From b086f57f56bf0eb9dab9cf321a0f69aaaae84347 Mon Sep 17 00:00:00 2001
From: Andrew Branson <andrew.branson@cern.ch>
Date: Wed, 30 May 2012 08:37:45 +0200
Subject: Initial Maven Conversion

---
 .../java/com/c2kernel/utils/XmlElementParser.java  | 105 +++++++++++++++++++++
 1 file changed, 105 insertions(+)
 create mode 100644 src/main/java/com/c2kernel/utils/XmlElementParser.java

(limited to 'src/main/java/com/c2kernel/utils/XmlElementParser.java')

diff --git a/src/main/java/com/c2kernel/utils/XmlElementParser.java b/src/main/java/com/c2kernel/utils/XmlElementParser.java
new file mode 100644
index 0000000..2e86763
--- /dev/null
+++ b/src/main/java/com/c2kernel/utils/XmlElementParser.java
@@ -0,0 +1,105 @@
+package com.c2kernel.utils;
+
+import java.io.StringReader;
+import java.util.StringTokenizer;
+import java.util.Vector;
+
+import javax.xml.parsers.DocumentBuilder;
+import javax.xml.parsers.DocumentBuilderFactory;
+
+import org.w3c.dom.Document;
+import org.w3c.dom.Element;
+import org.w3c.dom.Node;
+import org.w3c.dom.NodeList;
+import org.xml.sax.InputSource;
+
+public class XmlElementParser
+{
+	public static String[] parse(String data, String xpath)
+	{
+            Vector<String> returnData = new Vector<String>();
+            String[] returnArray = new String[0];
+            try
+            {
+                DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
+                DocumentBuilder builder = factory.newDocumentBuilder();
+                StringReader is = new StringReader(data);
+                Document doc = builder.parse(new InputSource(is));
+                StringTokenizer pathTokens = new StringTokenizer(xpath, "/");
+                int taille = pathTokens.countTokens();
+                String[] pathElements = new String[taille];
+                int i=taille;
+                while (pathTokens.hasMoreElements())
+                    pathElements[--i] = pathTokens.nextToken();
+
+                if (Logger.doLog(6)) {
+                    Logger.msg(6, "Path elements:");
+                    for (String pathElement : pathElements)
+						Logger.debug(6, pathElement);
+                }
+
+                Logger.msg(6, "Looking for attribute "+pathElements[0]+" in "+pathElements[1]);
+                NodeList nl = doc.getElementsByTagName(pathElements[1]);
+                for (int j = 0; j < nl.getLength(); j++)
+                {
+                    Logger.msg(6, "Found one");
+                    Element e = (Element)nl.item(j);
+                    boolean match=true;
+                    Node child=e;
+                    for (int k=2;k<taille&&match;k++)
+                        {
+                            Logger.msg(6, "Checking parent "+pathElements[k]);
+                            child = child.getParentNode();
+                            if (!child.getNodeName().equals(pathElements[k]))
+                                {
+                                Logger.msg(6, "No match for "+child.getNodeName());
+                                match=false;
+                                }
+                            else
+                                Logger.msg(6, "Match");
+                        }
+                    if (match&&e.hasAttribute(pathElements[0])) {
+                        Logger.msg(6, "Matching Attribute "+pathElements[0]+"="+e.getAttribute(pathElements[0]));
+                        returnData.add(e.getAttribute(pathElements[0]));
+                    }
+                }
+
+                Logger.msg(6, "Looking for element "+pathElements[0]);
+                nl = doc.getElementsByTagName(pathElements[0]);
+                for (int j = 0; j < nl.getLength(); j++)
+                {
+                    Logger.msg(6, "Found one");
+                    Element e = (Element)nl.item(j);
+                    boolean match=true;
+                    Node child=e;
+                    for (int k=1;k<taille&&match;k++)
+                        {
+                            Logger.msg(6, "Checking parent "+pathElements[k]);
+                            child = child.getParentNode();
+                            if (!child.getNodeName().equals(pathElements[k]))
+                                {
+                                Logger.msg(6, "No match for "+child.getNodeName());
+                                match=false;
+                                }
+                            else
+                                Logger.msg(6, "Match");
+                        }
+                    if (match)
+                        {
+                        String s =e.getFirstChild().getNodeValue();
+                        Logger.msg(6, "Found Element "+pathElements[0]+"="+s);
+                        if (s!=null) returnData.add(s);
+                        }
+                }
+            }
+            catch (Exception e)
+            {
+                //Logger.error(e);
+            }
+            Logger.msg(3, returnData.size()+" values found for "+xpath);
+            returnArray=new String[returnData.size()];
+            for (int i=0;i<returnArray.length;i++)
+                returnArray[i] = returnData.get(i);
+            return returnArray;
+        }
+}
-- 
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