GroupDocs.Assembly for Java API helps you rapidly develop document automation and reporting applications in Java to generate custom reports from templates without installing any external software. The report generation engine fetches data from the template document, assembles it and generates reports in the specified output format according to the defined syntax. It allows you to configure and insert formatting properties of template elements dynamically and supports various data sources (JSON, XML, OData, databases, CSV, spreadsheet as table of data, word processing table as table of data and databases) to retrieve data from.

The document assembly library recognizes multiple document formats and allows you to create templates in all supported file types such as PDF, HTML, Outlook email, Microsoft Office Word, Excel worksheets, PowerPoint presentations and text. It supports LINQ-based template syntax and users can also configure and insert formatting properties of template elements dynamically.

GroupDocs.Assembly for Java is easy to integrate with new or existing java applications. It is highly compatible with all Java versions and supports popular operating systems (Windows, Linux, MacOS) that are capable to run Java runtime.