static String getParent()

in src/main/java/org/apache/sling/commons/jcr/file/internal/PathUtil.java [144:183]

• 29 lines of code
• 9 McCabe index (conditional complexity)

    static String getParent(@NotNull String path) {
        if ("/".equals(path)) {
            return null;
        }

        // normalize path (remove . and ..)
        path = normalize(path);

        // if normalized to root, there is no parent
        if (path == null || "/".equals(path)) {
            return null;
        }

        String workspaceName = null;

        final int wsSepPos = path.indexOf(":/");
        if (wsSepPos != -1) {
            workspaceName = path.substring(0, wsSepPos);
            path = path.substring(wsSepPos + 1);
        }

        // find the last slash, after which to cut off
        int lastSlash = path.lastIndexOf('/');
        if (lastSlash < 0) {
            // no slash in the path
            return null;
        } else if (lastSlash == 0) {
            // parent is root
            if (workspaceName != null) {
                return workspaceName + ":/";
            }
            return "/";
        }

        String parentPath = path.substring(0, lastSlash);
        if (workspaceName != null) {
            return workspaceName + ":" + parentPath;
        }
        return parentPath;
    }