ci: extract project version and use it in the Maven example build

Author: juherr

.github/workflows/ci.yml

@@ -17,7 +17,7 @@ jobs:
       matrix:
         java: [8]
       max-parallel: 5
-    name: JDK ${{ matrix.java }} | Project
+    name: Test JDK ${{ matrix.java }}
     steps:
       - uses: actions/checkout@v3
 
@@ -47,20 +47,20 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        build-java: [8]
+        project-java-target: [8]
         run:
           - { java: 8,  gradle: '7.6.4' }  # AGP Java 8 => Gradle 7.6.4 (MavenPlugin legacy)
-    name: JDK ${{ matrix.build-java }} | Example Gradle (Android) | run on Java ${{ matrix.run.java }}
+    name: JDK ${{ project-java-target }} | Example Gradle (Android)
     steps:
       - uses: actions/checkout@v3
 
       - name: Install Android SDK
         uses: malinskiy/action-android/install-sdk@release/0.1.1
 
-      - name: Download m2 org.jsonschema2pojo (matching build-java)
+      - name: Download m2 org.jsonschema2pojo
         uses: actions/download-artifact@v4
         with:
-          name: m2-jsonschema2pojo-jdk${{ matrix.build-java }}
+          name: m2-jsonschema2pojo-jdk${{ matrix.project-java-target }}
           path: ~/.m2/repository/org/jsonschema2pojo
 
       - uses: actions/setup-java@v3
@@ -84,17 +84,17 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        build-java: [8]
+        project-java-target: [8]
         run:
           - { java: 8,  gradle: '8.9' }
-    name: JDK ${{ matrix.build-java }} | Example Gradle (Java) | run on Java ${{ matrix.run.java }}
+    name: JDK ${{ project-java-target }} | Example Gradle (Java)
     steps:
       - uses: actions/checkout@v3
 
-      - name: Download m2 org.jsonschema2pojo (matching build-java)
+      - name: Download m2 org.jsonschema2pojo
         uses: actions/download-artifact@v4
         with:
-          name: m2-jsonschema2pojo-jdk${{ matrix.build-java }}
+          name: m2-jsonschema2pojo-jdk${{ matrix.project-java-target }}
           path: ~/.m2/repository/org/jsonschema2pojo
 
       - uses: actions/setup-java@v3
@@ -118,17 +118,17 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        build-java: [8]
+        project-java-target: [8]
         run:
           - { java: 8,  maven: '3.9.9' }
-    name: JDK ${{ matrix.build-java }} | Example Maven | run on Java ${{ matrix.run.java }}
+    name: JDK ${{ project-java-target }} | Example Maven (Java)
     steps:
       - uses: actions/checkout@v3
 
-      - name: Download m2 org.jsonschema2pojo (matching build-java)
+      - name: Download m2 org.jsonschema2pojo
         uses: actions/download-artifact@v4
         with:
-          name: m2-jsonschema2pojo-jdk${{ matrix.build-java }}
+          name: m2-jsonschema2pojo-jdk${{ matrix.project-java-target }}
           path: ~/.m2/repository/org/jsonschema2pojo
 
       - uses: actions/setup-java@v3
@@ -141,6 +141,10 @@ jobs:
         with:
           maven-version: ${{ matrix.run.maven }}
 
+      - name: Extract project version
+        id: get_version
+        run: echo "project_version=$(mvn help:evaluate -Dexpression=project.version -q -DforceStdout)" >> $GITHUB_OUTPUT
+
       - name: Build Maven example
         working-directory: jsonschema2pojo-maven-plugin/example
-        run: mvn package
+        run: mvn -Djsonschema2pojo.version="${{ steps.get_version.outputs.project_version }}" package

jsonschema2pojo-maven-plugin/example/pom.xml

@@ -5,6 +5,10 @@
     <artifactId>maven-jsonschema2pojo-example</artifactId>
     <version>0.0.1-SNAPSHOT</version>
 
+    <properties>
+        <jsonschema2pojo.version>1.2.1</jsonschema2pojo.version>
+    </properties>
+
     <build>
         <plugins>
             <plugin>
@@ -17,7 +21,7 @@
             <plugin>
                 <groupId>org.jsonschema2pojo</groupId>
                 <artifactId>jsonschema2pojo-maven-plugin</artifactId>
-                <version>1.2.1</version>
+                <version>${jsonschema2pojo.version}</version>
                 <configuration>
                     <sourceDirectory>${basedir}/schema</sourceDirectory>
                     <targetPackage>com.example.types</targetPackage>