plugin/checkstyle/src/main/java/se/jguru/nazgul/tools/plugin/checkstyle/exec/DefaultCheckstyleExecutor.java
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
                }
            }
        }
    }
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
                }
            }
        }
    }
Configures search paths in the resource locator.
This method should only be called once per execution.

@param request executor request data.