package org.itx.jspwiki.plugin.network;

import java.net.InetAddress;
import java.util.Map;
import java.util.logging.Level;
import java.util.logging.Logger;

import com.ecyrd.jspwiki.WikiContext;
import com.ecyrd.jspwiki.plugin.PluginException;
import com.ecyrd.jspwiki.plugin.WikiPlugin;
/**
 * 
 * @author D.Yacenko ITx
 *
 */

public class EchoStatus implements WikiPlugin {
	private static Logger log = Logger.getLogger(EchoStatus.class.toString());

	public void prnError(Exception msg, StringBuffer out	) {
		log.log(Level.WARNING, msg.getClass().getName()
				+ " thrown by ping plugin: " + msg.getMessage()); // I18N
		out.append("<div class=\"error\">\n");
		out.append(msg.getClass().getName() + " thrown by ping plugin: "
				+ msg.getMessage()); // I18N
		out.append("</div>\n");
	}

	@SuppressWarnings("unchecked")
	public String execute(WikiContext context, Map params)
			throws PluginException {
		StringBuffer out = new StringBuffer();
		int timeout;
		String address;
		address = (String) params.get("address");
		if (address==null) address="127.0.0.1";
		String s = (String) params.get("timeout");
		if (s != null)
			timeout = Integer.parseInt(s);
		else
			timeout = 800;
		try {
			InetAddress addr = InetAddress.getByName(address);			
			String color="black";
			if(!addr.isReachable(timeout))color="red";
			out.append("<a style='color:"+color+";'>"+address+"</a>");				
		} catch (Exception e) {
			prnError(e,out);
		}
		return out.toString();
	}
}