LHA compatible archiving library works with Java.

https://jitpack.io/#umjammer/jlha

    LhaFile file = new LhaFile(Paths.get("src/test/resources/test.lzh").toFile());
    Path outDir = Paths.("/foo/bar");
    for (LhaHeader header : file.getEntries()) {
        Files.copy(file.getInputStream(header), Files.newOutputStream(outDir.resolve(header.getPath())));
    }

• version 0.06 -- 2002-12-11

  • Simplified configuration file

• version 0.05 -- 2002-05-17

  • [fix] Due to an error in the decompression routine, some files compressed with -lh4-, -lh5-, -lh6- and -lh7- could not be decompressed properly.

  • [fix] Unable to decompress some files compressed with -lh3- due to a mistake in the decompression routine.

• version 0.04 -- 2002-05-10

  • [add] Introduces a mechanism to improve the compression ratio by devising the Huffman compression unit. (Not used by default)
  • [fix] In LZSS compression routines, did not compress when finding the longest match.
  • [fix] The search routine used for the LZSS compression routine did not slide the text window.
  • [fix] The configuration file was not able to compress and decompress -lh4-, -lh6- and -lh7-

• version 0.03 -- 2002-04-15

  • [add] Compress and decompress -lzs-, -lz5-, -lh1-, -lh2- and -lh3-
  • [fix] In the LZSS compression routine, if the longest match was found near the end of the buffer, the buffer outside was accessed and an ArrayIndexOutOfBoundsException was thrown.

• version 0.01 -- 2001-06

  • First edition
  • [add] -lh4-, -lh5-, -lh6-, -lh7- compression and decompression