AttributeComparator.

src/main/java/com/ltpeacock/sorter/xml/AttributeComparator.java

@@ -0,0 +1,24 @@
+package com.ltpeacock.sorter.xml;
+
+import java.util.Comparator;
+
+import org.w3c.dom.Node;
+
+/**
+ * Comparator for sorting attributes lexicographically by attribute name.
+ * <br>
+ * Attributes are represented by the class {@link org.w3c.dom.Node}.
+ * @author LieutenantPeacock
+ *
+ */
+public class AttributeComparator implements Comparator<Node> {
+	/**
+	 * Comparator for maintaining original order of attributes on elements.
+	 */
+	public static final Comparator<Node> MAINTAIN_ORDER = (a,b) -> 0;
+
+	@Override
+	public int compare(final Node o1, final Node o2) {
+		return Util.compare(o1.getNodeName(), o2.getNodeName());
+	}
+}