/**
* Returns existing compiled Templates if it exists.
*
* @param systemId source path for the stylesheet.
* @return a compiled stylesheet
*/
StylesheetImpl loadPrecompiledStylesheet(String systemId, String userId, boolean checkModified) {
if (!_loadPrecompiledStylesheet) return null;
try {
// look for compiled template base on SystemID
StylesheetImpl stylesheet = loadStylesheet(systemId, getMangledName(userId));
if (stylesheet == null) return null;
stylesheet.setURIResolver(_uriResolver);
// and check if it's modified or not
if (!checkModified || !stylesheet.isModified()) {
stylesheet.setURIResolver(_uriResolver);
return stylesheet;
}
} catch (Throwable e) {
log.log(Level.FINER, e.toString(), e);
}
return null;
}
/**
* Loads the compiled stylesheet .class file
*
* @param className the mangled classname for the stylesheet
*/
protected StylesheetImpl loadStylesheet(String systemId, String className) throws Exception {
LruCache<String, SoftReference<StylesheetImpl>> cache;
ClassLoader parentLoader = Thread.currentThread().getContextClassLoader();
cache = _stylesheetCache.getLevel(parentLoader);
if (cache == null) {
cache = new LruCache<String, SoftReference<StylesheetImpl>>(256);
_stylesheetCache.set(cache, parentLoader);
}
SoftReference<StylesheetImpl> stylesheetRef;
stylesheetRef = cache.get(className);
StylesheetImpl stylesheet = null;
if (stylesheetRef != null) stylesheet = stylesheetRef.get();
try {
if (stylesheet != null && !stylesheet.isModified()) return stylesheet;
} catch (Throwable e) {
log.log(Level.FINER, e.toString(), e);
}
Path classPath = getWorkPath().lookup(className.replace('.', '/') + ".class");
if (!classPath.canRead())
throw new ClassNotFoundException("can't find compiled XSL `" + className + "'");
DynamicClassLoader loader;
loader = SimpleLoader.create(parentLoader, getWorkPath(), className);
Class cl = null;
// If the loading fails, remove the class because it may be corrupted
try {
cl = CauchoSystem.loadClass(className, false, loader);
} catch (Error e) {
try {
classPath.remove();
} catch (IOException e1) {
log.log(Level.FINE, e1.toString(), e1);
}
throw e;
}
stylesheet = (StylesheetImpl) cl.newInstance();
Path path;
path = getSearchPath().lookup("").lookup(systemId);
/*
try {
} catch (TransformerException e) {
log.log(Level.FINE, e.toString(), e);
path = Vfs.lookup(systemId);
}
*/
// stylesheet.init(path);
stylesheet.init(getStylePath());
stylesheet.setURIResolver(_uriResolver);
stylesheetRef = new SoftReference<StylesheetImpl>(stylesheet);
cache.put(className, stylesheetRef);
return stylesheet;
}