Examples with StreamProvider org.apache.karaf.features.internal.download.StreamProvider used on opensource projects

Example 6 with StreamProvider

use of org.apache.karaf.features.internal.download.StreamProvider in project karaf by apache.

the class VerifyMojo method loadRepositories.

public Map<String, Features> loadRepositories(DownloadManager manager, Set<String> uris) throws Exception {
    final Map<String, Features> loaded = new HashMap<>();
    final Downloader downloader = manager.createDownloader();
    FeaturesServiceConfig config = null;
    if (featureProcessingInstructions != null) {
        config = new FeaturesServiceConfig(featureProcessingInstructions.toURI().toString(), null);
    } else {
        config = new FeaturesServiceConfig();
    }
    FeaturesProcessorImpl processor = new FeaturesProcessorImpl(config);
    if (blacklistedDescriptors != null) {
        blacklistedDescriptors.forEach(lp -> processor.getInstructions().getBlacklistedRepositoryLocationPatterns().add(new LocationPattern(lp)));
    }
    processor.getInstructions().getBlacklistedRepositoryLocationPatterns().add(new LocationPattern("mvn:" + selfGroupId + "/" + selfArtifactId));
    for (String repository : uris) {
        if (!processor.isRepositoryBlacklisted(repository)) {
            downloader.download(repository, new DownloadCallback() {

                @Override
                public void downloaded(final StreamProvider provider) throws Exception {
                    synchronized (loaded) {
                        // If provider was already loaded, no need to do it again.
                        if (loaded.containsKey(provider.getUrl())) {
                            return;
                        }
                    }
                    try (InputStream is = provider.open()) {
                        Features featuresModel;
                        if (JacksonUtil.isJson(provider.getUrl())) {
                            featuresModel = JacksonUtil.unmarshal(provider.getUrl());
                        } else {
                            featuresModel = JaxbUtil.unmarshal(provider.getUrl(), is, false);
                        }
                        processor.process(featuresModel);
                        synchronized (loaded) {
                            loaded.put(provider.getUrl(), featuresModel);
                            for (String innerRepository : featuresModel.getRepository()) {
                                if (!processor.isRepositoryBlacklisted(innerRepository)) {
                                    downloader.download(innerRepository, this);
                                }
                            }
                        }
                    }
                }
            });
        }
    }
    downloader.await();
    return loaded;
}