Can I Download Source JARs from Maven Repositories?

How to Retrieve Source JARs from Maven Repositories

Question: Is it possible to obtain source JARs from Maven repositories?

Answer: Yes, it is possible to retrieve source JARs from Maven repositories. Here's how to do it:

1. Use the Maven Dependency Plugin

The Maven Dependency Plugin provides commands for downloading sources and Javadocs for library dependencies. To use this plugin:

• Download source code: Run mvn dependency:sources.
• Download Javadocs: Run mvn dependency:resolve -Dclassifier=javadoc.

2. Handle Packaging Variations

Not all library packagers provide source code or Javadocs. If you encounter missing sources, you can inspect the plugin documentation or refer to the library's distribution website for availability.

3. Specify Specific Artifacts (Optional)

To download sources for specific dependencies, use the -DincludeArtifactIds flag. For example, to get sources for the dependency with the artifact ID guava:

mvn dependency:sources -DincludeArtifactIds=guava

Additional Resources:

• [Maven Micro-Tip: Get Sources and Javadocs](http://tedwise.com/2010/01/27/maven-micro-tip-get-sources-and-javadocs/)
• [Maven Dependency Plugin (sources-mojo)](https://maven.apache.org/plugins/maven-dependency-plugin/sources-mojo.html)

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