From 753ea65ff3fdb27a818bf46be0385bd32e16e43f Mon Sep 17 00:00:00 2001 From: Amitabh Tiwari Date: Fri, 15 Oct 2021 09:13:02 +0530 Subject: [PATCH] Method for validation of Serializable Objects Method for validation of Serializable Objects --- .../main/java/com/baeldung/util/SerializationUtils.java | 4 ++++ .../com/baeldung/serialization/SerializationUnitTest.java | 8 ++++++++ 2 files changed, 12 insertions(+) diff --git a/core-java-modules/core-java/src/main/java/com/baeldung/util/SerializationUtils.java b/core-java-modules/core-java/src/main/java/com/baeldung/util/SerializationUtils.java index eb5eb6aac1..da884d0b9b 100644 --- a/core-java-modules/core-java/src/main/java/com/baeldung/util/SerializationUtils.java +++ b/core-java-modules/core-java/src/main/java/com/baeldung/util/SerializationUtils.java @@ -25,5 +25,9 @@ public class SerializationUtils { Object o = ois.readObject(); return cl.cast(o); } + + public static boolean isSerializable(Class it) { + return it.isPrimitive() || it.isInterface() || Serializable.class.isAssignableFrom(it); + } } diff --git a/core-java-modules/core-java/src/test/java/com/baeldung/serialization/SerializationUnitTest.java b/core-java-modules/core-java/src/test/java/com/baeldung/serialization/SerializationUnitTest.java index 9be174e42d..376bd370f5 100644 --- a/core-java-modules/core-java/src/test/java/com/baeldung/serialization/SerializationUnitTest.java +++ b/core-java-modules/core-java/src/test/java/com/baeldung/serialization/SerializationUnitTest.java @@ -1,6 +1,7 @@ package com.baeldung.serialization; import static org.junit.Assert.assertTrue; +import static org.junit.Assert.assertFalse; import java.io.FileOutputStream; import java.io.IOException; @@ -76,4 +77,11 @@ public class SerializationUnitTest { assertTrue(p2.getAge() == p.getAge()); assertTrue(p2.getName().equals(p.getName())); } + + @Test + public void whenSerializingUsingCustomSerializationUtils_ThanOk(){ + assertFalse(com.baeldung.util.SerializationUtils.isSerializable(Address.class)); + assertTrue(com.baeldung.util.SerializationUtils.isSerializable(Person.class)); + assertTrue(com.baeldung.util.SerializationUtils.isSerializable(Integer.class)); + } }