typehandlerlist.java

cygwin 是一个在windows平台上运行的unix模拟环境

/* TypeHandlerList.java
 * Component: ProperJavaRDP
 * 
 * Revision: $Revision: 1.4 $
 * Author: $Author: telliott $
 * Date: $Date: 2005/09/27 14:15:40 $
 *
 * Copyright (c) 2005 Propero Limited
 *
 * Purpose: 
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or (at
 * your option) any later version.
 * 
 * This program 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
 * General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
 * USA
 * 
 * (See gpl.txt for details of the GNU General Public License.)
 * 
 */
package net.propero.rdp.rdp5.cliprdr;

import java.awt.datatransfer.DataFlavor;
import java.util.ArrayList;
import java.util.Iterator;

import net.propero.rdp.RdpPacket;

public class TypeHandlerList {
	
	ArrayList handlers = new ArrayList();
	private int count;
	
	public TypeHandlerList(){
		count = 0;
	}
	
	
	public void add(TypeHandler t){
		if(t != null){ handlers.add(t); count++; }
	}
	
	public TypeHandler getHandlerForFormat(int format){
		TypeHandler handler = null;
		for(Iterator i = handlers.iterator(); i.hasNext();){
			handler = (TypeHandler)i.next();
			if((handler != null) && handler.formatValid(format)) return handler;
		}
		return null;
	}
	
	public TypeHandlerList getHandlersForMimeType(String mimeType){
		TypeHandlerList outList = new TypeHandlerList();
		
		TypeHandler handler = null;
		for(Iterator i = handlers.iterator(); i.hasNext();){
			handler = (TypeHandler)i.next();
			if(handler.mimeTypeValid(mimeType)) outList.add(handler);
		}
		return outList;
	}
	
	public TypeHandlerList getHandlersForClipboard(DataFlavor[] dataTypes){
		TypeHandlerList outList = new TypeHandlerList();
		
		TypeHandler handler = null;
		for(Iterator i = handlers.iterator(); i.hasNext();){
			handler = (TypeHandler)i.next();
			if(handler.clipboardValid(dataTypes)) outList.add(handler);
		}
		return outList;
	}
	
	public void writeTypeDefinitions(RdpPacket data){
		TypeHandler handler = null;
		for(Iterator i = handlers.iterator(); i.hasNext();){
			handler = (TypeHandler)i.next();
			data.setLittleEndian32(handler.preferredFormat());
			data.incrementPosition(32);
		}
	}
	
	public int count(){
		return count;
	}

	public TypeHandler getFirst() {
		if(count > 0)
			return (TypeHandler) handlers.get(0);
		else return null;
	}
	
	public Iterator iterator(){
		return handlers.iterator();
	}
}