🚀 go-pugleaf

S.Thanika <thanika@firstecom.com> wrote:
> Hi,

>    I am trying to inflate a data which is Base64 decoded. And it show me the
> following error

> java.util.zip.DataFormatException: incomplete literal/length tree
>  at java.util.zip.Inflater.inflate(Inflater.java:195)
>  at java.util.zip.Inflater.inflate(Inflater.java:212)
>  at
> com.basebean.Visa3DSpec.VisaCompression.decompress(VisaCompression.java:74)
>  at com.basebean.Visa3DSpec.Visa3d.main(Visa3d.java:111)

>     Following is my program
>    public  String decompress(String inStr){
>       byte[] b2 = new byte[inStr.length()];

I'm not certain, but this line may be your problem.  Remember that chars in
Java are two-bytes long.  String.length() is telling you how long the String
is in chars, not bytes.  Your byte array is half the length it needs to be.

Also note that a String type probably isn't the best type to use for storing compressed data, either.  

>       b2 = inStr.getBytes();
>       Inflater decompresser = new Inflater();
>       decompresser.setInput(b2,0,b2.length);
>       int xxxxx =0;
>       try {
>         xxxxx = decompresser.inflate(b2);
>       }
>       catch (Exception e) {
>         System.out.println("decompress exception ...");
>         e.printStackTrace();
>       }
>       System.out.println("decompress ... " + inStr.length() + " out: " +
> xxxxx);
>       decompresser.reset();
>       decompresser.end();
>       String outStr = new String(b2,0,xxxxx);
>       outStr.trim();
>       return outStr;
>     }

>     I have tried using other method of decompression,  and it seem there is
> a problem. I am out of my wits, can anyone help me...


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Joi Ellis (TeamB)               http://www.teamb.com/
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