Examples with IndexResult org.osgi.service.indexer.ResourceIndexer.IndexResult used on opensource projects

Example 1 with IndexResult

use of org.osgi.service.indexer.ResourceIndexer.IndexResult in project bnd by bndtools.

the class InfoRepositoryWrapper method init.

boolean init() {
    try {
        if (System.currentTimeMillis() < lastTime + 10000)
            return true;
    } finally {
        lastTime = System.currentTimeMillis();
    }
    Set<String> errors = new LinkedHashSet<String>();
    try {
        //
        // Get the current repo contents
        //
        Set<String> toBeDeleted = new HashSet<String>(persistent.keySet());
        Map<String, DownloadBlocker> blockers = new HashMap<String, DownloadBlocker>();
        for (InfoRepository repo : repos) {
            Map<String, ResourceDescriptor> map = collectKeys(repo);
            for (final Map.Entry<String, ResourceDescriptor> entry : map.entrySet()) {
                final String id = entry.getKey();
                toBeDeleted.remove(id);
                if (persistent.containsKey(id))
                    continue;
                final ResourceDescriptor rd = entry.getValue();
                DownloadBlocker blocker = new DownloadBlocker(null) {

                    //
                    // We steal the thread of the downloader to index
                    //
                    @Override
                    public void success(File file) throws Exception {
                        IndexResult index = null;
                        try {
                            index = repoIndexer.indexFile(file);
                            ResourceBuilder rb = new ResourceBuilder();
                            for (org.osgi.service.indexer.Capability capability : index.capabilities) {
                                CapReqBuilder cb = new CapReqBuilder(capability.getNamespace());
                                cb.addAttributes(capability.getAttributes());
                                cb.addDirectives(capability.getDirectives());
                                rb.addCapability(cb.buildSyntheticCapability());
                            }
                            for (org.osgi.service.indexer.Requirement requirement : index.requirements) {
                                CapReqBuilder cb = new CapReqBuilder(requirement.getNamespace());
                                cb.addAttributes(requirement.getAttributes());
                                cb.addDirectives(requirement.getDirectives());
                                rb.addRequirement(cb.buildSyntheticRequirement());
                            }
                            Resource resource = rb.build();
                            PersistentResource pr = new PersistentResource(resource);
                            persistent.put(id, pr);
                        } finally {
                            super.success(file);
                            if (index != null) {
                                index.resource.close();
                            }
                        }
                    }
                };
                blockers.put(entry.getKey(), blocker);
                repo.get(rd.bsn, rd.version, null, blocker);
            }
        }
        for (Entry<String, DownloadBlocker> entry : blockers.entrySet()) {
            String key = entry.getKey();
            DownloadBlocker blocker = entry.getValue();
            String reason = blocker.getReason();
            if (reason != null) {
                errors.add(key + ": " + reason);
            }
        }
        persistent.keySet().removeAll(toBeDeleted);
    } catch (Exception e) {
        throw new RuntimeException(e);
    }
    if (!errors.isEmpty())
        throw new IllegalStateException("Cannot index " + repos + " due to " + errors);
    return true;
}