Hello,
I am attempting to create an XML object, put it in scope, and then
execute a script in this scope.
However, when I run the attached simple java class, I get the following
exception:
Exception in thread "main" java.lang.IllegalStateException
at
org.mozilla.javascript.ScriptRuntime.getTopCallScope(ScriptRuntime.java:2986)
at
org.mozilla.javascript.ScriptRuntime.searchDefaultNamespace(ScriptRuntime.java:1145)
at
org.mozilla.javascript.xmlimpl.XMLLibImpl.getDefaultNamespace(XMLLibImpl.java:328)
at
org.mozilla.javascript.xmlimpl.XMLLibImpl.getDefaultNamespaceURI(XMLLibImpl.java:313)
at
org.mozilla.javascript.xmlimpl.XMLLibImpl.parse(XMLLibImpl.java:405)
at
org.mozilla.javascript.xmlimpl.XMLLibImpl.ecmaToXml(XMLLibImpl.java:438)
at
org.mozilla.javascript.xmlimpl.XMLObjectImpl.ecmaToXml(XMLObjectImpl.java:800)
at org.mozilla.javascript.xmlimpl.XML.jsConstructor(XML.java:217)
at
org.mozilla.javascript.xmlimpl.XMLObjectImpl.execIdCall(XMLObjectImpl.java:591)
at
org.mozilla.javascript.IdFunctionObject.call(IdFunctionObject.java:127)
at
org.mozilla.javascript.BaseFunction.construct(BaseFunction.java:328)
at org.mozilla.javascript.Context.newObject(Context.java:1406)
at AddXmlToScope.main(AddXmlToScope.java:10)
When parsing xml, XMLLibImpl checks to see whether there is a "default
namespace" set up. In order to do this,
ScriptRuntime.searchDefaultNamespace() attempts to examine
Context.currentActivationCall and Context.topCallScope. However, because
the XML object is being created outside of a script, these values are
both null. This results in the IllegalStateException being thrown, as
detailed above.
Does anyone know whether this is this a bug, or is it me attempting to
do something that I'm not really allowed to?
Or is there a step that I'm missing in my java?
Many thanks in advance,
Kieran
import org.mozilla.javascript.*;
public class AddXmlToScope {
public static void main (String [] argv)
throws Exception
{
Context cx = Context.enter();
try {
Scriptable scope = cx.initStandardObjects();
// Create an XML object.
Object xml = cx.newObject(scope, "XML", new Object [] {"<xml/>"});
// Put the XML object in scope.
ScriptableObject.putProperty(scope, "xml", xml);
// Run a script in this scope. The script will have access
// to the "xml" property.
Object result = cx.evaluateString(scope, "var x = xml.name();",
"<cmd>", 1, null);
} finally {
Context.exit();
}
}
}
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