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is StylesheetRoot really java.io.Serializable ?

is StylesheetRoot really java.io.Serializable ?

2007-08-01       - By tiberiu
Reply:     1     2     3  


Hi,
in xalan documentation there is a hint to use Templates and to cache them,
in order to increase performance.
I need to cache them on disk, so that I tried to use (java.io) Serializable
interface.
The Problem is that even if StyleSheetRoot (the Templates Object) implements
Serializable,
ExtensionNamespaceSupport doesn't.

So, trying to save a StylesheetRoot with xalan2.4.0 crashes, in 2.7.0 I
didn't obtain an error but the read Class from such a File return on method
StylesheetRoot.getExtensions() a null. This null is at the end converted in
an "Unknown Error in XPath" Error because of the following Code from
ExtensionsTable class:
Vector extensions = m_sroot.getExtensions();
   for (int i = 0; i < extensions.size(); i++)

Without these Extensions the Templates doesn't know defined Namespaces.

My Question is if it is a possibility to serialize StylesheetRoot in a File,
and to can use that serialized form in order to generate a good Transformer.


Thanks for an answer.

--
View this message in context: http://www.nabble.com/is-StylesheetRoot-really
-java.io.Serializable---tf4202280.html#a11952525
Sent from the Xalan - J - Users mailing list archive at Nabble.com.


Hi,
in xalan documentation there is a hint to use Templates and to cache them, in
order to increase performance.
I need to cache them on disk, so that I tried to use (java.io) Serializable
interface.
The Problem is that even if StyleSheetRoot (the Templates Object) implements
Serializable,
<i>ExtensionNamespaceSupport</i> doesn't.

So, trying to save a StylesheetRoot with xalan2.4.0 crashes, in 2.7.0 I didn't
obtain an error but the read Class from such a File return on method
StylesheetRoot.getExtensions() a null. This null is at the end converted in an
"Unknown Error in XPath" Error because of the following Code from <i
>ExtensionsTable</i> class:
Vector extensions = m_sroot.getExtensions();
   for (int i = 0; i < <i>extensions.size()</i>; i++)

Without these Extensions the Templates doesn't know defined Namespaces.

My Question is if it is a possibility to serialize StylesheetRoot in a File,
and to can use that serialized form in order to generate a good Transformer.


Thanks for an answer.

<br><hr align="left" width="300">
View this message in context: <a href="http://www.nabble.com/is-StylesheetRoot
-really-java.io.Serializable---tf4202280.html#a11952525">is StylesheetRoot
really java.io.Serializable ?</a><br>
Sent from the <a href="http://www.nabble.com/Xalan---J---Users-f275.html">Xalan
- J - Users mailing list archive</a> at Nabble.com.<br>