101 lines
4.2 KiB
Java
101 lines
4.2 KiB
Java
/**
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* Copyright (c) 2018-2028, DreamLu 卢春梦 (qq596392912@gmail.com).
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* <p>
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* Licensed under the GNU LESSER GENERAL PUBLIC LICENSE 3.0;
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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* <p>
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* http://www.gnu.org/licenses/lgpl.html
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* <p>
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.springblade.core.cloud.version;
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import feign.MethodMetadata;
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import org.springblade.core.cloud.annotation.ApiVersion;
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import org.springblade.core.cloud.annotation.UrlVersion;
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import org.springblade.core.tool.utils.StringPool;
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import org.springblade.core.tool.utils.StringUtil;
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import org.springframework.cloud.openfeign.AnnotatedParameterProcessor;
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import org.springframework.cloud.openfeign.support.SpringMvcContract;
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import org.springframework.core.annotation.AnnotatedElementUtils;
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import org.springframework.core.convert.ConversionService;
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import org.springframework.http.HttpHeaders;
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import org.springframework.web.bind.annotation.RequestBody;
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import org.springframework.web.bind.annotation.RequestMapping;
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import java.lang.annotation.Annotation;
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import java.lang.reflect.Method;
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import java.util.List;
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/**
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* 支持 blade-boot 的 版本 处理
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*
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* @see org.springblade.core.cloud.annotation.UrlVersion
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* @see org.springblade.core.cloud.annotation.ApiVersion
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* @author L.cm
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*/
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public class BladeSpringMvcContract extends SpringMvcContract {
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public BladeSpringMvcContract(List<AnnotatedParameterProcessor> annotatedParameterProcessors, ConversionService conversionService) {
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super(annotatedParameterProcessors, conversionService);
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}
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@Override
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protected void processAnnotationOnMethod(MethodMetadata data, Annotation methodAnnotation, Method method) {
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if (RequestMapping.class.isInstance(methodAnnotation) || methodAnnotation.annotationType().isAnnotationPresent(RequestMapping.class)) {
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Class<?> targetType = method.getDeclaringClass();
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// url 上的版本，优先获取方法上的版本
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UrlVersion urlVersion = AnnotatedElementUtils.findMergedAnnotation(method, UrlVersion.class);
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// 再次尝试类上的版本
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if (urlVersion == null || StringUtil.isBlank(urlVersion.value())) {
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urlVersion = AnnotatedElementUtils.findMergedAnnotation(targetType, UrlVersion.class);
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}
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if (urlVersion != null && StringUtil.isNotBlank(urlVersion.value())) {
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String versionUrl = "/" + urlVersion.value();
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data.template().uri(versionUrl);
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}
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// 注意：在父类之前 添加 url版本，在父类之后，处理 Media Types 版本
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super.processAnnotationOnMethod(data, methodAnnotation, method);
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// 处理 Media Types 版本信息
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ApiVersion apiVersion = AnnotatedElementUtils.findMergedAnnotation(method, ApiVersion.class);
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// 再次尝试类上的版本
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if (apiVersion == null || StringUtil.isBlank(apiVersion.value())) {
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apiVersion = AnnotatedElementUtils.findMergedAnnotation(targetType, ApiVersion.class);
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}
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if (apiVersion != null && StringUtil.isNotBlank(apiVersion.value())) {
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BladeMediaType BladeMediaType = new BladeMediaType(apiVersion.value());
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data.template().header(HttpHeaders.ACCEPT, BladeMediaType.toString());
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}
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}
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}
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/**
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* 参考：https://gist.github.com/rmfish/0ed59a9af6c05157be2a60c9acea2a10
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* @param annotations 注解
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* @param paramIndex 参数索引
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* @return 是否 http 注解
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*/
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@Override
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protected boolean processAnnotationsOnParameter(MethodMetadata data, Annotation[] annotations, int paramIndex) {
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boolean httpAnnotation = super.processAnnotationsOnParameter(data, annotations, paramIndex);
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// 在 springMvc 中如果是 Get 请求且参数中是对象 没有声明为@RequestBody 则默认为 Param
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if (!httpAnnotation && StringPool.GET.equals(data.template().method().toUpperCase())) {
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for (Annotation parameterAnnotation : annotations) {
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if (!(parameterAnnotation instanceof RequestBody)) {
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return false;
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}
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}
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data.queryMapIndex(paramIndex);
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return true;
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}
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return httpAnnotation;
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}
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}
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