jkff / jzran Goto Github PK

What steps will reproduce the problem?
1. I'm using the source code available in the download section.
2.
SeekableInputStream sis = new FileSeekableInputStream(new RandomAccessFile(new 
File("content.zip"), "r"));
RandomAccessGZip.Index index = RandomAccessGZip.index(sis, 1048576);
index.open(sis);
3. new IllegalStateException("Can only call open() once") is thrown in 
net.jzran.RandomAccessGZip.Index.open

What is the expected output? What do you see instead?
Stream should be initialized. IllegalStateException

What version of the product are you using? On what operating system?
WindowsXP 32bit, jzran-0.2-src.zip


Please provide any additional information below.
Suggested fix: 
add this.state = State.VOID; to private Index(List<ZRan.Point> idx, long 
decompressedSize) at line 49 in RandomAccessGZip  

What steps will reproduce the problem?
1. Use the library
2. Discover it is based on native object code
3. ???

What is the expected output? What do you see instead?
I expected java implementation but discovered coupling to native zlib shared 
library.

What version of the product are you using? On what operating system?
0.2

Please provide any additional information below.
The library looks helpful and I believe I can adapt it to my purpose. 
Specifically I may implement custom index points based on occurrence of JSON 
tokens, and a look-ahead cache (provided I can determine optimal method of 
implementation - I haven't done much programming with caches). I am new to java 
so I may not fully understand the implications of interfacing with native code, 
but a pure java implementation might be better. Thoughts?