Refactoriser AnalyticsCounter en plusieurs méthodes

[andrechico999]

package com.hemebiotech.analytics;

import java.io.BufferedReader;
import java.io.FileReader;
import java.io.FileWriter;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.TreeMap;

/**
*Class who count and sort symptoms.
*/
public class AnalyticsCounter {

private ISymptomReader reader;
private ISymptomWriter writer;

/**
*constructor of AnalyticsCounter.
*
*@param reader object who read data from a file
*@param writer object who write data into a file
*/
public AnalyticsCounter(ISymptomReader reader, ISymptomWriter writer) {
this.reader = reader;
this.writer = writer;
}

public List getSymptoms() {
return reader.getSymptoms();
}

/**
*Count the numbers of symptoms's occurence.
*
*@param symptoms a list of symptoms in any order
*@return a map of symptoms, in which key = Symptoms, value = number of symptoms
*/
public Map<String, Integer> countSymptoms(List symptoms) {
Map<String, Integer> mapSymptoms = new HashMap<String, Integer>();

for (String s : symptoms) {
  if (mapSymptoms.get(s) == null) {
    mapSymptoms.put(s, 1);
  } else {
    mapSymptoms.put(s,(mapSymptoms.get(s) + 1));
  }
}

return mapSymptoms;

}

/**
*Order a map by natural order.
*
*@param symptoms a map to sort
*@return a map sort by natural order
*/
public Map<String, Integer> sortSymptoms(Map<String, Integer> symptoms) {
Map sortSymptoms = new TreeMap(symptoms);
return sortSymptoms;
}

/**
*Use the writer object to write in a file.
*
*@param symptoms the map to write
*/
public void writeSymptoms(Map<String, Integer> symptoms) {
writer.writeSymptoms(symptoms);
}
}
L ' interface ISymptomWriter est créee et implémentée par la classe WriteSymptomInDataFile