Fix Attribute class code quality

Author: sgrampone

gamsaml20/src/main/java/com/genexus/saml20/utils/xml/Attribute.java

@@ -4,30 +4,26 @@
 
 import java.text.MessageFormat;
 
-public class Attribute extends XmlTypes{
+public class Attribute extends XmlTypes {
 
 	Element element;
 	private final String tag;
 
-	public Attribute(String namespace, String element, String tag)
-	{
+	public Attribute(String namespace, String element, String tag) {
 		this.element = new Element(namespace, element);
 		this.tag = tag;
 	}
 
-	public String getTag()
-	{
+	public String getTag() {
 		return tag;
 	}
 
-	public String findValue(Document doc)
-	{
+	public String findValue(Document doc) {
 		return element.getElement(doc).getAttributes().getNamedItem(tag).getNodeValue();
 	}
 
-	public String printJson(Document xmlDoc)
-	{
+	public String printJson(Document xmlDoc) {
 		String value = findValue(xmlDoc);
-		return value == null ? null : MessageFormat.format( "\"{0}\": \"{1}\"", tag, value);
+		return value == null ? null : MessageFormat.format("\"{0}\": \"{1}\"", tag, value);
 	}
 }