JAVA-8279 Split or move core java module
This commit is contained in:
mikr
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package com.baeldung.deserialization;
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import static org.junit.Assert.assertEquals;
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import static org.junit.Assert.assertNotEquals;
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import static org.junit.Assert.assertTrue;
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import java.io.IOException;
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import java.io.InvalidClassException;
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import org.junit.Assert;
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import org.junit.Ignore;
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import org.junit.Test;
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public class DeserializationUnitTest {
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private static final String serializedObj = "rO0ABXNyACljb20uYmFlbGR1bmcuZGVzZXJpYWxpemF0aW9uLkFwcGxlUHJvZHVjdAAAAAAAdMuxAgADTAANaGVhZHBob25lUG9ydHQAEkxqYXZhL2xhbmcvU3RyaW5nO0wADWxpZ2h0bmluZ1BvcnRxAH4AAUwAD3RodW5kZXJib2x0UG9ydHEAfgABeHB0ABFoZWFkcGhvbmVQb3J0MjAyMHQAEWxpZ2h0bmluZ1BvcnQyMDIwdAATdGh1bmRlcmJvbHRQb3J0MjAyMA";
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private static long userDefinedSerialVersionUID = 1234567L;
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/**
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* Tests the deserialization of the original "AppleProduct" (no exceptions are thrown)
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* @throws ClassNotFoundException
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* @throws IOException
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*/
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@Test
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public void testDeserializeObj_compatible() throws IOException, ClassNotFoundException {
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Assert.assertEquals(userDefinedSerialVersionUID, AppleProduct.getSerialVersionUID());
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AppleProduct macBook = new AppleProduct();
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macBook.headphonePort = "headphonePort2020";
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macBook.thunderboltPort = "thunderboltPort2020";
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macBook.lightningPort = "lightningPort2020";
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// serializes the "AppleProduct" object
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String serializedProduct = SerializationUtility.serializeObjectToString(macBook);
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// deserializes the "AppleProduct" object
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AppleProduct deserializedProduct = (AppleProduct) DeserializationUtility.deSerializeObjectFromString(serializedProduct);
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assertTrue(deserializedProduct.headphonePort.equalsIgnoreCase(macBook.headphonePort));
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assertTrue(deserializedProduct.thunderboltPort.equalsIgnoreCase(macBook.thunderboltPort));
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assertTrue(deserializedProduct.lightningPort.equalsIgnoreCase(macBook.lightningPort));
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}
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/**
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* Tests the deserialization of the modified (non-compatible) "AppleProduct".
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* The test should result in an InvalidClassException being thrown.
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*
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* Note: to run this test:
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* 1. Modify the value of the serialVersionUID identifier in AppleProduct.java
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* 2. Remove the @Ignore annotation
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* 3. Run the test individually (do not run the entire set of tests)
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* 4. Revert the changes made in 1 & 2 (so that you're able to re-run the tests successfully)
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*
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* @throws ClassNotFoundException
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* @throws IOException
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*/
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@Ignore
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@Test(expected = InvalidClassException.class)
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public void testDeserializeObj_incompatible() throws ClassNotFoundException, IOException {
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Assert.assertNotEquals(userDefinedSerialVersionUID, AppleProduct.getSerialVersionUID());
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// attempts to deserialize the "AppleProduct" object
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DeserializationUtility.deSerializeObjectFromString(serializedObj);
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}
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}
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@@ -0,0 +1,64 @@
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package com.baeldung.serialization;
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import org.junit.Test;
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import java.io.FileInputStream;
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import java.io.FileOutputStream;
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import java.io.IOException;
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import java.io.ObjectInputStream;
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import java.io.ObjectOutputStream;
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import static org.junit.Assert.assertTrue;
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public class PersonUnitTest {
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@Test
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public void whenSerializingAndDeserializing_ThenObjectIsTheSame() throws IOException, ClassNotFoundException {
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Person p = new Person();
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p.setAge(20);
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p.setName("Joe");
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FileOutputStream fileOutputStream = new FileOutputStream("yofile.txt");
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ObjectOutputStream objectOutputStream = new ObjectOutputStream(fileOutputStream);
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objectOutputStream.writeObject(p);
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objectOutputStream.flush();
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objectOutputStream.close();
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FileInputStream fileInputStream = new FileInputStream("yofile.txt");
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ObjectInputStream objectInputStream = new ObjectInputStream(fileInputStream);
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Person p2 = (Person) objectInputStream.readObject();
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objectInputStream.close();
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assertTrue(p2.getAge() == p.getAge());
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assertTrue(p2.getName().equals(p.getName()));
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}
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@Test
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public void whenCustomSerializingAndDeserializing_ThenObjectIsTheSame() throws IOException, ClassNotFoundException {
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Person p = new Person();
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p.setAge(20);
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p.setName("Joe");
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Address a = new Address();
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a.setHouseNumber(1);
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Employee e = new Employee();
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e.setPerson(p);
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e.setAddress(a);
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FileOutputStream fileOutputStream = new FileOutputStream("yofile2.txt");
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ObjectOutputStream objectOutputStream = new ObjectOutputStream(fileOutputStream);
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objectOutputStream.writeObject(e);
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objectOutputStream.flush();
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objectOutputStream.close();
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FileInputStream fileInputStream = new FileInputStream("yofile2.txt");
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ObjectInputStream objectInputStream = new ObjectInputStream(fileInputStream);
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Employee e2 = (Employee) objectInputStream.readObject();
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objectInputStream.close();
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assertTrue(e2.getPerson().getAge() == e.getPerson().getAge());
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assertTrue(e2.getAddress().getHouseNumber() == (e.getAddress().getHouseNumber()));
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}
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}
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@@ -0,0 +1,111 @@
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package com.baeldung.serialization;
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import static org.junit.Assert.assertEquals;
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import static org.junit.Assert.assertFalse;
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import static org.junit.jupiter.api.Assertions.assertTrue;
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import java.io.FileInputStream;
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import java.io.FileOutputStream;
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import java.io.IOException;
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import java.io.NotSerializableException;
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import java.io.ObjectInputStream;
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import java.io.ObjectOutputStream;
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import java.io.Serializable;
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import org.apache.commons.lang3.SerializationUtils;
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import org.junit.Test;
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import com.baeldung.util.MySerializationUtils;
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public class SerializationUnitTest {
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@Test(expected = NotSerializableException.class)
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public void whenSerializing_ThenThrowsError() throws IOException {
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Address address = new Address();
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address.setHouseNumber(10);
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FileOutputStream fileOutputStream = new FileOutputStream("yofile.txt");
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try (ObjectOutputStream objectOutputStream = new ObjectOutputStream(fileOutputStream)) {
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objectOutputStream.writeObject(address);
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}
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}
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@Test
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public void whenSerializingAndDeserializing_ThenObjectIsTheSame() throws IOException, ClassNotFoundException {
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Person p = new Person();
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p.setAge(20);
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p.setName("Joe");
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FileOutputStream fileOutputStream = new FileOutputStream("yofile.txt");
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try (ObjectOutputStream objectOutputStream = new ObjectOutputStream(fileOutputStream)) {
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objectOutputStream.writeObject(p);
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}
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FileInputStream fileInputStream = new FileInputStream("yofile.txt");
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try (ObjectInputStream objectInputStream = new ObjectInputStream(fileInputStream)) {
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Person p2 = (Person) objectInputStream.readObject();
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assertEquals(p2.getAge(), p.getAge());
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assertEquals(p2.getName(), p.getName());
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}
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}
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@Test(expected = ClassCastException.class)
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public void whenSerializingUsingApacheCommons_ThenThrowsError() {
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Address address = new Address();
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address.setHouseNumber(10);
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SerializationUtils.serialize((Serializable) address);
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}
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@Test
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public void whenSerializingAndDeserializingUsingApacheCommons_ThenObjectIsTheSame() {
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Person p = new Person();
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p.setAge(20);
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p.setName("Joe");
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byte[] serialize = SerializationUtils.serialize(p);
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Person p2 = (Person) SerializationUtils.deserialize(serialize);
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assertEquals(p2.getAge(), p.getAge());
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assertEquals(p2.getName(), p.getName());
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}
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@Test(expected = ClassCastException.class)
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public void whenSerializingUsingSpringSerializationUtils_ThenThrowsError() {
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Address address = new Address();
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address.setHouseNumber(10);
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org.springframework.util.SerializationUtils.serialize((Serializable) address);
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}
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@Test
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public void whenSerializingAndDeserializingUsingSpringSerializationUtils_ThenObjectIsTheSame() {
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Person p = new Person();
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p.setAge(20);
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p.setName("Joe");
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byte[] serialize = org.springframework.util.SerializationUtils.serialize(p);
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Person p2 = (Person) org.springframework.util.SerializationUtils.deserialize(serialize);
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assertEquals(p2.getAge(), p.getAge());
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assertEquals(p2.getName(), p.getName());
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}
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@Test(expected = ClassCastException.class)
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public void whenSerializingUsingCustomSerializationUtils_ThenThrowsError() throws IOException {
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Address address = new Address();
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address.setHouseNumber(10);
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MySerializationUtils.serialize((Serializable) address);
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}
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@Test
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public void whenSerializingAndDeserializingUsingCustomSerializationUtils_ThenObjectIsTheSame() throws IOException, ClassNotFoundException {
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Person p = new Person();
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p.setAge(20);
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p.setName("Joe");
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byte[] serialize = MySerializationUtils.serialize(p);
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Person p2 = MySerializationUtils.deserialize(serialize, Person.class);
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assertEquals(p2.getAge(), p.getAge());
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assertEquals(p2.getName(), p.getName());
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}
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@Test
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public void whenSerializingUsingCustomSerializationUtils_ThanOk() {
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assertFalse(MySerializationUtils.isSerializable(Address.class));
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assertTrue(MySerializationUtils.isSerializable(Person.class));
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assertTrue(MySerializationUtils.isSerializable(Integer.class));
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}
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}
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log4j.rootLogger=DEBUG, A1
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log4j.appender.A1=org.apache.log4j.ConsoleAppender
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log4j.appender.A1.layout=org.apache.log4j.PatternLayout
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log4j.appender.A1.layout.ConversionPattern=%-4r [%t] %-5p %c %x - %m%n
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@@ -0,0 +1,13 @@
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<?xml version="1.0" encoding="UTF-8"?>
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<Configuration status="WARN">
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<Appenders>
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<Console name="Console" target="SYSTEM_OUT">
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<PatternLayout pattern="%d{HH:mm:ss.SSS} [%t] %-5level - %msg%n"/>
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</Console>
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</Appenders>
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<Loggers>
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<Root level="debug">
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<AppenderRef ref="Console"/>
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</Root>
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</Loggers>
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</Configuration>
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@@ -0,0 +1,9 @@
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# Root logger
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log4j.rootLogger=INFO, file, stdout
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# Write to console
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log4j.appender.stdout=org.apache.log4j.ConsoleAppender
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log4j.appender.stdout.Target=System.out
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log4j.appender.stdout.layout=org.apache.log4j.PatternLayout
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log4j.appender.stdout.layout.ConversionPattern=%d{yyyy-MM-dd HH:mm:ss} %-5p %c{1}:%L - %m%n
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<?xml version="1.0" encoding="UTF-8"?>
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<configuration>
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<appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
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<encoder>
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<pattern>%d{HH:mm:ss.SSS} [%thread] %-5level %logger{36} - %msg%n
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</pattern>
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</encoder>
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</appender>
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<logger name="org.springframework" level="WARN" />
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<logger name="org.springframework.transaction" level="WARN" />
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<!-- in order to debug some marshalling issues, this needs to be TRACE -->
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<logger name="org.springframework.web.servlet.mvc" level="WARN" />
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<root level="INFO">
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<appender-ref ref="STDOUT" />
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</root>
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</configuration>
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