This patch was taken from the Fedora source RPM of java-velocity. It removes the dependency

on werken-xpath which is unmaintained since 2001, and uses jdom instead.

From 8a9344f55d74a5b809051ae144b3c028499fec0d Mon Sep 17 00:00:00 2001

From: Mikolaj Izdebski <mizdebsk@redhat.com>

Date: Sat, 27 Sep 2013 10:53:46 +0200

Subject: [PATCH] Don't use Werken XPath

---

 src/java/org/apache/velocity/anakia/AnakiaElement.java |  7 +++++--

 src/java/org/apache/velocity/anakia/NodeList.java      |  6 ++++--

 src/java/org/apache/velocity/anakia/XPathCache.java    |  9 ++++++---

 src/java/org/apache/velocity/anakia/XPathTool.java     | 16 ++++++++++------

 4 files changed, 25 insertions(+), 13 deletions(-)

diff --git a/src/java/org/apache/velocity/anakia/AnakiaElement.java b/src/java/org/apache/velocity/anakia/AnakiaElement.java

index c72b653..df13153 100644

--- a/src/java/org/apache/velocity/anakia/AnakiaElement.java

+++ b/src/java/org/apache/velocity/anakia/AnakiaElement.java

@@ -20,8 +20,10 @@ package org.apache.velocity.anakia;

  */

 import org.jdom.Element;

+import org.jdom.JDOMException;

 import org.jdom.Namespace;

 import org.jdom.output.XMLOutputter;

+

 import java.util.List;

 /**

@@ -126,10 +128,11 @@ public class AnakiaElement extends Element

      * @param xpathExpression the XPath expression you wish to apply

      * @return a NodeList representing the nodes that are the result of

      * application of the XPath to the current element. It can be empty.

+     * @throws JDOMException

      */

-    public NodeList selectNodes(String xpathExpression)

+    public NodeList selectNodes(String xpathExpression) throws JDOMException

     {

-        return new NodeList(XPathCache.getXPath(xpathExpression).applyTo(this), false);

+        return new NodeList(XPathCache.getXPath(xpathExpression).selectNodes(this), false);

     }

     /**

diff --git a/src/java/org/apache/velocity/anakia/NodeList.java b/src/java/org/apache/velocity/anakia/NodeList.java

index daf611d..b303bda 100644

--- a/src/java/org/apache/velocity/anakia/NodeList.java

+++ b/src/java/org/apache/velocity/anakia/NodeList.java

@@ -35,6 +35,7 @@ import org.jdom.DocType;

 import org.jdom.Document;

 import org.jdom.Element;

 import org.jdom.EntityRef;

+import org.jdom.JDOMException;

 import org.jdom.ProcessingInstruction;

 import org.jdom.Text;

 import org.jdom.output.XMLOutputter;

@@ -289,10 +290,11 @@ public class NodeList implements List, Cloneable

      * @param xpathString the XPath expression you wish to apply

      * @return a NodeList representing the nodes that are the result of

      * application of the XPath to the current node list. It can be empty.

+     * @throws JDOMException

      */

-    public NodeList selectNodes(String xpathString)

+    public NodeList selectNodes(String xpathString) throws JDOMException

     {

-        return new NodeList(XPathCache.getXPath(xpathString).applyTo(nodes), false);

+        return new NodeList(XPathCache.getXPath(xpathString).selectNodes(nodes), false);

     }

 // List methods implemented hereafter

diff --git a/src/java/org/apache/velocity/anakia/XPathCache.java b/src/java/org/apache/velocity/anakia/XPathCache.java

index cef43d9..0d633b0 100644

--- a/src/java/org/apache/velocity/anakia/XPathCache.java

+++ b/src/java/org/apache/velocity/anakia/XPathCache.java

@@ -19,7 +19,9 @@ package org.apache.velocity.anakia;

  * under the License.    

  */

-import com.werken.xpath.XPath;

+import org.jdom.JDOMException;

+import org.jdom.xpath.XPath;

+

 import java.util.Map;

 import java.util.WeakHashMap;

@@ -46,8 +48,9 @@ class XPathCache

      * A cached object is returned if it already exists for the requested expression.

      * @param xpathString the XPath expression to parse

      * @return the XPath object that represents the parsed XPath expression.

+     * @throws JDOMException

      */

-    static XPath getXPath(String xpathString)

+    static XPath getXPath(String xpathString) throws JDOMException

     {

         XPath xpath = null;

         synchronized(XPATH_CACHE)

@@ -55,7 +58,7 @@ class XPathCache

             xpath = (XPath)XPATH_CACHE.get(xpathString);

             if(xpath == null)

             {

-                xpath = new XPath(xpathString);

+                xpath = XPath.newInstance(xpathString);

                 XPATH_CACHE.put(xpathString, xpath);

             }

         }

diff --git a/src/java/org/apache/velocity/anakia/XPathTool.java b/src/java/org/apache/velocity/anakia/XPathTool.java

index c9e6178..f85d2c1 100644

--- a/src/java/org/apache/velocity/anakia/XPathTool.java

+++ b/src/java/org/apache/velocity/anakia/XPathTool.java

@@ -23,6 +23,7 @@ import java.util.List;

 import org.jdom.Document;

 import org.jdom.Element;

+import org.jdom.JDOMException;

 /**

  * This class adds an entrypoint into XPath functionality,

@@ -88,12 +89,13 @@ public class XPathTool

      * @param doc The Document context

      *

      * @return A list of selected nodes

+     * @throws JDOMException

      */

     public NodeList applyTo(String xpathSpec,

-                        Document doc)

+                        Document doc) throws JDOMException

     {

         //RuntimeSingleton.info("XPathTool::applyTo(String, Document)");

-        return new NodeList(XPathCache.getXPath(xpathSpec).applyTo( doc ), false);

+        return new NodeList(XPathCache.getXPath(xpathSpec).selectNodes( doc ), false);

     }

     /**

@@ -103,12 +105,13 @@ public class XPathTool

      * @param elem The Element context

      *

      * @return A list of selected nodes

+     * @throws JDOMException

      */

     public NodeList applyTo(String xpathSpec,

-                        Element elem)

+                        Element elem) throws JDOMException

     {

         //RuntimeSingleton.info("XPathTool::applyTo(String, Element)");

-        return new NodeList(XPathCache.getXPath(xpathSpec).applyTo( elem ), false);

+        return new NodeList(XPathCache.getXPath(xpathSpec).selectNodes( elem ), false);

     }

     /**

@@ -118,12 +121,13 @@ public class XPathTool

      * @param nodeSet The nodeset context

      *

      * @return A list of selected nodes

+     * @throws JDOMException

      */

     public NodeList applyTo(String xpathSpec,

-                        List nodeSet)

+                        List nodeSet) throws JDOMException

     {

         //RuntimeSingleton.info("XPathTool::applyTo(String, List)");

-        return new NodeList(XPathCache.getXPath(xpathSpec).applyTo( nodeSet ), false);

+        return new NodeList(XPathCache.getXPath(xpathSpec).selectNodes( nodeSet ), false);

     }

 }

-- 

1.8.3.1