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Polish "Use MessageSource to interpolate bean validation messages"
See gh-17530
This commit is contained in:
parent
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commit
621844abda
@ -1,5 +1,5 @@
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/*
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* Copyright 2012-2020 the original author or authors.
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* Copyright 2012-2021 the original author or authors.
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*
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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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@ -57,8 +57,7 @@ public class ValidationAutoConfiguration {
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@ConditionalOnMissingBean(Validator.class)
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public static LocalValidatorFactoryBean defaultValidator(ApplicationContext applicationContext) {
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LocalValidatorFactoryBean factoryBean = new LocalValidatorFactoryBean();
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MessageInterpolatorFactory interpolatorFactory = new MessageInterpolatorFactory();
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interpolatorFactory.setMessageSource(applicationContext);
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MessageInterpolatorFactory interpolatorFactory = new MessageInterpolatorFactory(applicationContext);
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factoryBean.setMessageInterpolator(interpolatorFactory.getObject());
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return factoryBean;
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}
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@ -1,5 +1,5 @@
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/*
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* Copyright 2012-2019 the original author or authors.
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* Copyright 2012-2021 the original author or authors.
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*
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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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@ -25,6 +25,7 @@ import org.springframework.beans.factory.NoSuchBeanDefinitionException;
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import org.springframework.boot.validation.MessageInterpolatorFactory;
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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.MessageSource;
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import org.springframework.validation.Errors;
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import org.springframework.validation.SmartValidator;
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import org.springframework.validation.Validator;
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@ -130,11 +131,10 @@ public class ValidatorAdapter implements SmartValidator, ApplicationContextAware
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}
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}
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private static Validator create(ApplicationContext applicationContext) {
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private static Validator create(MessageSource messageSource) {
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OptionalValidatorFactoryBean validator = new OptionalValidatorFactoryBean();
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try {
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MessageInterpolatorFactory factory = new MessageInterpolatorFactory();
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factory.setMessageSource(applicationContext);
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MessageInterpolatorFactory factory = new MessageInterpolatorFactory(messageSource);
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validator.setMessageInterpolator(factory.getObject());
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}
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catch (ValidationException ex) {
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@ -10,3 +10,7 @@ For instance, the following service triggers the validation of the first argumen
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----
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include::{docs-java}/features/validation/MyBean.java[]
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----
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The application's `MessageSource` is used when resolving +`{parameters}`+ in constraint messages.
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This allows you to use <<features.adoc#features.internationalization,your application's `messages.properties` files>> for Bean Validation messages.
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Once the parameters have been resolved, message interpolation is completed using Bean Validation's default interpolator.
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@ -1,5 +1,5 @@
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/*
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* Copyright 2012-2019 the original author or authors.
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* Copyright 2012-2021 the original author or authors.
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*
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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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@ -65,9 +65,7 @@ final class ConfigurationPropertiesJsr303Validator implements Validator {
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Delegate(ApplicationContext applicationContext) {
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setApplicationContext(applicationContext);
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MessageInterpolatorFactory factory = new MessageInterpolatorFactory();
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factory.setMessageSource(applicationContext);
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setMessageInterpolator(factory.getObject());
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setMessageInterpolator(new MessageInterpolatorFactory(applicationContext).getObject());
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afterPropertiesSet();
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}
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@ -1,5 +1,5 @@
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/*
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* Copyright 2012-2019 the original author or authors.
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* Copyright 2012-2021 the original author or authors.
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*
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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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@ -28,7 +28,6 @@ import org.springframework.beans.BeanUtils;
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import org.springframework.beans.BeansException;
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import org.springframework.beans.factory.ObjectFactory;
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import org.springframework.context.MessageSource;
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import org.springframework.context.MessageSourceAware;
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import org.springframework.util.ClassUtils;
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/**
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@ -39,7 +38,7 @@ import org.springframework.util.ClassUtils;
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* @author Phillip Webb
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* @since 1.5.0
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*/
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public class MessageInterpolatorFactory implements ObjectFactory<MessageInterpolator>, MessageSourceAware {
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public class MessageInterpolatorFactory implements ObjectFactory<MessageInterpolator> {
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private static final Set<String> FALLBACKS;
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@ -49,25 +48,28 @@ public class MessageInterpolatorFactory implements ObjectFactory<MessageInterpol
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FALLBACKS = Collections.unmodifiableSet(fallbacks);
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}
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private MessageSource messageSource;
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private final MessageSource messageSource;
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public MessageInterpolatorFactory() {
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this(null);
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}
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/**
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* Sets the {@link MessageSource} used to create
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* {@link MessageSourceInterpolatorDelegate}.
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* @param messageSource the message source that resolves any message parameters before
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* final interpolation
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* Creates a new {@link MessageInterpolatorFactory} that will produce a
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* {@link MessageInterpolator} that uses the given {@code messageSource} to resolve
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* any message parameters before final interpolation.
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* @param messageSource message source to be used by the interpolator
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* @since 2.6.0
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*/
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@Override
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public void setMessageSource(MessageSource messageSource) {
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public MessageInterpolatorFactory(MessageSource messageSource) {
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this.messageSource = messageSource;
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}
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@Override
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public MessageInterpolator getObject() throws BeansException {
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MessageInterpolator messageInterpolator = getMessageInterpolator();
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MessageSource messageSource = this.messageSource;
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if (messageSource != null) {
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return new MessageSourceInterpolatorDelegate(messageSource, messageInterpolator);
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if (this.messageSource != null) {
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return new MessageSourceMessageInterpolator(this.messageSource, messageInterpolator);
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}
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return messageInterpolator;
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}
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@ -1,105 +0,0 @@
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/*
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* Copyright 2012-2019 the original author or authors.
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*
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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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*
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* https://www.apache.org/licenses/LICENSE-2.0
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*
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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.springframework.boot.validation;
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import java.util.LinkedHashSet;
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import java.util.Set;
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import java.util.function.Function;
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/**
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* Utility class to extract message parameters ({@code {param}}) from the message. These
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* parameters can be substituted for supplied values.
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*
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* @author Dmytro Nosan
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*/
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final class MessageParameterPlaceholderHelper {
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private static final char PREFIX = '{';
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private static final char SUFFIX = '}';
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private static final char ESCAPE = '\\';
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/**
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* Replaces all message parameters using the given {@code parameterResolver}.
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* <p>
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* If returned value has other message parameters, they will be replaced recursively
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* until no replacement is performed;
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* <p>
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* Resolver can return {@code null} to signal that no further actions need to be done
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* and replacement should be omitted;
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* <p>
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* The message parameter can be escaped by the {@code '\'} symbol;
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* @param message the value containing the parameters to be replaced
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* @param parameterResolver the {@code parameterResolver} to use for replacement
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* @return the replaced message
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*/
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String replaceParameters(String message, Function<String, String> parameterResolver) {
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return replaceParameters(message, parameterResolver, new LinkedHashSet<>(4));
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}
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private static String replaceParameters(String message, Function<String, String> parameterResolver,
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Set<String> visitedParameters) {
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StringBuilder buf = new StringBuilder(message);
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int parentheses = 0;
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int startIndex = -1;
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int endIndex = -1;
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for (int i = 0; i < buf.length(); i++) {
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if (buf.charAt(i) == ESCAPE) {
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i++;
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}
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else if (buf.charAt(i) == PREFIX) {
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if (startIndex == -1) {
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startIndex = i;
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}
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parentheses++;
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}
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else if (buf.charAt(i) == SUFFIX) {
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if (parentheses > 0) {
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parentheses--;
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}
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endIndex = i;
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}
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if (parentheses == 0 && startIndex < endIndex) {
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String parameter = buf.substring(startIndex + 1, endIndex);
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if (!visitedParameters.add(parameter)) {
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throw new IllegalArgumentException("Circular reference '{" + parameter + "}'");
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}
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String value = replaceParameter(parameter, parameterResolver, visitedParameters);
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if (value != null) {
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buf.replace(startIndex, endIndex + 1, value);
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i = startIndex + value.length() - 1;
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}
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visitedParameters.remove(parameter);
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startIndex = -1;
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endIndex = -1;
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}
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}
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return buf.toString();
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}
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private static String replaceParameter(String parameter, Function<String, String> parameterResolver,
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Set<String> visitedParameters) {
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parameter = replaceParameters(parameter, parameterResolver, visitedParameters);
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String value = parameterResolver.apply(parameter);
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if (value != null) {
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return replaceParameters(value, parameterResolver, visitedParameters);
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}
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return null;
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}
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}
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@ -1,57 +0,0 @@
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/*
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* Copyright 2012-2019 the original author or authors.
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*
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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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*
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* https://www.apache.org/licenses/LICENSE-2.0
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*
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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.springframework.boot.validation;
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import java.util.Locale;
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import javax.validation.MessageInterpolator;
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import org.springframework.context.MessageSource;
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import org.springframework.context.i18n.LocaleContextHolder;
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/**
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* Resolves any message parameters via {@link MessageSource} and then interpolates a
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* message using the underlying {@link MessageInterpolator}.
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*
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* @author Dmytro Nosan
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*/
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class MessageSourceInterpolatorDelegate implements MessageInterpolator {
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private static final MessageParameterPlaceholderHelper helper = new MessageParameterPlaceholderHelper();
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private final MessageSource messageSource;
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private final MessageInterpolator messageInterpolator;
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MessageSourceInterpolatorDelegate(MessageSource messageSource, MessageInterpolator messageInterpolator) {
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this.messageSource = messageSource;
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this.messageInterpolator = messageInterpolator;
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}
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@Override
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public String interpolate(String messageTemplate, Context context) {
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return interpolate(messageTemplate, context, LocaleContextHolder.getLocale());
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}
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@Override
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public String interpolate(String messageTemplate, Context context, Locale locale) {
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String message = helper.replaceParameters(messageTemplate,
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(parameter) -> this.messageSource.getMessage(parameter, null, null, locale));
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return this.messageInterpolator.interpolate(message, context, locale);
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}
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}
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@ -0,0 +1,121 @@
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/*
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* Copyright 2012-2021 the original author or authors.
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*
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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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*
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* https://www.apache.org/licenses/LICENSE-2.0
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*
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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.springframework.boot.validation;
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import java.util.LinkedHashSet;
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import java.util.Locale;
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import java.util.Set;
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import javax.validation.MessageInterpolator;
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import org.springframework.context.MessageSource;
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import org.springframework.context.i18n.LocaleContextHolder;
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/**
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* Resolves any message parameters via {@link MessageSource} and then interpolates a
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* message using the underlying {@link MessageInterpolator}.
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*
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* @author Dmytro Nosan
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*/
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class MessageSourceMessageInterpolator implements MessageInterpolator {
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private static final char PREFIX = '{';
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private static final char SUFFIX = '}';
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private static final char ESCAPE = '\\';
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private final MessageSource messageSource;
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private final MessageInterpolator messageInterpolator;
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MessageSourceMessageInterpolator(MessageSource messageSource, MessageInterpolator messageInterpolator) {
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this.messageSource = messageSource;
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this.messageInterpolator = messageInterpolator;
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}
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@Override
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public String interpolate(String messageTemplate, Context context) {
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return interpolate(messageTemplate, context, LocaleContextHolder.getLocale());
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}
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@Override
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public String interpolate(String messageTemplate, Context context, Locale locale) {
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String message = replaceParameters(messageTemplate, locale);
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return this.messageInterpolator.interpolate(message, context, locale);
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}
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/**
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* Recursively replaces all message parameters.
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* <p>
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* The message parameter prefix <code>{</code> and suffix <code>}</code> can
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* be escaped using {@code \}, e.g. <code>\{escaped\}</code>.
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* @param message the message containing the parameters to be replaced
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* @param locale the locale to use when resolving replacements
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* @return the message with parameters replaced
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*/
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private String replaceParameters(String message, Locale locale) {
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return replaceParameters(message, locale, new LinkedHashSet<>(4));
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}
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private String replaceParameters(String message, Locale locale, Set<String> visitedParameters) {
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StringBuilder buf = new StringBuilder(message);
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int parentheses = 0;
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int startIndex = -1;
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int endIndex = -1;
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for (int i = 0; i < buf.length(); i++) {
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if (buf.charAt(i) == ESCAPE) {
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i++;
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}
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else if (buf.charAt(i) == PREFIX) {
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if (startIndex == -1) {
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startIndex = i;
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}
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parentheses++;
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}
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else if (buf.charAt(i) == SUFFIX) {
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if (parentheses > 0) {
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parentheses--;
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}
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endIndex = i;
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}
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if (parentheses == 0 && startIndex < endIndex) {
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String parameter = buf.substring(startIndex + 1, endIndex);
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if (!visitedParameters.add(parameter)) {
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throw new IllegalArgumentException("Circular reference '{" + String.join(" -> ", visitedParameters)
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+ " -> " + parameter + "}'");
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}
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String value = replaceParameter(parameter, locale, visitedParameters);
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if (value != null) {
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buf.replace(startIndex, endIndex + 1, value);
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i = startIndex + value.length() - 1;
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}
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visitedParameters.remove(parameter);
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startIndex = -1;
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endIndex = -1;
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}
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}
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return buf.toString();
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}
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private String replaceParameter(String parameter, Locale locale, Set<String> visitedParameters) {
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parameter = replaceParameters(parameter, locale, visitedParameters);
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String value = this.messageSource.getMessage(parameter, null, null, locale);
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return (value != null) ? replaceParameters(value, locale, visitedParameters) : null;
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}
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}
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@ -1,5 +1,5 @@
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/*
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* Copyright 2012-2019 the original author or authors.
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* Copyright 2012-2021 the original author or authors.
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*
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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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@ -42,11 +42,10 @@ class MessageInterpolatorFactoryTests {
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@Test
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void getObjectShouldReturnMessageSourceMessageInterpolatorDelegateWithResourceBundleMessageInterpolator() {
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MessageInterpolatorFactory interpolatorFactory = new MessageInterpolatorFactory();
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MessageSource messageSource = mock(MessageSource.class);
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interpolatorFactory.setMessageSource(messageSource);
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MessageInterpolatorFactory interpolatorFactory = new MessageInterpolatorFactory(messageSource);
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MessageInterpolator interpolator = interpolatorFactory.getObject();
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assertThat(interpolator).isInstanceOf(MessageSourceInterpolatorDelegate.class);
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assertThat(interpolator).isInstanceOf(MessageSourceMessageInterpolator.class);
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assertThat(interpolator).hasFieldOrPropertyWithValue("messageSource", messageSource);
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assertThat(ReflectionTestUtils.getField(interpolator, "messageInterpolator"))
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.isInstanceOf(ResourceBundleMessageInterpolator.class);
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@ -1,5 +1,5 @@
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/*
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* Copyright 2012-2019 the original author or authors.
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* Copyright 2012-2021 the original author or authors.
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*
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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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@ -55,11 +55,10 @@ class MessageInterpolatorFactoryWithoutElIntegrationTests {
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@Test
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void getObjectShouldUseMessageSourceMessageInterpolatorDelegateWithFallback() {
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MessageInterpolatorFactory interpolatorFactory = new MessageInterpolatorFactory();
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MessageSource messageSource = mock(MessageSource.class);
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interpolatorFactory.setMessageSource(messageSource);
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MessageInterpolatorFactory interpolatorFactory = new MessageInterpolatorFactory(messageSource);
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MessageInterpolator interpolator = interpolatorFactory.getObject();
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assertThat(interpolator).isInstanceOf(MessageSourceInterpolatorDelegate.class);
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assertThat(interpolator).isInstanceOf(MessageSourceMessageInterpolator.class);
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assertThat(interpolator).hasFieldOrPropertyWithValue("messageSource", messageSource);
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assertThat(ReflectionTestUtils.getField(interpolator, "messageInterpolator"))
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.isInstanceOf(ParameterMessageInterpolator.class);
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@ -1,100 +0,0 @@
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/*
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* Copyright 2012-2019 the original author or authors.
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*
|
||||
* Licensed under the Apache License, Version 2.0 (the "License");
|
||||
* you may not use this file except in compliance with the License.
|
||||
* You may obtain a copy of the License at
|
||||
*
|
||||
* https://www.apache.org/licenses/LICENSE-2.0
|
||||
*
|
||||
* Unless required by applicable law or agreed to in writing, software
|
||||
* distributed under the License is distributed on an "AS IS" BASIS,
|
||||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
* See the License for the specific language governing permissions and
|
||||
* limitations under the License.
|
||||
*/
|
||||
|
||||
package org.springframework.boot.validation;
|
||||
|
||||
import java.util.LinkedHashMap;
|
||||
import java.util.Map;
|
||||
|
||||
import org.junit.jupiter.api.Test;
|
||||
|
||||
import static org.assertj.core.api.Assertions.assertThat;
|
||||
import static org.assertj.core.api.Assertions.assertThatIllegalArgumentException;
|
||||
|
||||
/**
|
||||
* Tests for {@link MessageParameterPlaceholderHelper}.
|
||||
*
|
||||
* @author Dmytro Nosan
|
||||
*/
|
||||
class MessageParameterPlaceholderHelperTests {
|
||||
|
||||
private final MessageParameterPlaceholderHelper resolver = new MessageParameterPlaceholderHelper();
|
||||
|
||||
@Test
|
||||
void recursionInParameters() {
|
||||
Map<String, String> props = new LinkedHashMap<>();
|
||||
props.put("a", "{b}");
|
||||
props.put("b", "{c}");
|
||||
props.put("c", "{a}");
|
||||
assertThatIllegalArgumentException().isThrownBy(() -> this.resolver.replaceParameters("{a}", props::get))
|
||||
.withMessage("Circular reference '{a}'");
|
||||
}
|
||||
|
||||
@Test
|
||||
void replaceParameters() {
|
||||
Map<String, String> props = new LinkedHashMap<>();
|
||||
props.put("foo", "fooValue");
|
||||
props.put("bar", "");
|
||||
assertThat(this.resolver.replaceParameters("{foo}{bar}", props::get)).isEqualTo("fooValue");
|
||||
}
|
||||
|
||||
@Test
|
||||
void replaceNestedParameters() {
|
||||
Map<String, String> props = new LinkedHashMap<>();
|
||||
props.put("top", "{child}+{child}");
|
||||
props.put("child", "{{differentiator}.grandchild}");
|
||||
props.put("differentiator", "first");
|
||||
props.put("first.grandchild", "actualValue");
|
||||
assertThat(this.resolver.replaceParameters("{top}", props::get)).isEqualTo("actualValue+actualValue");
|
||||
}
|
||||
|
||||
@Test
|
||||
void unresolvedParameters() {
|
||||
Map<String, String> props = new LinkedHashMap<>();
|
||||
props.put("top", "{child}+{child}");
|
||||
assertThat(this.resolver.replaceParameters("{foo}{top}{bar}", props::get))
|
||||
.isEqualTo("{foo}{child}+{child}{bar}");
|
||||
}
|
||||
|
||||
@Test
|
||||
void unbalancedParentheses() {
|
||||
Map<String, String> props = new LinkedHashMap<>();
|
||||
props.put("top", "topValue");
|
||||
assertThat(this.resolver.replaceParameters("\\{top}", props::get)).isEqualTo("\\{top}");
|
||||
assertThat(this.resolver.replaceParameters("{top\\}", props::get)).isEqualTo("{top\\}");
|
||||
assertThat(this.resolver.replaceParameters("{{top}", props::get)).isEqualTo("{{top}");
|
||||
assertThat(this.resolver.replaceParameters("{top}}", props::get)).isEqualTo("topValue}");
|
||||
}
|
||||
|
||||
@Test
|
||||
void resolveEscapeParameters() {
|
||||
Map<String, String> props = new LinkedHashMap<>();
|
||||
props.put("foo", "fooValue");
|
||||
props.put("bar", "\\{foo}");
|
||||
props.put("bazz\\}", "bazzValue");
|
||||
assertThat(this.resolver.replaceParameters("{foo}", props::get)).isEqualTo("fooValue");
|
||||
assertThat(this.resolver.replaceParameters("{foo}\\a", props::get)).isEqualTo("fooValue\\a");
|
||||
assertThat(this.resolver.replaceParameters("\\\\{foo}", props::get)).isEqualTo("\\\\fooValue");
|
||||
assertThat(this.resolver.replaceParameters("\\\\\\{foo}", props::get)).isEqualTo("\\\\\\{foo}");
|
||||
assertThat(this.resolver.replaceParameters("\\{foo}", props::get)).isEqualTo("\\{foo}");
|
||||
assertThat(this.resolver.replaceParameters("{foo\\}", props::get)).isEqualTo("{foo\\}");
|
||||
assertThat(this.resolver.replaceParameters("\\{foo\\}", props::get)).isEqualTo("\\{foo\\}");
|
||||
assertThat(this.resolver.replaceParameters("{foo}\\", props::get)).isEqualTo("fooValue\\");
|
||||
assertThat(this.resolver.replaceParameters("{bar}", props::get)).isEqualTo("\\{foo}");
|
||||
assertThat(this.resolver.replaceParameters("{bazz\\}}", props::get)).isEqualTo("bazzValue");
|
||||
}
|
||||
|
||||
}
|
@ -1,5 +1,5 @@
|
||||
/*
|
||||
* Copyright 2012-2019 the original author or authors.
|
||||
* Copyright 2012-2021 the original author or authors.
|
||||
*
|
||||
* Licensed under the Apache License, Version 2.0 (the "License");
|
||||
* you may not use this file except in compliance with the License.
|
||||
@ -35,14 +35,17 @@ import static org.assertj.core.api.Assertions.assertThat;
|
||||
import static org.assertj.core.api.Assertions.assertThatThrownBy;
|
||||
|
||||
/**
|
||||
* Tests for {@link MessageSourceInterpolatorDelegate}.
|
||||
* Integration tests for {@link MessageSourceMessageInterpolator}.
|
||||
*
|
||||
* @author Dmytro Nosan
|
||||
*/
|
||||
class MessageSourceInterpolatorDelegateTests {
|
||||
class MessageSourceMessageInterpolatorIntegrationTests {
|
||||
|
||||
private final Validator validator = buildValidator();
|
||||
|
||||
@NotNull
|
||||
private String defaultMessage;
|
||||
|
||||
@NotNull(message = "{null}")
|
||||
private String nullable;
|
||||
|
||||
@ -67,6 +70,11 @@ class MessageSourceInterpolatorDelegateTests {
|
||||
@NotNull(message = "\\\\{null}")
|
||||
private String escapeEscape;
|
||||
|
||||
@Test
|
||||
void defaultMessage() {
|
||||
assertThat(validate("defaultMessage")).containsExactly("must not be null");
|
||||
}
|
||||
|
||||
@Test
|
||||
void nullable() {
|
||||
assertThat(validate("nullable")).containsExactly("must not be null");
|
||||
@ -79,7 +87,8 @@ class MessageSourceInterpolatorDelegateTests {
|
||||
|
||||
@Test
|
||||
void recursion() {
|
||||
assertThatThrownBy(() -> validate("recursion")).hasStackTraceContaining("Circular reference '{recursion}'");
|
||||
assertThatThrownBy(() -> validate("recursion"))
|
||||
.hasStackTraceContaining("Circular reference '{recursion -> middle -> recursion}'");
|
||||
}
|
||||
|
||||
@Test
|
||||
@ -121,13 +130,14 @@ class MessageSourceInterpolatorDelegateTests {
|
||||
StaticMessageSource messageSource = new StaticMessageSource();
|
||||
messageSource.addMessage("blank", locale, "{null} or {javax.validation.constraints.NotBlank.message}");
|
||||
messageSource.addMessage("null", locale, "{javax.validation.constraints.NotNull.message}");
|
||||
messageSource.addMessage("recursion", locale, "{recursion}");
|
||||
MessageInterpolatorFactory messageInterpolatorFactory = new MessageInterpolatorFactory();
|
||||
messageInterpolatorFactory.setMessageSource(messageSource);
|
||||
LocalValidatorFactoryBean validatorFactory = new LocalValidatorFactoryBean();
|
||||
validatorFactory.setMessageInterpolator(messageInterpolatorFactory.getObject());
|
||||
validatorFactory.afterPropertiesSet();
|
||||
return validatorFactory.getValidator();
|
||||
messageSource.addMessage("recursion", locale, "{middle}");
|
||||
messageSource.addMessage("middle", locale, "{recursion}");
|
||||
MessageInterpolatorFactory messageInterpolatorFactory = new MessageInterpolatorFactory(messageSource);
|
||||
try (LocalValidatorFactoryBean validatorFactory = new LocalValidatorFactoryBean()) {
|
||||
validatorFactory.setMessageInterpolator(messageInterpolatorFactory.getObject());
|
||||
validatorFactory.afterPropertiesSet();
|
||||
return validatorFactory.getValidator();
|
||||
}
|
||||
}
|
||||
|
||||
}
|
@ -0,0 +1,119 @@
|
||||
/*
|
||||
* Copyright 2012-2021 the original author or authors.
|
||||
*
|
||||
* Licensed under the Apache License, Version 2.0 (the "License");
|
||||
* you may not use this file except in compliance with the License.
|
||||
* You may obtain a copy of the License at
|
||||
*
|
||||
* https://www.apache.org/licenses/LICENSE-2.0
|
||||
*
|
||||
* Unless required by applicable law or agreed to in writing, software
|
||||
* distributed under the License is distributed on an "AS IS" BASIS,
|
||||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
* See the License for the specific language governing permissions and
|
||||
* limitations under the License.
|
||||
*/
|
||||
|
||||
package org.springframework.boot.validation;
|
||||
|
||||
import java.util.Locale;
|
||||
|
||||
import javax.validation.MessageInterpolator;
|
||||
import javax.validation.MessageInterpolator.Context;
|
||||
|
||||
import org.junit.jupiter.api.Test;
|
||||
|
||||
import org.springframework.context.support.StaticMessageSource;
|
||||
|
||||
import static org.assertj.core.api.Assertions.assertThat;
|
||||
import static org.assertj.core.api.Assertions.assertThatIllegalArgumentException;
|
||||
import static org.mockito.Mockito.mock;
|
||||
|
||||
/**
|
||||
* Tests for {@link MessageSourceMessageInterpolator}.
|
||||
*
|
||||
* @author Dmytro Nosan
|
||||
* @author Andy Wilkinson
|
||||
*/
|
||||
class MessageSourceMessageInterpolatorTests {
|
||||
|
||||
private final Context context = mock(Context.class);
|
||||
|
||||
private final StaticMessageSource messageSource = new StaticMessageSource();
|
||||
|
||||
private final MessageSourceMessageInterpolator interpolator = new MessageSourceMessageInterpolator(
|
||||
this.messageSource, new IdentityMessageInterpolator());
|
||||
|
||||
@Test
|
||||
void interpolateShouldReplaceParameters() {
|
||||
this.messageSource.addMessage("foo", Locale.getDefault(), "fooValue");
|
||||
this.messageSource.addMessage("bar", Locale.getDefault(), "");
|
||||
assertThat(this.interpolator.interpolate("{foo}{bar}", this.context)).isEqualTo("fooValue");
|
||||
}
|
||||
|
||||
@Test
|
||||
void interpolateWhenParametersAreUnknownShouldLeaveThemUnchanged() {
|
||||
this.messageSource.addMessage("top", Locale.getDefault(), "{child}+{child}");
|
||||
assertThat(this.interpolator.interpolate("{foo}{top}{bar}", this.context))
|
||||
.isEqualTo("{foo}{child}+{child}{bar}");
|
||||
}
|
||||
|
||||
@Test
|
||||
void interpolateWhenParametersAreNestedShouldFullyReplaceAllParameters() {
|
||||
this.messageSource.addMessage("top", Locale.getDefault(), "{child}+{child}");
|
||||
this.messageSource.addMessage("child", Locale.getDefault(), "{{differentiator}.grandchild}");
|
||||
this.messageSource.addMessage("differentiator", Locale.getDefault(), "first");
|
||||
this.messageSource.addMessage("first.grandchild", Locale.getDefault(), "actualValue");
|
||||
assertThat(this.interpolator.interpolate("{top}", this.context)).isEqualTo("actualValue+actualValue");
|
||||
}
|
||||
|
||||
@Test
|
||||
void interpolateWhenParameterBracesAreUnbalancedShouldLeaveThemUnchanged() {
|
||||
this.messageSource.addMessage("top", Locale.getDefault(), "topValue");
|
||||
assertThat(this.interpolator.interpolate("\\{top}", this.context)).isEqualTo("\\{top}");
|
||||
assertThat(this.interpolator.interpolate("{top\\}", this.context)).isEqualTo("{top\\}");
|
||||
assertThat(this.interpolator.interpolate("{{top}", this.context)).isEqualTo("{{top}");
|
||||
assertThat(this.interpolator.interpolate("{top}}", this.context)).isEqualTo("topValue}");
|
||||
}
|
||||
|
||||
@Test
|
||||
void interpolateWhenBracesAreEscapedShouldIgnore() {
|
||||
this.messageSource.addMessage("foo", Locale.getDefault(), "fooValue");
|
||||
this.messageSource.addMessage("bar", Locale.getDefault(), "\\{foo}");
|
||||
this.messageSource.addMessage("bazz\\}", Locale.getDefault(), "bazzValue");
|
||||
assertThat(this.interpolator.interpolate("{foo}", this.context)).isEqualTo("fooValue");
|
||||
assertThat(this.interpolator.interpolate("{foo}\\a", this.context)).isEqualTo("fooValue\\a");
|
||||
assertThat(this.interpolator.interpolate("\\\\{foo}", this.context)).isEqualTo("\\\\fooValue");
|
||||
assertThat(this.interpolator.interpolate("\\\\\\{foo}", this.context)).isEqualTo("\\\\\\{foo}");
|
||||
assertThat(this.interpolator.interpolate("\\{foo}", this.context)).isEqualTo("\\{foo}");
|
||||
assertThat(this.interpolator.interpolate("{foo\\}", this.context)).isEqualTo("{foo\\}");
|
||||
assertThat(this.interpolator.interpolate("\\{foo\\}", this.context)).isEqualTo("\\{foo\\}");
|
||||
assertThat(this.interpolator.interpolate("{foo}\\", this.context)).isEqualTo("fooValue\\");
|
||||
assertThat(this.interpolator.interpolate("{bar}", this.context)).isEqualTo("\\{foo}");
|
||||
assertThat(this.interpolator.interpolate("{bazz\\}}", this.context)).isEqualTo("bazzValue");
|
||||
}
|
||||
|
||||
@Test
|
||||
void interpolateWhenParametersContainACycleShouldThrow() {
|
||||
this.messageSource.addMessage("a", Locale.getDefault(), "{b}");
|
||||
this.messageSource.addMessage("b", Locale.getDefault(), "{c}");
|
||||
this.messageSource.addMessage("c", Locale.getDefault(), "{a}");
|
||||
assertThatIllegalArgumentException().isThrownBy(() -> this.interpolator.interpolate("{a}", this.context))
|
||||
.withMessage("Circular reference '{a -> b -> c -> a}'");
|
||||
}
|
||||
|
||||
private static final class IdentityMessageInterpolator implements MessageInterpolator {
|
||||
|
||||
@Override
|
||||
public String interpolate(String messageTemplate, Context context) {
|
||||
return messageTemplate;
|
||||
}
|
||||
|
||||
@Override
|
||||
public String interpolate(String messageTemplate, Context context, Locale locale) {
|
||||
return messageTemplate;
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
}
|
Loading…
Reference in New Issue
Block a user