dxclassloader.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: DxClassLoader.java,v 1.7 2000/10/28 16:55:14 daniela Exp $

package org.ozoneDB.DxLib;


/**
 */
class DxClass extends DxObject {
    final static long serialVersionUID = 1L;
    
    Class clazz;
    DxString name;
    
    
    DxClass( DxString clazzName ) throws ClassNotFoundException{
        name = clazzName;
        clazz = Class.forName( clazzName.toString() );
    }
    
    
    Class clazz() {
        return clazz;
    } 
    
    
    DxString name() {
        return name;
    } 
}


/**
 * 
 * 
 * @author <a href="http://www.softwarebuero.de/">SMB</a>
 * @version $Revision: 1.7 $Date: 2000/10/28 16:55:14 $
 */
public class DxClassLoader extends Object {
    static DxMap clazzes = new DxHashMap();
    
    
    public DxClassLoader() {
    }
    
    
    public static Class classForName( String name ) throws ClassNotFoundException {
        return classForName( new DxString( name ) );
    } 
    
    
    public static Class classForName( DxString name ) throws ClassNotFoundException {
        DxClass c = (DxClass)clazzes.elementForKey( name );
        if (c == null) {
            c = new DxClass( name );
            clazzes.addForKey( c, c.name() );
        } 
        
        return c.clazz();
    } 
    
    
    public static void registerClass( DxString fileName ) {
    } 
}