Java I/O: Context-Specific Deserialization Filters

Author: AnghelLeonard

Chapter06/P138_CustomLambdaFilter/src/main/java/modern/challenge/Converters.java

@@ -15,17 +15,14 @@ private Converters() {
         throw new AssertionError("Cannot be instantiated");
     }
 
-    public static byte[] objectToBytes(Serializable obj) throws IOException {
+    public static byte[] objectToBytes(Serializable obj) throws IOException {       
 
-        ByteArrayOutputStream baos = new ByteArrayOutputStream();
-
-        try ( ObjectOutputStream ois = new ObjectOutputStream(baos)) {
+        try ( ByteArrayOutputStream baos = new ByteArrayOutputStream();
+                ObjectOutputStream ois = new ObjectOutputStream(baos)) {
             ois.writeObject(obj);
-        }
-
-        baos.close();
-
-        return baos.toByteArray();
+            
+            return baos.toByteArray();
+        }        
     }
 
     public static Object bytesToObject(byte[] bytes, ObjectInputFilter filter)

Chapter06/P138_CustomLambdaFilter/src/main/java/modern/challenge/Main.java

@@ -1,7 +1,6 @@
 package modern.challenge;
 
 import java.io.IOException;
-import java.io.ObjectInputFilter;
 import java.io.ObjectInputFilter.Status;
 import java.util.Arrays;