public Collection findModuleRevisionIds()

in src/java/org/apache/ivy/core/search/SearchEngine.java [331:413]
72 lines of code
16 McCabe index (conditional complexity)

    public Collection<ModuleRevisionId> findModuleRevisionIds(DependencyResolver resolver,
            ModuleRevisionId pattern, PatternMatcher matcher) {
        Collection<ModuleRevisionId> mrids = new ArrayList<>();
        String resolverName = resolver.getName();

        Message.verbose("looking for modules matching " + pattern + " using " + matcher.getName());
        Namespace fromNamespace = null;
        if (resolver instanceof AbstractResolver) {
            fromNamespace = resolver.getNamespace();
        }

        Collection<ModuleEntry> modules = new ArrayList<>();

        OrganisationEntry[] orgs = resolver.listOrganisations();
        if (orgs == null || orgs.length == 0) {
            // hack for resolvers which are not able to list organisation, we try to see if the
            // asked organisation is not an exact one:
            String org = pattern.getOrganisation();
            if (fromNamespace != null) {
                org = NameSpaceHelper.transform(pattern.getModuleId(),
                    fromNamespace.getFromSystemTransformer()).getOrganisation();
            }
            modules.addAll(Arrays.asList(resolver.listModules(new OrganisationEntry(resolver, org))));
        } else {
            Matcher orgMatcher = matcher.getMatcher(pattern.getOrganisation());
            for (OrganisationEntry oe : orgs) {
                String org = oe.getOrganisation();
                String systemOrg = (fromNamespace == null) ? org
                    : NameSpaceHelper.transformOrganisation(org,
                        fromNamespace.getToSystemTransformer());
                if (orgMatcher.matches(systemOrg)) {
                    modules.addAll(Arrays.asList(resolver.listModules(new OrganisationEntry(
                            resolver, org))));
                }
            }
        }
        Message.debug("found " + modules.size() + " modules for " + pattern.getOrganisation()
                + " on " + resolverName);
        boolean foundModule = false;
        for (ModuleEntry mEntry : modules) {

            ModuleId foundMid = new ModuleId(mEntry.getOrganisation(), mEntry.getModule());
            ModuleId systemMid = foundMid;
            if (fromNamespace != null) {
                systemMid = NameSpaceHelper.transform(foundMid,
                    fromNamespace.getToSystemTransformer());
            }

            if (MatcherHelper.matches(matcher, pattern.getModuleId(), systemMid)) {
                // The module corresponds to the searched module pattern
                foundModule = true;
                RevisionEntry[] rEntries = resolver.listRevisions(mEntry);
                Message.debug("found " + rEntries.length + " revisions for ["
                        + mEntry.getOrganisation() + ", " + mEntry.getModule() + "] on "
                        + resolverName);

                boolean foundRevision = false;
                for (RevisionEntry rEntry : rEntries) {
                    ModuleRevisionId foundMrid = ModuleRevisionId.newInstance(
                        mEntry.getOrganisation(), mEntry.getModule(), rEntry.getRevision());
                    ModuleRevisionId systemMrid = foundMrid;
                    if (fromNamespace != null) {
                        systemMrid = fromNamespace.getToSystemTransformer().transform(foundMrid);
                    }

                    if (MatcherHelper.matches(matcher, pattern, systemMrid)) {
                        // We have a matching module revision
                        foundRevision = true;
                        mrids.add(systemMrid);
                    }
                }
                if (!foundRevision) {
                    Message.debug("no revision found matching " + pattern + " in ["
                            + mEntry.getOrganisation() + "," + mEntry.getModule() + "] using "
                            + resolverName);
                }
            }
        }
        if (!foundModule) {
            Message.debug("no module found matching " + pattern + " using " + resolverName);
        }
        return mrids;
    }