o Added method to purge specific g:a:v from local repo

git-svn-id: https://svn.apache.org/repos/asf/maven/shared/trunk@944714 13f79535-47bb-0310-9956-ffa450edef68

maven-verifier/src/main/java/org/apache/maven/it/Verifier.java

@@ -849,6 +849,31 @@ else if ( "legacy".equals( localRepoLayout ) )
         FileUtils.deleteDirectory( new File( localRepo, path ) );
     }
 
+    /**
+     * Deletes all artifacts in the specified g:a:v from the local repository.
+     * 
+     * @param gid The group id whose artifacts should be deleted, must not be <code>null</code>.
+     * @param aid The artifact id whose artifacts should be deleted, must not be <code>null</code>.
+     * @param version The (base) version whose artifacts should be deleted, must not be <code>null</code>.
+     * @throws IOException If the artifacts could not be deleted.
+     * @since 1.3
+     */
+    public void deleteArtifacts( String gid, String aid, String version )
+        throws IOException
+    {
+        String path;
+        if ( "default".equals( localRepoLayout ) )
+        {
+            path = gid.replace( '.', '/' ) + '/' + aid + '/' + version;
+        }
+        else
+        {
+            throw new IllegalStateException( "Unsupported repository layout: " + localRepoLayout );
+        }
+
+        FileUtils.deleteDirectory( new File( localRepo, path ) );
+    }
+
     /**
      * Deletes the specified directory.
      *