public Event execute(
XMLConsumer consumer,
ExpressionContext expressionContext,
ExecutionContext executionContext,
MacroContext macroContext,
Event startEvent,
Event endEvent)
throws SAXException {
Iterator iter = getSubstitutions().iterator();
while (iter.hasNext()) {
Subst subst = (Subst) iter.next();
char[] chars;
if (subst instanceof Literal) {
chars = ((Literal) subst).getCharArray();
consumer.characters(chars, 0, chars.length);
} else {
JXTExpression expr = (JXTExpression) subst;
try {
Object val = expr.getNode(expressionContext);
Invoker.executeNode(consumer, val);
} catch (Exception e) {
throw new SAXParseException(e.getMessage(), getLocation(), e);
} catch (Error err) {
throw new SAXParseException(err.getMessage(), getLocation(), new ErrorHolder(err));
}
}
}
return getNext();
}
public Serializable getKey() {
JXTExpression cacheKeyExpr =
(JXTExpression) this.startDocument.getTemplateProperty(JXTemplateGenerator.CACHE_KEY);
if (cacheKeyExpr == null) return null;
try {
final Serializable templateKey = (Serializable) cacheKeyExpr.getValue(this.expressionContext);
if (templateKey != null) {
return new JXCacheKey(this.startDocument.getUri(), templateKey);
}
} catch (Exception e) {
getLogger().error("error evaluating cache key", e);
}
return null;
}
public SourceValidity getValidity() {
JXTExpression validityExpr =
(JXTExpression) this.startDocument.getTemplateProperty(JXTemplateGenerator.VALIDITY);
if (validityExpr == null) return null;
try {
final SourceValidity sourceValidity = this.startDocument.getSourceValidity();
final SourceValidity templateValidity =
(SourceValidity) validityExpr.getValue(this.expressionContext);
if (sourceValidity != null && templateValidity != null) {
return new JXSourceValidity(sourceValidity, templateValidity);
}
} catch (Exception e) {
getLogger().error("error evaluating cache validity", e);
}
return null;
}