JacocoToCobertura Maven Plugin

This Maven plugin allows you to convert JaCoCo XML reports to Cobertura reports. The Cobertura report can be used in GitLab to display code coverage information in Merge Requests. This project is based on the original Kotlin Gradle plugin and has been converted to Maven based on Java 11.

How to Use the Plugin

Add the Plugin to Your Maven Project

To use this plugin, add it to your Maven project's pom.xml:

<build>
    <plugins>
        <plugin>
            <groupId>com.tomassatka</groupId>
            <artifactId>jacoco-to-cobertura-maven-plugin</artifactId>
            <version><!-- see latest version above --></version>
            <executions>
                <execution>
                    <goals>
                        <goal>jacocoToCobertura</goal>
                    </goals>
                </execution>
            </executions>
        </plugin>
    </plugins>
</build>

Configure the Plugin

Property	Description	Default Value
inputFile	JaCoCo XML file to read	XML report of single JacocoReport task found in the project; must be specified manually if zero or more than one JacocoReport task exists
outputFile	Cobertura XML file to generate	cobertura-${inputFile.nameWithoutExtension}.xml in the directory of inputFile
sourceDirectories	Directories containing source files the JaCoCo report used	Source directories of single JacocoReport task found in the project; must be specified manually if zero or more than one JacocoReport tasks exist
splitByPackage	Whether to generate one Cobertura report per package	false

Example configuration:

<configuration>
    <inputFile>path/to/jacoco-report.xml</inputFile>
    <outputFile>path/to/output/cobertura.xml</outputFile>
    <sourceDirectories>
        <sourceDirectory>src/main/java</sourceDirectory>
    </sourceDirectories>
    <splitByPackage>true</splitByPackage>
</configuration>

Run the Plugin

Run the plugin's convert goal:

mvn jacoco-to-cobertura:convert

This will convert the JaCoCo report to a Cobertura report. You can configure the plugin to run automatically as part of your build lifecycle.