/**
* Compiles an XSL stylesheet passed in through an InputStream
*
* @param input An InputSource that will pass in the stylesheet contents
* @param name The name of the translet class to generate - can be null
* @return 'true' if the compilation was successful
*/
public boolean compile(InputSource input, String name) {
try {
// Reset globals in case we're called by compile(Vector v);
reset();
// The systemId may not be set, so we'll have to check the URL
String systemId = null;
if (input != null) {
systemId = input.getSystemId();
}
// Set the translet class name if not already set
if (_className == null) {
if (name != null) {
setClassName(name);
} else if (systemId != null && !systemId.equals("")) {
setClassName(Util.baseName(systemId));
}
// Ensure we have a non-empty class name at this point
if (_className == null || _className.length() == 0) {
setClassName("GregorSamsa"); // default translet name
}
}
// Get the root node of the abstract syntax tree
SyntaxTreeNode element = null;
if (_reader == null) {
element = _parser.parse(input);
} else {
element = _parser.parse(_reader, input);
}
// Compile the translet - this is where the work is done!
if ((!_parser.errorsFound()) && (element != null)) {
// Create a Stylesheet element from the root node
_stylesheet = _parser.makeStylesheet(element);
_stylesheet.setSourceLoader(_loader);
_stylesheet.setSystemId(systemId);
_stylesheet.setParentStylesheet(null);
_stylesheet.setTemplateInlining(_templateInlining);
_parser.setCurrentStylesheet(_stylesheet);
// Create AST under the Stylesheet element (parse & type-check)
_parser.createAST(_stylesheet);
}
// Generate the bytecodes and output the translet class(es)
if ((!_parser.errorsFound()) && (_stylesheet != null)) {
_stylesheet.setCallsNodeset(_callsNodeset);
_stylesheet.setMultiDocument(_multiDocument);
_stylesheet.setHasIdCall(_hasIdCall);
// Class synchronization is needed for BCEL
synchronized (getClass()) {
_stylesheet.translate();
}
}
} catch (Exception e) {
/*if (_debug)*/ e.printStackTrace();
_parser.reportError(Constants.FATAL, new ErrorMsg(e));
} catch (Error e) {
if (_debug) e.printStackTrace();
_parser.reportError(Constants.FATAL, new ErrorMsg(e));
} finally {
_reader = null; // reset this here to be sure it is not re-used
}
return !_parser.errorsFound();
}
