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Copyright [2020] [https://www.xiaonuo.vip] |
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Licensed under the Apache License, Version 2.0 (the "License"); |
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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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http://www.apache.org/licenses/LICENSE-2.0 |
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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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Snowy采用APACHE LICENSE 2.0开源协议,您在使用过程中,需要注意以下几点: |
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1.请不要删除和修改根目录下的LICENSE文件。 |
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2.请不要删除和修改Snowy源码头部的版权声明。 |
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3.请保留源码和相关描述文件的项目出处,作者声明等。 |
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4.分发源码时候,请注明软件出处 https://gitee.com/xiaonuobase/snowy |
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5.在修改包名,模块名称,项目代码等时,请注明软件出处 https://gitee.com/xiaonuobase/snowy |
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6.若您的项目无法满足以上几点,可申请商业授权,获取Snowy商业授权许可,请在官网购买授权,地址为 https://www.xiaonuo.vip |
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*/ |
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package vip.xiaonuo.core.web; |
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import org.springframework.core.Conventions; |
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import org.springframework.core.MethodParameter; |
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import org.springframework.http.converter.HttpMessageConverter; |
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import org.springframework.lang.Nullable; |
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import org.springframework.validation.BindingResult; |
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import org.springframework.web.bind.MethodArgumentNotValidException; |
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import org.springframework.web.bind.WebDataBinder; |
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import org.springframework.web.bind.support.WebDataBinderFactory; |
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import org.springframework.web.context.request.NativeWebRequest; |
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import org.springframework.web.method.support.ModelAndViewContainer; |
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import org.springframework.web.servlet.mvc.method.annotation.RequestResponseBodyMethodProcessor; |
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import vip.xiaonuo.core.context.param.RequestParamContext; |
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import java.util.List; |
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/** |
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* 拓展原有RequestResponseBodyMethodProcessor,只为缓存临时参数 |
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* |
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* @author xuyuxiang |
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* @date 2020/8/21 20:51 |
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*/ |
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public class SnowyRequestResponseBodyMethodProcessor extends RequestResponseBodyMethodProcessor { |
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public SnowyRequestResponseBodyMethodProcessor(List<HttpMessageConverter<?>> converters) { |
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super(converters); |
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} |
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@Override |
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public Object resolveArgument(MethodParameter parameter, @Nullable ModelAndViewContainer mavContainer, |
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NativeWebRequest webRequest, @Nullable WebDataBinderFactory binderFactory) throws Exception { |
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parameter = parameter.nestedIfOptional(); |
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Object arg = readWithMessageConverters(webRequest, parameter, parameter.getNestedGenericParameterType()); |
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// 临时缓存一下@RequestBody注解上的参数 |
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RequestParamContext.setObject(arg); |
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String name = Conventions.getVariableNameForParameter(parameter); |
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if (binderFactory != null) { |
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WebDataBinder binder = binderFactory.createBinder(webRequest, arg, name); |
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if (arg != null) { |
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validateIfApplicable(binder, parameter); |
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if (binder.getBindingResult().hasErrors() && isBindExceptionRequired(binder, parameter)) { |
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throw new MethodArgumentNotValidException(parameter, binder.getBindingResult()); |
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} |
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} |
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if (mavContainer != null) { |
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mavContainer.addAttribute(BindingResult.MODEL_KEY_PREFIX + name, binder.getBindingResult()); |
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} |
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} |
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return adaptArgumentIfNecessary(arg, parameter); |
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} |
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} |