Examples with ExtSourceUnsupportedOperationException cz.metacentrum.perun.core.api.exceptions.ExtSourceUnsupportedOperationException used on opensource projects

Example 11 with ExtSourceUnsupportedOperationException

use of cz.metacentrum.perun.core.api.exceptions.ExtSourceUnsupportedOperationException in project perun by CESNET.

the class VosManagerBlImpl method findCandidates.

public List<Candidate> findCandidates(PerunSession sess, Group group, String searchString, List<ExtSource> extSources, boolean filterExistingMembers) {
    List<Candidate> candidates = new ArrayList<>();
    try {
        // Iterate through given extSources
        for (ExtSource source : extSources) {
            try {
                // Info if this is only simple ext source, change behavior if not
                boolean simpleExtSource = true;
                // Get potential subjects from the extSource
                List<Map<String, String>> subjects;
                try {
                    if (source instanceof ExtSourceApi) {
                        // find subjects with all their properties
                        subjects = ((ExtSourceApi) source).findSubjects(searchString);
                        simpleExtSource = false;
                    } else {
                        // find subjects only with logins - they then must be retrieved by login
                        subjects = ((ExtSourceSimpleApi) source).findSubjectsLogins(searchString);
                    }
                } catch (ExtSourceUnsupportedOperationException e1) {
                    log.warn("ExtSource {} doesn't support findSubjects", source.getName());
                    continue;
                } catch (InternalErrorException e) {
                    log.error("Error occurred on ExtSource {},  Exception {}.", source.getName(), e);
                    continue;
                } finally {
                    try {
                        ((ExtSourceSimpleApi) source).close();
                    } catch (ExtSourceUnsupportedOperationException e) {
                    // ExtSource doesn't support that functionality, so silently skip it.
                    } catch (InternalErrorException e) {
                        log.error("Can't close extSource connection.", e);
                    }
                }
                Set<String> uniqueLogins = new HashSet<>();
                for (Map<String, String> s : subjects) {
                    // Check if the user has unique identifier within extSource
                    if ((s.get("login") == null) || (s.get("login") != null && s.get("login").isEmpty())) {
                        log.error("User '{}' cannot be added, because he/she doesn't have a unique identifier (login)", s);
                        // Skip to another user
                        continue;
                    }
                    String extLogin = s.get("login");
                    // check uniqueness of every login in extSource
                    if (uniqueLogins.contains(extLogin)) {
                        throw new InternalErrorException("There are more than 1 login '" + extLogin + "' getting from extSource '" + source + "'");
                    } else {
                        uniqueLogins.add(extLogin);
                    }
                    // Get Candidate
                    Candidate candidate;
                    try {
                        if (simpleExtSource) {
                            // retrieve data about subjects from ext source based on ext. login
                            candidate = new Candidate(getPerunBl().getExtSourcesManagerBl().getCandidate(sess, source, extLogin));
                        } else {
                            // retrieve data about subjects from subjects we already have locally
                            candidate = new Candidate(getPerunBl().getExtSourcesManagerBl().getCandidate(sess, s, source, extLogin));
                        }
                    } catch (CandidateNotExistsException e) {
                        throw new ConsistencyErrorException("findSubjects returned that candidate, but getCandidate cannot find him using login " + extLogin, e);
                    } catch (ExtSourceUnsupportedOperationException e) {
                        throw new InternalErrorException("extSource supports findSubjects but not getCandidate???", e);
                    }
                    if (filterExistingMembers) {
                        try {
                            Vo vo = getPerunBl().getVosManagerBl().getVoById(sess, group.getVoId());
                            getPerunBl().getMembersManagerBl().getMemberByUserExtSources(sess, vo, candidate.getUserExtSources());
                            // Candidate is already a member of the VO, so do not add him to the list of candidates
                            continue;
                        } catch (VoNotExistsException e) {
                            throw new InternalErrorException(e);
                        } catch (MemberNotExistsException e) {
                        // This is OK
                        }
                    }
                    // Add candidate to the list of candidates
                    log.debug("findCandidates: returning candidate: {}", candidate);
                    candidates.add(candidate);
                }
            } catch (InternalErrorException e) {
                log.error("Failed to get candidates from ExtSource: {}", source);
            } finally {
                if (source instanceof ExtSourceSimpleApi) {
                    try {
                        ((ExtSourceSimpleApi) source).close();
                    } catch (ExtSourceUnsupportedOperationException e) {
                    // silently skip
                    } catch (Exception e) {
                        log.error("Failed to close connection to extsource", e);
                    }
                }
            }
        }
        log.debug("Returning {} potential members for group {}", candidates.size(), group);
        return candidates;
    } catch (RuntimeException e) {
        throw new InternalErrorException(e);
    }
}