cstamas commented on a change in pull request #616:
URL: https://github.com/apache/maven/pull/616#discussion_r783124929
##########
File path:
maven-embedder/src/main/java/org/apache/maven/cli/internal/BootstrapCoreExtensionManager.java
##########
@@ -114,14 +123,42 @@ private CoreExtensionEntry createExtension( CoreExtension
extension, List<Artifa
{
String realmId =
"coreExtension>" + extension.getGroupId() + ":" +
extension.getArtifactId() + ":" + extension.getVersion();
- ClassRealm realm = classWorld.newRealm( realmId, null );
- log.debug( "Populating class realm " + realm.getId() );
- realm.setParentRealm( parentRealm );
+ final ClassRealm realm = classWorld.newRealm( realmId, null );
+ Set<String> providedArtifacts = Collections.emptySet();
+ String classLoadingStrategy = extension.getClassLoadingStrategy();
+ if ( STRATEGY_PARENT_FIRST.equals( classLoadingStrategy ) )
+ {
+ realm.importFrom( parentRealm, "" );
+ }
+ else if ( STRATEGY_PLUGIN.equals( classLoadingStrategy ) )
+ {
+ coreExports.getExportedPackages().forEach( ( p, cl ) ->
realm.importFrom( cl, p ) );
+ providedArtifacts = coreExports.getExportedArtifacts();
+ }
+ else if ( STRATEGY_SELF_FIRST.equals( classLoadingStrategy ) )
+ {
+ realm.setParentRealm( parentRealm );
+ }
+ else
+ {
+ throw new IllegalArgumentException( "Unsupported class-loading
strategy '"
+ + classLoadingStrategy + "'. Supported values are: " +
STRATEGY_PARENT_FIRST
+ + ", " + STRATEGY_PLUGIN + " and " + STRATEGY_SELF_FIRST );
+ }
+ log.debug( "Populating class realm {}", realm.getId() );
for ( Artifact artifact : artifacts )
{
- File file = artifact.getFile();
- log.debug( " Included " + file );
- realm.addURL( file.toURI().toURL() );
+ String id = artifact.getGroupId() + ":" + artifact.getArtifactId();
+ if ( providedArtifacts.contains( id ) )
+ {
+ log.debug( " Excluded {}", id );
+ }
+ else
+ {
+ File file = artifact.getFile();
+ log.debug( " Included {}", file );
Review comment:
The
```
if ( log.isTraceEnabled() )
{
log.debug( " Included {} located at {}", id, file );
}
else
{
log.debug( " Included {}", id );
}
```
one. These are two orthogonal things:
* message is always DEBUG
* level may be "tuned", and based on set level, message is either not
emitted, emitted, or emitted with more details
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