final XSLTC xsltc = parser.getXSLTC();
final Stylesheet context = parser.getCurrentStylesheet();
try {
String docToLoad = getAttribute("href");
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();
}
}
// No SourceLoader or not resolved by SourceLoader
if (input == null) {
docToLoad = SystemIDResolver.getAbsoluteURI(docToLoad, currLoadedDoc);
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;
if (reader != null) {
root = parser.parse(reader,input);
}
else {
root = parser.parse(input);
}
if (root == null) return;
_imported = parser.makeStylesheet(root);
if (_imported == null) return;
_imported.setSourceLoader(loader);
_imported.setSystemId(docToLoad);
_imported.setParentStylesheet(context);
_imported.setImportingStylesheet(context);
// precedence for the including stylesheet
final int currPrecedence = parser.getCurrentImportPrecedence();
final int nextPrecedence = parser.getNextImportPrecedence();
_imported.setImportPrecedence(currPrecedence);
context.setImportPrecedence(nextPrecedence);
parser.setCurrentStylesheet(_imported);
_imported.parseContents(parser);
final Enumeration elements = _imported.elements();
final Stylesheet topStylesheet = parser.getTopLevelStylesheet();
while (elements.hasMoreElements()) {
final Object element = elements.nextElement();
if (element instanceof TopLevelElement) {
if (element instanceof Variable) {
topStylesheet.addVariable((Variable) element);
}
else if (element instanceof Param) {
topStylesheet.addParam((Param) element);
}
else {
topStylesheet.addElement((TopLevelElement) element);
}
}
}
}
catch (Exception e) {
e.printStackTrace();
}
finally {
parser.setCurrentStylesheet(context);
}
