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Extract configuration of MessageSourceAutoConfiguration 

This commit extracts the configuration of MessageSourceAutoConfiguration
in a dedicated object.

Closes gh-9666
This commit is contained in:
Stephane Nicoll 2017-09-29 16:09:30 +02:00
parent bbca612a57
commit ce8b59fc7d
3 changed files with 132 additions and 88 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

93
spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/context/MessageSourceAutoConfiguration.java
View File

@ -16,8 +16,6 @@
package org.springframework.boot.autoconfigure.context;
import java.nio.charset.Charset;
import org.springframework.boot.autoconfigure.AutoConfigureOrder;
import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
import org.springframework.boot.autoconfigure.condition.ConditionMessage;
@ -53,98 +51,33 @@ import org.springframework.util.StringUtils;
@AutoConfigureOrder(Ordered.HIGHEST_PRECEDENCE)
@Conditional(ResourceBundleCondition.class)
@EnableConfigurationProperties
@ConfigurationProperties(prefix = "spring.messages")
public class MessageSourceAutoConfiguration {
private static final Resource[] NO_RESOURCES = {};
/**
* Comma-separated list of basenames, each following the ResourceBundle convention.
* Essentially a fully-qualified classpath location. If it doesn't contain a package
* qualifier (such as "org.mypackage"), it will be resolved from the classpath root.
*/
private String basename = "messages";
/**
* Message bundles encoding.
*/
private Charset encoding = Charset.forName("UTF-8");
/**
* Loaded resource bundle files cache expiration, in seconds. When set to -1, bundles
* are cached forever.
*/
private int cacheSeconds = -1;
/**
* Set whether to fall back to the system Locale if no files for a specific Locale
* have been found. if this is turned off, the only fallback will be the default file
* (e.g. "messages.properties" for basename "messages").
*/
private boolean fallbackToSystemLocale = true;
/**
* Set whether to always apply the MessageFormat rules, parsing even messages without
* arguments.
*/
private boolean alwaysUseMessageFormat = false;
@Bean
@ConfigurationProperties(prefix = "spring.messages")
public MessageSourceProperties messageSourceProperties() {
return new MessageSourceProperties();
}
@Bean
public MessageSource messageSource() {
MessageSourceProperties properties = messageSourceProperties();
ResourceBundleMessageSource messageSource = new ResourceBundleMessageSource();
if (StringUtils.hasText(this.basename)) {
if (StringUtils.hasText(properties.getBasename())) {
messageSource.setBasenames(StringUtils.commaDelimitedListToStringArray(
StringUtils.trimAllWhitespace(this.basename)));
StringUtils.trimAllWhitespace(properties.getBasename())));
}
if (this.encoding != null) {
messageSource.setDefaultEncoding(this.encoding.name());
if (properties.getEncoding() != null) {
messageSource.setDefaultEncoding(properties.getEncoding().name());
}
messageSource.setFallbackToSystemLocale(this.fallbackToSystemLocale);
messageSource.setCacheSeconds(this.cacheSeconds);
messageSource.setAlwaysUseMessageFormat(this.alwaysUseMessageFormat);
messageSource.setFallbackToSystemLocale(properties.isFallbackToSystemLocale());
messageSource.setCacheSeconds(properties.getCacheSeconds());
messageSource.setAlwaysUseMessageFormat(properties.isAlwaysUseMessageFormat());
return messageSource;
}
public String getBasename() {
return this.basename;
}
public void setBasename(String basename) {
this.basename = basename;
}
public Charset getEncoding() {
return this.encoding;
}
public void setEncoding(Charset encoding) {
this.encoding = encoding;
}
public int getCacheSeconds() {
return this.cacheSeconds;
}
public void setCacheSeconds(int cacheSeconds) {
this.cacheSeconds = cacheSeconds;
}
public boolean isFallbackToSystemLocale() {
return this.fallbackToSystemLocale;
}
public void setFallbackToSystemLocale(boolean fallbackToSystemLocale) {
this.fallbackToSystemLocale = fallbackToSystemLocale;
}
public boolean isAlwaysUseMessageFormat() {
return this.alwaysUseMessageFormat;
}
public void setAlwaysUseMessageFormat(boolean alwaysUseMessageFormat) {
this.alwaysUseMessageFormat = alwaysUseMessageFormat;
}
protected static class ResourceBundleCondition extends SpringBootCondition {
private static ConcurrentReferenceHashMap<String, ConditionOutcome> cache = new ConcurrentReferenceHashMap<>();

100
spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/context/MessageSourceProperties.java Normal file
View File

@ -0,0 +1,100 @@
/*
* Copyright 2012-2017 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
*
* http://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.autoconfigure.context;
import java.nio.charset.Charset;
/**
* Configuration properties for Message Source.
*
* @author Stephane Nicoll
* @since 2.0.0
*/
public class MessageSourceProperties {
/**
* Comma-separated list of basenames, each following the ResourceBundle convention.
* Essentially a fully-qualified classpath location. If it doesn't contain a package
* qualifier (such as "org.mypackage"), it will be resolved from the classpath root.
*/
private String basename = "messages";
/**
* Message bundles encoding.
*/
private Charset encoding = Charset.forName("UTF-8");
/**
* Loaded resource bundle files cache expiration, in seconds. When set to -1, bundles
* are cached forever.
*/
private int cacheSeconds = -1;
/**
* Set whether to fall back to the system Locale if no files for a specific Locale
* have been found. if this is turned off, the only fallback will be the default file
* (e.g. "messages.properties" for basename "messages").
*/
private boolean fallbackToSystemLocale = true;
/**
* Set whether to always apply the MessageFormat rules, parsing even messages without
* arguments.
*/
private boolean alwaysUseMessageFormat = false;
public String getBasename() {
return this.basename;
}
public void setBasename(String basename) {
this.basename = basename;
}
public Charset getEncoding() {
return this.encoding;
}
public void setEncoding(Charset encoding) {
this.encoding = encoding;
}
public int getCacheSeconds() {
return this.cacheSeconds;
}
public void setCacheSeconds(int cacheSeconds) {
this.cacheSeconds = cacheSeconds;
}
public boolean isFallbackToSystemLocale() {
return this.fallbackToSystemLocale;
}
public void setFallbackToSystemLocale(boolean fallbackToSystemLocale) {
this.fallbackToSystemLocale = fallbackToSystemLocale;
}
public boolean isAlwaysUseMessageFormat() {
return this.alwaysUseMessageFormat;
}
public void setAlwaysUseMessageFormat(boolean alwaysUseMessageFormat) {
this.alwaysUseMessageFormat = alwaysUseMessageFormat;
}
}

27
spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/context/MessageSourceAutoConfigurationTests.java
View File

@ -22,6 +22,7 @@ import org.junit.After;
import org.junit.Ignore;
import org.junit.Test;
import org.springframework.beans.DirectFieldAccessor;
import org.springframework.boot.test.util.TestPropertyValues;
import org.springframework.context.ConfigurableApplicationContext;
import org.springframework.context.MessageSource;
@ -104,31 +105,41 @@ public class MessageSourceAutoConfigurationTests {
@Test
public void testFallbackDefault() throws Exception {
load("spring.messages.basename:test/messages");
assertThat(this.context.getBean(MessageSourceAutoConfiguration.class)
.isFallbackToSystemLocale()).isTrue();
assertThat(isFallbackToSystemLocale(this.context.getBean(MessageSource.class)))
.isTrue();
}
@Test
public void testFallbackTurnOff() throws Exception {
load("spring.messages.basename:test/messages",
"spring.messages.fallback-to-system-locale:false");
assertThat(this.context.getBean(MessageSourceAutoConfiguration.class)
.isFallbackToSystemLocale()).isFalse();
assertThat(isFallbackToSystemLocale(this.context.getBean(MessageSource.class)))
.isFalse();
}
@Test
public void testFormatMessageDefault() throws Exception {
load("spring.messages.basename:test/messages");
assertThat(this.context.getBean(MessageSourceAutoConfiguration.class)
.isAlwaysUseMessageFormat()).isFalse();
assertThat(isAlwaysUseMessageFormat(this.context.getBean(MessageSource.class)))
.isFalse();
}
@Test
public void testFormatMessageOn() throws Exception {
load("spring.messages.basename:test/messages",
"spring.messages.always-use-message-format:true");
assertThat(this.context.getBean(MessageSourceAutoConfiguration.class)
.isAlwaysUseMessageFormat()).isTrue();
assertThat(isAlwaysUseMessageFormat(this.context.getBean(MessageSource.class)))
.isTrue();
}
private boolean isFallbackToSystemLocale(MessageSource messageSource) {
return (boolean) new DirectFieldAccessor(messageSource)
.getPropertyValue("fallbackToSystemLocale");
}
private boolean isAlwaysUseMessageFormat(MessageSource messageSource) {
return (boolean) new DirectFieldAccessor(messageSource)
.getPropertyValue("alwaysUseMessageFormat");
}
@Test