code: private void configureResourceLocator(final ResourceManager resourceManager,
                                            final CheckstyleExecutorRequest request,
                                            final List<Artifact> additionalArtifacts) {
          final MavenProject project = request.getProject();
          resourceManager.setOutputDirectory(new File(project.getBuild().getDirectory()));
  
          // Recurse up the parent hierarchy and add project directories to the search roots
          MavenProject parent = project;
          while (parent != null && parent.getFile() != null) {
              // MCHECKSTYLE-131 ( olamy ) I don't like this hack.
              // (dkulp) Me either.   It really pollutes the location stuff
              // by allowing searches of stuff outside the current module.
              File dir = parent.getFile().getParentFile();
              resourceManager.addSearchPath(FileResourceLoader.ID, dir.getAbsolutePath());
              parent = parent.getParent();
          }
          resourceManager.addSearchPath("url", "");
  
          // MCHECKSTYLE-225: load licenses from additional artifacts, not from classpath
          if (additionalArtifacts != null) {
              for (Artifact licenseArtifact : additionalArtifacts) {
                  try {
                      // MCHECKSTYLE-287, MCHECKSTYLE-294: Ignore null licenseArtifacts ...
                      if (licenseArtifact != null) {
                          if (getLogger().isDebugEnabled()) {
                              getLogger().debug("Adding licenceArtifact [" + licenseArtifact.getGroupId() + ":"
                                      + licenseArtifact.getArtifactId() + ":" + licenseArtifact.getVersion()
                                      + "] to resourceManager.");
                          }
                          resourceManager.addSearchPath("jar", "jar:" + licenseArtifact.getFile().toURI().toURL());
                      }
                  } catch (MalformedURLException e) {
                      // noop
                  }
              }
          }
      }
docs: Configures search paths in the resource locator.
  This method should only be called once per execution.
  
  @param request executor request data.