public ContentDispositionFilter()

in src/main/java/org/apache/sling/security/impl/ContentDispositionFilter.java [82:140]
46 lines of code
14 McCabe index (conditional complexity)

    public ContentDispositionFilter(final ContentDispositionFilterConfiguration configuration) {

        Set<String> paths = new HashSet<>();
        List<String> pfxs = new ArrayList<>();
        Map<String, Set<String>> contentTypesMap = new HashMap<>();

        // check for null till we upgrade to DS 1.4 (https://osgi.org/bugzilla/show_bug.cgi?id=208)
        if (configuration.sling_content_disposition_paths() != null) {
            for (String path : configuration.sling_content_disposition_paths()) {
                path = path.trim();
                if (path.length() > 0) {
                    int idx = path.indexOf('*');
                    int colonIdx = path.indexOf(":");

                    if (colonIdx > -1 && colonIdx < idx) {
                        // ':'  in paths is not allowed
                        logger.info("wildcard ('*') in content type is not allowed, but found content type with value '{}'", path.substring(colonIdx));
                    } else {
                        String p = null;
                        if (idx >= 0) {
                            if (idx > 0) {
                                p = path.substring(0, idx);
                                pfxs.add(p);
                            } else {
                                // we don't allow "*" - that would defeat the
                                // purpose.
                                logger.info("catch-all wildcard for paths not allowed.");
                            }
                        } else {
                            if (colonIdx > -1) {
                                p = path.substring(0, colonIdx);
                            } else {
                                p = path;
                            }
                            paths.add(p);
                        }
                        if (colonIdx != -1 && p != null) {
                            Set<String> contentTypes = getContentTypes(path.substring(colonIdx + 1));
                            contentTypesMap.put(p, contentTypes);
                        }
                    }

                }
            }
        }
        contentDispositionPaths = paths.isEmpty() ? Collections.emptySet() : paths;
        contentDispositionPathsPfx = pfxs.toArray(new String[0]);
        contentTypesMapping = contentTypesMap.isEmpty() ? Collections.emptyMap() : contentTypesMap;

        enableContentDispositionAllPaths = configuration.sling_content_disposition_all_paths();


        String[] contentDispositionExcludedPathsArray = configuration.sling_content_disposition_excluded_paths() != null ? configuration.sling_content_disposition_excluded_paths() : new String[]{};

        contentDispositionExcludedPaths = new HashSet<>(Arrays.asList(contentDispositionExcludedPathsArray));

        logger.info("Initialized. content disposition paths: {}, content disposition paths-pfx {}, content disposition excluded paths: {}. Enable Content Disposition for all paths is set to {}",
                contentDispositionPaths, contentDispositionPathsPfx, contentDispositionExcludedPaths, enableContentDispositionAllPaths);
    }