Collapse exceptions and assigned error Message on RepositoryErrorBundle class.

Author: android10

data/src/main/java/com/fernandocejas/android10/sample/data/cache/FileManager.java

@@ -19,7 +19,6 @@
 import android.content.SharedPreferences;
 import java.io.BufferedReader;
 import java.io.File;
-import java.io.FileNotFoundException;
 import java.io.FileReader;
 import java.io.FileWriter;
 import java.io.IOException;
@@ -48,12 +47,8 @@ public void writeToFile(File file, String fileContent) {
         FileWriter writer = new FileWriter(file);
         writer.write(fileContent);
         writer.close();
-      } catch (FileNotFoundException e) {
-        e.printStackTrace();
       } catch (IOException e) {
         e.printStackTrace();
-      } finally {
-
       }
     }
   }
@@ -78,8 +73,6 @@ public String readFileContent(File file) {
         }
         bufferedReader.close();
         fileReader.close();
-      } catch (FileNotFoundException e) {
-        e.printStackTrace();
       } catch (IOException e) {
         e.printStackTrace();
       }
@@ -105,12 +98,14 @@ public boolean exists(File file) {
    *
    * @param directory The directory which its content will be deleted.
    */
-  public void clearDirectory(File directory) {
+  public boolean clearDirectory(File directory) {
+    boolean result = false;
     if (directory.exists()) {
       for (File file : directory.listFiles()) {
-        file.delete();
+        result = file.delete();
       }
     }
+    return result;
   }
 
   /**

data/src/main/java/com/fernandocejas/android10/sample/data/exception/RepositoryErrorBundle.java

@@ -16,6 +16,7 @@
 package com.fernandocejas.android10.sample.data.exception;
 
 import com.fernandocejas.android10.sample.domain.exception.ErrorBundle;
+import com.fernandocejas.frodo.core.strings.Strings;
 
 /**
  * Wrapper around Exceptions used to manage errors in the repository.
@@ -35,9 +36,9 @@ public Exception getException() {
 
   @Override
   public String getErrorMessage() {
-    String message = "";
+    String message = Strings.EMPTY;
     if (this.exception != null) {
-      this.exception.getMessage();
+      message = this.exception.getMessage();
     }
     return message;
   }