added xml folder in jackson module,have no idea what am doing :)

jackson/src/test/java/com/baeldung/xml/TestClass.java

@@ -0,0 +1,80 @@
+package com.baeldung.jackson.xml;
+
+import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.assertTrue;
+
+import java.io.BufferedReader;
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+
+import org.junit.Test;
+
+import com.fasterxml.jackson.core.JsonProcessingException;
+import com.fasterxml.jackson.dataformat.xml.XmlMapper;
+
+public class TestClass {
+
+	@Test
+	public void whenJavaSerializedToXmlStr_thenCorrect() throws JsonProcessingException{
+	    XmlMapper xmlMapper = new XmlMapper();
+	    String xml = xmlMapper.writeValueAsString(new SimpleBean());
+	    assertNotNull(xml);
+	}
+	@Test
+	public void whenJavaSerializedToXmlFile_thenCorrect() throws IOException{
+	    XmlMapper xmlMapper = new XmlMapper();
+	    xmlMapper.writeValue(new File("simple_bean.xml"), new SimpleBean());
+	    File file=new File("simple_bean.xml");
+	    assertNotNull(file);
+	}
+	@Test
+	public void whenJavaGotFromXmlStr_thenCorrect() throws IOException {
+	    XmlMapper xmlMapper = new XmlMapper();
+	    SimpleBean value = xmlMapper.readValue(
+	                "<SimpleBean><x>1</x><y>2</y></SimpleBean>", SimpleBean.class);
+	    assertTrue(value.getX() == 1 && value.getY() == 2);
+	}
+	@Test
+	public void whenJavaGotFromXmlFile_thenCorrect() throws IOException {
+	    File file = new File("simple_bean.xml");
+	    XmlMapper xmlMapper = new XmlMapper();
+	    String xml = inputStreamToString(new FileInputStream(file));
+	    SimpleBean value = xmlMapper.readValue(xml,SimpleBean.class);
+	    assertTrue(value.getX() == 1 && value.getY() == 2);
+	}
+
+	public static String inputStreamToString(InputStream is) throws IOException {
+		BufferedReader br = null;
+		StringBuilder sb = new StringBuilder();
+
+		String line;
+		br = new BufferedReader(new InputStreamReader(is));
+		while ((line = br.readLine()) != null) {
+			sb.append(line);
+		}
+		br.close();
+		return sb.toString();
+
+	}
+}
+
+class SimpleBean {
+	private int x = 1;
+	private int y = 2;
+	public int getX() {
+		return x;
+	}
+	public void setX(int x) {
+		this.x = x;
+	}
+	public int getY() {
+		return y;
+	}
+	public void setY(int y) {
+		this.y = y;
+	}
+	
+}