test if there is no file for impot for initial observation

src/main/java/species/DiadromousFishGroup.java

@@ -201,9 +201,9 @@ public class DiadromousFishGroup extends AquaNismsGroup<DiadromousFish, RIOBasin
 
 		Map<String, Double> anExcretionRate = new Hashtable<String, Double>();
 		anExcretionRate.put("N", 24.71E-6 * 24); // values from Barber et al, Alosa sapidissima in ug/g wet mass/hour :
-													// convertit en g
+		// convertit en g
 		anExcretionRate.put("P", 2.17E-6 * 24); // values from Barber et al, Alosa sapidissima in ug/g wet mass/hour:
-												// convertit en g
+		// convertit en g
 
 		/*
 		 * A feature pre spawning
@@ -489,31 +489,32 @@ public class DiadromousFishGroup extends AquaNismsGroup<DiadromousFish, RIOBasin
 		Scanner scanner;
 
 		obs1900 = new HashMap<String, Integer>();
-		try {
-			reader = new FileReader(fileNameInputForInitialObservation);
-			// Parsing the file
-			scanner = new Scanner(reader);
-			scanner.useLocale(Locale.ENGLISH); // to have a comma as decimal separator !!!
-			scanner.useDelimiter(Pattern.compile("[;\r]"));
-
-			scanner.nextLine(); // to skip the file first line of headers
-
-			while (scanner.hasNextLine()) {
-				String[] fields = scanner.nextLine().split(",");
-				// System.out.println(Arrays.toString(fields));
-				if (fields.length > 2) {
-					if (!fields[2].isEmpty())
-						obs1900.put(fields[1], Integer.valueOf(fields[2]));
+		if (fileNameInputForInitialObservation.isEmpty()) {
+			try {
+				reader = new FileReader(fileNameInputForInitialObservation);
+				// Parsing the file
+				scanner = new Scanner(reader);
+				scanner.useLocale(Locale.ENGLISH); // to have a comma as decimal separator !!!
+				scanner.useDelimiter(Pattern.compile("[;\r]"));
+
+				scanner.nextLine(); // to skip the file first line of headers
+
+				while (scanner.hasNextLine()) {
+					String[] fields = scanner.nextLine().split(",");
+					// System.out.println(Arrays.toString(fields));
+					if (fields.length > 2) {
+						if (!fields[2].isEmpty())
+							obs1900.put(fields[1], Integer.valueOf(fields[2]));
+					}
 				}
-			}
 
-			reader.close();
-			scanner.close();
+				reader.close();
+				scanner.close();
 
-		} catch (IOException ex) {
-			Logger.getLogger(DiadromousFishGroup.class.getName()).log(Level.SEVERE, null, ex);
+			} catch (IOException ex) {
+				Logger.getLogger(DiadromousFishGroup.class.getName()).log(Level.SEVERE, null, ex);
+			}
 		}
-
 		// defaut values
 		if (targetedAgeForFemaleSpawnerForFirstTime == null)
 			targetedAgeForFemaleSpawnerForFirstTime = 5.5;