filter.java

JSP聊天系统

package org.ehotsoft.yekki.filter;

public abstract class Filter extends Message
	implements java.io.Serializable {
	
	protected Message message;
	
	public Filter() {
		
		message = new Message();
	}

	public Filter( Message message ) {
		
		this.message = message;
	}

	public String toString() {
		
		content = filter( message.toString() );
		return content;
	}

	abstract protected String filter( String content );
}