ProxyParser.java

package com.produban.openbus.topologies;

import java.util.List;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import backtype.storm.tuple.Values;
import storm.trident.operation.BaseFunction;
import storm.trident.operation.TridentCollector;
import storm.trident.tuple.TridentTuple;

public class ProxyParser extends BaseFunction{

	/**
	 * 
	 */
	private static final long serialVersionUID = 1L;
	//private static final Logger log = LoggerFactory.getLogger(PostfixParser.class);
	private static final Logger log = LoggerFactory.getLogger(ProxyParser.class);
	public static final char SEPARADOR='\001'; //caracter SOH
	public static Pattern pattern = Pattern.compile("((?<eventTimeStamp>(.{19})) (?<timeTaken>(\\d+)) (?<clientIP>(\\d{1,3}.\\d{1,3}.\\d{1,3}.\\d{1,3})) (?<User>(.*?)) (?<Group>(.*?)) (?<Exception>(.*?)) (?<filterResult>(\\S+)) (?<category>\"?([^\"]*)\"?) (?<referer>(\\S+))\\s+(?<responseCode>(\\d+)) (?<action>(\\S+)) (?<method>(\\S+)) (?<contentType>(\\S+)) (?<protocol>(\\S+)) (?<requestDomain>(\\S+)) (?<requestPort>(\\d+)) (?<requestPath>(\\S+)) (?<requestQuery>(.*?)) (?<requestURIExtension>(\\S+)) (?<userAgent>\"?([^\"]*)\"?) (?<serverIP>(\\d{1,3}.\\d{1,3}.\\d{1,3}.\\d{1,3})) (?<scBytes>(\\d+)) (?<csBytes>(\\d+)) (?<virusID>(\\S+)) (\\S+) (\\S+) (?<destinationIP>(\\d{1,3}.\\d{1,3}.\\d{1,3}.\\d{1,3}))?(.*))");
	
	private String origen;
		
	public ProxyParser(String origen){
		this.origen=origen;
		
	}
	
	@Override
	public void execute(TridentTuple tupla, TridentCollector colector) {
		// TODO Auto-generated method stub
		Matcher matcher=pattern.matcher("");
		/* 		
		if(origen.equals("disco")){
			matcher = pattern.matcher(tupla.getString(0));
		}else{
			matcher = pattern.matcher(new String((byte[]) tupla.toArray()[0]));
		}*/
		List objetos =tupla.getValues();		
		
		if (objetos.get(0) instanceof String){
			matcher = pattern.matcher(tupla.getString(0));
		}else if(objetos.get(0) instanceof byte[]){
			matcher = pattern.matcher(new String((byte[]) tupla.toArray()[0]));
		}
		
		if(matcher.find()){
			
			colector.emit(new Values(
					 matcher.group("eventTimeStamp")
					,matcher.group("timeTaken")
					,matcher.group("clientIP")
					,matcher.group("User")
					,matcher.group("Group")
					,matcher.group("Exception")
					,matcher.group("filterResult")
					,matcher.group("category")
					,matcher.group("referer")
					,matcher.group("responseCode")
					,matcher.group("action")
					,matcher.group("method")
					,matcher.group("contentType")
					,matcher.group("protocol")
					,matcher.group("requestDomain")
					,matcher.group("requestPort")
					,matcher.group("requestPath")
					,matcher.group("requestQuery")
					,matcher.group("requestURIExtension")
					,matcher.group("userAgent")
					,matcher.group("serverIP")
					,matcher.group("scBytes")
					,matcher.group("csBytes")
					,matcher.group("virusID")
					,matcher.group("destinationIP")));
		}
	}

}