From 2186bf987ce3223395b9a4f4888be3d09bb6f6e2 Mon Sep 17 00:00:00 2001
From: Georgy Litvinov <git@litvinovg.pro>
Date: Thu, 26 Nov 2020 11:40:15 +0100
Subject: [PATCH] Added pretty print for XML Node

---
 src/main/java/pro/litvinovg/xml/Debug.java | 68 +++++++++++++++++++++-
 1 file changed, 67 insertions(+), 1 deletion(-)

diff --git a/src/main/java/pro/litvinovg/xml/Debug.java b/src/main/java/pro/litvinovg/xml/Debug.java
index 27026f5..09f0bf6 100644
--- a/src/main/java/pro/litvinovg/xml/Debug.java
+++ b/src/main/java/pro/litvinovg/xml/Debug.java
@@ -2,9 +2,30 @@ package pro.litvinovg.xml;
 
 
 import org.w3c.dom.Document;
+import org.w3c.dom.NamedNodeMap;
 import org.w3c.dom.Node;
+import org.w3c.dom.NodeList;
 import org.w3c.dom.ls.DOMImplementationLS;
 import org.w3c.dom.ls.LSSerializer;
+import org.xml.sax.InputSource;
+
+import java.io.ByteArrayInputStream;
+import java.io.ByteArrayOutputStream;
+
+import javax.xml.parsers.DocumentBuilder;
+import javax.xml.parsers.DocumentBuilderFactory;
+import javax.xml.transform.OutputKeys;
+import javax.xml.transform.Transformer;
+import javax.xml.transform.TransformerConfigurationException;
+import javax.xml.transform.TransformerException;
+import javax.xml.transform.TransformerFactory;
+import javax.xml.transform.TransformerFactoryConfigurationError;
+import javax.xml.transform.dom.DOMSource;
+import javax.xml.transform.stream.StreamResult;
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.StringWriter;
+import java.io.Writer;
 
 import com.sun.star.uno.XComponentContext;
 
@@ -22,5 +43,50 @@ public class Debug {
       System.out.println(ste);
 		}
 	}
-
+	public static void prettyPrintXml(Node node) {
+		printXMLNode(node, 0, true);
+	}
+	
+	public static void printXMLNode(Node node, int depth, boolean printText) { 
+		if (node == null) {
+			return;
+		}
+		for (int i = 0; i < depth; i++)
+			System.out.print("  ");
+		if (node.getNodeType() == Node.TEXT_NODE) {
+			if (printText) {
+				System.out.println(node.getNodeValue());
+			} else {
+				System.out.println("text");
+			}
+			return;
+		}
+		System.out.print('<');
+		System.out.print(node.getNodeName());
+		NamedNodeMap attrs = node.getAttributes();
+		if (attrs != null) {
+			for (int i = 0; i < attrs.getLength(); i++) {
+				Node attr = attrs.item(i);
+				System.out.print(' ');
+				System.out.print(attr.getNodeName());
+				System.out.print("=\"");
+				System.out.print(attr.getNodeValue());
+				System.out.print('"');
+			}
+		}
+		NodeList children = node.getChildNodes();
+		if (children == null || children.getLength() == 0)
+			System.out.println("/>");
+		else {
+			System.out.println('>');
+			int len = children.getLength();
+			for (int i = 0; i < len; i++) {
+				printXMLNode(children.item(i), depth + 1, printText);
+			}
+			for (int i = 0; i < depth; i++)
+				System.out.print("  ");
+			System.out.println("</" + node.getNodeName() + ">");
+		}
+	}
+   
 }