package webraveler.plugin;

import java.util.*;

import webraveler.html.HTMLPage2;
import webraveler.http.HTTPRequest;
import webraveler.ravel.PluginAPI;
import webraveler.ravel.RavelerError;
import webraveler.ravel.RavelerErrorException;
import webraveler.ravel.RavelerWarning;


/**
 * @author Web Raveler2 Development Squad
 *
 * A simple plugin to test RavelerError and RavelerWarning
 */
public class ErrorPlugin extends webraveler.ravel.RavelerPlugin {

	String uriString;
	
	/**
	 * 
	 */
	public ErrorPlugin() {
		name = "ErrorPlugin";
		mimeTypes.add("text/html");
	}
	/**
	 * 
	 */
	public boolean initialize() {
		return true;
	}
	
	/**
	 * 
	 */
	public void setDefaultAttributes() {
		attributes = new Hashtable();
	}
	
	/**
	 *
	 */
	public HTTPRequest execute(HTTPRequest request, Hashtable attributes) {
		uriString = request.uriString();
		
		return request;
	}
	
	public webraveler.http.HTTPResponse execute(webraveler.http.HTTPResponse response, Hashtable configuration) throws webraveler.ravel.RavelerWarningException, webraveler.ravel.RavelerErrorException {
		//Just test error/warning handling abilities
		HTMLPage2 htmlpage = response.getHtmlPage();
		htmlpage.insertAtTop("<p>ErrorPlugin: Trying to modify response...</p>");
		Hashtable headers = new Hashtable();
		headers.put("content-type","text/html");
		webraveler.http.HTTPResponse modResponse = new webraveler.http.HTTPResponse("HTTP/1.0",200,"OK",htmlpage,headers);
		/* Construct a RavelerError */
		RavelerError err = new RavelerError(100);
		PluginAPI.printError(ravel,name,err,uriString);
		throw new RavelerErrorException(err);
//		/* Construct a RavelerWarning */
//		webraveler.ravel.RavelerWarning warn = new RavelerWarning(100);
//		PluginAPI.printWarning(ravel,name,warn,uriString);
//		throw new webraveler.ravel.RavelerWarningException(warn,modResponse);
	}

	/**
	 * 
	 */
	public void terminate() {
		
	}
	
	
}