public String writeSitemap()

in src/main/java/org/apache/sling/sitemap/impl/SitemapStorage.java [228:277]
44 lines of code
7 McCabe index (conditional complexity)

    public String writeSitemap(@NotNull Resource sitemapRoot, @NotNull String name, @NotNull InputStream data,
            int index, int size, int entries) throws IOException {
        if (index < 1) {
            throw new IllegalArgumentException("only unsigned integer greater then zero permitted");
        }

        String sitemapFilePath = getSitemapFilePath(sitemapRoot, name);
        String statePath = sitemapFilePath + STATE_EXTENSION;
        sitemapFilePath += index > 1 ? "-" + index + XML_EXTENSION : XML_EXTENSION;
        try (ResourceResolver resolver = resourceResolverFactory.getServiceResourceResolver(AUTH)) {
            String sitemapFileName = ResourceUtil.getName(sitemapFilePath);
            Resource folder = getOrCreateFolder(resolver, ResourceUtil.getParent(sitemapFilePath));

            Resource sitemapResource = folder.getChild(sitemapFileName);

            if (sitemapResource == null) {
                Map<String, Object> properties = new HashMap<>(3);
                properties.put(JcrConstants.JCR_PRIMARYTYPE, JcrConstants.NT_UNSTRUCTURED);
                properties.put(JcrConstants.JCR_LASTMODIFIED, Calendar.getInstance());
                properties.put(JcrConstants.JCR_DATA, data);
                properties.put(PN_SITEMAP_NAME, name);
                properties.put(PN_SITEMAP_FILE_INDEX, index);
                properties.put(PN_SITEMAP_ENTRIES, entries);
                properties.put(PN_SITEMAP_SIZE, size);
                properties.put(PN_RESOURCE_TYPE, RT_SITEMAP_FILE);
                sitemapResource = resolver.create(folder, sitemapFileName, properties);
            } else {
                ModifiableValueMap properties = sitemapResource.adaptTo(ModifiableValueMap.class);
                if (properties == null) {
                    throw new IOException("Cannot overwrite existing sitemap at: " + sitemapFilePath);
                }
                properties.put(JcrConstants.JCR_LASTMODIFIED, Calendar.getInstance());
                properties.put(JcrConstants.JCR_DATA, data);
                properties.put(PN_SITEMAP_ENTRIES, entries);
                properties.put(PN_SITEMAP_SIZE, size);
            }

            Resource stateResource = resolver.getResource(statePath);
            if (stateResource != null) {
                resolver.delete(stateResource);
            }

            resolver.commit();
            eventAdmin.postEvent(newUpdateEvent(newSitemapStorageInfo(sitemapResource), sitemapRoot));
        } catch (LoginException | PersistenceException ex) {
            throw new IOException("Cannot create sitemap at " + sitemapFilePath, ex);
        }

        return sitemapFilePath;
    }