PDFjet for Java is a royalty-free PDF library. Here are some of its features:

Drawing support for:

Points
Lines
Boxes
Circles
Bezier Curves
Polygons
Stars
Complex paths and shapes
Text

Unicode support
Text kerning when using the Helvetica and Times-Roman families of core fonts
Embedding hyperlinks
Support for embedding OpenType and TrueType fonts
Embedding of the following types of images:

PNG
JPEG
BMP
High level components:

Simple to use Table class with flexible reporting capabilities
Flexible Chart component with support for scatter plots and lines
TextColumn component with text kerning and justification support
Support for Code 39 and Code 128 barcodes
Support for PDF417 and QR code 2D barcodes

Only for V.I.P