/**
* Extracts the nodes from the domDocument.
* @since 2.1.5
*/
private void ExtractNodes()
{
XmlNode n = domDocument.FirstChild;
while (n.NodeType != XmlNodeType.Element || n.ChildNodes.Count == 0)
{
n = n.NextSibling;
}
n = n.FirstChild;
while (n != null)
{
if (n.NodeType == XmlNodeType.Element)
{
String s = n.LocalName;
if ("template".Equals(s))
{
templateNode = n;
templateSom = new Xml2SomTemplate(n);
}
else if ("datasets".Equals(s))
{
datasetsNode = n;
datasetsSom = new Xml2SomDatasets(n.FirstChild);
}
}
n = n.NextSibling;
}
}
/**
* Extracts the nodes from the domDocument.
* @since 2.1.5
*/
private void ExtractNodes()
{
Dictionary <String, XmlNode> xfaNodes = ExtractXFANodes(domDocument);
if (xfaNodes.ContainsKey("template"))
{
templateNode = xfaNodes["template"];
templateSom = new Xml2SomTemplate(templateNode);
}
if (xfaNodes.ContainsKey("datasets"))
{
datasetsNode = xfaNodes["datasets"];
datasetsSom = new Xml2SomDatasets(datasetsNode.FirstChild);
}
if (datasetsNode == null)
{
CreateDatasetsNode(domDocument.FirstChild);
}
}
/**
* A constructor from a <CODE>PdfReader</CODE>. It basically does everything
* from finding the XFA stream to the XML parsing.
* @param reader the reader
* @throws java.io.IOException on error
* @throws javax.xml.parsers.ParserConfigurationException on error
* @throws org.xml.sax.SAXException on error
*/
public XfaForm(PdfReader reader)
{
this.reader = reader;
PdfDictionary af = (PdfDictionary)PdfReader.GetPdfObjectRelease(reader.Catalog.Get(PdfName.ACROFORM));
if (af == null) {
xfaPresent = false;
return;
}
PdfObject xfa = PdfReader.GetPdfObjectRelease(af.Get(PdfName.XFA));
if (xfa == null) {
xfaPresent = false;
return;
}
xfaPresent = true;
MemoryStream bout = new MemoryStream();
if (xfa.IsArray()) {
ArrayList ar = ((PdfArray)xfa).ArrayList;
for (int k = 1; k < ar.Count; k += 2) {
PdfObject ob = PdfReader.GetPdfObject((PdfObject)ar[k]);
if (ob is PRStream) {
byte[] b = PdfReader.GetStreamBytes((PRStream)ob);
bout.Write(b, 0, b.Length);
}
}
}
else if (xfa is PRStream) {
byte[] b = PdfReader.GetStreamBytes((PRStream)xfa);
bout.Write(b, 0, b.Length);
}
bout.Seek(0, SeekOrigin.Begin);
XmlTextReader xtr = new XmlTextReader(bout);
domDocument = new XmlDocument();
domDocument.Load(xtr);
XmlNode n = domDocument.FirstChild;
while (n.NodeType != XmlNodeType.Element)
n = n.NextSibling;
n = n.FirstChild;
while (n != null) {
if (n.NodeType == XmlNodeType.Element) {
String s = n.LocalName;
if (s.Equals("template")) {
templateNode = n;
templateSom = new Xml2SomTemplate(n);
}
else if (s.Equals("datasets")) {
datasetsNode = n;
datasetsSom = new Xml2SomDatasets(n.FirstChild);
}
}
n = n.NextSibling;
}
}
/**
* Extracts the nodes from the domDocument.
* @since 2.1.5
*/
private void ExtractNodes()
{
XmlNode n = domDocument.FirstChild;
while (n.NodeType != XmlNodeType.Element || n.ChildNodes.Count == 0)
n = n.NextSibling;
n = n.FirstChild;
while (n != null) {
if (n.NodeType == XmlNodeType.Element) {
String s = n.LocalName;
if (s.Equals("template")) {
templateNode = n;
templateSom = new Xml2SomTemplate(n);
}
else if (s.Equals("datasets")) {
datasetsNode = n;
datasetsSom = new Xml2SomDatasets(n.FirstChild);
}
}
n = n.NextSibling;
}
}
/**
* A constructor from a <CODE>PdfReader</CODE>. It basically does everything
* from finding the XFA stream to the XML parsing.
* @param reader the reader
* @throws java.io.IOException on error
* @throws javax.xml.parsers.ParserConfigurationException on error
* @throws org.xml.sax.SAXException on error
*/
public XfaForm(PdfReader reader)
{
this.reader = reader;
PdfDictionary af = (PdfDictionary)PdfReader.GetPdfObjectRelease(reader.Catalog.Get(PdfName.ACROFORM));
if (af == null)
{
xfaPresent = false;
return;
}
PdfObject xfa = PdfReader.GetPdfObjectRelease(af.Get(PdfName.XFA));
if (xfa == null)
{
xfaPresent = false;
return;
}
xfaPresent = true;
MemoryStream bout = new MemoryStream();
if (xfa.IsArray())
{
ArrayList ar = ((PdfArray)xfa).ArrayList;
for (int k = 1; k < ar.Count; k += 2)
{
PdfObject ob = PdfReader.GetPdfObject((PdfObject)ar[k]);
if (ob != null && ob is PRStream)
{
byte[] b = PdfReader.GetStreamBytes((PRStream)ob);
bout.Write(b, 0, b.Length);
}
}
}
else if (xfa is PRStream)
{
byte[] b = PdfReader.GetStreamBytes((PRStream)xfa);
bout.Write(b, 0, b.Length);
}
bout.Seek(0, SeekOrigin.Begin);
XmlTextReader xtr = new XmlTextReader(bout);
domDocument = new XmlDocument();
domDocument.Load(xtr);
XmlNode n = domDocument.FirstChild;
while (n.NodeType != XmlNodeType.Element)
{
n = n.NextSibling;
}
n = n.FirstChild;
while (n != null)
{
if (n.NodeType == XmlNodeType.Element)
{
String s = n.LocalName;
if (s.Equals("template"))
{
templateNode = n;
templateSom = new Xml2SomTemplate(n);
}
else if (s.Equals("datasets"))
{
datasetsNode = n;
datasetsSom = new Xml2SomDatasets(n.FirstChild);
}
}
n = n.NextSibling;
}
}