public static boolean directoryAndFileContentEquals()

in src/main/java/org/apache/commons/io/file/PathUtils.java [635:665]

28 lines of code
11 McCabe index (conditional complexity)


    public static boolean directoryAndFileContentEquals(final Path path1, final Path path2, final LinkOption[] linkOptions, final OpenOption[] openOptions,
        final FileVisitOption[] fileVisitOption) throws IOException {
        // First walk both file trees and gather normalized paths.
        if (path1 == null && path2 == null) {
            return true;
        }
        if (path1 == null || path2 == null) {
            return false;
        }
        if (notExists(path1) && notExists(path2)) {
            return true;
        }
        final RelativeSortedPaths relativeSortedPaths = new RelativeSortedPaths(path1, path2, Integer.MAX_VALUE, linkOptions, fileVisitOption);
        // If the normalized path names and counts are not the same, no need to compare contents.
        if (!relativeSortedPaths.equals) {
            return false;
        }
        // Both visitors contain the same normalized paths, we can compare file contents.
        final List<Path> fileList1 = relativeSortedPaths.relativeFileList1;
        final List<Path> fileList2 = relativeSortedPaths.relativeFileList2;
        for (final Path path : fileList1) {
            final int binarySearch = Collections.binarySearch(fileList2, path);
            if (binarySearch <= -1) {
                throw new IllegalStateException("Unexpected mismatch.");
            }
            if (!fileContentEquals(path1.resolve(path), path2.resolve(path), linkOptions, openOptions)) {
                return false;
            }
        }
        return true;
    }