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Webmaster Forum / Flash / Data Integration / September 2007Uncompressing socket data from Java
Has anyone had any luck sending compressed data from java to flash using the flash.net.Socket class? I am compressing the data on the java side using the Deflator class which uses zlib compression. Trying to uncompress using ByteArray.uncompress() and it is failing and throwing an exception saying unable to uncompress. I would like to find a compression algorithm in java that matches the one used by ByteArray.uncompress. I'm have the same problem exactly. Replace Java Deflater with Python zlib module. I now have it working - the problem was due to the fact that the data is buffered and sent through in chunks. I had to send through the number of bytes first, followed by the compressed data. The flash code then appends to a byte array until it has read all of the bytes and only decompresses when all bytes have been read. Buffering of data sent over a socket is controlled by the op sys I think and you can't easily change the buffer size. The other way you could do it is to append an end token to the compressed data before sending. The flash code would then keep adding to the ByteArray until it finds the end token. |
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