Main {
    public static void main(String args[])
    {{
	// *********************************************************************
	// Check the input arguments
	// *********************************************************************
	String usage = "Usage: java Main XSD-filename Output-directory" +
		       " [Output-code-type(DJ/DemeterJ)]";
	if ((args.length < 2) || (args.length > 3))
	{
	    System.out.println(usage);
	    System.exit(1);
	}

	String xsdFileName = args[0];
	String outputDirectory = args[1];
	String behCodeType = "DemeterJ";
	if (args.length > 2)
	{
	    if (args[2].equalsIgnoreCase("DJ"))
		behCodeType = "DJ";
	    else if (args[2].equalsIgnoreCase("DemeterJ"))
		behCodeType = "DEMETERJ";
	    else
	    {
		System.out.println("Invalid output-code-type: expected DJ or DemeterJ");
		System.out.println(usage);
		System.exit(1);
	    }
	}


	try {
	    // *****************************************************************
	    // Parse the schema-definition file(s) to extract the definitions
	    // *****************************************************************
	    CDDef def = Schema.readDefinition(xsdFileName);

	    // *****************************************************************
	    // Traverse the definition to create the equivalent cd file (to
	    // represent the object structure) and beh files (to implement the
	    // constraints)
	    // *****************************************************************
	    def.generateOutputFiles(outputDirectory, behCodeType);

	    // All done.
	    System.exit(0);
	}
	catch (Exception e) {
	    System.err.println("The conversion resulted in the following errors:");
	    System.err.println(e.getMessage());
	    String contentFileName = Preprocessor.saveSchemaInFile();
	    if (! contentFileName.equals(""))
		System.err.println("\nThe preprocessed schema-definition has been saved in the file: '" + contentFileName + "'.");
	    System.exit(1);
	}
    }}
}