How to use

org.jboss.windup.util.PackageFrequencyTrie

constructor

  private PackageFrequencyTrie getSubTrie(String packageName)
  {
    PackageFrequencyTrie current = this;

    StringTokenizer tokenizer = new StringTokenizer(packageName, ".");
    while (tokenizer.hasMoreTokens())
    {
      String token = tokenizer.nextToken();
      PackageFrequencyTrie next = current.entries.get(token);
      if (next == null)
      {
        next = new PackageFrequencyTrie(current, token);
        current.entries.put(token, next);
      }
      current = next;
    }
    return current;
  }
}

  private PackageFrequencyTrie getSubTrie(String packageName)
  {
    PackageFrequencyTrie current = this;

    StringTokenizer tokenizer = new StringTokenizer(packageName, ".");
    while (tokenizer.hasMoreTokens())
    {
      String token = tokenizer.nextToken();
      PackageFrequencyTrie next = current.entries.get(token);
      if (next == null)
      {
        next = new PackageFrequencyTrie(current, token);
        current.entries.put(token, next);
      }
      current = next;
    }
    return current;
  }
}

PackageFrequencyTrie frequencyTrie = new PackageFrequencyTrie();

@Override
public PackageDiscoveryResult execute(String rulesPath, String inputPath)
{
  final Map<String, Integer> classes = findClasses(Paths.get(inputPath), Paths.get(inputPath));
  packageNameMappingRegistry.loadPackageMappings(Paths.get(rulesPath));
  PackageFrequencyTrie frequencyTrie = new PackageFrequencyTrie();
  for (String qualifiedName : classes.keySet())
  {
    frequencyTrie.addClass(qualifiedName);
  }
  Map<String, Integer> knownPackagesAndClassCount = new TreeMap<>(new PackageComparator());
  Map<String, Integer> unknownPackagesAndClassCount = new TreeMap<>(new PackageComparator());
  Map<String, String> knownPackages = new TreeMap<>(new PackageComparator());
  this.qualifyDiscoveredPackages(knownPackages, frequencyTrie, knownPackagesAndClassCount, unknownPackagesAndClassCount);
  return new PackageDiscoveryResult(knownPackagesAndClassCount, unknownPackagesAndClassCount);
}

PackageFrequencyTrie frequencyTrie = new PackageFrequencyTrie();