PDFBox is an open source Java PDF library for working with PDF documents. This project allows creation of new PDF documents, manipulation of existing documents and the ability to extract content from documents. PDFBox also includes several command line utilities.
Features
* PDF to text extraction
* Merge PDF Documents
* PDF Document Encryption/Decryption
* Lucene Search Engine Integration
* Fill in form data FDF and XFDF
* Create a PDF from a text file
* Create images from PDF pages
* Print a PDF
Compass is a first class open source Java Search Engine Framework, enabling the power of Search Engine semantics to your application stack decoratively. Built on top of the amazing Lucene Search Engine, Compass integrates seamlessly to popular development frameworks like Hibernate and Spring. It provides search capability to your application data model and synchronizes changes with the datasource. With Compass: write less code, find data quicker.