Uber-fast, ultra-lightweight Java classpath scanner.
Java

README.md

FastClasspathScanner

FastClasspathScanner is an uber-fast, ultra-lightweight classpath scanner for Java, Scala and other JVM languages. FastClasspathScanner has been carefully optimized. The project is stable and actively maintained.

What is classpath scanning? Classpath scanning involves scanning directories and jar/zip files on the classpath to find files (especially classfiles) that meet certain criteria. In many ways, classpath scanning offers the inverse of the Java class API and/or reflection: for example, the Java class API can tell you the superclass of a given class, or give you the list of annotations on a class; classpath scanning can find all subclasses of a given class, or find all classes that are annotated with a given annotation.

FastClasspathScanner is able to:

Class graph visualization

Documentation

See the wiki for full documentation.

Mailing List

Feel free to subscribe to the FastClasspathScanner-Users email list for updates, or to ask questions.

Downloading

Use the "Clone or download" button at the top right of this page to get the source. You can get a pre-built JAR (usable in JRE 1.7 or later) from Sonatype, or add the following Maven Central dependency:

<dependency>
    <groupId>io.github.lukehutch</groupId>
    <artifactId>fast-classpath-scanner</artifactId>
    <version>LATEST</version>
</dependency>

License

The MIT License (MIT)

Copyright (c) 2016 Luke Hutchison

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.