/*
* @(#)$Id: Driver.java 1247 2001-10-23 00:54:30Z Bear $
*
* Copyright 2001 Sun Microsystems, Inc. All Rights Reserved.
*
* This software is the proprietary information of Sun Microsystems, Inc.
* Use is subject to license terms.
*
*/
package com.sun.msv.writer.trex;
import com.sun.msv.reader.util.GrammarLoader;
import com.sun.msv.driver.textui.DebugController;
import com.sun.msv.grammar.Grammar;
import java.io.PrintWriter;
import org.apache.xml.serialize.OutputFormat;
import org.apache.xml.serialize.XMLSerializer;
import org.apache.xerces.jaxp.SAXParserFactoryImpl;
/**
* converts any supported languages into the equivalent TREX grammar.
*
* @author <a href="mailto:kohsuke.kawaguchi@eng.sun.com">Kohsuke KAWAGUCHI</a>
*/
public class Driver {
public static void main( String[] args ) throws Exception {
if( args.length!=1 ) {
System.out.println( localize(MSG_USAGE) );
return;
}
// use Xerces. Since we are using Xerces to serialize XML,
// it is a good idea to use Xerces for parsing, too.
SAXParserFactoryImpl factory = new SAXParserFactoryImpl();
factory.setNamespaceAware(true);
// load a grammar.
Grammar g = GrammarLoader.loadSchema(
args[0],
new DebugController( false,false, System.err ),
factory );
if( g==null ) {
System.err.println(localize(MSG_GRAMMAR_ERROR));
return;
}
TREXWriter writer = new TREXWriter();
// use XMLSerializer of Apache to serialize SAX event into plain text.
// OutputFormat specifies "pretty printing".
writer.setDocumentHandler(
new XMLSerializer( new PrintWriter(System.out),
new OutputFormat("xml",null,true) ) );
// visit TREXGrammar and generate its XML representation.
writer.write( g );
}
public static String localize( String propertyName, Object[] args ) {
String format = java.util.ResourceBundle.getBundle(
"com.sun.msv.writer.relaxng.Messages").getString(propertyName);
return java.text.MessageFormat.format(format, args );
}
public static String localize( String prop ) {
return localize(prop,null);
}
public static String localize( String prop, Object arg1 ) {
return localize(prop,new Object[]{arg1});
}
public static String localize( String prop, Object arg1, Object arg2 ) {
return localize(prop,new Object[]{arg1,arg2});
}
private static final String MSG_USAGE = // arg:0
"Driver.Usage";
private static final String MSG_GRAMMAR_ERROR = // arg:0
"Driver.GrammarError";
}