/**
   * Returns a set of properties for the project. The precedence is: quokka.properties
   * quokka.properties of inherited projects plugin.properties No expansion or ordering of
   * properties is done
   */
  public AnnotatedProperties getProperties() {
    AnnotatedProperties resolvedProperties = new AnnotatedProperties();

    // Add the global defaults
    resolvedProperties.put("quokka.project.targetDir", "${basedir}/target");
    resolvedProperties.put("quokka.project.sourceDir", "${basedir}/src");
    resolvedProperties.put("quokka.project.resourcesDir", "${basedir}/resources");

    // Add artifact related properties
    if (project.getArtifacts().size() > 0) {
      // Add properties common to all (group & version)
      RepoArtifactId artifactId =
          ((Artifact) getProject().getArtifacts().iterator().next()).getId();
      resolvedProperties.put("quokka.project.artifact.group", artifactId.getGroup());
      resolvedProperties.put("quokka.project.artifact.version", artifactId.getVersion().toString());

      // Build up a list of names by type
      Map namesByType = new HashMap();

      for (Iterator i = project.getArtifacts().iterator(); i.hasNext(); ) {
        Artifact artifact = (Artifact) i.next();
        artifactId = artifact.getId();

        List names = (List) namesByType.get(artifactId.getType());

        if (names == null) {
          names = new ArrayList();
          namesByType.put(artifactId.getType(), names);
        }

        names.add(artifactId.getName());
      }

      // Output the names
      for (Iterator i = namesByType.entrySet().iterator(); i.hasNext(); ) {
        Map.Entry entry = (Map.Entry) i.next();
        List names = (List) entry.getValue();
        resolvedProperties.put(
            "quokka.project.artifact.name[" + entry.getKey() + "]",
            Strings.join(names.iterator(), ","));
      }
    }

    // Put the plugin properties in first. Order is not important as plugin properties should be
    // unique to their plugin
    for (Iterator i = resolvedTargets.values().iterator(); i.hasNext(); ) {
      Target target = (Target) i.next();
      AnnotatedProperties targetProperties = target.getDefaultProperties();
      resolvedProperties.putAll(
          applyProfiles(targetProperties, project.getActiveProfiles().getElements()));
    }

    // Put in any properties defined in dependency sets (processed in reverse to ensure high levels
    // override low levels)
    resolveProperties(resolvedProperties, project.getDependencySet());

    resolvedProperties.putAll(
        applyProfiles(project.getProperties(), project.getActiveProfiles().getElements()));

    // Put the project paths as properties
    for (Iterator i = resolvedPaths.entrySet().iterator(); i.hasNext(); ) {
      Map.Entry entry = (Map.Entry) i.next();
      resolvedProperties.put(
          "quokka.project.path." + entry.getKey(),
          toAntPath(getProjectPath((String) entry.getKey(), false, true)).toString());
    }

    return resolvedProperties;
  }
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  private List generateSequence(List projects) {
    DefaultModelFactory factory = new DefaultModelFactory();
    Repository repository = (Repository) getProject().getReference("q.project.repository");
    factory.setRepository(repository);

    // 1st pass: map artifacts generated from each project to a target representing their project
    // files
    Project tempProject = new Project();

    Map targetsByArtifact = new HashMap();
    Map targetsByProject = new HashMap();
    List models = new ArrayList();

    for (Iterator i = projects.iterator(); i.hasNext(); ) {
      File projectFile = (File) i.next();

      // For now, we assume the default profile will contain all dependencies
      ProjectModel model =
          factory.getProjectModel(
              projectFile, Collections.EMPTY_LIST, true, null, new TaskLogger(this), getProject());
      models.add(model);

      // Create a target for each project file
      Target target = new Target();
      target.setName(projectFile.getAbsolutePath());
      tempProject.addTarget(target);
      targetsByProject.put(model.getProject().getProjectFile(), target);

      // Map the artifacts to the target
      for (Iterator j = model.getProject().getArtifacts().iterator(); j.hasNext(); ) {
        Artifact artifact = (Artifact) j.next();
        targetsByArtifact.put(artifact.getId(), target);
      }
    }

    // 2nd pass: Process project dependencies. Where a dependency uses an artifactId found in the
    // 1st pass,
    // set up a dependency between the projects.
    for (Iterator i = models.iterator(); i.hasNext(); ) {
      ProjectModel model = (ProjectModel) i.next();
      Target projectTarget = (Target) targetsByProject.get(model.getProject().getProjectFile());

      Set dependencies = getDependencies(model);

      // Where there is a dependency between projects, mirror it in the targets
      for (Iterator j = dependencies.iterator(); j.hasNext(); ) {
        RepoArtifactId id = (RepoArtifactId) j.next();
        Target dependencyTarget = (Target) targetsByArtifact.get(id);

        if (dependencyTarget != null) {
          projectTarget.addDependency(dependencyTarget.getName());
        }
      }
    }

    // Use ANT's target dependency mechanism to produce a build sequence
    String anyTarget = ((Target) targetsByArtifact.values().iterator().next()).getName();
    Collection sequencedTargets = tempProject.topoSort(anyTarget, tempProject.getTargets());

    // Transform targets into a list of files
    List sequence = new ArrayList();

    for (Iterator i = sequencedTargets.iterator(); i.hasNext(); ) {
      Target seqTarget = (Target) i.next();
      sequence.add(new File(seqTarget.getName()));
    }

    return sequence;
  }
  public void initialise() {
    pathResolver = new Resolver(repository, log);

    // Add ant-types path
    project
        .getDependencySet()
        .addPath(
            new Path(
                "ant-types",
                "Dependencies added to this path are available to ant optional tasks."));

    // Get dependency sets, applying profiles and overrides
    List sets = depthFirst(project.getDependencySet());

    // O pass: aggregate overrides
    for (Iterator i = sets.iterator(); i.hasNext(); ) {
      DependencySet set = (DependencySet) i.next();
      overrides.addAll(set.getOverrides());
    }

    // 1st pass: Define targets, paths, imported URLs
    Map targets = new HashMap();

    for (Iterator i = sets.iterator(); i.hasNext(); ) {
      DependencySet set = (DependencySet) i.next();

      // Get targets
      for (Iterator j = set.getDependencies().iterator(); j.hasNext(); ) {
        Dependency dependency = (Dependency) j.next();

        if (dependency instanceof PluginDependency) {
          resolveTargets(targets, (PluginDependency) dependency);
        }
      }

      // Get paths
      for (Iterator j = set.getPaths().values().iterator(); j.hasNext(); ) {
        addPath((Path) j.next());
      }

      if (set.getImportURL() != null) {
        resolvedImports.add(set.getImportURL());
      }

      // Find the unique names for all declared artifacts
      Set uniqueNames = new HashSet();

      for (Iterator j = project.getArtifacts().iterator(); j.hasNext(); ) {
        Artifact artifact = (Artifact) j.next();
        uniqueNames.add(artifact.getId().getName());
      }

      // Create artifacts for any licenses referenced by files
      for (Iterator j = set.getLicenses().iterator(); j.hasNext(); ) {
        License license = (License) j.next();

        if (license.getFile() != null) {
          Assert.isTrue(
              project.getArtifacts().size() != 0,
              license.getLocator(),
              "There are no artifacts defined for a license to be applied to.");

          Artifact artifact = (Artifact) project.getArtifacts().iterator().next();
          RepoArtifactId id = artifact.getId();

          // If no name is specified, default it to name of the artifact if it is unique,
          // otherwise use the default from the group
          String name = license.getId().getName();
          String defaultName = RepoArtifactId.defaultName(id.getGroup());

          if (name == null) {
            if (uniqueNames.size() == 1) {
              name = (String) uniqueNames.iterator().next();
            } else {
              name = defaultName;
            }
          }

          Artifact licenseArtifact = new Artifact(id.getGroup(), name, "license", id.getVersion());
          licenseArtifact.setDescription(
              "License for " + id.getGroup() + (name.equals(defaultName) ? "" : (":" + name)));
          project.addArtifact(licenseArtifact);
          license.setId(licenseArtifact.getId());
        }
      }
    }

    // 2nd pass: Define default paths specs, add imported targets
    for (Iterator i = sets.iterator(); i.hasNext(); ) {
      DependencySet set = (DependencySet) i.next();

      // Fill in path spec defaults now that the project paths have been defined
      addPathSpecDefaults(set);
    }

    // 3rd pass: Reverse order for build resources
    List reverse = new ArrayList(sets);
    Collections.reverse(reverse);

    for (Iterator i = reverse.iterator(); i.hasNext(); ) {
      DependencySet set = (DependencySet) i.next();
      buildResources.putAll(set.getBuildResources()); // Parent overrides children
    }

    resolvedTargets = targets;
    corePath = resolveCorePath();

    if ("true".equals(antProject.getProperty("quokka.project.overrideCore"))) {
      coreOverrides = getCoreOverrides();
    }
  }