BAEL-3091: The Prototype Pattern in Java (changed code based on valid comments from a reader)

jaxb/src/test/java/com/baeldung/jaxb/dateunmarshalling/JaxbDateUnmarshallingUnitTest.java

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+package com.baeldung.jaxb.dateunmarshalling;
+
+import org.junit.Test;
+
+import javax.xml.bind.JAXBException;
+import javax.xml.datatype.DatatypeConfigurationException;
+import javax.xml.datatype.DatatypeFactory;
+import javax.xml.datatype.XMLGregorianCalendar;
+import java.io.InputStream;
+import java.text.ParseException;
+import java.text.SimpleDateFormat;
+import java.time.LocalDateTime;
+import java.time.format.DateTimeFormatter;
+import java.util.Date;
+
+import static org.junit.Assert.assertEquals;
+
+public class JaxbDateUnmarshallingUnitTest {
+
+    @Test
+    public void whenUnmarshalDatesIsCalled_ThenCorrectDateIsReturned() throws JAXBException, DatatypeConfigurationException {
+        InputStream inputStream = JaxbDateUnmarshalling.getInputStream(JaxbDateUnmarshalling.DEFAULT_DATE_UNMARSHALLING_FILE);
+        XMLGregorianCalendar expected = DatatypeFactory.newInstance().newXMLGregorianCalendar("1979-11-28T02:31:32");
+
+        Book book = JaxbDateUnmarshalling.unmarshalDates(inputStream);
+
+        assertEquals(expected, book.getPublished());
+    }
+
+    @Test
+    public void whenUnmarshalDatesUsingCustomXmlAdapterIsCalled_ThenCorrectDateIsReturned() throws JAXBException, ParseException {
+        InputStream inputStream = JaxbDateUnmarshalling.getInputStream(JaxbDateUnmarshalling.CUSTOM_DATE_UNMARSHALLING_FILE);
+        SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd hh:mm:ss");
+        Date expected = format.parse("1979-11-28 02:31:32");
+
+        BookDateAdapter book = JaxbDateUnmarshalling.unmarshalDatesUsingCustomXmlAdapter(inputStream);
+
+        assertEquals(expected, book.getPublished());
+    }
+
+    @Test
+    public void whenUnmarshalDatesUsingJava8IsCalled_ThenCorrectDateIsReturned() throws JAXBException {
+        InputStream inputStream = JaxbDateUnmarshalling.getInputStream(JaxbDateUnmarshalling.CUSTOM_DATE_UNMARSHALLING_FILE);
+        DateTimeFormatter dateFormat = DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss");
+        LocalDateTime expected = LocalDateTime.parse("1979-11-28 02:31:32", dateFormat);
+
+        BookLocalDateTimeAdapter book = JaxbDateUnmarshalling.unmarshalDatesUsingJava8(inputStream);
+
+        assertEquals(expected, book.getPublished());
+    }
+
+}

jaxb/src/test/java/com/baeldung/jaxb/test/JaxbIntegrationTest.java

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+package com.baeldung.jaxb.test;
+
+import java.io.File;
+import java.io.FileReader;
+import java.io.IOException;
+import java.util.Date;
+import java.util.TimeZone;
+
+import javax.xml.bind.JAXBContext;
+import javax.xml.bind.JAXBException;
+import javax.xml.bind.Marshaller;
+import javax.xml.bind.Unmarshaller;
+
+import org.apache.commons.io.FileUtils;
+import org.junit.Assert;
+import org.junit.Before;
+import org.junit.FixMethodOrder;
+import org.junit.Test;
+import org.junit.runners.MethodSorters;
+
+import com.baeldung.jaxb.Book;
+
+@FixMethodOrder(MethodSorters.NAME_ASCENDING)
+public class JaxbIntegrationTest {
+    private Book book;
+    private JAXBContext context;
+
+    @Before
+    public void before() throws JAXBException {
+        book = new Book();
+        book.setId(1L);
+        book.setName("Book1");
+        TimeZone.setDefault(TimeZone.getTimeZone("UTC"));
+        book.setDate(new Date(1481909329718L));
+        context = JAXBContext.newInstance(Book.class);
+    }
+
+    @Test
+    public void marshal() throws JAXBException, IOException {
+        Marshaller marshaller = context.createMarshaller();
+        marshaller.setProperty(Marshaller.JAXB_FORMATTED_OUTPUT, Boolean.TRUE);
+        marshaller.marshal(book, new File(this.getClass().getResource("/").getPath() + "/book.xml"));
+        File sampleBookFile = new File(this.getClass().getResource("/sample_book.xml").getFile());
+        File bookFile = new File(this.getClass().getResource("/book.xml").getFile());
+        String sampleBookXML = FileUtils.readFileToString(sampleBookFile, "UTF-8");
+        String marshallerBookXML = FileUtils.readFileToString(bookFile, "UTF-8");
+        Assert.assertEquals(sampleBookXML.replace("\r", "").replace("\n", ""), marshallerBookXML.replace("\r", "").replace("\n", ""));
+    }
+
+    @Test
+    public void unMashal() throws JAXBException, IOException {
+        Unmarshaller unmarshaller = context.createUnmarshaller();
+        String bookFile = this.getClass().getResource("/book.xml").getFile();
+        Book unMarshallerbook = (Book) unmarshaller.unmarshal(new FileReader(bookFile));
+        Assert.assertEquals(book, unMarshallerbook);
+    }
+}

jaxb/src/test/resources/book.xml

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+<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
+<book id="1">
+    <title>Book1</title>
+    <date>2016-12-16T17:28:49.718Z</date>
+</book>

jaxb/src/test/resources/sample_book.xml

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+<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
+<book id="1">
+    <title>Book1</title>
+    <date>2016-12-16T17:28:49.718Z</date>
+</book>