如何访问maven.build.timestamp进行资源过滤 [英] How to access maven.build.timestamp for resource filtering

问题描述

我正在使用maven 3.0.4，并希望使构建时间戳可供我的应用程序访问.为此，我将占位符放在.properties文件中，并让Maven在构建时进行过滤.尽管这对于${project.version}正常工作，但${maven.build.timestamp}不能在过滤时替换.

I am using maven 3.0.4 and would like to make the build timestamp accessible to my application. For this, I'm putting a placeholder in a .properties file and let maven filter on build. While this is working fine for ${project.version}, ${maven.build.timestamp} is not substituted on filtering.

该属性似乎可以在构建中使用-我可以使用它来修改工件名称:

The property seems to be available on build - I can use it to modify the artifact name:

<finalName>${project.artifactId}-${maven.build.timestamp}</finalName>

那么为什么它不能用于资源过滤?而且，更重要的是，如何使它可访问?

So why is it not available for resource filtering? And, more importantly, how do I make it accessible?

推荐答案

我发现了这篇文章，说明由于 Maven中的错误，构建时间戳记不会传播到过滤器中.解决方法是将时间戳包装在另一个属性中:

I have discovered this article, explaining that due to a bug in maven, the build timestamp does not get propagated to the filtering. The workaround is to wrap the timestamp in another property:

<properties>
   <timestamp>${maven.build.timestamp}</timestamp>
   <maven.build.timestamp.format>yyyy-MM-dd HH:mm</maven.build.timestamp.format>
</properties>

然后可以按预期进行过滤

Filtering then works as expected for

buildTimestamp=${timestamp}

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