private RelativeSortedPaths()

in src/main/java/org/apache/commons/io/file/PathUtils.java [161:198]
36 lines of code
10 McCabe index (conditional complexity)

        private RelativeSortedPaths(final Path dir1, final Path dir2, final int maxDepth, final LinkOption[] linkOptions,
                final FileVisitOption[] fileVisitOptions) throws IOException {
            final List<Path> tmpRelativeDirList1;
            final List<Path> tmpRelativeDirList2;
            List<Path> tmpRelativeFileList1 = null;
            List<Path> tmpRelativeFileList2 = null;
            if (dir1 == null && dir2 == null) {
                equals = true;
            } else if (dir1 == null ^ dir2 == null) {
                equals = false;
            } else {
                final boolean parentDirNotExists1 = Files.notExists(dir1, linkOptions);
                final boolean parentDirNotExists2 = Files.notExists(dir2, linkOptions);
                if (parentDirNotExists1 || parentDirNotExists2) {
                    equals = parentDirNotExists1 && parentDirNotExists2;
                } else {
                    final AccumulatorPathVisitor visitor1 = accumulate(dir1, maxDepth, fileVisitOptions);
                    final AccumulatorPathVisitor visitor2 = accumulate(dir2, maxDepth, fileVisitOptions);
                    if (visitor1.getDirList().size() != visitor2.getDirList().size() || visitor1.getFileList().size() != visitor2.getFileList().size()) {
                        equals = false;
                    } else {
                        tmpRelativeDirList1 = visitor1.relativizeDirectories(dir1, true, null);
                        tmpRelativeDirList2 = visitor2.relativizeDirectories(dir2, true, null);
                        if (!equalsIgnoreFileSystem(tmpRelativeDirList1, tmpRelativeDirList2)) {
                            equals = false;
                        } else {
                            tmpRelativeFileList1 = visitor1.relativizeFiles(dir1, true, null);
                            tmpRelativeFileList2 = visitor2.relativizeFiles(dir2, true, null);
                            equals = equalsIgnoreFileSystem(tmpRelativeFileList1, tmpRelativeFileList2);
                        }
                    }
                }
            }
            // relativeDirList1 = tmpRelativeDirList1;
            // relativeDirList2 = tmpRelativeDirList2;
            relativeFileList1 = tmpRelativeFileList1;
            relativeFileList2 = tmpRelativeFileList2;
        }