Examples with PromiseFactory org.osgi.util.promise.PromiseFactory used on opensource projects

Example 1 with PromiseFactory

use of org.osgi.util.promise.PromiseFactory in project bndtools by bndtools.

the class ReposTemplateLoader method findTemplates.

@Override
public Promise<List<Template>> findTemplates(String templateType, final Reporter reporter) {
    String filterStr = String.format("(%s=%s)", NS_TEMPLATE, templateType);
    final Requirement requirement = new CapReqBuilder(NS_TEMPLATE).addDirective(Namespace.REQUIREMENT_FILTER_DIRECTIVE, filterStr).buildSyntheticRequirement();
    // Try to get the repositories and BundleLocator from the workspace
    List<Repository> workspaceRepos;
    BundleLocator tmpLocator;
    try {
        if (workspace == null)
            workspace = Central.getWorkspace();
        workspaceRepos = workspace.getPlugins(Repository.class);
        tmpLocator = new RepoPluginsBundleLocator(workspace.getRepositories());
    } catch (Exception e) {
        workspaceRepos = Collections.emptyList();
        tmpLocator = new DirectDownloadBundleLocator();
    }
    final BundleLocator locator = tmpLocator;
    // Setup the repos
    List<Repository> repos = new ArrayList<>(workspaceRepos.size() + 1);
    repos.addAll(workspaceRepos);
    addPreferenceConfiguredRepos(repos, reporter);
    // Map List<Repository> to Promise<List<Template>>
    Promise<List<Template>> promise = repos.stream().map(repo -> promiseFactory.submit(() -> {
        Map<Requirement, Collection<Capability>> providerMap = repo.findProviders(Collections.singleton(requirement));
        return providerMap.get(requirement).stream().map(cap -> {
            IdentityCapability idcap = ResourceUtils.getIdentityCapability(cap.getResource());
            Object id = idcap.getAttributes().get(IdentityNamespace.IDENTITY_NAMESPACE);
            Object ver = idcap.getAttributes().get(IdentityNamespace.CAPABILITY_VERSION_ATTRIBUTE);
            try {
                String engineName = (String) cap.getAttributes().get("engine");
                if (engineName == null)
                    engineName = "stringtemplate";
                TemplateEngine engine = engines.get(engineName);
                if (engine != null)
                    return new CapabilityBasedTemplate(cap, locator, engine);
                reporter.error("Error loading template from resource '%s' version %s: no Template Engine available matching '%s'", id, ver, engineName);
            } catch (Exception e) {
                reporter.error("Error loading template from resource '%s' version %s: %s", id, ver, e.getMessage());
            }
            return null;
        }).filter(Objects::nonNull).collect(toList());
    })).collect(toPromise(promiseFactory)).map(ll -> ll.stream().flatMap(List::stream).collect(toList()));
    return promise;
}

Example 2 with PromiseFactory

use of org.osgi.util.promise.PromiseFactory in project bndtools by bndtools.

the class ReposTemplateLoader method activate.

@Activate
void activate() {
    if (promiseFactory == null) {
        localExecutor = Executors.newCachedThreadPool();
        promiseFactory = new PromiseFactory(localExecutor);
    }
}

Example 3 with PromiseFactory

use of org.osgi.util.promise.PromiseFactory in project bndtools by bndtools.

the class ExtensionRegistryTemplateLoader method activate.

@Activate
void activate() {
    typeToExtPoint.put("project", "projectTemplates");
    typeToExtPoint.put("workspace", "workspaceTemplates");
    if (promiseFactory == null) {
        localExecutor = Executors.newCachedThreadPool();
        promiseFactory = new PromiseFactory(localExecutor);
    }
}

Example 4 with PromiseFactory

use of org.osgi.util.promise.PromiseFactory in project bndtools by bndtools.

the class GitHubWorkspaceTemplateLoader method findTemplates.

@Override
public Promise<List<Template>> findTemplates(String type, Reporter reporter) {
    if (!TEMPLATE_TYPE.equals(type)) {
        return promiseFactory.resolved(Collections.emptyList());
    }
    GitHub gitHub = new GitHub(cache, promiseFactory);
    Parameters githubRepos = new GitRepoPreferences().getGithubRepos();
    return githubRepos.entrySet().stream().map(entry -> {
        String repo = GitRepoPreferences.removeDuplicateMarker(entry.getKey());
        Attrs attribs = entry.getValue();
        return gitHub.loadRepoDetails(repo).map(detailsDTO -> {
            if (detailsDTO.clone_url == null)
                throw new IllegalArgumentException("Missing clone URL");
            // Generate icon URI from the owner avatar. The s=16 parameter
            // is added to select a 16x16 icon.
            URI avatarUri = null;
            if (detailsDTO.owner.avatar_url != null)
                avatarUri = URI.create(detailsDTO.owner.avatar_url + "&s=16");
            String name = attribs.get("name");
            if (name == null)
                name = repo;
            String branch = attribs.get("branch");
            final GitCloneTemplateParams params = new GitCloneTemplateParams();
            params.cloneUrl = detailsDTO.clone_url;
            if (branch != null)
                params.branch = branch;
            else
                params.branch = "origin/" + detailsDTO.default_branch;
            params.name = name;
            params.category = "GitHub";
            params.iconUri = avatarUri;
            if (detailsDTO.html_url != null) {
                params.helpUri = createHelpUri(repo, detailsDTO.html_url);
            }
            return (Template) new GitCloneTemplate(params);
        });
    }).collect(toPromise(promiseFactory));
}

Example 5 with PromiseFactory

use of org.osgi.util.promise.PromiseFactory in project bndtools by bndtools.

the class PlainGitWorkspaceTemplateLoader method activate.

@Activate
void activate(BundleContext context) {
    iconUrl = context.getBundle().getEntry("icons/git-16px.png");
    if (promiseFactory == null) {
        localExecutor = Executors.newCachedThreadPool();
        promiseFactory = new PromiseFactory(localExecutor);
    }
}