The oraxml class provides a command-line interface to validate XML files
java oracle.xml.parser.v2.oraxml options* <filename>
-help Prints the help message
-version Prints the release version
-novalidate Parses the input file to check for well-formedness
-dtd Validates the input file with DTD validation
-schema Validates the input file with Schema validation
-log <logfile> Writes the errors/logs to the output file
-comp Compresses the input xml file
-decomp Decompresses the input compressed file
-enc Prints the encoding of the input file
-warning Show warnings