Examples with Resource org.apache.felix.bundlerepository.Resource used on opensource projects

Example 31 with Resource

use of org.apache.felix.bundlerepository.Resource in project felix by apache.

the class DataModelHelperImpl method toXml.

private static void toXml(XmlWriter w, Repository repository) throws IOException {
    SimpleDateFormat format = new SimpleDateFormat("yyyyMMddhhmmss.SSS");
    w.element(RepositoryParser.REPOSITORY).attribute(RepositoryParser.NAME, repository.getName()).attribute(RepositoryParser.LASTMODIFIED, format.format(new Date(repository.getLastModified())));
    if (repository instanceof RepositoryImpl) {
        Referral[] referrals = ((RepositoryImpl) repository).getReferrals();
        for (int i = 0; referrals != null && i < referrals.length; i++) {
            w.element(RepositoryParser.REFERRAL).attribute(RepositoryParser.DEPTH, new Integer(referrals[i].getDepth())).attribute(RepositoryParser.URL, referrals[i].getUrl()).end();
        }
    }
    Resource[] resources = repository.getResources();
    for (int i = 0; resources != null && i < resources.length; i++) {
        toXml(w, resources[i]);
    }
    w.end();
}

Example 32 with Resource

use of org.apache.felix.bundlerepository.Resource in project aries by apache.

the class OBRAriesResolver method getBundleInfo.

@Override
public BundleInfo getBundleInfo(String bundleSymbolicName, Version bundleVersion) {
    Map<String, String> attribs = new HashMap<String, String>();
    // bundleVersion is an exact version - so ensure right version filter is generated
    VersionRange range = ManifestHeaderProcessor.parseVersionRange(bundleVersion.toString(), true);
    attribs.put(Resource.VERSION, range.toString());
    String filterString = ManifestHeaderProcessor.generateFilter(Resource.SYMBOLIC_NAME, bundleSymbolicName, attribs);
    Resource[] resources;
    try {
        resources = repositoryAdmin.discoverResources(filterString);
        if (resources != null && resources.length > 0) {
            return toBundleInfo(resources[0], false);
        } else {
            return null;
        }
    } catch (InvalidSyntaxException e) {
        log.error("Invalid filter", e);
        return null;
    }
}

Example 33 with Resource

use of org.apache.felix.bundlerepository.Resource in project aries by apache.

the class OBRAriesResolver method addPlatformRepositories.

/* A 'platform repository' describes capabilities of the target runtime environment
   * These should be added to the resolver without being listed as coming from a particular 
   * repository or bundle.  
   */
private void addPlatformRepositories(Resolver obrResolver, String appName, PlatformRepository platformRepository) {
    log.debug(LOG_ENTRY, "addPlatformRepositories", new Object[] { obrResolver, appName });
    DataModelHelper helper = repositoryAdmin.getHelper();
    if (platformRepository != null) {
        Collection<URI> uris = platformRepository.getPlatformRepositoryURLs();
        if ((uris != null) && (!uris.isEmpty())) {
            for (URI uri : uris) {
                InputStream is = null;
                try {
                    is = uri.toURL().openStream();
                    Reader repoReader = new InputStreamReader(is);
                    Repository aPlatformRepo = helper.readRepository(repoReader);
                    Resource[] resources = aPlatformRepo.getResources();
                    for (Resource r : resources) {
                        Capability[] caps = r.getCapabilities();
                        for (Capability c : caps) {
                            obrResolver.addGlobalCapability(c);
                        }
                    }
                } catch (Exception e) {
                    // not a big problem
                    log.error(MessageUtil.getMessage("RESOLVER_UNABLE_TO_READ_REPOSITORY_EXCEPTION", new Object[] { appName, uri }));
                } finally {
                    IOUtils.close(is);
                }
            }
        }
    }
    log.debug(LOG_EXIT, "addPlatformRepositories");
}

Example 34 with Resource

use of org.apache.felix.bundlerepository.Resource in project aries by apache.

the class OBRAriesResolver method refineUnsatisfiedRequirements.

/**
 * Refine the unsatisfied requirements ready for later human comsumption
 *
 * @param resolver The resolver to be used to refine the requirements
 * @param reasons The reasons
 * @return A map of the unsatifiedRequirement to the set of bundles that have that requirement unsatisfied (values associated with the keys can be null)
 */
private Map<String, Set<String>> refineUnsatisfiedRequirements(Resolver resolver, Reason[] reasons) {
    log.debug(LOG_ENTRY, "refineUnsatisfiedRequirements", new Object[] { resolver, Arrays.toString(reasons) });
    Map<Requirement, Set<String>> req_resources = new HashMap<Requirement, Set<String>>();
    // add the reasons to the map, use the requirement as the key, the resources required the requirement as the values
    Set<Resource> resources = new HashSet<Resource>();
    for (Reason reason : reasons) {
        resources.add(reason.getResource());
        Requirement key = reason.getRequirement();
        String value = reason.getResource().getSymbolicName() + "_" + reason.getResource().getVersion().toString();
        Set<String> values = req_resources.get(key);
        if (values == null) {
            values = new HashSet<String>();
        }
        values.add(value);
        req_resources.put(key, values);
    }
    // remove the requirements that can be satisifed by the resources. It is listed because the resources are not satisfied by other requirements.
    // For an instance, the unsatisfied reasons are [package a, required by bundle aa], [package b, required by bundle bb] and [package c, required by bundle cc],
    // If the bundle aa exports the package a and c. In our error message, we only want to display package a is needed by bundle aa.
    // Go through each requirement and find out whether the requirement can be satisfied by the reasons.
    Set<Capability> caps = new HashSet<Capability>();
    for (Resource res : resources) {
        if ((res != null) && (res.getCapabilities() != null)) {
            List<Capability> capList = Arrays.asList(res.getCapabilities());
            if (capList != null) {
                caps.addAll(capList);
            }
        }
    }
    Iterator<Map.Entry<Requirement, Set<String>>> iterator = req_resources.entrySet().iterator();
    while (iterator.hasNext()) {
        Map.Entry<Requirement, Set<String>> entry = iterator.next();
        Requirement req = entry.getKey();
        for (Capability cap : caps) {
            if (req.isSatisfied(cap)) {
                // remove the key from the map
                iterator.remove();
                break;
            }
        }
    }
    // Now the map only contains the necessary missing requirements
    Map<String, Set<String>> result = new HashMap<String, Set<String>>();
    for (Map.Entry<Requirement, Set<String>> req_res : req_resources.entrySet()) {
        result.put(req_res.getKey().getFilter(), req_res.getValue());
    }
    log.debug(LOG_EXIT, "refineUnsatisfiedRequirements", new Object[] { result });
    return result;
}

Example 35 with Resource

use of org.apache.felix.bundlerepository.Resource in project aries by apache.

the class OBRAriesResolver method getLocalRepository.

private Repository getLocalRepository(RepositoryAdmin admin) {
    Repository localRepository = repositoryAdmin.getLocalRepository();
    Resource[] resources = localRepository.getResources();
    Resource[] newResources = new Resource[resources.length];
    for (int i = 0; i < resources.length; i++) {
        newResources[i] = new ResourceWrapper(resources[i]);
    }
    return repositoryAdmin.getHelper().repository(newResources);
}