Caching of JellyScript

The jelly scripts could be cached, improving the performance of plugins using the JellyTemplateEngine:

Index: src/main/java/org/generama/JellyTemplateEngine.java
===================================================================
RCS file: /home/projects/generama/scm/generama/src/main/java/org/generama/JellyTemplateEngine.java,v
retrieving revision 1.2
diff -u -r1.2 JellyTemplateEngine.java
— src/main/java/org/generama/JellyTemplateEngine.java 16 Jan 2005 13:40:48 -0000 1.2
+++ src/main/java/org/generama/JellyTemplateEngine.java 18 Oct 2005 20:42:11 -0000
@@ -2,6 +2,7 @@

import org.apache.commons.jelly.JellyContext;
import org.apache.commons.jelly.JellyException;
+import org.apache.commons.jelly.Script;
import org.apache.commons.jelly.XMLOutput;
import org.dom4j.io.OutputFormat;
import org.dom4j.io.SAXContentHandler;
@@ -10,6 +11,8 @@
import org.xml.sax.SAXException;

import java.io.Writer;
+import java.net.URL;
+import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;
import java.util.Set;
@@ -21,7 +24,8 @@
public class JellyTemplateEngine extends AbstractTemplateEngine implements TemplateEngine {
private boolean supressdeclaration = false;
private boolean expandEmpty = false;
-
+ private Map scriptByUrl = new HashMap();
+
public final void generate(Writer out, Map contextObjects, String encoding, Class pluginClass) throws GeneramaException {
JellyContext context = new GeneramaJellyContext();
Set keys = contextObjects.keySet();
@@ -48,7 +52,14 @@

try {
xmlOutput.startDocument();

• context.runScript(getScriptURL(pluginClass, ".jelly"), xmlOutput);
  +
  + URL scriptURL = getScriptURL(pluginClass, ".jelly");
  + Script script = (Script) scriptByUrl.get(scriptURL);
  + if (script == null) { + script = context.compileScript(scriptURL); + scriptByUrl.put(scriptURL, script); + }

  + script.run(context, xmlOutput);
  xmlOutput.endDocument();
  xmlWriter.write(saxHandler.getDocument());
  xmlWriter.flush();