odg.java

用Java写的面相对象的数据库管理系统

// You can redistribute this software and/or modify it under the terms of
// the Ozone Library License version 1 published by ozone-db.org.
//
// The original code and portions created by SMB are
// Copyright (C) 1997-2000 by SMB GmbH. All rights reserved.
//
// $Id: ODG.java,v 1.5 2000/10/28 16:55:20 daniela Exp $

package org.ozoneDB.tools.OPP;

import java.io.*;
import org.ozoneDB.DxLib.*;
import org.xml.sax.InputSource;
import org.exolab.castor.xml.Marshaller;
import org.exolab.castor.xml.Unmarshaller;
import org.ozoneDB.tools.OPP.castor.*;


/**
 * Command line driver for the ODG tool.
 * 
 * 
 * @author <a href="http://www.softwarebuero.de/">SMB</a>
 * @version $Revision: 1.5 $Date: 2000/10/28 16:55:20 $
 */
public class ODG {
    
    
    public static void main( String[] args ) {
        boolean quiet = false;
        String outputDirName = "." + File.separator;
        boolean printStackTrace = false;
        
        if (args.length == 0) {
            printUsage();
            System.exit( 0 );
        } 
        
        for (int argCount = 0; argCount < args.length; argCount++) {
            if (args[argCount].equals( "-q" )) {
                quiet = true;
            } else if (args[argCount].equals( "-st" )) {
                printStackTrace = true;
            } else if (args[argCount].equals( "-version" )) {
                //            else  if (args[argCount].startsWith("-p")) {
                //                methodPattern = args[argCount].substring(2);
                //                }
                System.out.println( "$Id: ODG.java,v 1.5 2000/10/28 16:55:20 daniela Exp $" );
                System.exit( 0 );
            } else if (args[argCount].equals( "-h" )) {
                printUsage();
                System.exit( 0 );
            } else if (args[argCount].startsWith( "-o" )) {
                outputDirName = args[argCount].substring( 2 ) + File.separator;
            } else {
                if (args[argCount].startsWith( "-" )) {
                    System.out.println( "Unknown option '" + args[argCount] + "'!\n" );
                    printUsage();
                    System.exit( 0 );
                } else {
                    try {
                        if (args[argCount].endsWith( ".xml" ) || args[argCount].endsWith( ".ocd" )) {
                            OzoneClassDescriptor descriptor = CDHelper.xml2Descriptor( args[argCount] );
                            CDHelper.showDescriptor( descriptor );
                        } else {
                            try {
                                OPPHelper.progressMsg( args[argCount] + ":", quiet );
                                
                                Class cl = Class.forName( args[argCount] );
                                PrintWriter out = 
                                        new PrintWriter( new FileOutputStream( outputDirName + OPPHelper.rawClassName(
                                        cl ) + ".ocd" ), true );
                                // out.println ("<!-- Ozone Class Descriptor generated by ozone's odg tool. -->");
                                // out.println ("");
                                CDHelper.class2xml( cl, out, quiet );
                            } catch (ClassNotFoundException e) {
                                System.out.println( args[argCount] + ": class not found." );
                            } 
                        } 
                    } catch (Exception e) {
                        System.out.println( "Error: " + e.toString() );
                        if (printStackTrace) {
                            e.printStackTrace( System.out );
                        } 
                    } 
                } 
            } 
        } 
    } 
    
    
    public static void printUsage() {
        System.out.println( "Ozone Descriptor Generator" );
        System.out.println( "usage: [-st] [-p<pattern>] [-q] [-h] [-o<directory>] class [class]*" );
        System.out.println( "   -st       print stack trace" );
        System.out.println( "   -p        regular expression to specify update methods (not implemented)" );
        System.out.println( "   -q        supress output of any messages" );
        System.out.println( "   -o        out/input directory for class files and sources" );
        System.out.println( "   -version  shows version information" );
        System.out.println( "   -h        shows this help" );
    } 
    
}