i had the same problem and i solved it by caching the SimpleNodes which
are produced by the parse method. i didn't profile my application so i
don't know if it really works well and it might be a quite stupid way, i
hadn't time to look at it properly.
private Map<String, SimpleNode> rootNodesCache = new HashMap<String,
SimpleNode>();
public SimpleNode getRootNodeFor(String template, RuntimeInstance
runtimeInstance) {
SimpleNode sn = rootNodesCache.get(template);
if(sn == null) {
try {
Reader reader = new StringReader(template);
sn = runtimeInstance.parse(reader, tag);
rootNodesCache.put( template, sn);
} catch(ParseException e) {
logger.error("VelocityException for template '" + value
+ "' :" + e.getMessage());
}
}
return sn;
}
Xavier Noria wrote:
I am writing an application that needs a couple of functionalities I
don't see in the developer's manual.
On the one hand I have snippets of templates in a XML file. I've read
Velocity.evaluate() can instantiate them, but I would prefer to have
a "precompiled" Template object (I'm new to Velocity and I am in fact
assuming an object of type Template is a precompiled template). Is
that possible or should I need to write my own StringReso
On the other hand, looks like there is no direct way to create
Template objects given an absolute path, except by computing its
dirname, setting it as template root dir, then load the basename as
relative path. I've seen another workaround which consists of setting
the root dir to the empty string. Isn't there a more convinient way
like a simple method call?
-- fxn
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