ruper2/src/java/core/org/krysalis/ruper2/util/chainprocess Handler.java,NONE,1.1 HandlerManager.java,NONE,1.1 HandlerChain.java,NONE,1.1

Update of /cvsroot/metamorphosis/ruper2/src/java/core/org/krysalis/ruper2/util/chainprocess
In directory sc8-pr-cvs1:/tmp/cvs-serv30481/src/java/core/org/krysalis/ruper2/util/chainprocess

Added Files:
	Handler.java HandlerManager.java HandlerChain.java 
Log Message:
Avoid clash with existing Ruper...

--- NEW FILE: Handler.java ---
package org.krysalis.ruper2.util.chainprocess;

import java.util.List;

public interface Handler
{
     List process( final List list);

}

--- NEW FILE: HandlerManager.java ---
package org.krysalis.ruper2.util.chainprocess;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;

import org.krysalis.ruper2.RuperException;


public class HandlerManager
{
	protected Map m_handlerChains;
	protected List m_handlerNameList;
	
	public HandlerManager()
	{
		this.m_handlerChains = new HashMap();
		this.m_handlerNameList = new ArrayList();
	}
	/*
	 * Adds the listeners for adding different handler impl to the handler chain
	 */
	public void addHandlerChain(HandlerChain handlerChain)
	{
		this.m_handlerChains.put(handlerChain.getName(), handlerChain);
		this.m_handlerNameList.add(handlerChain.getName());       
	}

	/*
	 * Prioratize by addding at a certain position
	 */
	public void addHandlerChainAt(int position, HandlerChain handlerChain)
	{
		this.m_handlerChains.put(handlerChain.getName(), handlerChain);
		this.m_handlerNameList.add(position,handlerChain.getName()); 
	}

	public void removeHandlerChain(HandlerChain handlerChain)
	{
		m_handlerChains.remove( handlerChain.getName() );
		this.m_handlerNameList.remove(handlerChain.getName()); 
	}
	
    public List process( final List list )
        throws RuperException
    {
    	List processedList = list;
    	
		Iterator handlerNameIterator = m_handlerNameList.iterator();

		if (handlerNameIterator.hasNext())
		{
			String handlerChainName = (String)handlerNameIterator.next();
			// call the listener execute to see if they want to get added
			HandlerChain handlerChain = (HandlerChain) m_handlerChains.get(handlerChainName);
			processedList = handlerChain.process( list);
		}
		
		return processedList;
    }
    
	/**
	 * @return
	 */
	public List getHandlerChain(String name)
	{
		return (List)m_handlerChains.get(name);
	}


	public HandlerChain getHandlerChain(int index)
	{
		String name = (String)m_handlerNameList.get(index);
		return (HandlerChain)m_handlerChains.get(name);
	}


	/**
	 * @param list
	 */
	public void setHandlerChain(String name, List list)
	{
		m_handlerChains.put(name, list);
	}


	public void addHandler(String name, Handler handler)
	{
		HandlerChain chain = (HandlerChain)m_handlerChains.get(name);
		chain.addHandler(handler);        
	}

	public void removeHandler(String name, Handler handler)
	{
		HandlerChain chain = (HandlerChain)m_handlerChains.get(name);
		chain.removeHandler(handler);        
	}
	
	public List getHandlers(String name)
	{
		HandlerChain chain = (HandlerChain)m_handlerChains.get(name);
		return chain.getHandlers();        
	}

	/**
	 * @param list
	 */
	public void setHandlers(String name,List list)
	{
		HandlerChain chain = (HandlerChain)m_handlerChains.get(name);
		chain.setHandlers(list);        
	}

	
}

--- NEW FILE: HandlerChain.java ---
package org.krysalis.ruper2.util.chainprocess;

import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;

public class HandlerChain 
{
	private String m_name;
	
    /** List of handlers in this chain */
    private List m_handlers = new ArrayList();

	public HandlerChain(String name)
	{
		m_name = name;
	}
	
    public void addHandler(Handler handler)
    {
        m_handlers.add(handler);        
    }

    public void addHandlerAt(int position, Handler handler)
    {
        m_handlers.add(position, handler);
    }

    public List process(final List list)
    {
    	List processedList = new ArrayList(list);
    	
		Iterator handlerIterator = m_handlers.iterator();

        if (handlerIterator.hasNext())
        {
            Handler handler = (Handler) handlerIterator.next();
			processedList = handler.process( processedList );
        }
        
        return processedList;
    }

    public void removeHandler(Handler handler)
    {
        m_handlers.remove( handler );
    }

	/**
	 * @return
	 */
	public List getHandlers()
	{
		return m_handlers;
	}

	/**
	 * @return
	 */
	public String getName()
	{
		return m_name;
	}

	/**
	 * @param list
	 */
	public void setHandlers(List list)
	{
		m_handlers = list;
	}

	/**
	 * @param string
	 */
	public void setName(String string)
	{
		m_name = string;
	}

}




-------------------------------------------------------
This sf.net email is sponsored by:ThinkGeek
Welcome to geek heaven.
http://thinkgeek.com/sf