in src/main/java/org/apache/maven/plugins/pmd/ExcludeDuplicationsFromFile.java [70:78]
private boolean isExcludedFromFailure(Set<String> uniquePaths) {
for (final Set<String> singleExclusionGroup : exclusionList) {
if (uniquePaths.size() == singleExclusionGroup.size()
&& duplicationExcludedByGroup(uniquePaths, singleExclusionGroup)) {
return true;
}
}
return false;
}