editormanager.java

使用stl技术,(还没看,是听说的)

/*  Ogre4J
    Copyright (C) 2002 macross

    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
    License as published by the Free Software Foundation; either
    version 2.1 of the License, or any later version.

    This library is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    Lesser General Public License for more details.

    You should have received a copy of the GNU Lesser General Public
    License along with this library; if not, write to the Free Software
    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
*/
package org.ogre4j.beans;

import java.util.HashMap;

import org.ogre4j.ColourValue;
import org.ogre4j.beans.editor.AbstractEditor;
import org.ogre4j.beans.editor.ColourValueEditor;
import org.ogre4j.beans.editor.FloatEditor;
import org.ogre4j.beans.editor.IntEditor;
import org.ogre4j.beans.editor.StringEditor;
import org.ogre4j.beans.editor.Vector3Editor;
import org.ogre4j.math.Vector3;


/**
 * EditorManager
 * 
 * @author Ivica Aracic <[e-mail]>
 */
public class EditorManager {
    /*
     * singleton
     */
    private static EditorManager singleton = new EditorManager();
    
    public static EditorManager instance() {
        return singleton;
    }
    
    // map
    HashMap editorMap = new HashMap();
    
    private EditorManager() {
        // register known editors
        editorMap.put(int.class.getName(), IntEditor.class.getName());
        editorMap.put(Integer.class.getName(), IntEditor.class.getName());
        editorMap.put(float.class.getName(), FloatEditor.class.getName());
        editorMap.put(Float.class.getName(), FloatEditor.class.getName());
        editorMap.put(Vector3.class.getName(), Vector3Editor.class.getName());
        editorMap.put(ColourValue.class.getName(), ColourValueEditor.class.getName());
        editorMap.put(String.class.getName(), StringEditor.class.getName());
    }
    
    public void registerEditor(String className, String editorClassName) {
        editorMap.put(className, editorClassName);
    }

    public void unregisterEditor(String className) {
        editorMap.remove(className);
    }
    
    public AbstractEditor getEditor(Class clazz) {
        if(clazz==null)
            return null;
                        
        AbstractEditor res;              
        
        String className = clazz.getName();
        String editorClassName = (String)editorMap.get(className);
        
        try { 
            res = (AbstractEditor)Class.forName(editorClassName).newInstance();            
        }
        catch(Exception e) {
            //res = new NullEditor();            
            res = null;
        }
        
        return res;
    }    
}