Use Excel to combine multiple data sources in XML documents by creating a map in a spreadsheet that contains the predefined table information.

An XML element attribute is a tag property that adds additional information to XML data. You can use the Java JDOM classes to read the XML data including the element's attribute property.

Use Java to encapsulate it with a few simple classes. You will then leverage a host of legacy system transactions written decades ago and format them into an XML document.