# HG changeset patch
# User František Kučera <franta-hg@frantovo.cz>
# Date 1409840339 -7200
# Node ID 9837e58e0754983e3195666f7cb3667b57e2c91c
# Parent  5c4ae2ed5d97de714b7ee6315c53ce15b0574ff6
out-xpath: reuse xpathFactory and xpath

diff -r 5c4ae2ed5d97 -r 9837e58e0754 java/alt2xml-out-xpath/src/cz/frantovo/alt2xml/out/xpath/XPathAction.java
--- a/java/alt2xml-out-xpath/src/cz/frantovo/alt2xml/out/xpath/XPathAction.java	Thu Sep 04 16:14:15 2014 +0200
+++ b/java/alt2xml-out-xpath/src/cz/frantovo/alt2xml/out/xpath/XPathAction.java	Thu Sep 04 16:18:59 2014 +0200
@@ -33,22 +33,23 @@
  */
 public class XPathAction extends AbstractDOMAction {
 
+	private final XPathFactory xpathFactory;
+	private final XPath xpath;
+
 	public XPathAction(ActionContext actionContext) {
 		super(actionContext);
+		xpathFactory = XPathFactory.newInstance();
+		xpath = xpathFactory.newXPath();
 	}
 
 	@Override
 	public void run(DOMResult domResult) throws OutputActionException {
 
-		// TODO: reuse
-		XPathFactory xpf = XPathFactory.newInstance();
-		XPath xp = xpf.newXPath();
-
 		if (getActionContext().getActionData().size() == 1) {
 			String expressionString = getActionContext().getActionData().get(0);
 
 			try {
-				XPathExpression xpe = xp.compile(expressionString);
+				XPathExpression xpe = xpath.compile(expressionString);
 
 				String result = xpe.evaluate(domResult.getNode());