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Scanners

This category contains examples how to build your custom dependency scanner based on DBBs' AbstractDependencyScanner API. Samples are supposed to follow the same structure. The custom dependency scanner may either be a scanner implementation by itself or extend an existing scanner.

Building a scanner with IDZ

  • Clone the IBM/DBB repository into IDZ/Eclipse.
  • Import the scanner implementation as a JAVA project
  • Download the <DBB-HOME>/lib/dbb.core_2.0.x.x.jar package from your IBM DBB toolkit installation on z/OS Unix System Services to your development environment.
  • Fix the setup of the build path of the scanner project by adding the DBB core package as an External JAR under the Libraries configuration and remove any invalid references.
  • Implement changes in runScan() method of the scanner implementation that is extending AbstractDependencyScanner.
  • Create a Run Configuration for a Java Application for the scanner implementation (Note: The Run Configuration will not have a main method as we will not actually be using it to run the program. You might see some warnings.)
  • Execute the Export Java > Runnable JAR file action in IDZ/Eclipse, which will create the JAR file containing your custom scanner:
    • Select the previously created runner configuration
    • Select the export destination
    • In the Library handling section, select to Copy required libraries into a sub-folder next to the generated JAR option
  • Copy the generated JAR to z/OS Unix system services as binary
  • Run the provided test script which each scanner implementation should provide. Details are included in the scanner project.

Scanner implementations

The below list contains the available scanner implementations

Sample Description
DTL Scanner A custom scanner implementation for z/OS ISPF Dialog Tag Language to detect its dependencies. zAppBuild contains the language script for DTL. The scanner implementation leverages regex patterns to identify the referenced include files.