Fix mojohaus#139 - "Can't find license-maven-plugin"

Use the PluginDescriptor. Most painful checkstyle.
AndyGee · Aug 5, 2019 · 9f060cb · 9f060cb
1 parent 60418bb
commit 9f060cb
Showing 1 changed file with 21 additions and 1 deletion.
diff --git a/src/main/java/org/codehaus/mojo/license/AggregatorAddThirdPartyMojo.java b/src/main/java/org/codehaus/mojo/license/AggregatorAddThirdPartyMojo.java
@@ -33,6 +33,7 @@
 import org.apache.maven.artifact.Artifact;
 import org.apache.maven.model.Plugin;
 import org.apache.maven.plugin.MojoExecutionException;
+import org.apache.maven.plugin.descriptor.PluginDescriptor;
 import org.apache.maven.plugins.annotations.LifecyclePhase;
 import org.apache.maven.plugins.annotations.Mojo;
 import org.apache.maven.plugins.annotations.Parameter;
@@ -203,11 +204,30 @@ protected void doAction()
         }
         if ( groupId == null )
         {
-            throw new IllegalStateException( "Can't find license-maven-plugin" );
+            try
+            {
+                final PluginDescriptor pd = ( PluginDescriptor ) getPluginContext().get( "pluginDescriptor" );
+                groupId = pd.getGroupId();
+                artifactId = pd.getArtifactId();
+                version = pd.getVersion();
+            }
+            catch ( ClassCastException e )
+            {
+                LOG.warn( "Failed to access PluginDescriptor", e );
+            }
+
+            if ( groupId == null )
+            {
+                throw new IllegalStateException( "Failed to determine the license-maven-plugin artifact."
+                    +
+                    "Please add it to your parent POM." );
+            }
         }
 
         String addThirdPartyRoleHint = groupId + ":" + artifactId + ":" + version + ":" + "add-third-party";
 
+        LOG.info( "The default plugin hint is: " + addThirdPartyRoleHint );
+
         for ( MavenProject reactorProject : reactorProjects )
         {
             if ( getProject().equals( reactorProject ) && !acceptPomPackaging )