BAEL-2237 Using Jackson to parse XML and return JSON (#5401)

jackson/pom.xml

@@ -118,7 +118,7 @@
 
     <properties>
         <!-- marshalling -->
-        <jackson.version>2.9.6</jackson.version>
+        <jackson.version>2.9.7</jackson.version>
         <!-- util -->
         <commons-lang3.version>3.8</commons-lang3.version>
         <joda-time.version>2.10</joda-time.version>

jackson/src/main/java/com/baeldung/jackson/xmlToJson/Color.java

@@ -0,0 +1,5 @@
+package com.baeldung.jackson.xmlToJson;
+
+public enum Color {
+    PINK, BLUE, YELLOW, RED;
+}

jackson/src/main/java/com/baeldung/jackson/xmlToJson/Flower.java

@@ -0,0 +1,42 @@
+package com.baeldung.jackson.xmlToJson;
+
+public class Flower {
+
+    private String name;
+
+    private Color color;
+
+    private Integer petals;
+
+    public Flower() { }
+
+    public Flower(String name, Color color, Integer petals) {
+        this.name = name;
+        this.color = color;
+        this.petals = petals;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public Color getColor() {
+        return color;
+    }
+
+    public void setColor(Color color) {
+        this.color = color;
+    }
+
+    public Integer getPetals() {
+        return petals;
+    }
+
+    public void setPetals(Integer petals) {
+        this.petals = petals;
+    }
+}

jackson/src/test/java/com/baeldung/jackson/xmlToJson/XmlToJsonUnitTest.java

@@ -0,0 +1,56 @@
+package com.baeldung.jackson.xmlToJson;
+
+
+import com.fasterxml.jackson.core.JsonProcessingException;
+import com.fasterxml.jackson.databind.JsonNode;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.fasterxml.jackson.dataformat.xml.XmlMapper;
+import org.junit.Test;
+
+import static org.junit.Assert.*;
+
+import java.io.IOException;
+
+public class XmlToJsonUnitTest {
+
+    @Test
+    public void givenAnXML_whenUseDataBidingToConvertToJSON_thenReturnDataOK() {
+        String flowerXML = "<Flower><name>Poppy</name><color>RED</color><petals>9</petals></Flower>";
+
+        try {
+            XmlMapper xmlMapper = new XmlMapper();
+            Flower poppy = xmlMapper.readValue(flowerXML, Flower.class);
+
+            assertEquals(poppy.getName(), "Poppy");
+            assertEquals(poppy.getColor(), Color.RED);
+            assertEquals(poppy.getPetals(), new Integer(9));
+
+            ObjectMapper mapper = new ObjectMapper();
+            String json = mapper.writeValueAsString(poppy);
+
+            assertEquals(json, "{\"name\":\"Poppy\",\"color\":\"RED\",\"petals\":9}");
+            System.out.println(json);
+        } catch(IOException e) {
+            e.printStackTrace();
+        }
+    }
+
+    @Test
+    public void givenAnXML_whenUseATreeConvertToJSON_thenReturnDataOK() {
+        String flowerXML = "<Flower><name>Poppy</name><color>RED</color><petals>9</petals></Flower>";
+
+        try {
+            XmlMapper xmlMapper = new XmlMapper();
+            JsonNode node = xmlMapper.readTree(flowerXML.getBytes());
+
+            ObjectMapper jsonMapper = new ObjectMapper();
+            String json = jsonMapper.writeValueAsString(node);
+
+            System.out.println(json);
+
+            assertEquals(json, "{\"name\":\"Poppy\",\"color\":\"RED\",\"petals\":\"9\"}");
+        } catch(IOException e) {
+            e.printStackTrace();
+        }
+    }
+}