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")));
	}
    }

}