PrEd is a Java-based graphical utility to find and
edit Java property files in JAR, WAR, and other
kinds of ZIP archives. It is an appropriate tool
for customizing Java applications which use XML
and Property files for their configuration. It
provides an interface to edit the property values
of property files and to edit the values of XML
text nodes and attributes. No knowledge of XML is
needed to edit XML files. The program can update
JAR and WAR files without having to extract them.