlet.mvc.method.annotation.RequestBodyAdvice#
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* supports(org.springframework.core.MethodParameter, java.lang.reflect.Type,
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* java.lang.Class)
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*/
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@Override
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public boolean supports(MethodParameter methodParameter, Type targetType,
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Class<? extends HttpMessageConverter<?>> converterType) {
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return targetType instanceof Class && String.class.equals((Class<?>) targetType);
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}
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/*
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* @see org.springframework.web.servlet.mvc.method.annotation.RequestBodyAdvice#
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* beforeBodyRead(org.springframework.http.HttpInputMessage,
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* org.springframework.core.MethodParameter, java.lang.reflect.Type,
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* java.lang.Class)
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*/
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@Override
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public HttpInputMessage beforeBodyRead(HttpInputMessage inputMessage, MethodParameter parameter, Type targetType,
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Class<? extends HttpMessageConverter<?>> converterType) throws IOException {
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return inputMessage;
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}
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/*
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* @see org.springframework.web.servlet.mvc.method.annotation.RequestBodyAdvice#
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* afterBodyRead(java.lang.Object, org.springframework.http.HttpInputMessage,
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* org.springframework.core.MethodParameter, java.lang.reflect.Type,
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* java.lang.Class)
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*/
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@Override
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public Object afterBodyRead(Object body, HttpInputMessage inputMessage, MethodParameter parameter, Type targetType,
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Class<? extends HttpMessageConverter<?>> converterType) {
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body = ((String) body).replaceAll("^\"|\"$", "");
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return body;
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}
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/*
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* @see org.springframework.web.servlet.mvc.method.annotation.RequestBodyAdvice#
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* handleEmptyBody(java.lang.Object, org.springframework.http.HttpInputMessage,
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* org.springframework.core.MethodParameter, java.lang.reflect.Type,
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* java.lang.Class)
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*/
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@Override
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public Object handleEmptyBody(Object body, HttpInputMessage inputMessage, MethodParameter parameter,
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Type targetType, Class<? extends HttpMessageConverter<?>> converterType) {
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return body;
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}
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/*
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* @see
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* org.springframework.web.servlet.mvc.method.annotation.ResponseBodyAdvice#
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* supports(org.springframework.core.MethodParameter, java.lang.Class)
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*/
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@Override
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public boolean supports(MethodParameter returnType, Class<? extends HttpMessageConverter<?>> converterType) {
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return converterType == StringHttpMessageConverter.class;
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}
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/*
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* @see
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* org.springframework.web.servlet.mvc.method.annotation.ResponseBodyAdvice#
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* beforeBodyWrite(java.lang.Object, org.springframework.core.MethodParameter,
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* org.springframework.http.MediaType, java.lang.Class,
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* org.springframework.http.server.ServerHttpRequest,
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* org.springframework.http.server.ServerHttpResponse)
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*/
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@Override
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public String beforeBodyWrite(String body, MethodParameter returnType, MediaType selectedContentType,
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Class<? extends HttpMessageConverter<?>> selectedConverterType, ServerHttpRequest request,
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ServerHttpResponse response) {
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response.getHeaders().set(HttpHeaders.CONTENT_TYPE, MediaType.APPLICATION_JSON_VALUE);
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return gson.toJson(new JsonPrimitive(body));
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}
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} |