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jacob http://sourceforge.net/projects/jacob-project/
JACOB is a JAVA-COM Bridge that allows you to call COM Automation components from Java. It uses JNI to make native calls to the COM libraries. JACOB runs on x86 and x64 environments supporting 32 bit and 64 bit JVMs
docx4j http://dev.plutext.org/trac/docx4j
docx4j is our library for unzipping a docx "package", and parsing the WordprocessingML XML to create an in-memory representation in Java.
It is available under the Apache License (v2).
This library is used by the plutext collaboration server, and the docx4all editor.
The library is designed to round trip docx files with 100% fidelity, and supports all WordML.
jxl http://jexcelapi.sourceforge.net/
poi http://poi.apache.org/
Aspose.Words http://www.aspose.com/ ¸¶·Ñ²úÆ·
Aspose.Words for Java, it runs on any OS where Java is installed.
It will output the document to DOC, DOCX or RTF if you need an MS Word output format. All are supported equally well.
Using this API you can create a document from scratch, literally from nodes and set their formatting properties. You can also use a DocumentBuilder which provides higher level methods such as create a table row, insert a field etc. Or you can copy/join/move portions between existing pre created document, say you want to assemble a contract, just grab and copy pieces from several documents and Aspose.Words will merge styles, list formatting etc properly in the resulting document.
You will be able to insert a TOC field using Aspose.Words, but as of today, the TOC field will require a field update when the document is opened in Microsoft Word. However, we are going to release full support for TOC fields early in 2010. E.g. it will build complete TOC as MS Word does it.
openoffice http://www.openoffice.org/
officewriter http://officewriter.sof