private ApplicationFrame createView(IInitializationPreferences initializationPreferences) {
try {
displayStatus("Starting Platform...");
return new GuiInitializer(initializationPreferences).initialize().getWindow();
} catch (InitializationException e) {
LoggerFactory.getLogger(Anathema.class).error("Could not start platform.", e);
return new ErrorWindow(e);
}
}
/** Verifies the signatures in an LTV document. */
public class LtvVerifier extends RootStoreVerifier {
/** The Logger instance */
protected static final Logger LOGGER = LoggerFactory.getLogger(LtvVerifier.class);
/** Do we need to check all certificate, or only the signing certificate? */
protected CertificateOption option = CertificateOption.SIGNING_CERTIFICATE;
/** Verify root. */
protected boolean verifyRootCertificate = true;
/** A reader object for the revision that is being verified. */
protected PdfReader reader;
/** The fields in the revision that is being verified. */
protected AcroFields fields;
/** The date the revision was signed, or <code>null</code> for the highest revision. */
protected Date signDate;
/** The signature that covers the revision. */
protected String signatureName;
/** The PdfPKCS7 object for the signature. */
protected PdfPKCS7 pkcs7;
/** Indicates if we're working with the latest revision. */
protected boolean latestRevision = true;
/** The document security store for the revision that is being verified */
protected PdfDictionary dss;
/**
* Creates a VerificationData object for a PdfReader
*
* @param reader a reader for the document we want to verify.
* @throws GeneralSecurityException
*/
public LtvVerifier(PdfReader reader) throws GeneralSecurityException {
super(null);
this.reader = reader;
this.fields = reader.getAcroFields();
List<String> names = fields.getSignatureNames();
signatureName = names.get(names.size() - 1);
this.signDate = new Date();
pkcs7 = coversWholeDocument();
LOGGER.info(
String.format(
"Checking %ssignature %s",
pkcs7.isTsp() ? "document-level timestamp " : "", signatureName));
}
/**
* Sets an extra verifier.
*
* @param verifier the verifier to set
*/
public void setVerifier(CertificateVerifier verifier) {
this.verifier = verifier;
}
/**
* Sets the certificate option.
*
* @param option Either CertificateOption.SIGNING_CERTIFICATE (default) or
* CertificateOption.WHOLE_CHAIN
*/
public void setCertificateOption(CertificateOption option) {
this.option = option;
}
/** Set the verifyRootCertificate to false if you can't verify the root certificate. */
public void setVerifyRootCertificate(boolean verifyRootCertificate) {
this.verifyRootCertificate = verifyRootCertificate;
}
/**
* Checks if the signature covers the whole document and throws an exception if the document was
* altered
*
* @return a PdfPKCS7 object
* @throws GeneralSecurityException
*/
protected PdfPKCS7 coversWholeDocument() throws GeneralSecurityException {
PdfPKCS7 pkcs7 = fields.verifySignature(signatureName);
if (fields.signatureCoversWholeDocument(signatureName)) {
LOGGER.info("The timestamp covers whole document.");
} else {
throw new VerificationException(null, "Signature doesn't cover whole document.");
}
if (pkcs7.verify()) {
LOGGER.info("The signed document has not been modified.");
return pkcs7;
} else {
throw new VerificationException(
null, "The document was altered after the final signature was applied.");
}
}
/**
* Verifies all the document-level timestamps and all the signatures in the document.
*
* @throws IOException
* @throws GeneralSecurityException
*/
public List<VerificationOK> verify(List<VerificationOK> result)
throws IOException, GeneralSecurityException {
if (result == null) result = new ArrayList<VerificationOK>();
while (pkcs7 != null) {
result.addAll(verifySignature());
}
return result;
}
/**
* Verifies a document level timestamp.
*
* @throws GeneralSecurityException
* @throws IOException
*/
public List<VerificationOK> verifySignature() throws GeneralSecurityException, IOException {
LOGGER.info("Verifying signature.");
List<VerificationOK> result = new ArrayList<VerificationOK>();
// Get the certificate chain
Certificate[] chain = pkcs7.getSignCertificateChain();
verifyChain(chain);
// how many certificates in the chain do we need to check?
int total = 1;
if (CertificateOption.WHOLE_CHAIN.equals(option)) {
total = chain.length;
}
// loop over the certificates
X509Certificate signCert;
X509Certificate issuerCert;
for (int i = 0; i < total; ) {
// the certificate to check
signCert = (X509Certificate) chain[i++];
// its issuer
issuerCert = null;
if (i < chain.length) issuerCert = (X509Certificate) chain[i];
// now lets verify the certificate
LOGGER.info(signCert.getSubjectDN().getName());
List<VerificationOK> list = verify(signCert, issuerCert, signDate);
if (list.size() == 0) {
try {
signCert.verify(signCert.getPublicKey());
if (latestRevision && chain.length > 1) {
list.add(
new VerificationOK(
signCert, this.getClass(), "Root certificate in final revision"));
}
if (list.size() == 0 && verifyRootCertificate) {
throw new GeneralSecurityException();
} else if (chain.length > 1)
list.add(
new VerificationOK(
signCert, this.getClass(), "Root certificate passed without checking"));
} catch (GeneralSecurityException e) {
throw new VerificationException(
signCert, "Couldn't verify with CRL or OCSP or trusted anchor");
}
}
result.addAll(list);
}
// go to the previous revision
switchToPreviousRevision();
return result;
}
/**
* Checks the certificates in a certificate chain: are they valid on a specific date, and do they
* chain up correctly?
*
* @param chain
* @throws GeneralSecurityException
*/
public void verifyChain(Certificate[] chain) throws GeneralSecurityException {
// Loop over the certificates in the chain
for (int i = 0; i < chain.length; i++) {
X509Certificate cert = (X509Certificate) chain[i];
// check if the certificate was/is valid
cert.checkValidity(signDate);
// check if the previous certificate was issued by this certificate
if (i > 0) chain[i - 1].verify(chain[i].getPublicKey());
}
LOGGER.info("All certificates are valid on " + signDate.toString());
}
/**
* Verifies certificates against a list of CRLs and OCSP responses.
*
* @param signingCert
* @param issuerCert
* @return a list of <code>VerificationOK</code> objects. The list will be empty if the
* certificate couldn't be verified.
* @throws GeneralSecurityException
* @throws IOException
* @see
* com.itextpdf.text.pdf.security.RootStoreVerifier#verify(java.security.cert.X509Certificate,
* java.security.cert.X509Certificate)
*/
public List<VerificationOK> verify(
X509Certificate signCert, X509Certificate issuerCert, Date signDate)
throws GeneralSecurityException, IOException {
// we'll verify agains the rootstore (if present)
RootStoreVerifier rootStoreVerifier = new RootStoreVerifier(verifier);
rootStoreVerifier.setRootStore(rootStore);
// We'll verify against a list of CRLs
CRLVerifier crlVerifier = new CRLVerifier(rootStoreVerifier, getCRLsFromDSS());
crlVerifier.setRootStore(rootStore);
crlVerifier.setOnlineCheckingAllowed(latestRevision || onlineCheckingAllowed);
// We'll verify against a list of OCSPs
OCSPVerifier ocspVerifier = new OCSPVerifier(crlVerifier, getOCSPResponsesFromDSS());
ocspVerifier.setRootStore(rootStore);
ocspVerifier.setOnlineCheckingAllowed(latestRevision || onlineCheckingAllowed);
// We verify the chain
return ocspVerifier.verify(signCert, issuerCert, signDate);
}
/**
* Switches to the previous revision.
*
* @throws IOException
* @throws GeneralSecurityException
*/
public void switchToPreviousRevision() throws IOException, GeneralSecurityException {
LOGGER.info("Switching to previous revision.");
latestRevision = false;
dss = reader.getCatalog().getAsDict(PdfName.DSS);
Calendar cal = pkcs7.getTimeStampDate();
if (cal == null) cal = pkcs7.getSignDate();
// TODO: get date from signature
signDate = cal.getTime();
List<String> names = fields.getSignatureNames();
if (names.size() > 1) {
signatureName = names.get(names.size() - 2);
reader = new PdfReader(fields.extractRevision(signatureName));
this.fields = reader.getAcroFields();
names = fields.getSignatureNames();
signatureName = names.get(names.size() - 1);
pkcs7 = coversWholeDocument();
LOGGER.info(
String.format(
"Checking %ssignature %s",
pkcs7.isTsp() ? "document-level timestamp " : "", signatureName));
} else {
LOGGER.info("No signatures in revision");
pkcs7 = null;
}
}
/**
* Gets a list of X509CRL objects from a Document Security Store.
*
* @return a list of CRLs
* @throws GeneralSecurityException
* @throws IOException
*/
public List<X509CRL> getCRLsFromDSS() throws GeneralSecurityException, IOException {
List<X509CRL> crls = new ArrayList<X509CRL>();
if (dss == null) return crls;
PdfArray crlarray = dss.getAsArray(PdfName.CRLS);
if (crlarray == null) return crls;
CertificateFactory cf = CertificateFactory.getInstance("X.509");
for (int i = 0; i < crlarray.size(); i++) {
PRStream stream = (PRStream) crlarray.getAsStream(i);
X509CRL crl =
(X509CRL) cf.generateCRL(new ByteArrayInputStream(PdfReader.getStreamBytes(stream)));
crls.add(crl);
}
return crls;
}
/**
* Gets OCSP responses from the Document Security Store.
*
* @return a list of BasicOCSPResp objects
* @throws IOException
* @throws GeneralSecurityException
*/
public List<BasicOCSPResp> getOCSPResponsesFromDSS()
throws IOException, GeneralSecurityException {
List<BasicOCSPResp> ocsps = new ArrayList<BasicOCSPResp>();
if (dss == null) return ocsps;
PdfArray ocsparray = dss.getAsArray(PdfName.OCSPS);
if (ocsparray == null) return ocsps;
for (int i = 0; i < ocsparray.size(); i++) {
PRStream stream = (PRStream) ocsparray.getAsStream(i);
OCSPResp ocspResponse = new OCSPResp(PdfReader.getStreamBytes(stream));
if (ocspResponse.getStatus() == 0)
try {
ocsps.add((BasicOCSPResp) ocspResponse.getResponseObject());
} catch (OCSPException e) {
throw new GeneralSecurityException(e);
}
}
return ocsps;
}
}
/**
* Old iText class that allows you to convert HTML to PDF. We've completely rewritten HTML to PDF
* conversion and we made it a separate project named XML Worker.
*
* @deprecated please switch to XML Worker instead (this is a separate project)
*/
public class HTMLWorker implements SimpleXMLDocHandler, DocListener {
private static Logger LOGGER = LoggerFactory.getLogger(HTMLWorker.class);
/**
* DocListener that will listen to the Elements produced by parsing the HTML. This can be a
* com.lowagie.text.Document adding the elements to a Document directly, or an HTMLWorker instance
* strong the objects in a List
*/
protected DocListener document;
/**
* The map with all the supported tags.
*
* @since 5.0.6
*/
protected Map<String, HTMLTagProcessor> tags;
/** The object defining all the styles. */
private StyleSheet style = new StyleSheet();
/**
* Creates a new instance of HTMLWorker
*
* @param document A class that implements <CODE>DocListener</CODE>
*/
public HTMLWorker(final DocListener document) {
this(document, null, null);
}
/**
* Creates a new instance of HTMLWorker
*
* @param document A class that implements <CODE>DocListener</CODE>
* @param tags A map containing the supported tags
* @param style A StyleSheet
* @since 5.0.6
*/
public HTMLWorker(
final DocListener document,
final Map<String, HTMLTagProcessor> tags,
final StyleSheet style) {
this.document = document;
setSupportedTags(tags);
setStyleSheet(style);
}
/**
* Sets the map with supported tags.
*
* @param tags
* @since 5.0.6
*/
public void setSupportedTags(Map<String, HTMLTagProcessor> tags) {
if (tags == null) tags = new HTMLTagProcessors();
this.tags = tags;
}
/**
* Setter for the StyleSheet
*
* @param style the StyleSheet
*/
public void setStyleSheet(StyleSheet style) {
if (style == null) style = new StyleSheet();
this.style = style;
}
/**
* Parses content read from a java.io.Reader object.
*
* @param reader the content
* @throws IOException
*/
public void parse(final Reader reader) throws IOException {
LOGGER.info(
"Please note, there is a more extended version of the HTMLWorker available in the iText XMLWorker");
SimpleXMLParser.parse(this, null, reader, true);
}
// state machine
/**
* Stack with the Elements that already have been processed.
*
* @since iText 5.0.6 (private => protected)
*/
protected Stack<Element> stack = new Stack<Element>();
/**
* Keeps the content of the current paragraph
*
* @since iText 5.0.6 (private => protected)
*/
protected Paragraph currentParagraph;
/**
* The current hierarchy chain of tags.
*
* @since 5.0.6
*/
private final ChainedProperties chain = new ChainedProperties();
/** @see com.itextpdf.text.xml.simpleparser.SimpleXMLDocHandler#startDocument() */
public void startDocument() {
HashMap<String, String> attrs = new HashMap<String, String>();
style.applyStyle(HtmlTags.BODY, attrs);
chain.addToChain(HtmlTags.BODY, attrs);
}
/**
* @see com.itextpdf.text.xml.simpleparser.SimpleXMLDocHandler#startElement(java.lang.String,
* java.util.Map)
*/
public void startElement(final String tag, final Map<String, String> attrs) {
HTMLTagProcessor htmlTag = tags.get(tag);
if (htmlTag == null) {
return;
}
// apply the styles to attrs
style.applyStyle(tag, attrs);
// deal with the style attribute
StyleSheet.resolveStyleAttribute(attrs, chain);
// process the tag
try {
htmlTag.startElement(this, tag, attrs);
} catch (DocumentException e) {
throw new ExceptionConverter(e);
} catch (IOException e) {
throw new ExceptionConverter(e);
}
}
/** @see com.itextpdf.text.xml.simpleparser.SimpleXMLDocHandler#text(java.lang.String) */
public void text(String content) {
if (skipText) return;
if (currentParagraph == null) {
currentParagraph = createParagraph();
}
if (!insidePRE) {
// newlines and carriage returns are ignored
if (content.trim().length() == 0 && content.indexOf(' ') < 0) {
return;
}
content = HtmlUtilities.eliminateWhiteSpace(content);
}
Chunk chunk = createChunk(content);
currentParagraph.add(chunk);
}
/** @see com.itextpdf.text.xml.simpleparser.SimpleXMLDocHandler#endElement(java.lang.String) */
public void endElement(final String tag) {
HTMLTagProcessor htmlTag = tags.get(tag);
if (htmlTag == null) {
return;
}
// process the tag
try {
htmlTag.endElement(this, tag);
} catch (DocumentException e) {
throw new ExceptionConverter(e);
}
}
/** @see com.itextpdf.text.xml.simpleparser.SimpleXMLDocHandler#endDocument() */
public void endDocument() {
try {
// flush the stack
for (int k = 0; k < stack.size(); ++k) document.add(stack.elementAt(k));
// add current paragraph
if (currentParagraph != null) document.add(currentParagraph);
currentParagraph = null;
} catch (Exception e) {
throw new ExceptionConverter(e);
}
}
// stack and current paragraph operations
/**
* Adds a new line to the currentParagraph.
*
* @since 5.0.6
*/
public void newLine() {
if (currentParagraph == null) {
currentParagraph = new Paragraph();
}
currentParagraph.add(createChunk("\n"));
}
/**
* Flushes the current paragraph, indicating that we're starting a new block. If the stack is
* empty, the paragraph is added to the document. Otherwise the Paragraph is added to the stack.
*
* @since 5.0.6
*/
public void carriageReturn() throws DocumentException {
if (currentParagraph == null) return;
if (stack.empty()) document.add(currentParagraph);
else {
Element obj = stack.pop();
if (obj instanceof TextElementArray) {
TextElementArray current = (TextElementArray) obj;
current.add(currentParagraph);
}
stack.push(obj);
}
currentParagraph = null;
}
/**
* Stacks the current paragraph, indicating that we're starting a new span.
*
* @since 5.0.6
*/
public void flushContent() {
pushToStack(currentParagraph);
currentParagraph = new Paragraph();
}
/**
* Pushes an element to the Stack.
*
* @param element
* @since 5.0.6
*/
public void pushToStack(final Element element) {
if (element != null) stack.push(element);
}
/**
* Updates the chain with a new tag and new attributes.
*
* @param tag the new tag
* @param attrs the corresponding attributes
* @since 5.0.6
*/
public void updateChain(final String tag, final Map<String, String> attrs) {
chain.addToChain(tag, attrs);
}
/**
* Updates the chain by removing a tag.
*
* @param tag the new tag
* @since 5.0.6
*/
public void updateChain(final String tag) {
chain.removeChain(tag);
}
// providers that help find resources such as images and fonts
/**
* Key used to store the image provider in the providers map.
*
* @since 5.0.6
*/
public static final String IMG_PROVIDER = "img_provider";
/**
* Key used to store the image processor in the providers map.
*
* @since 5.0.6
*/
public static final String IMG_PROCESSOR = "img_interface";
/**
* Key used to store the image store in the providers map.
*
* @since 5.0.6
*/
public static final String IMG_STORE = "img_static";
/**
* Key used to store the image baseurl provider in the providers map.
*
* @since 5.0.6
*/
public static final String IMG_BASEURL = "img_baseurl";
/**
* Key used to store the font provider in the providers map.
*
* @since 5.0.6
*/
public static final String FONT_PROVIDER = "font_factory";
/**
* Key used to store the link provider in the providers map.
*
* @since 5.0.6
*/
public static final String LINK_PROVIDER = "alink_interface";
/**
* Map containing providers such as a FontProvider or ImageProvider.
*
* @since 5.0.6 (renamed from interfaceProps)
*/
private Map<String, Object> providers = new HashMap<String, Object>();
/**
* Setter for the providers. If a FontProvider is added, the ElementFactory is updated.
*
* @param providers a Map with different providers
* @since 5.0.6
*/
public void setProviders(final Map<String, Object> providers) {
if (providers == null) return;
this.providers = providers;
FontProvider ff = null;
if (providers != null) ff = (FontProvider) providers.get(FONT_PROVIDER);
if (ff != null) factory.setFontProvider(ff);
}
// factory that helps create objects
/**
* Factory that is able to create iText Element objects.
*
* @since 5.0.6
*/
private final ElementFactory factory = new ElementFactory();
/**
* Creates a Chunk using the factory.
*
* @param content the content of the chunk
* @return a Chunk with content
* @since 5.0.6
*/
public Chunk createChunk(final String content) {
return factory.createChunk(content, chain);
}
/**
* Creates a Paragraph using the factory.
*
* @return a Paragraph without any content
* @since 5.0.6
*/
public Paragraph createParagraph() {
return factory.createParagraph(chain);
}
/**
* Creates a List object.
*
* @param tag should be "ol" or "ul"
* @return a List object
* @since 5.0.6
*/
public com.itextpdf.text.List createList(final String tag) {
return factory.createList(tag, chain);
}
/**
* Creates a ListItem object.
*
* @return a ListItem object
* @since 5.0.6
*/
public ListItem createListItem() {
return factory.createListItem(chain);
}
/**
* Creates a LineSeparator object.
*
* @param attrs properties of the LineSeparator
* @return a LineSeparator object
* @since 5.0.6
*/
public LineSeparator createLineSeparator(final Map<String, String> attrs) {
return factory.createLineSeparator(attrs, currentParagraph.getLeading() / 2);
}
/**
* Creates an Image object.
*
* @param attrs properties of the Image
* @return an Image object (or null if the Image couldn't be found)
* @throws DocumentException
* @throws IOException
* @since 5.0.6
*/
public Image createImage(final Map<String, String> attrs) throws DocumentException, IOException {
String src = attrs.get(HtmlTags.SRC);
if (src == null) return null;
Image img =
factory.createImage(
src,
attrs,
chain,
document,
(ImageProvider) providers.get(IMG_PROVIDER),
(ImageStore) providers.get(IMG_STORE),
(String) providers.get(IMG_BASEURL));
return img;
}
/**
* Creates a Cell.
*
* @param tag the tag
* @return a CellWrapper object
* @since 5.0.6
*/
public CellWrapper createCell(final String tag) {
return new CellWrapper(tag, chain);
}
// processing objects
/**
* Adds a link to the current paragraph.
*
* @since 5.0.6
*/
public void processLink() {
if (currentParagraph == null) {
currentParagraph = new Paragraph();
}
// The link provider allows you to do additional processing
LinkProcessor i = (LinkProcessor) providers.get(HTMLWorker.LINK_PROVIDER);
if (i == null || !i.process(currentParagraph, chain)) {
// sets an Anchor for all the Chunks in the current paragraph
String href = chain.getProperty(HtmlTags.HREF);
if (href != null) {
for (Chunk ck : currentParagraph.getChunks()) {
ck.setAnchor(href);
}
}
}
// a link should be added to the current paragraph as a phrase
if (stack.isEmpty()) {
// no paragraph to add too, 'a' tag is first element
Paragraph tmp = new Paragraph(new Phrase(currentParagraph));
currentParagraph = tmp;
} else {
Paragraph tmp = (Paragraph) stack.pop();
tmp.add(new Phrase(currentParagraph));
currentParagraph = tmp;
}
}
/**
* Fetches the List from the Stack and adds it to the TextElementArray on top of the Stack, or to
* the Document if the Stack is empty.
*
* @throws DocumentException
* @since 5.0.6
*/
public void processList() throws DocumentException {
if (stack.empty()) return;
Element obj = stack.pop();
if (!(obj instanceof com.itextpdf.text.List)) {
stack.push(obj);
return;
}
if (stack.empty()) document.add(obj);
else ((TextElementArray) stack.peek()).add(obj);
}
/**
* Looks for the List object on the Stack, and adds the ListItem to the List.
*
* @throws DocumentException
* @since 5.0.6
*/
public void processListItem() throws DocumentException {
if (stack.empty()) return;
Element obj = stack.pop();
if (!(obj instanceof ListItem)) {
stack.push(obj);
return;
}
if (stack.empty()) {
document.add(obj);
return;
}
ListItem item = (ListItem) obj;
Element list = stack.pop();
if (!(list instanceof com.itextpdf.text.List)) {
stack.push(list);
return;
}
((com.itextpdf.text.List) list).add(item);
item.adjustListSymbolFont();
stack.push(list);
}
/**
* Processes an Image.
*
* @param img
* @param attrs
* @throws DocumentException
* @since 5.0.6
*/
public void processImage(final Image img, final Map<String, String> attrs)
throws DocumentException {
ImageProcessor processor = (ImageProcessor) providers.get(HTMLWorker.IMG_PROCESSOR);
if (processor == null || !processor.process(img, attrs, chain, document)) {
String align = attrs.get(HtmlTags.ALIGN);
if (align != null) {
carriageReturn();
}
if (currentParagraph == null) {
currentParagraph = createParagraph();
}
currentParagraph.add(new Chunk(img, 0, 0, true));
currentParagraph.setAlignment(HtmlUtilities.alignmentValue(align));
if (align != null) {
carriageReturn();
}
}
}
/**
* Processes the Table.
*
* @throws DocumentException
* @since 5.0.6
*/
public void processTable() throws DocumentException {
TableWrapper table = (TableWrapper) stack.pop();
PdfPTable tb = table.createTable();
tb.setSplitRows(true);
if (stack.empty()) document.add(tb);
else ((TextElementArray) stack.peek()).add(tb);
}
/**
* Gets the TableWrapper from the Stack and adds a new row.
*
* @since 5.0.6
*/
public void processRow() {
ArrayList<PdfPCell> row = new ArrayList<PdfPCell>();
ArrayList<Float> cellWidths = new ArrayList<Float>();
boolean percentage = false;
float width;
float totalWidth = 0;
int zeroWidth = 0;
TableWrapper table = null;
while (true) {
Element obj = stack.pop();
if (obj instanceof CellWrapper) {
CellWrapper cell = (CellWrapper) obj;
width = cell.getWidth();
cellWidths.add(new Float(width));
percentage |= cell.isPercentage();
if (width == 0) {
zeroWidth++;
} else {
totalWidth += width;
}
row.add(cell.getCell());
}
if (obj instanceof TableWrapper) {
table = (TableWrapper) obj;
break;
}
}
table.addRow(row);
if (cellWidths.size() > 0) {
// cells come off the stack in reverse, naturally
totalWidth = 100 - totalWidth;
Collections.reverse(cellWidths);
float[] widths = new float[cellWidths.size()];
boolean hasZero = false;
for (int i = 0; i < widths.length; i++) {
widths[i] = cellWidths.get(i).floatValue();
if (widths[i] == 0 && percentage && zeroWidth > 0) {
widths[i] = totalWidth / zeroWidth;
}
if (widths[i] == 0) {
hasZero = true;
break;
}
}
if (!hasZero) table.setColWidths(widths);
}
stack.push(table);
}
// state variables and methods
/** Stack to keep track of table tags. */
private final Stack<boolean[]> tableState = new Stack<boolean[]>();
/** Boolean to keep track of TR tags. */
private boolean pendingTR = false;
/** Boolean to keep track of TD and TH tags */
private boolean pendingTD = false;
/** Boolean to keep track of LI tags */
private boolean pendingLI = false;
/**
* Boolean to keep track of PRE tags
*
* @since 5.0.6 renamed from isPRE
*/
private boolean insidePRE = false;
/**
* Indicates if text needs to be skipped.
*
* @since iText 5.0.6 (private => protected)
*/
protected boolean skipText = false;
/**
* Pushes the values of pendingTR and pendingTD to a state stack.
*
* @since 5.0.6
*/
public void pushTableState() {
tableState.push(new boolean[] {pendingTR, pendingTD});
}
/**
* Pops the values of pendingTR and pendingTD from a state stack.
*
* @since 5.0.6
*/
public void popTableState() {
boolean[] state = tableState.pop();
pendingTR = state[0];
pendingTD = state[1];
}
/**
* @return the pendingTR
* @since 5.0.6
*/
public boolean isPendingTR() {
return pendingTR;
}
/**
* @param pendingTR the pendingTR to set
* @since 5.0.6
*/
public void setPendingTR(final boolean pendingTR) {
this.pendingTR = pendingTR;
}
/**
* @return the pendingTD
* @since 5.0.6
*/
public boolean isPendingTD() {
return pendingTD;
}
/**
* @param pendingTD the pendingTD to set
* @since 5.0.6
*/
public void setPendingTD(final boolean pendingTD) {
this.pendingTD = pendingTD;
}
/**
* @return the pendingLI
* @since 5.0.6
*/
public boolean isPendingLI() {
return pendingLI;
}
/**
* @param pendingLI the pendingLI to set
* @since 5.0.6
*/
public void setPendingLI(final boolean pendingLI) {
this.pendingLI = pendingLI;
}
/**
* @return the insidePRE
* @since 5.0.6
*/
public boolean isInsidePRE() {
return insidePRE;
}
/**
* @param insidePRE the insidePRE to set
* @since 5.0.6
*/
public void setInsidePRE(final boolean insidePRE) {
this.insidePRE = insidePRE;
}
/**
* @return the skipText
* @since 5.0.6
*/
public boolean isSkipText() {
return skipText;
}
/**
* @param skipText the skipText to set
* @since 5.0.6
*/
public void setSkipText(final boolean skipText) {
this.skipText = skipText;
}
// static methods to parse HTML to a List of Element objects.
/** The resulting list of elements. */
protected List<Element> objectList;
/**
* Parses an HTML source to a List of Element objects
*
* @param reader the HTML source
* @param style a StyleSheet object
* @return a List of Element objects
* @throws IOException
*/
public static List<Element> parseToList(final Reader reader, final StyleSheet style)
throws IOException {
return parseToList(reader, style, null);
}
/**
* Parses an HTML source to a List of Element objects
*
* @param reader the HTML source
* @param style a StyleSheet object
* @param providers map containing classes with extra info
* @return a List of Element objects
* @throws IOException
*/
public static List<Element> parseToList(
final Reader reader, final StyleSheet style, final HashMap<String, Object> providers)
throws IOException {
return parseToList(reader, style, null, providers);
}
/**
* Parses an HTML source to a List of Element objects
*
* @param reader the HTML source
* @param style a StyleSheet object
* @param tags a map containing supported tags and their processors
* @param providers map containing classes with extra info
* @return a List of Element objects
* @throws IOException
* @since 5.0.6
*/
public static List<Element> parseToList(
final Reader reader,
final StyleSheet style,
final Map<String, HTMLTagProcessor> tags,
final HashMap<String, Object> providers)
throws IOException {
HTMLWorker worker = new HTMLWorker(null, tags, style);
worker.document = worker;
worker.setProviders(providers);
worker.objectList = new ArrayList<Element>();
worker.parse(reader);
return worker.objectList;
}
// DocListener interface
/** @see com.itextpdf.text.ElementListener#add(com.itextpdf.text.Element) */
public boolean add(final Element element) throws DocumentException {
objectList.add(element);
return true;
}
/** @see com.itextpdf.text.DocListener#close() */
public void close() {}
/** @see com.itextpdf.text.DocListener#newPage() */
public boolean newPage() {
return true;
}
/** @see com.itextpdf.text.DocListener#open() */
public void open() {}
/** @see com.itextpdf.text.DocListener#resetPageCount() */
public void resetPageCount() {}
/** @see com.itextpdf.text.DocListener#setMarginMirroring(boolean) */
public boolean setMarginMirroring(final boolean marginMirroring) {
return false;
}
/**
* @see com.itextpdf.text.DocListener#setMarginMirroring(boolean)
* @since 2.1.6
*/
public boolean setMarginMirroringTopBottom(final boolean marginMirroring) {
return false;
}
/** @see com.itextpdf.text.DocListener#setMargins(float, float, float, float) */
public boolean setMargins(
final float marginLeft,
final float marginRight,
final float marginTop,
final float marginBottom) {
return true;
}
/** @see com.itextpdf.text.DocListener#setPageCount(int) */
public void setPageCount(final int pageN) {}
/** @see com.itextpdf.text.DocListener#setPageSize(com.itextpdf.text.Rectangle) */
public boolean setPageSize(final Rectangle pageSize) {
return true;
}
// deprecated methods
/**
* Sets the providers.
*
* @deprecated use setProviders() instead
*/
@Deprecated
public void setInterfaceProps(final HashMap<String, Object> providers) {
setProviders(providers);
}
/**
* Gets the providers
*
* @deprecated use getProviders() instead
*/
@Deprecated
public Map<String, Object> getInterfaceProps() {
return providers;
}
}
