PROBLEM-2076: Add log for read value from persisted configuration

SalsaUtils/src/main/java/fr/soleil/salsa/preferences/DevicePreferencesPersistence.java

@@ -88,6 +88,7 @@ public class DevicePreferencesPersistence {
             fabrique.setAttribute(XMLConstants.ACCESS_EXTERNAL_DTD, ""); // Compliant
             fabrique.setAttribute(XMLConstants.ACCESS_EXTERNAL_SCHEMA, ""); // compliant
             DocumentBuilder constructeur = fabrique.newDocumentBuilder();
+            LOGGER.debug("Load devices preferences from \"{}\"", preferenceFilePath);
             File f = new File(preferenceFilePath);
             Document d = constructeur.parse(f);
             NodeList elements = d.getElementsByTagName("add");
@@ -98,6 +99,7 @@ public class DevicePreferencesPersistence {
                 Element e = (Element) elements.item(i);
                 String k = e.getAttribute("key");
                 String v = e.getTextContent();
+                LOGGER.debug("Set devices preferences value of \"{}\" to \"{}\"", k, v);
 
                 if (PreferenceItem.DataFitter.name().equals(k)) {
                     devicePreferences.setDataFitter(v);
@@ -110,12 +112,7 @@ public class DevicePreferencesPersistence {
                 } else if (PreferenceItem.Publisher.name().equals(k)) {
                     devicePreferences.setPublisher(v);
                 } else if (PreferenceItem.MaxLineNumber.name().equals(k)) {
-                    try {
-                        Integer mln = Integer.parseInt(v);
-                        devicePreferences.setMaxLineNumber(mln);
-                    } catch (NumberFormatException exc) {
-                        LOGGER.debug("Cannot parse Max Line Number in preference file: {}", exc.getMessage());
-                    }
+                    setMaxLineNumber(devicePreferences, v);
                 } else if (PreferenceItem.RecordingManager.name().equals(k)) {
                     devicePreferences.setRecordingManager(v);
                 } else if (PreferenceItem.RecordingManagerProfil.name().equals(k)) {
@@ -142,6 +139,15 @@ public class DevicePreferencesPersistence {
         return devicePreferences;
     }
 
+    private static void setMaxLineNumber(DevicePreferences devicePreferences, String v) {
+        try {
+            Integer mln = Integer.parseInt(v);
+            devicePreferences.setMaxLineNumber(mln);
+        } catch (NumberFormatException exc) {
+            LOGGER.debug("Cannot parse Max Line Number in preference file: {}", exc.getMessage());
+        }
+    }
+
     /**
      * Save preferences on file system.
      *