Stylesheet context = parser.getCurrentStylesheet();
String docToLoad = getAttribute("href");
try {
if (context.checkForLoop(docToLoad)) {
final ErrorMsg msg = new ErrorMsg(ErrorMsg.CIRCULAR_INCLUDE_ERR,
docToLoad, this);
parser.reportError(Constants.FATAL, msg);
return;
}
InputSource input = null;
XMLReader reader = null;
String currLoadedDoc = context.getSystemId();
SourceLoader loader = context.getSourceLoader();
// Use SourceLoader if available
if (loader != null) {
input = loader.loadSource(docToLoad, currLoadedDoc, xsltc);
if (input != null) {
docToLoad = input.getSystemId();
reader = xsltc.getXMLReader();
} else if (parser.errorsFound()) {
return;
}
}
// No SourceLoader or not resolved by SourceLoader
if (input == null) {
docToLoad = SystemIDResolver.getAbsoluteURI(docToLoad, currLoadedDoc);
String accessError = SecuritySupport.checkAccess(docToLoad,
(String)xsltc.getProperty(XMLConstants.ACCESS_EXTERNAL_STYLESHEET),
XalanConstants.ACCESS_EXTERNAL_ALL);
if (accessError != null) {
final ErrorMsg msg = new ErrorMsg(ErrorMsg.ACCESSING_XSLT_TARGET_ERR,
SecuritySupport.sanitizePath(docToLoad), accessError,
this);
parser.reportError(Constants.FATAL, msg);
return;
}
input = new InputSource(docToLoad);
}
// Return if we could not resolve the URL
if (input == null) {
final ErrorMsg msg =
new ErrorMsg(ErrorMsg.FILE_NOT_FOUND_ERR, docToLoad, this);
parser.reportError(Constants.FATAL, msg);
return;
}
final SyntaxTreeNode root;