flag to configure printing of errors in FileController

Author: br-arruda

src/main/java/com/brunoarruda/hyperdcpabe/Client.java

@@ -95,7 +95,7 @@ public String toString() {
     private Map<String, Map<String, PublicKey>> publishedAttributes;
 
     public Client() {
-        fc = FileController.getInstance().configure(DATA_PATH);
+        fc = FileController.getInstance().configure(DATA_PATH, false);
         this.server = new ServerConnection(SERVER_PORT);
         ObjectNode clientData = (ObjectNode) fc.loadAsJSON(getClientDirectory(), "clientData.json");
         if (clientData != null) {
@@ -115,7 +115,7 @@ public Client() {
     }
 
     public Client(String networkURL, String adminName, String adminEmail, String adminPrivateKey) {
-        fc = FileController.getInstance().configure(DATA_PATH);
+        fc = FileController.getInstance().configure(DATA_PATH, false);
         this.server = new ServerConnection(SERVER_PORT);
         this.blockchain = new BlockchainConnection(networkURL);
         gp = DCPABE.globalSetup(160);
@@ -327,7 +327,6 @@ public void encrypt(String file, String policy, String[] authorities) {
             }
             AccessStructure as = AccessStructure.buildFromPolicy(policy);
             Message m = DCPABE.generateRandomMessage(gp);
-            System.out.println("MESSAGE 358: " + Arrays.toString(m.getM()));
             CiphertextJSON ct = new CiphertextJSON(DCPABE.encrypt(m, as, gp, pks));
             String path = fc.getUserDirectory(user);
             r = new Recording(path, file, ct);
@@ -346,7 +345,6 @@ public void decrypt(String file) {
         Message m = null;
         try {
             m = DCPABE.decrypt(r.getCiphertext(), user.getABEKeys(), gp);
-            System.out.println("MESSAGE 377: " + Arrays.toString(m.getM()));
         } catch (IllegalArgumentException e) {
             String msg = "Client - Could not decrypt the file %s. Attributes not Satisfying Policy Access.";
             System.out.println(String.format(msg, file));

src/main/java/com/brunoarruda/hyperdcpabe/io/FileController.java

@@ -26,6 +26,7 @@ public final class FileController {
     private static final ObjectMapper mapper = new ObjectMapper();
 
     private String dataFolder;
+    private boolean printErrorsFlag;
 
     private FileController() {
     }
@@ -34,8 +35,9 @@ public static FileController getInstance() {
         return INSTANCE;
     }
 
-    public FileController configure(String path) {
+    public FileController configure(String path, boolean printErrorsFlag) {
         this.dataFolder = path;
+        this.printErrorsFlag = printErrorsFlag;
         File dirFile = new File(path);
         if (!dirFile.exists() || !dirFile.isDirectory()) {
             dirFile.mkdirs();
@@ -74,7 +76,9 @@ public <T> void writeToDir(String path, String fileName, T obj) {
         try {
             mapper.writeValue(new File(path), obj);
         } catch (IOException e) {
-            // e.printStackTrace();
+            if (printErrorsFlag) {
+                e.printStackTrace();
+            }
         }
     }
 
@@ -90,7 +94,9 @@ public <T extends Object> List<T> readAsList(String path, String file, Class<T>
                 list.add(mapper.readValue(value, classReference));
             }
         } catch (Exception e) {
-            e.printStackTrace();
+            if (printErrorsFlag) {
+                e.printStackTrace();
+            }
         }
         return list;
     }
@@ -113,7 +119,9 @@ public <K extends Object, V extends Object> Map<K, V> readAsMap(String path, Str
                 map.put((K) entry.getKey(), mapper.readValue(value, valueClass));
             }
         } catch (Exception e) {
-            e.printStackTrace();
+            if (printErrorsFlag) {
+                e.printStackTrace();
+            }
         }
         return map;
     }
@@ -134,9 +142,13 @@ public <T> T readFromDir(String path, String fileName, String internalPath, Clas
             }
             result  = mapper.readValue(mapper.writeValueAsString(data), typeReference);
         } catch (JsonProcessingException e) {
-            e.printStackTrace();
+            if (printErrorsFlag) {
+                e.printStackTrace();
+            }
         } catch (IOException e) {
-            e.printStackTrace();
+            if (printErrorsFlag) {
+                e.printStackTrace();
+            }
         }
         return result;
     }
@@ -150,7 +162,9 @@ public JsonNode loadAsJSON(String path, String file) {
         try {
             obj = mapper.readTree(new File(path, file));
         } catch (IOException e) {
-            // System.out.println("FileController - Could not load " + file + " inside " + path + "as a JSON object.");
+            if (printErrorsFlag) {
+                e.printStackTrace();
+            }
         }
         return obj;
     }