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* The integers are signed, big endian values. to interact with an application in another language. * A data class that encodes to binary output, e.g. Note that anycodings_encoding creating the binary encoder/decoder in anycodings_encoding the data class itself is a bit ugly anycodings_encoding generally you would use another class anycodings_encoding for that - I hope it suffices for anycodings_encoding demonstration purposes.
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anycodings_encoding using one stream as parent of the other anycodings_encoding stream. These stream can be connected to each anycodings_encoding other by chaining them together, i.e. Then you get for the input (read calls): (binary data encoding) -> (base64 encoding) -> (file output stream) -> įor this you naturally use output anycodings_encoding streams. The important anycodings_encoding part is the direction of the arrows from anycodings_encoding the context of the application on the anycodings_encoding left. Say you anycodings_encoding have an application that operates in a anycodings_encoding textual oriented environment but anycodings_encoding operates on binary data. If that data is encoded in anycodings_encoding base 64 then you first need to decode anycodings_encoding it, so you make sure you decode it anycodings_encoding before treating it as a binary stream. If you want to import your binary data anycodings_encoding from the outside then you would use an anycodings_encoding input stream. If that data needs to anycodings_encoding be encoded in base 64, you make sure you anycodings_encoding send the data to an output stream that anycodings_encoding encodes to base 64. If you want to export your binary data anycodings_encoding to the outside, naturally you would use anycodings_encoding an output stream. So the anycodings_encoding base 64 encoded data is always required anycodings_encoding on the outside and the decoded binary anycodings_encoding data is required on the inside.Īn application generally doesn't perform anycodings_encoding any operations on the base 64 encoded anycodings_encoding data itself it is just needed to anycodings_encoding communicate binary data with another anycodings_encoding application when a text interface is anycodings_encoding required or expected. Base64 is used to anycodings_encoding make binary data - generated or operated anycodings_encoding on by the application - compatible with anycodings_encoding a text based outside environment. Well, yes, you can reverse it, but this anycodings_encoding makes the most sense. Base64EncodeStream implements OutputStream Base64DecodeStream implements InputStream Base64OutputStream // An OutputStream that does Base64 encoding Base64InputStream // An InputStream that does Base64 decoding on the data read through it. Why do common libraries do Base64 encoding anycodings_base64 through an OuputStream and Base64 decoding anycodings_base64 through an InputStream?Įxamples to back up my claims: 64 It anycodings_base64 doesn't seem very difficult to adapt one of anycodings_base64 these decoders to become an InputStream or anycodings_base64 accept an InputStream, but I am wondering if anycodings_base64 there is a valid architectural reason these anycodings_base64 encoders are designed this way. Given that anycodings_base64 so many of these popular and well-written anycodings_base64 libraries align with this api design, I anycodings_base64 assume that there is a reason for this. I am having trouble finding/determining the anycodings_base64 reasoning behind these decisions. One of the common patterns I have anycodings_base64 noticed in all of the popular encoding anycodings_base64 libraries( Guava, 64, anycodings_base64 64 and anycodings_base64 ) is that if the anycodings_base64 library supports encoding with Streams, the anycodings_base64 Encoding is always done through an anycodings_base64 OutputStream and the Decoding is always done anycodings_base64 through an InputStream. I am working on a solution where I am able anycodings_base64 to stream the file through a base64 encoder, anycodings_base64 into the request body of an Http Post anycodings_base64 request. This is cause OOME due to the anycodings_base64 extremely large file size. I have been trying to solve a memory issue anycodings_base64 in a Java program where we are loading an anycodings_base64 entire file into memory, base64 encoding it anycodings_base64 and then using it as a form parameter in a anycodings_base64 post request.