private void saveSettings() {
    saveValue(INHERIT_GROUP_ID_KEY, myInheritGroupIdCheckBox.isSelected());
    saveValue(INHERIT_VERSION_KEY, myInheritVersionCheckBox.isSelected());

    if (myArchetypes != null) {
      MavenArchetype arch = myArchetypes.getSelectedArchetype();
      saveValue(ARCHETYPE_GROUP_ID_KEY, arch == null ? null : arch.groupId);
      saveValue(ARCHETYPE_ARTIFACT_ID_KEY, arch == null ? null : arch.artifactId);
      saveValue(ARCHETYPE_VERSION_KEY, arch == null ? null : arch.version);
    }
  }
private void saveSettings()