This week's book giveaway is in the OCAJP forum. We're giving away four copies of OCA Java SE 8 Programmer I Study Guide 1Z0-808 and have Jeanne Boyarsky & Scott Selikoff on-line! See this thread for details.
look into JAXB / JAX-WS, unmarshal your XML directly into the objects generated from xjc. you could wirte adaptors to wrap the generated classes to fit your needs or have constructors in your own classes that take the generated objects as args.