source: src/main/java/agents/anac/y2013/MetaAgent/parser/nn/NNParser.java

package agents.anac.y2013.MetaAgent.parser.nn;

import java.io.BufferedReader;
import java.io.FileReader;
import java.util.HashMap;
import java.util.Vector;

public class NNParser {
        String []sections;
        HashMap<Integer,String>vars;
        Vector<Arrow>arrows;
        int length;
        int lastNodeID;
        public NNParser(String fileName) {
                sections=readFile(fileName);
                for (int i = 0; i < sections.length; i++) {
                        sections[i]=sections[i].trim();
                }
                parseVars(sections[1]);
                arrows=new Vector<Arrow>();
                parseArrows(sections[2].split("\n"),sections[3].split("\n"));
        }
        
        private void parseArrows(String[] weightsS, String[] sourcesS) {
                length++;
                HashMap<Integer,Double> weights=new HashMap<Integer,Double>();
                for (int i = 0; i < weightsS.length; i++) {
                        String[] s2=weightsS[i].replace("\"", "").split(",");
                        Integer id=Integer.parseInt(s2[0]);
                        Double w=Double.parseDouble(s2[1]);
                        weights.put(id,w);
                }
                for (int i = 0; i < 4; i++) {
                        for (int j = 0; j < length; j++) {
                                String[] s2=sourcesS[i*length+j].replace("\"", "").split(",");
                                int from=Integer.parseInt(s2[1]);
                                Integer wID=Integer.parseInt(s2[0]);
                                double w=weights.get(wID);
                                arrows.add(new Arrow(from, i+12, w));
                        }
                }
                int i=length*4;
                
                for (int j = 0; j <5; j++) {
                        String[] s2=sourcesS[i+j].replace("\"", "").split(",");
                        int from=Integer.parseInt(s2[1]);
                        Integer wID=Integer.parseInt(s2[0]);
                        double w=weights.get(wID);
                        arrows.add(new Arrow(from, lastNodeID, w));
                }
        }

        private void parseVars(String varsString) {
                vars=new HashMap<Integer,String>();
                String [] varsS=varsString.split("\n");
                length=varsS.length;
                for (int i = 0; i < varsS.length; i++) {
                        parseVar(varsS[i]);
                }
                int length=varsS.length;
                for (int i = 1; i < 6; i++) {
                        vars.put(i+length, "V"+(i+length));
                }
                lastNodeID=vars.size();
        }

        private void parseVar(String s) {
                s=s.replace("\"","");
                String []s2=s.split(",");
                Integer id=Integer.parseInt(s2[0]);
                String name=s2[1];
                vars.put(id,name);
        }

        private String[] readFile(String fileName) {
                String text="";
                try {
                        BufferedReader br = new BufferedReader(new FileReader(fileName));
                        StringBuilder sb = new StringBuilder();
                        String line = br.readLine();
                        while (line != null) {
                            sb.append(line);
                            sb.append("\n");
                            line = br.readLine();
                        }
                         text= sb.toString();
                        br.close();
                    }catch(Exception e){
                        e.printStackTrace();
                    }
                return text.trim().split("\"x\"");
        }
}