[PROTON-2609] [proton-j] Remove unnecessary ByteBuffer slices and duplicates from the codec

• Type: Improvement
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: proton-j-0.34.0
• Fix Version/s: proton-j-0.35.0
• Component/s: proton-j
• Assignee: Timothy A. Bish
• Reporter: Timothy A. Bish
• Created: 13/Sep/22 17:45
• Updated: 11/Oct/22 20:58
• Resolved: 11/Oct/22 20:58

Description

The internal proton-j codec create several unneeded ByteBuffer slices and duplicates where it could just track buffer position and limits when needed to read byte array data and not create excess GC pressure just to read a Symbol payload or String body etc.