maven - 如何构建具有依赖项的 uberjars [英] maven - How to build uberjars with dependencies

问题描述

我有一个生成 jar 文件的 Maven 模块.我被要求开发一些其他的 uberjar 文件作为构建过程的副产品.我还被告知这 2 个 jar 文件是小程序 jar 文件将需要包含来自 maven 模块依赖项的一些类.

I have a maven module generating a jar file. I have been asked to develop a couple of other uberjar files as a byproduct of build process. I have also been told these 2 jar files are applet jar files that will be need include some classes from the dependencies of the maven module.

我环顾四周，缩小到这 3 个选项 -

I looked around and narrowed down to these 3 options -

1. Maven Assembly插件 - 这可以从生成的类构建自定义jar通过 maven 模块.不能包含第三方依赖项.
2. 通过Maven使用ant - 使用maven-dependency-plugin解压依赖，然后通过 ant 脚本打包小程序 jar.
3. 使用Maven shade插件 - 虽然这个插件不直接适合我的要求，我可以让它工作.

1. Maven Assembly plugin - This can build custom jars from the classes generated by the maven module. Third party dependencies cant be included.
2. Use ant through Maven - Use maven-dependency-plugin to unpack dependencies and then pack the applet jars through ant scripts.
3. Use Maven shade plugin - Although this plugin is not directly suited for my requirement, I can get it working.

虽然我可以使用 (b) 和 (c) 解决问题，但我无法决定使用哪一个.我注意到的一件事是使用依赖插件非常耗时.

While I can get things working with (b) and (c), I am unable to decide which one to use. One key thing I have noticed is using the dependency plugin is time consuming.

我想知道人们是否还有其他方法可以实现相同的要求.

I wanted to know if there are other ways people achieve the same requirement.

推荐答案

您可以使用带有 dependencySet 元素的程序集插件包含依赖项，请参阅:

You can include dependencies using the assembly plugin with the dependencySet elements, see:

• http://maven.apache.org/plugins/maven-assembly-plugin/assembly.html#class_dependencySet

具体来说，这里有一个来自 Andrew E Bruno 的例子博客:

Specifically here's an example taken from Andrew E Bruno's blog:

<dependencySets>
  <dependencySet>
    <outputDirectory></outputDirectory>
    <outputFileNameMapping></outputFileNameMapping>
    <unpack>true</unpack>
    <scope>runtime</scope>
    <includes>
      <include>commons-lang:commons-lang</include>
      <include>commons-cli:commons-cli</include>
    </includes>
  </dependencySet>
</dependencySets>

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