com.github.jonpeterson.spring.mvc.versioning.VersionedModelResponseBodyAdvice Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of spring-webmvc-model-versioning Show documentation
Show all versions of spring-webmvc-model-versioning Show documentation
Spring MVC binding for using Jackson Model Versioning Module.
The newest version!
/*
* The MIT License (MIT)
*
* Copyright (c) 2016 Jon Peterson
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
package com.github.jonpeterson.spring.mvc.versioning;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.introspect.AnnotatedMember;
import com.fasterxml.jackson.databind.introspect.BeanPropertyDefinition;
import com.github.jonpeterson.jackson.module.versioning.JsonSerializeToVersion;
import org.springframework.core.MethodParameter;
import org.springframework.http.MediaType;
import org.springframework.http.server.ServerHttpRequest;
import org.springframework.http.server.ServerHttpResponse;
import org.springframework.web.bind.annotation.ControllerAdvice;
import org.springframework.web.servlet.mvc.method.annotation.ResponseBodyAdvice;
import org.springframework.web.util.UriComponentsBuilder;
import java.util.List;
@ControllerAdvice
public class VersionedModelResponseBodyAdvice implements ResponseBodyAdvice {
private static final ObjectMapper mapper = new ObjectMapper();
@Override
public boolean supports(MethodParameter returnType, Class converterType) {
return returnType.getMethodAnnotation(VersionedResponseBody.class) != null;
}
@Override
public Object beforeBodyWrite(Object body, MethodParameter returnType, MediaType selectedContentType, Class selectedConverterType, ServerHttpRequest request, ServerHttpResponse response) {
VersionedResponseBody versionedResponseBody = returnType.getMethodAnnotation(VersionedResponseBody.class);
String targetVersion = null;
String queryParamName = versionedResponseBody.queryParamName();
if(!queryParamName.isEmpty()) {
List queryParamValues = UriComponentsBuilder.fromUri(request.getURI()).build().getQueryParams().get(queryParamName);
if(queryParamValues != null && !queryParamValues.isEmpty())
targetVersion = queryParamValues.get(0);
}
if(targetVersion == null) {
String headerName = versionedResponseBody.headerName();
if(!headerName.isEmpty()) {
List headerValues = request.getHeaders().get(headerName);
if(headerValues != null && !headerValues.isEmpty())
targetVersion = headerValues.get(0);
}
}
if(targetVersion == null)
targetVersion = versionedResponseBody.defaultVersion();
try {
boolean serializeToSet = false;
for(BeanPropertyDefinition beanPropertyDefinition: mapper.getSerializationConfig().introspect(mapper.getTypeFactory().constructType(body.getClass())).findProperties()) {
AnnotatedMember field = beanPropertyDefinition.getField();
AnnotatedMember setter = beanPropertyDefinition.getSetter();
if((field != null && field.hasAnnotation(JsonSerializeToVersion.class)) || (setter != null && setter.hasAnnotation(JsonSerializeToVersion.class))) {
if(setter != null)
setter.setValue(body, targetVersion);
else
field.setValue(body, targetVersion);
serializeToSet = true;
}
}
if(!serializeToSet)
throw new RuntimeException("no @" + JsonSerializeToVersion.class.getSimpleName() + " annotation found on String field or setter method in " + body.getClass() + "; this is a requirement when using @" + VersionedResponseBody.class.getSimpleName());
} catch(Exception e) {
throw new RuntimeException("unable to set the version of the response body model", e);
}
return body;
}
}
© 2015 - 2025 Weber Informatics LLC | Privacy Policy