From 0ed2c1124cf1b9e49a2ec1fa0126a8df09f9e758 Mon Sep 17 00:00:00 2001
From: Andrew Branson <andrew.branson@cern.ch>
Date: Tue, 7 Oct 2014 09:18:11 +0200
Subject: Repackage to org.cristalise

---
 .../cristalise/kernel/utils/XmlElementParser.java  | 125 +++++++++++++++++++++
 1 file changed, 125 insertions(+)
 create mode 100644 src/main/java/org/cristalise/kernel/utils/XmlElementParser.java

(limited to 'src/main/java/org/cristalise/kernel/utils/XmlElementParser.java')

diff --git a/src/main/java/org/cristalise/kernel/utils/XmlElementParser.java b/src/main/java/org/cristalise/kernel/utils/XmlElementParser.java
new file mode 100644
index 0000000..a722410
--- /dev/null
+++ b/src/main/java/org/cristalise/kernel/utils/XmlElementParser.java
@@ -0,0 +1,125 @@
+/**
+ * This file is part of the CRISTAL-iSE kernel.
+ * Copyright (c) 2001-2014 The CRISTAL Consortium. All rights reserved.
+ *
+ * This library is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License as published
+ * by the Free Software Foundation; either version 3 of the License, or (at
+ * your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; with out even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
+ * License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this library; if not, write to the Free Software Foundation,
+ * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
+ *
+ * http://www.fsf.org/licensing/licenses/lgpl.html
+ */
+package org.cristalise.kernel.utils;
+
+import java.io.StringReader;
+import java.util.StringTokenizer;
+import java.util.Vector;
+
+import javax.xml.parsers.DocumentBuilder;
+import javax.xml.parsers.DocumentBuilderFactory;
+import javax.xml.parsers.ParserConfigurationException;
+
+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;
+		DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
+		DocumentBuilder builder;
+		try {
+			builder = factory.newDocumentBuilder();
+		} catch (ParserConfigurationException e) {
+			Logger.error(e);
+			throw new RuntimeException("Could not create XML Document Builder");
+		}
+		StringReader is = new StringReader(data);
+		Document doc;
+		try {
+			doc = builder.parse(new InputSource(is));
+		} catch (Exception e) {
+			Logger.error(e);
+			throw new RuntimeException("Parser malfunction");
+		} 
+		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);
+			}
+		}
+		Logger.msg(3, returnData.size() + " values found for " + xpath);
+		returnArray = new String[returnData.size()];
+		for (int j = 0; j < returnArray.length; j++)
+			returnArray[j] = returnData.get(j);
+		return returnArray;
+	}
+}
-- 
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