Aggiunto l'esempio di JAXB e JSON-P

xmlandjsondemo/src/main/java/it/plague/jeedemo/CreditCard.java

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+package it.plague.jeedemo;
+
+import javax.xml.bind.annotation.XmlAccessType;
+import javax.xml.bind.annotation.XmlAccessorType;
+import javax.xml.bind.annotation.XmlAttribute;
+import javax.xml.bind.annotation.XmlElement;
+import javax.xml.bind.annotation.XmlRootElement;
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+@Data
+@NoArgsConstructor
+@AllArgsConstructor
+@XmlRootElement
+@XmlAccessorType(XmlAccessType.FIELD)
+public class CreditCard {
+
+  @XmlAttribute
+  private String number;
+  @XmlElement(name = "expiry_date")
+  private String expiryDate;
+  @XmlElement(name = "control_number")
+  private Integer controlNumber;
+  private String type;
+}

xmlandjsondemo/src/test/java/it/plague/jeedemo/CreditCardJSonTest.java

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+package it.plague.jeedemo;
+
+import static org.junit.Assert.*;
+
+import java.io.StringWriter;
+import javax.json.Json;
+import javax.json.stream.JsonGenerator;
+import org.junit.Test;
+
+public class CreditCardJSonTest {
+
+  public static final String creditCardJSon =
+      "{\"creditCard\":" +
+          "{\"number\":\"12345678\"," +
+          "\"expiryDate\":\"10/14\"," +
+          "\"controlNumber\":566," +
+          "\"type\":\"Visa\"}" +
+      "}";
+
+  @Test
+  public void shouldGenerateACreditCard() {
+    CreditCard creditCard = new CreditCard("12345678", "10/14", 566, "Visa");
+    StringWriter writer = new StringWriter();
+    JsonGenerator generator = Json.createGenerator(writer);
+    generator.writeStartObject()
+        .writeStartObject("creditCard")
+        .write("number", creditCard.getNumber())
+        .write("expiryDate", creditCard.getExpiryDate())
+        .write("controlNumber", creditCard.getControlNumber())
+        .write("type", creditCard.getType())
+        .writeEnd()
+        .writeEnd()
+        .close();
+    assertEquals(creditCardJSon, writer.toString().trim());
+  }
+
+}

xmlandjsondemo/src/test/java/it/plague/jeedemo/CreditCardXmlTest.java

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+package it.plague.jeedemo;
+
+import static org.junit.Assert.assertEquals;
+
+import java.io.StringReader;
+import java.io.StringWriter;
+import javax.xml.bind.JAXBContext;
+import javax.xml.bind.JAXBException;
+import javax.xml.bind.Marshaller;
+import javax.xml.bind.Unmarshaller;
+import org.junit.Test;
+
+public class CreditCardXmlTest {
+
+  public static final String creditCardXml =
+      "<?xml version=\"1.0\" encoding=\"UTF-8\" standalone=\"yes\"?>" +
+          "<creditCard number=\"12345678\">" +
+          "<expiry_date>10/14</expiry_date>" +
+          "<control_number>566</control_number>" +
+          "<type>Visa</type>" +
+          "</creditCard>";
+
+  @Test
+  public void shouldMarshallACreditCard() throws JAXBException {
+    CreditCard creditCard = new CreditCard("12345678", "10/14", 566, "Visa");
+    StringWriter writer = new StringWriter();
+    JAXBContext context = JAXBContext.newInstance(CreditCard.class);
+    Marshaller marshaller = context.createMarshaller();
+    marshaller.marshal(creditCard, writer);
+    System.out.println(writer);
+    assertEquals(creditCardXml, writer.toString().trim());
+  }
+
+  @Test
+  public void shouldUnmarshallACreditCard() throws JAXBException {
+    StringReader reader = new StringReader(creditCardXml);
+    JAXBContext context = JAXBContext.newInstance(CreditCard.class);
+    Unmarshaller unmarshaller = context.createUnmarshaller();
+    CreditCard creditCard = (CreditCard) unmarshaller.unmarshal(reader);
+    assertEquals("12345678", creditCard.getNumber());
+    assertEquals("10/14", creditCard.getExpiryDate());
+    assertEquals((Object) 566, creditCard.getControlNumber());
+    assertEquals("Visa", creditCard.getType());
+  }
+
+}