Modify logs to show target file location

When a file is missing or corrupted,
the log messages do not include the targetted filename.

To make the log messages clearer
without needing users to refer to past logs,
let's update the log message to
include the local path to target file.

src/main/java/seedu/address/MainApp.java

@@ -79,14 +79,17 @@ private Model initModelManager(Storage storage, ReadOnlyUserPrefs userPrefs) {
         try {
             addressBookOptional = storage.readAddressBook();
             if (!addressBookOptional.isPresent()) {
-                logger.info("Data file not found. Will be starting with a sample AddressBook");
+                logger.info("Creating a new data file " + storage.getAddressBookFilePath()
+                        + " populated with a sample AddressBook");
             }
             initialData = addressBookOptional.orElseGet(SampleDataUtil::getSampleAddressBook);
         } catch (DataConversionException e) {
-            logger.warning("Data file not in the correct format. Will be starting with an empty AddressBook");
+            logger.warning("Data file at " + storage.getAddressBookFilePath()
+                    + " might be corrupted or not in the correct format. Will be starting with an empty AddressBook");
             initialData = new AddressBook();
         } catch (IOException e) {
-            logger.warning("Problem while reading from the file. Will be starting with an empty AddressBook");
+            logger.warning("Problem while reading from the file " + storage.getAddressBookFilePath()
+                    + ". Will be starting with an empty AddressBook");
             initialData = new AddressBook();
         }
 
@@ -118,12 +121,12 @@ protected Config initConfig(Path configFilePath) {
         try {
             Optional<Config> configOptional = ConfigUtil.readConfig(configFilePathUsed);
             if (!configOptional.isPresent()) {
-                logger.info("Config file not found. Will be starting with a new default config file.");
+                logger.info("Creating new config file " + configFilePathUsed);
             }
             initializedConfig = configOptional.orElse(new Config());
         } catch (DataConversionException e) {
-            logger.warning("Config file at " + configFilePathUsed + " is not in the correct format. "
-                    + "Using default config properties");
+            logger.warning("Config file " + configFilePathUsed
+                    + " is not in the correct format. Using default config properties");
             initializedConfig = new Config();
         }
 
@@ -143,21 +146,23 @@ protected Config initConfig(Path configFilePath) {
      */
     protected UserPrefs initPrefs(UserPrefsStorage storage) {
         Path prefsFilePath = storage.getUserPrefsFilePath();
-        logger.info("Using prefs file : " + prefsFilePath);
+        logger.info("Using preference file : " + prefsFilePath);
 
         UserPrefs initializedPrefs;
         try {
             Optional<UserPrefs> prefsOptional = storage.readUserPrefs();
             if (!prefsOptional.isPresent()) {
-                logger.info("Prefs file not found. Will be starting with a new default prefs file.");
+                logger.info("Creating new preference file " + prefsFilePath);
             }
             initializedPrefs = prefsOptional.orElse(new UserPrefs());
         } catch (DataConversionException e) {
-            logger.warning("UserPrefs file at " + prefsFilePath + " is not in the correct format. "
-                    + "Using default user prefs");
+            logger.warning(
+                    "Preference file at " + prefsFilePath
+                            + " might be missing or corrupted. Using default preferences");
             initializedPrefs = new UserPrefs();
         } catch (IOException e) {
-            logger.warning("Problem while reading from the file. Will be starting with an empty AddressBook");
+            logger.warning("Problem while reading from preference file " + prefsFilePath
+                    + ". Will be starting with an empty AddressBook");
             initializedPrefs = new UserPrefs();
         }