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@ -22,6 +22,8 @@ import java.util.Map; |
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import reactor.core.converter.DependencyUtils; |
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import org.springframework.beans.BeanUtils; |
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import org.springframework.beans.factory.BeanInitializationException; |
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import org.springframework.context.ApplicationContext; |
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import org.springframework.context.ApplicationContextAware; |
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import org.springframework.context.annotation.Bean; |
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@ -48,6 +50,8 @@ import org.springframework.http.converter.reactive.CodecHttpMessageConverter; |
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import org.springframework.http.converter.reactive.HttpMessageConverter; |
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import org.springframework.http.converter.reactive.ResourceHttpMessageConverter; |
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import org.springframework.util.ClassUtils; |
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import org.springframework.validation.Errors; |
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import org.springframework.validation.Validator; |
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import org.springframework.web.reactive.accept.RequestedContentTypeResolver; |
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import org.springframework.web.reactive.accept.RequestedContentTypeResolverBuilder; |
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import org.springframework.web.reactive.result.SimpleHandlerAdapter; |
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@ -185,6 +189,7 @@ public class WebReactiveConfiguration implements ApplicationContextAware { |
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adapter.setMessageConverters(getMessageConverters()); |
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adapter.setConversionService(mvcConversionService()); |
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adapter.setValidator(mvcValidator()); |
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return adapter; |
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} |
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@ -284,6 +289,46 @@ public class WebReactiveConfiguration implements ApplicationContextAware { |
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} |
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} |
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/** |
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* Return a global {@link Validator} instance for example for validating |
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* {@code @RequestBody} method arguments. |
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* <p>Delegates to {@link #getValidator()} first. If that returns {@code null} |
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* checks the classpath for the presence of a JSR-303 implementations |
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* before creating a {@code OptionalValidatorFactoryBean}. If a JSR-303 |
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* implementation is not available, a "no-op" {@link Validator} is returned. |
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*/ |
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@Bean |
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public Validator mvcValidator() { |
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Validator validator = getValidator(); |
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if (validator == null) { |
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if (ClassUtils.isPresent("javax.validation.Validator", getClass().getClassLoader())) { |
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Class<?> clazz; |
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try { |
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String name = "org.springframework.validation.beanvalidation.OptionalValidatorFactoryBean"; |
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clazz = ClassUtils.forName(name, classLoader); |
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} |
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catch (ClassNotFoundException ex) { |
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throw new BeanInitializationException("Could not find default validator class", ex); |
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} |
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catch (LinkageError ex) { |
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throw new BeanInitializationException("Could not load default validator class", ex); |
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} |
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validator = (Validator) BeanUtils.instantiate(clazz); |
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} |
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else { |
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validator = new NoOpValidator(); |
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} |
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} |
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return validator; |
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} |
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/** |
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* Override this method to provide a custom {@link Validator}. |
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*/ |
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protected Validator getValidator() { |
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return null; |
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} |
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@Bean |
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public SimpleHandlerAdapter simpleHandlerAdapter() { |
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return new SimpleHandlerAdapter(); |
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@ -317,4 +362,17 @@ public class WebReactiveConfiguration implements ApplicationContextAware { |
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protected void configureViewResolvers(ViewResolverRegistry registry) { |
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} |
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private static final class NoOpValidator implements Validator { |
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@Override |
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public boolean supports(Class<?> clazz) { |
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return false; |
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} |
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@Override |
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public void validate(Object target, Errors errors) { |
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} |
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} |
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} |
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