Integrating Java applications

The meta-java layer also offers helper classes to ease the integration of Java libraries and applications into Yocto. In this recipe, we will see an example of building a Java library using the provided classes.

Getting ready

The meta-java layer provides two main classes to help with the integration of Java applications and libraries:

  • The Java bbclass: This provides the default target directories and some auxiliary functions, namely:
    • oe_jarinstall: This installs and symlinks a JAR file
    • oe_makeclasspath: This generates a classpath string from JAR filenames
    • oe_java_simple_wrapper: This wraps your Java application in a shell script
  • The java-library bbclass: This inherits the Java bbclass and extends it to create and install ...

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