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remove zero from ByteString.fromArray(array())

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0

I am trying to remove zeros from ByteString.fromArray(msgBuf.array()) but I was able to ignore and see the values with out zero by ignoring the bytes logger using ByteString.fromArray(msgBuf.array()).sliceWithKnownBound(0, 91)

But when I return the above with slice the zeros are still at the end of my message

public ByteString marshal(Msg req) 
 MsgOff in=new MsgOff(req.getBase());
 ByteBuffer msgBuf = ByteBuffer.allocate(128); 
 msgBuf.put((byte)0x02);//STX
 msgBuf.put(in.base.getString(2).getBytes());
 msgBuf.put(FS);
 msgBuf.put((byte)0x03);
 return ByteString.fromArray(msgBuf.array());

java akka

share|improve this question

edited Mar 8 at 16:23

Abinash Ghosh

403215

asked Mar 8 at 12:24

PlasteredPlastered

36

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  I am pretty sure that array() is returning the whole allocated buffer no matter how much is occupied, that is, 128 bytes in above case. I would only get bb.position() bytes
  
  – Carlos Heuberger
  Mar 8 at 12:41
  
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  maybe msgBuf.flip() and stackoverflow.com/a/28744228/85421
  
  – Carlos Heuberger
  Mar 8 at 12:47
  

  
  
  
  

add a comment | 

0

I am trying to remove zeros from ByteString.fromArray(msgBuf.array()) but I was able to ignore and see the values with out zero by ignoring the bytes logger using ByteString.fromArray(msgBuf.array()).sliceWithKnownBound(0, 91)

But when I return the above with slice the zeros are still at the end of my message

public ByteString marshal(Msg req) 
 MsgOff in=new MsgOff(req.getBase());
 ByteBuffer msgBuf = ByteBuffer.allocate(128); 
 msgBuf.put((byte)0x02);//STX
 msgBuf.put(in.base.getString(2).getBytes());
 msgBuf.put(FS);
 msgBuf.put((byte)0x03);
 return ByteString.fromArray(msgBuf.array());

java akka

share|improve this question

edited Mar 8 at 16:23

Abinash Ghosh

403215

asked Mar 8 at 12:24

PlasteredPlastered

36

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  I am pretty sure that array() is returning the whole allocated buffer no matter how much is occupied, that is, 128 bytes in above case. I would only get bb.position() bytes
  
  – Carlos Heuberger
  Mar 8 at 12:41
  
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  maybe msgBuf.flip() and stackoverflow.com/a/28744228/85421
  
  – Carlos Heuberger
  Mar 8 at 12:47
  

  
  
  
  

add a comment | 

I am trying to remove zeros from ByteString.fromArray(msgBuf.array()) but I was able to ignore and see the values with out zero by ignoring the bytes logger using ByteString.fromArray(msgBuf.array()).sliceWithKnownBound(0, 91)

But when I return the above with slice the zeros are still at the end of my message

public ByteString marshal(Msg req) 
 MsgOff in=new MsgOff(req.getBase());
 ByteBuffer msgBuf = ByteBuffer.allocate(128); 
 msgBuf.put((byte)0x02);//STX
 msgBuf.put(in.base.getString(2).getBytes());
 msgBuf.put(FS);
 msgBuf.put((byte)0x03);
 return ByteString.fromArray(msgBuf.array());

java akka

share|improve this question

edited Mar 8 at 16:23

Abinash Ghosh

403215

asked Mar 8 at 12:24

PlasteredPlastered

36

public ByteString marshal(Msg req) 
 MsgOff in=new MsgOff(req.getBase());
 ByteBuffer msgBuf = ByteBuffer.allocate(128); 
 msgBuf.put((byte)0x02);//STX
 msgBuf.put(in.base.getString(2).getBytes());
 msgBuf.put(FS);
 msgBuf.put((byte)0x03);
 return ByteString.fromArray(msgBuf.array());

share|improve this question

edited Mar 8 at 16:23

Abinash Ghosh

403215

asked Mar 8 at 12:24

PlasteredPlastered

36

share|improve this question

edited Mar 8 at 16:23

Abinash Ghosh

403215

asked Mar 8 at 12:24

PlasteredPlastered

36

edited Mar 8 at 16:23

Abinash Ghosh

403215

edited Mar 8 at 16:23

Abinash Ghosh

403215

asked Mar 8 at 12:24

PlasteredPlastered

36

asked Mar 8 at 12:24

PlasteredPlastered

36