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aibot88 (@aibot88) published this skill. Their other Agent Skills are listed on their SkillMD profile.

Maven by aibot88 — Agent Skill

Name: Maven
Rating: 4.2 (5 reviews)
Author: aibot88

Maven

Maven build expertise for this multi-module Java project. Use when working with pom.xml files, managing dependencies, running builds or tests for specific modules, configuring or troubleshooting plugins (surefire, jacoco, shade, spotless, pitest, owasp), regenerating OpenAPI sources, building the JMH benchmark JAR, or releasing to Maven Central.

aibot88 Updated Sep 9, 2026 3 repo stars

File contents

Maven Multi-Module Build

This project is a Maven multi-module build. The root pom.xml is the parent; all dependency versions and plugin versions are declared there as properties.

Module Names (for `-pl`)

`-pl` value	Description
`api`	Public interfaces and data model
`points`	Free-space point tracking
`core`	Packager algorithm implementations
`test`	Shared test utilities
`jmh`	JMH benchmark suite
`open-api/open-api-model`	Generated Jackson model
`open-api/open-api-server`	Generated Spring server stubs
`open-api/open-api-client`	Generated Apache HttpClient 5 stubs
`open-api/open-api-test`	Shared open-api test utilities
`visualizer/api`	Visualizer JSON contract types
`visualizer/algorithm`	Algorithm state capture
`visualizer/packaging`	Packing result → JSON conversion

Common Commands

# Build and test one module (and its dependencies)
mvn test -pl <module> -am

# Build without running tests
mvn package -pl <module> -am -DskipTests

# Install all modules
mvn install

# Install everything, skip tests
mvn install -DskipTests

Plugin Reference

Surefire — running tests

mvn test -pl <module> -am

Version is maven-surefire-plugin.version in root pom.xml.

JaCoCo — code coverage

mvn test jacoco:report -pl <module> -am
# Report lands in target/site/jacoco/index.html

Spotless — code formatting

mvn spotless:check          # fail if formatting is off
mvn spotless:apply          # auto-fix formatting

Maven Shade — fat JAR (jmh module)

mvn package -pl jmh -am -DskipTests
java -jar jmh/target/benchmarks.jar

OpenAPI Generator — regenerate model/server/client

# All three at once
mvn generate-sources -pl open-api/open-api-model,open-api/open-api-server,open-api/open-api-client

# Individual module
mvn generate-sources -pl open-api/open-api-model

Source of truth is open-api/3d-api.yaml. Never hand-edit generated sources.

PiTest — mutation testing

mvn test-compile org.pitest:pitest-maven:mutationCoverage -pl <module> -am

OWASP Dependency Check

mvn dependency-check:check -pl <module>

Dependency Management Rules

All versions live in root pom.xml as <properties> — never hardcode a version in a child POM.
Use ${property.version} references in child POMs.
<dependencyManagement> in the root POM controls all third-party and inter-module versions.
Inter-module dependencies use ${project.version}.

Key Version Properties

Property	Controls
`java.version`	Java 17 source/target
`junit.version`	JUnit Jupiter
`mockito.version`	Mockito
`assertj.version`	AssertJ
`jmh.version`	JMH framework
`jacoco-maven-plugin.version`	JaCoCo
`maven-surefire-plugin.version`	Surefire
`spotless.version`	Spotless formatter
`pitest.version`	PiTest mutation testing

Release to Maven Central

Uses maven-release-plugin + maven-gpg-plugin + Sonatype Central Portal plugin.

mvn release:prepare
mvn release:perform

---name: mavendescription: Maven build expertise for this multi-module Java project. Use when working with pom.xml files, managing dependencies, running builds or tests for specific modules, configuring or troubleshooting plugins (surefire, jacoco, shade, spotless, pitest, owasp), regenerating OpenAPI sources, building the JMH benchmark JAR, or releasing to Maven Central.--- # Maven Multi-Module Build This project is a Maven multi-module build. The root `pom.xml` is the parent; all dependency versions and plugin versions are declared there as properties. ## Module Names (for `-pl`) | `-pl` value | Description | |---|---| | `api` | Public interfaces and data model | | `points` | Free-space point tracking | | `core` | Packager algorithm implementations | | `test` | Shared test utilities | | `jmh` | JMH benchmark suite | | `open-api/open-api-model` | Generated Jackson model | | `open-api/open-api-server` | Generated Spring server stubs | | `open-api/open-api-client` | Generated Apache HttpClient 5 stubs | | `open-api/open-api-test` | Shared open-api test utilities | | `visualizer/api` | Visualizer JSON contract types | | `visualizer/algorithm` | Algorithm state capture | | `visualizer/packaging` | Packing result → JSON conversion | ## Common Commands ```bash # Build and test one module (and its dependencies) mvn test -pl <module> -am # Build without running tests mvn package -pl <module> -am -DskipTests # Install all modules mvn install # Install everything, skip tests mvn install -DskipTests ``` ## Plugin Reference ### Surefire — running tests ```bash mvn test -pl <module> -am ``` Version is `maven-surefire-plugin.version` in root `pom.xml`. ### JaCoCo — code coverage ```bash mvn test jacoco:report -pl <module> -am # Report lands in target/site/jacoco/index.html ``` ### Spotless — code formatting ```bash mvn spotless:check # fail if formatting is off mvn spotless:apply # auto-fix formatting ``` ### Maven Shade — fat JAR (jmh module) ```bash mvn package -pl jmh -am -DskipTests java -jar jmh/target/benchmarks.jar ``` ### OpenAPI Generator — regenerate model/server/client ```bash # All three at once mvn generate-sources -pl open-api/open-api-model,open-api/open-api-server,open-api/open-api-client # Individual module mvn generate-sources -pl open-api/open-api-model ``` Source of truth is `open-api/3d-api.yaml`. Never hand-edit generated sources. ### PiTest — mutation testing ```bash mvn test-compile org.pitest:pitest-maven:mutationCoverage -pl <module> -am ``` ### OWASP Dependency Check ```bash mvn dependency-check:check -pl <module> ``` ## Dependency Management Rules - **All versions live in root `pom.xml` as `<properties>`** — never hardcode a version in a child POM. - Use `${property.version}` references in child POMs. - `<dependencyManagement>` in the root POM controls all third-party and inter-module versions. - Inter-module dependencies use `${project.version}`. ## Key Version Properties | Property | Controls | |---|---| | `java.version` | Java 17 source/target | | `junit.version` | JUnit Jupiter | | `mockito.version` | Mockito | | `assertj.version` | AssertJ | | `jmh.version` | JMH framework | | `jacoco-maven-plugin.version` | JaCoCo | | `maven-surefire-plugin.version` | Surefire | | `spotless.version` | Spotless formatter | | `pitest.version` | PiTest mutation testing | ## Release to Maven Central Uses `maven-release-plugin` + `maven-gpg-plugin` + Sonatype Central Portal plugin. ```bash mvn release:prepare mvn release:perform ```

Frequently asked questions