/*
* Analyze the schema at the given URI, the schema is parsed and stored in
* XMLObjectInfos.
*/
private void analyzeXSD(URI uri) {
uri = uri.normalize();
// already seen this xsd, skip it
if (xmlObjectInfos.containsKey(uri.toString())) return;
XSDSchema xsdSchema = XSDSchemaImpl.getSchemaForSchema(uri.toString());
String encoding = null;
// if schema is not cached, parse it
if (xsdSchema == null) {
XSDParser p = new XSDParser(null);
InputStream is = NetUtils.getURLInputStream(uri.toString());
if (is != null) {
p.parse(is);
xsdSchema = p.getSchema();
encoding = p.getEncoding();
}
} else encoding = xsdSchema.getDocument().getXmlEncoding();
if (xsdSchema != null) {
if (encoding == null) encoding = "UTF-8";
XMLObjectInfo info = new XMLObjectInfo(new Path(uri.getPath()), xsdSchema, encoding);
xmlObjectInfos.put(uri.toString(), info);
updatePathPrefix(info);
// analyze its imports and includes
analyzeXSD(uri, xsdSchema);
}
}
public String getXSDSchemaAsString() throws Exception {
if (xsdSchema == null) {
return ""; //$NON-NLS-1$
}
Document document = xsdSchema.getDocument();
String schema = Util.nodeToString(document);
// FIXES a bug in the XSD library that puts nillable attributes in
// elements which are ref
// That is illegal according to W3C §3.3.3 / 2.2 (and Xerces)
Pattern p =
Pattern.compile(
"(<([a-z]+:)?element.*?)nillable=['|\"].*?['|\"](.*?ref=.*?>)"); //$NON-NLS-1$
schema = p.matcher(schema).replaceAll("$1 $3"); // $NON-NLS-1$
return schema;
}
/*
* Writes the xsd schema to the file at the given path, relative to the target folder.
*/
private String writeXMLObj(
IPath path, XSDSchema xsdSchema, String encoding, IProgressMonitor monitor)
throws TransformerConfigurationException, TransformerException, URIException, IOException,
CoreException {
Transformer serializer = TransformerFactory.newInstance().newTransformer();
Document document = xsdSchema.getDocument();
serializer.setOutputProperty(OutputKeys.INDENT, "yes");
serializer.setOutputProperty(OutputKeys.ENCODING, encoding);
serializer.setOutputProperty("{http://xml.apache.org/xslt}indent-amount", "2");
Element e = xsdSchema.getElement();
DOMSource domSource = new DOMSource(e);
String[] targetURI = appendPathToURI(targetFolderURI, path);
OutputStream os = uriFactory.newURI(targetURI[0]).getOutputStream();
serializer.transform(domSource, new StreamResult(os));
os.close();
return targetURI[1];
}
protected void afterDoAction() {
if (!omitTrack) {
commitDocumentToCurrent(schema.getDocument());
}
}
protected void beforeDoAction() {
schema = ((ISchemaContentProvider) page.getTreeViewer().getContentProvider()).getXsdSchema();
if (!omitTrack) {
commitDocumentToHistory(schema.getDocument());
}
}