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Add a SpringBootVersion class like SpringVersion 

Provide a static utility method to get the Spring Boot version based on
the implementation version of SpringApplication's package. Similar to
Spring Frameworks' SpringVersion class.

Fixes gh-2300
This commit is contained in:
drumonii 2015-01-06 22:08:15 -05:00 committed by Phillip Webb
parent 69c44fafc7
commit 8b04973244
3 changed files with 48 additions and 4 deletions
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4
spring-boot/src/main/java/org/springframework/boot/ResourceBanner.java
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@ -1,5 +1,5 @@
/*
* Copyright 2012-2014 the original author or authors.
* Copyright 2012-2015 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.
@ -106,7 +106,7 @@ public class ResourceBanner implements Banner {
}
protected String getBootVersion() {
return Banner.class.getPackage().getImplementationVersion();
return SpringBootVersion.getVersion();
}
private String getVersionString(String version, boolean format) {

4
spring-boot/src/main/java/org/springframework/boot/SpringBootBanner.java
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@ -1,5 +1,5 @@
/*
* Copyright 2012-2013 the original author or authors.
* Copyright 2012-2015 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.
@ -50,7 +50,7 @@ class SpringBootBanner implements Banner {
for (String line : BANNER) {
printStream.println(line);
}
String version = Banner.class.getPackage().getImplementationVersion();
String version = SpringBootVersion.getVersion();
version = (version == null ? "" : " (v" + version + ")");
String padding = "";
while (padding.length() < STRAP_LINE_SIZE

44
spring-boot/src/main/java/org/springframework/boot/SpringBootVersion.java Normal file
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@ -0,0 +1,44 @@
/*
* Copyright 2012-2015 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;
/**
* Class that exposes the Spring Boot version. Fetches the "Implementation-Version"
* manifest attribute from the jar file.
* <p>
* Note that some ClassLoaders do not expose the package metadata, hence this class might
* not be able to determine the Spring Boot version in all environments. Consider using a
* reflection-based check instead: For example, checking for the presence of a specific
* Spring Boot method that you intend to call.
*
* @author Drummond Dawson
* @since 1.3.0
*/
public class SpringBootVersion {
/**
* Return the full version string of the present Spring Boot codebase, or {@code null}
* if it cannot be determined.
* @return the version of Spring Boot or {@code null}
* @see Package#getImplementationVersion()
*/
public static String getVersion() {
Package pkg = SpringApplication.class.getPackage();
return (pkg != null ? pkg.getImplementationVersion() : null);
}
}