File list (Check if you may need any files):
codec\data\Buffer.java
.....\....\QRCodeSymbol.java
.....\ecc\BCH15_5.java
.....\...\ReedSolomon.java
.....\.xception\AlignmentPatternEdgeNotFoundException.java
.....\.........\DecodingFailedException.java
.....\.........\FinderPatternNotFoundException.java
.....\.........\IllegalDataBlockException.java
.....\.........\InvalidVersionInformationException.java
.....\.........\SymbolNotFoundException.java
.....\.........\UnsupportedVersionException.java
.....\.........\VersionInformationException.java
.....\geom\Axis.java
.....\....\Line.java
.....\....\Point.java
.....\QRCodeDecoder.java
.....\QRCodeEncoder.java
.....\reader\pattern\AlignmentPattern.java
.....\......\.......\FinderPattern.java
.....\......\QRCodeDataBlockReader.java
.....\......\QRCodeImageReader.java
.....\util\Color.java
.....\....\ContentConverter.java
.....\....\DebugCanvas.java
.....\....\QRCodeUtility.java
.....\reader\pattern
.....\data
.....\ecc
.....\exception
.....\geom
.....\reader
.....\util
codec