private AgentProjectInfo processProject(MavenProject project) {
    long startTime = System.currentTimeMillis();

    log.info(WssUtils.logMsg(LOG_COMPONENT, "processing Maven project " + project.getId()));

    AgentProjectInfo projectInfo = new AgentProjectInfo();

    // project token
    if (project.equals(mavenParser.getMavenProject())) {
      projectInfo.setProjectToken(projectToken);
    } else {
      projectInfo.setProjectToken(moduleTokens.get(project.getArtifactId()));
    }

    // project coordinates
    projectInfo.setCoordinates(extractCoordinates(project));

    Parent parent = project.getModel().getParent();
    // parent coordinates
    if (parent != null) {
      projectInfo.setParentCoordinates(extractParentCoordinates(parent));
    }

    // dependencies
    Map<Dependency, Artifact> lut = createLookupTable(project);
    for (Dependency dependency : mavenParser.getDependencies(project)) {
      DependencyInfo dependencyInfo = getDependencyInfo(dependency);

      Artifact artifact = lut.get(dependency);
      if (artifact != null) {
        File artifactFile = artifact.getFile();
        if (artifactFile != null && artifactFile.exists()) {
          try {
            dependencyInfo.setSha1(ChecksumUtils.calculateSHA1(artifactFile));
          } catch (IOException e) {
            log.warn(WssUtils.logMsg(LOG_COMPONENT, ERROR_SHA1 + " for " + artifact.getId()));
          }
        }
      }

      projectInfo.getDependencies().add(dependencyInfo);
    }

    log.info(
        WssUtils.logMsg(
            LOG_COMPONENT,
            "Total Maven project processing time is "
                + (System.currentTimeMillis() - startTime)
                + " [msec]"));

    return projectInfo;
  }
  private MavenParser configureMavenParser(File workingDirectory) {
    MavenParser mavenParser = new MavenParser();

    File pom = new File(workingDirectory, MavenParser.DEFAULT_MAVEN_POM);
    log.info(WssUtils.logMsg(LOG_COMPONENT, "Parsing Maven POM " + pom.getPath()));
    mavenParser.parseProject(pom);

    return mavenParser;
  }
  @Override
  public Collection<AgentProjectInfo> extract() {
    log.info(WssUtils.logMsg(LOG_COMPONENT, "Collection started"));

    mavenParser = configureMavenParser(checkoutDirectory);

    Collection<MavenProject> projects = new ArrayList<MavenProject>();
    MavenProject mavenProject = mavenParser.getMavenProject();
    projects.add(mavenProject);
    projects.addAll(mavenParser.getModules(mavenProject));

    Collection<AgentProjectInfo> projectInfos = new ArrayList<AgentProjectInfo>();
    // Collect OSS usage information
    for (MavenProject project : projects) {
      if (shouldProcess(project)) {
        projectInfos.add(processProject(project));
      } else {
        log.info(WssUtils.logMsg(LOG_COMPONENT, "skipping " + project.getId()));
      }
    }
    logAgentProjectInfos(projectInfos);

    return projectInfos;
  }