下面列出了org.w3c.dom.DocumentType#getSystemId ( ) 实例代码，或者点击链接到github查看源代码，也可以在右侧发表评论。
private OpenElementStack makeElementStack(Document doc, MessageQueue mq) {
Namespaces ns = this.ns;
DocumentType doctype = doc.getDoctype();
if (doctype != null) {
// If we have a DOCTYPE, use its SYSTEM ID to determine the default
// namespace.
String sysid = doctype.getSystemId();
String nsUri = DoctypeMaker.systemIdToNsUri(sysid);
if (nsUri != null) { ns = new Namespaces(ns, "", nsUri); }
}
return asXml
? OpenElementStack.Factory.createXmlElementStack(
doc, needsDebugData, ns, mq)
: OpenElementStack.Factory.createHtml5ElementStack(
doc, needsDebugData, mq);
}
protected void write(DocumentType node) {
printWriter.print("<!DOCTYPE ");
printWriter.print(node.getName());
String publicId = node.getPublicId();
String systemId = node.getSystemId();
if (publicId != null) {
printWriter.print(" PUBLIC \"");
printWriter.print(publicId);
printWriter.print("\" \"");
printWriter.print(systemId);
printWriter.print('\"');
} else if (systemId != null) {
printWriter.print(" SYSTEM \"");
printWriter.print(systemId);
printWriter.print('"');
}
String internalSubset = node.getInternalSubset();
if (internalSubset != null) {
printWriter.println(" [");
printWriter.print(internalSubset);
printWriter.print(']');
}
printWriter.println('>');
}
/**
* Returns the document type system identifier
* specified for this document, or null.
*/
public static String whichDoctypeSystem( Document doc )
{
DocumentType doctype;
/* DOM Level 2 was introduced into the code base*/
doctype = doc.getDoctype();
if ( doctype != null ) {
// Note on catch: DOM Level 1 does not specify this method
// and the code will throw a NoSuchMethodError
try {
return doctype.getSystemId();
} catch ( Error except ) { }
}
if ( doc instanceof HTMLDocument )
return DTD.XHTMLSystemId;
return null;
}
/**
* Returns the document type system identifier
* specified for this document, or null.
*/
public static String whichDoctypeSystem( Document doc )
{
DocumentType doctype;
/* DOM Level 2 was introduced into the code base*/
doctype = doc.getDoctype();
if ( doctype != null ) {
// Note on catch: DOM Level 1 does not specify this method
// and the code will throw a NoSuchMethodError
try {
return doctype.getSystemId();
} catch ( Error except ) { }
}
if ( doc instanceof HTMLDocument )
return DTD.XHTMLSystemId;
return null;
}
/**
* Returns the document type system identifier
* specified for this document, or null.
*/
public static String whichDoctypeSystem( Document doc )
{
DocumentType doctype;
/* DOM Level 2 was introduced into the code base*/
doctype = doc.getDoctype();
if ( doctype != null ) {
// Note on catch: DOM Level 1 does not specify this method
// and the code will throw a NoSuchMethodError
try {
return doctype.getSystemId();
} catch ( Error except ) { }
}
if ( doc instanceof HTMLDocument )
return DTD.XHTMLSystemId;
return null;
}
/**
* Returns the document type system identifier
* specified for this document, or null.
*/
public static String whichDoctypeSystem( Document doc )
{
DocumentType doctype;
/* DOM Level 2 was introduced into the code base*/
doctype = doc.getDoctype();
if ( doctype != null ) {
// Note on catch: DOM Level 1 does not specify this method
// and the code will throw a NoSuchMethodError
try {
return doctype.getSystemId();
} catch ( Error except ) { }
}
if ( doc instanceof HTMLDocument )
return DTD.XHTMLSystemId;
return null;
}
protected void write(DocumentType node) throws ShellException {
printWriter.print("<!DOCTYPE "); //$NON-NLS-1$
printWriter.print(node.getName());
String publicId = node.getPublicId();
String systemId = node.getSystemId();
if (publicId != null) {
printWriter.print(" PUBLIC \""); //$NON-NLS-1$
printWriter.print(publicId);
printWriter.print("\" \""); //$NON-NLS-1$
printWriter.print(systemId);
printWriter.print('\"');
} else if (systemId != null) {
printWriter.print(" SYSTEM \""); //$NON-NLS-1$
printWriter.print(systemId);
printWriter.print('"');
}
String internalSubset = node.getInternalSubset();
if (internalSubset != null) {
printWriter.println(" ["); //$NON-NLS-1$
printWriter.print(internalSubset);
printWriter.print(']');
}
printWriter.println('>');
}
/**
* Returns the document type system identifier
* specified for this document, or null.
*/
public static String whichDoctypeSystem( Document doc )
{
DocumentType doctype;
/* DOM Level 2 was introduced into the code base*/
doctype = doc.getDoctype();
if ( doctype != null ) {
// Note on catch: DOM Level 1 does not specify this method
// and the code will throw a NoSuchMethodError
try {
return doctype.getSystemId();
} catch ( Error except ) { }
}
if ( doc instanceof HTMLDocument )
return DTD.XHTMLSystemId;
return null;
}
private boolean isQuirksDocType() {
final DocumentType docType = getPage().getDoctype();
if (docType != null) {
final String systemId = docType.getSystemId();
if (systemId != null) {
if ("http://www.w3.org/TR/html4/strict.dtd".equals(systemId)) {
return false;
}
if ("http://www.w3.org/TR/html4/loose.dtd".equals(systemId)) {
final String publicId = docType.getPublicId();
if ("-//W3C//DTD HTML 4.01 Transitional//EN".equals(publicId)) {
return false;
}
}
if ("http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd".equals(systemId)
|| "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd".equals(systemId)) {
return false;
}
}
else if (docType.getPublicId() == null) {
return docType.getName() == null;
}
}
return true;
}
/**
* Recursively appends a {@link Node} child to {@link DomNode} parent.
*
* @param page the owner page of {@link DomElement}s to be created
* @param parent the parent DomNode
* @param child the child Node
* @param handleXHTMLAsHTML if true elements from the XHTML namespace are handled as HTML elements instead of
* DOM elements
* @param attributesOrderMap (optional) the one returned by {@link #getAttributesOrderMap(Document)}
*/
public static void appendChild(final SgmlPage page, final DomNode parent, final Node child,
final boolean handleXHTMLAsHTML, final Map<Integer, List<String>> attributesOrderMap) {
final DocumentType documentType = child.getOwnerDocument().getDoctype();
if (documentType != null && page instanceof XmlPage) {
final DomDocumentType domDoctype = new DomDocumentType(
page, documentType.getName(), documentType.getPublicId(), documentType.getSystemId());
((XmlPage) page).setDocumentType(domDoctype);
}
final DomNode childXml = createFrom(page, child, handleXHTMLAsHTML, attributesOrderMap);
parent.appendChild(childXml);
copy(page, child, childXml, handleXHTMLAsHTML, attributesOrderMap);
}
/**
* Serializes a Document Type Node.
*
* @param node The Docuemnt Type Node to serialize
* @param bStart Invoked at the start or end of node. Default true.
*/
protected void serializeDocType(DocumentType node, boolean bStart)
throws SAXException {
// The DocType and internalSubset can not be modified in DOM and is
// considered to be well-formed as the outcome of successful parsing.
String docTypeName = node.getNodeName();
String publicId = node.getPublicId();
String systemId = node.getSystemId();
String internalSubset = node.getInternalSubset();
//DocumentType nodes are never passed to the filter
if (internalSubset != null && !"".equals(internalSubset)) {
if (bStart) {
try {
// The Serializer does not provide a way to write out the
// DOCTYPE internal subset via an event call, so we write it
// out here.
Writer writer = fSerializer.getWriter();
StringBuffer dtd = new StringBuffer();
dtd.append("<!DOCTYPE ");
dtd.append(docTypeName);
if (null != publicId) {
dtd.append(" PUBLIC \"");
dtd.append(publicId);
dtd.append('\"');
}
if (null != systemId) {
if (null == publicId) {
dtd.append(" SYSTEM \"");
} else {
dtd.append(" \"");
}
dtd.append(systemId);
dtd.append('\"');
}
dtd.append(" [ ");
dtd.append(fNewLine);
dtd.append(internalSubset);
dtd.append("]>");
dtd.append(new String(fNewLine));
writer.write(dtd.toString());
writer.flush();
} catch (IOException e) {
throw new SAXException(Utils.messages.createMessage(
MsgKey.ER_WRITING_INTERNAL_SUBSET, null), e);
}
} // else if !bStart do nothing
} else {
if (bStart) {
if (fLexicalHandler != null) {
fLexicalHandler.startDTD(docTypeName, publicId, systemId);
}
} else {
if (fLexicalHandler != null) {
fLexicalHandler.endDTD();
}
}
}
}
private static DomNode createFrom(final SgmlPage page, final Node source, final boolean handleXHTMLAsHTML,
final Map<Integer, List<String>> attributesOrderMap) {
if (source.getNodeType() == Node.TEXT_NODE) {
return new DomText(page, source.getNodeValue());
}
if (source.getNodeType() == Node.PROCESSING_INSTRUCTION_NODE) {
return new DomProcessingInstruction(page, source.getNodeName(), source.getNodeValue());
}
if (source.getNodeType() == Node.COMMENT_NODE) {
return new DomComment(page, source.getNodeValue());
}
if (source.getNodeType() == Node.DOCUMENT_TYPE_NODE) {
final DocumentType documentType = (DocumentType) source;
return new DomDocumentType(page, documentType.getName(), documentType.getPublicId(),
documentType.getSystemId());
}
final String ns = source.getNamespaceURI();
String localName = source.getLocalName();
if (handleXHTMLAsHTML && Html.XHTML_NAMESPACE.equals(ns)) {
final ElementFactory factory = page.getWebClient().getPageCreator().getHtmlParser().getFactory(localName);
return factory.createElementNS(page, ns, localName,
namedNodeMapToSaxAttributes(source.getAttributes(), attributesOrderMap, source));
}
final NamedNodeMap nodeAttributes = source.getAttributes();
if (page != null && page.isHtmlPage()) {
localName = localName.toUpperCase(Locale.ROOT);
}
final String qualifiedName;
if (source.getPrefix() == null) {
qualifiedName = localName;
}
else {
qualifiedName = source.getPrefix() + ':' + localName;
}
final String namespaceURI = source.getNamespaceURI();
if (Html.SVG_NAMESPACE.equals(namespaceURI)) {
return page.getWebClient().getPageCreator().getHtmlParser().getSvgFactory()
.createElementNS(page, namespaceURI, qualifiedName,
namedNodeMapToSaxAttributes(nodeAttributes, attributesOrderMap, source));
}
final Map<String, DomAttr> attributes = new LinkedHashMap<>();
for (int i = 0; i < nodeAttributes.getLength(); i++) {
final int orderedIndex = getIndex(nodeAttributes, attributesOrderMap, source, i);
final Attr attribute = (Attr) nodeAttributes.item(orderedIndex);
final String attributeNamespaceURI = attribute.getNamespaceURI();
final String attributeQualifiedName;
if (attribute.getPrefix() != null) {
attributeQualifiedName = attribute.getPrefix() + ':' + attribute.getLocalName();
}
else {
attributeQualifiedName = attribute.getLocalName();
}
final String value = attribute.getNodeValue();
final boolean specified = attribute.getSpecified();
final DomAttr xmlAttribute =
new DomAttr(page, attributeNamespaceURI, attributeQualifiedName, value, specified);
attributes.put(attribute.getNodeName(), xmlAttribute);
}
return new DomElement(namespaceURI, qualifiedName, page, attributes);
}
protected void encodeChildNodes(NodeList children) throws EXIException,
IOException {
for (int i = 0; i < children.getLength(); i++) {
Node n = children.item(i);
switch (n.getNodeType()) {
case Node.ELEMENT_NODE:
encodeNode(n);
break;
case Node.ATTRIBUTE_NODE:
break;
case Node.TEXT_NODE:
exiBody.encodeCharacters(new StringValue(n.getNodeValue()));
break;
case Node.COMMENT_NODE:
if (preserveComments) {
String c = n.getNodeValue();
exiBody.encodeComment(c.toCharArray(), 0, c.length());
}
break;
case Node.DOCUMENT_TYPE_NODE:
DocumentType dt = (DocumentType) n;
String publicID = dt.getPublicId() == null ? "" : dt
.getPublicId();
String systemID = dt.getSystemId() == null ? "" : dt
.getSystemId();
String text = dt.getInternalSubset() == null ? "" : dt
.getInternalSubset();
exiBody.encodeDocType(dt.getName(), publicID, systemID, text);
break;
case Node.ENTITY_REFERENCE_NODE:
// checkPendingChars();
// TODO ER
break;
case Node.CDATA_SECTION_NODE:
// String cdata = n.getNodeValue();
// exiBody.encodeCharacters(new
// StringValue(Constants.CDATA_START
// + cdata + Constants.CDATA_END));
exiBody.encodeCharacters(new StringValue(n.getNodeValue()));
break;
case Node.PROCESSING_INSTRUCTION_NODE:
if (preservePIs) {
ProcessingInstruction pi = (ProcessingInstruction) n;
exiBody.encodeProcessingInstruction(pi.getTarget(),
pi.getData());
}
break;
default:
System.err.println("[WARNING] Unhandled DOM NodeType: "
+ n.getNodeType());
// throw new EXIException("Unknown NodeType? " +
// n.getNodeType());
}
}
}
private static DomNode createFrom(final SgmlPage page, final Node source, final boolean handleXHTMLAsHTML,
final Map<Integer, List<String>> attributesOrderMap) {
if (source.getNodeType() == Node.TEXT_NODE) {
return new DomText(page, source.getNodeValue());
}
if (source.getNodeType() == Node.PROCESSING_INSTRUCTION_NODE) {
return new DomProcessingInstruction(page, source.getNodeName(), source.getNodeValue());
}
if (source.getNodeType() == Node.COMMENT_NODE) {
return new DomComment(page, source.getNodeValue());
}
if (source.getNodeType() == Node.DOCUMENT_TYPE_NODE) {
final DocumentType documentType = (DocumentType) source;
return new DomDocumentType(page, documentType.getName(), documentType.getPublicId(),
documentType.getSystemId());
}
final String ns = source.getNamespaceURI();
String localName = source.getLocalName();
if (handleXHTMLAsHTML && HTMLParser.XHTML_NAMESPACE.equals(ns)) {
final ElementFactory factory = HTMLParser.getFactory(localName);
return factory.createElementNS(page, ns, localName,
namedNodeMapToSaxAttributes(source.getAttributes(), attributesOrderMap, source));
}
final NamedNodeMap nodeAttributes = source.getAttributes();
if (page != null && page.isHtmlPage()) {
localName = localName.toUpperCase(Locale.ROOT);
}
final String qualifiedName;
if (source.getPrefix() == null) {
qualifiedName = localName;
}
else {
qualifiedName = source.getPrefix() + ':' + localName;
}
final String namespaceURI = source.getNamespaceURI();
if (HTMLParser.SVG_NAMESPACE.equals(namespaceURI)) {
return HTMLParser.SVG_FACTORY.createElementNS(page, namespaceURI, qualifiedName,
namedNodeMapToSaxAttributes(nodeAttributes, attributesOrderMap, source));
}
final Map<String, DomAttr> attributes = new LinkedHashMap<>();
for (int i = 0; i < nodeAttributes.getLength(); i++) {
final int orderedIndex = getIndex(nodeAttributes, attributesOrderMap, source, i);
final Attr attribute = (Attr) nodeAttributes.item(orderedIndex);
final String attributeNamespaceURI = attribute.getNamespaceURI();
final String attributeQualifiedName;
if (attribute.getPrefix() != null) {
attributeQualifiedName = attribute.getPrefix() + ':' + attribute.getLocalName();
}
else {
attributeQualifiedName = attribute.getLocalName();
}
final String value = attribute.getNodeValue();
final boolean specified = attribute.getSpecified();
final DomAttr xmlAttribute =
new DomAttr(page, attributeNamespaceURI, attributeQualifiedName, value, specified);
attributes.put(attribute.getNodeName(), xmlAttribute);
}
return new DomElement(namespaceURI, qualifiedName, page, attributes);
}
/**
* {@inheritDoc}
*/
public final String getSystemId() {
final DocumentType type = getDocumentType();
return type.getSystemId();
}
/**
* Returns a rendering of document type. This is handled explicitly here
* rather than in {@link Nodes#render(Node, MarkupRenderMode)} to avoid
* rendering a document type in the middle of a document.
*
* @return null if nothing to render or docType is invalid.
*/
private static @Nullable String renderDocumentType(DocumentType docType) {
String publicId = docType.getPublicId();
String systemId = docType.getSystemId();
String nodeName;
if (null != docType.getOwnerDocument() &&
null != docType.getOwnerDocument().getDocumentElement() &&
null != docType.getOwnerDocument().getDocumentElement().getNodeName()) {
nodeName = docType.getOwnerDocument()
.getDocumentElement()
.getNodeName();
} else {
return null;
}
if (!DoctypeMaker.isHtml(nodeName, publicId, systemId)) {
return null;
}
StringBuilder sb = new StringBuilder();
sb.append("<!DOCTYPE ").append(nodeName);
// The Name in the document type declaration must match the element type
// of the root element.
if (null != publicId && publicId.length() > 0) {
sb.append(" PUBLIC ")
.append('"')
.append(publicId.replaceAll("\"", "%22"))
.append('"');
}
if (null != systemId && systemId.length() > 0) {
// Sanity check - system urls should parse as an absolute uris
try {
URI u = new URI(systemId);
if (u.isAbsolute() &&
("http".equals(u.getScheme()) || "https".equals(u.getScheme()))) {
sb.append(" ")
.append('"')
.append(systemId.replaceAll("\"", "%22"))
.append('"');
}
} catch (URISyntaxException e) {
return null;
}
}
sb.append(">");
return sb.toString();
}
private void processDTD(String xmlVersion, String schemaLocation) {
String rootName = null;
String publicId = null;
String systemId = schemaLocation;
String baseSystemId = fDocument.getDocumentURI();
String internalSubset = null;
DocumentType docType = fDocument.getDoctype();
if (docType != null) {
rootName = docType.getName();
publicId = docType.getPublicId();
if (systemId == null || systemId.length() == 0) {
systemId = docType.getSystemId();
}
internalSubset = docType.getInternalSubset();
}
// If the DOM doesn't have a DocumentType node we may still
// be able to fetch a DTD if the application provided a URI
else {
Element elem = fDocument.getDocumentElement();
if (elem == null) return;
rootName = elem.getNodeName();
if (systemId == null || systemId.length() == 0) return;
}
XMLDTDLoader loader = null;
try {
fValidationHandler.doctypeDecl(rootName, publicId, systemId, null);
loader = CoreDOMImplementationImpl.singleton.getDTDLoader(xmlVersion);
loader.setFeature(DOMConfigurationImpl.XERCES_VALIDATION, true);
loader.setEntityResolver(fConfiguration.getEntityResolver());
loader.setErrorHandler(fConfiguration.getErrorHandler());
loader.loadGrammarWithContext((XMLDTDValidator) fValidationHandler, rootName,
publicId, systemId, baseSystemId, internalSubset);
}
// REVISIT: Should probably report this exception to the error handler.
catch (IOException e) {
}
finally {
if (loader != null) {
CoreDOMImplementationImpl.singleton.releaseDTDLoader(xmlVersion, loader);
}
}
}
/**
* Serializes a Document Type Node.
*
* @param node The Docuemnt Type Node to serialize
* @param bStart Invoked at the start or end of node. Default true.
*/
protected void serializeDocType(DocumentType node, boolean bStart)
throws SAXException {
// The DocType and internalSubset can not be modified in DOM and is
// considered to be well-formed as the outcome of successful parsing.
String docTypeName = node.getNodeName();
String publicId = node.getPublicId();
String systemId = node.getSystemId();
String internalSubset = node.getInternalSubset();
//DocumentType nodes are never passed to the filter
if (internalSubset != null && !"".equals(internalSubset)) {
if (bStart) {
try {
// The Serializer does not provide a way to write out the
// DOCTYPE internal subset via an event call, so we write it
// out here.
Writer writer = fSerializer.getWriter();
StringBuffer dtd = new StringBuffer();
dtd.append("<!DOCTYPE ");
dtd.append(docTypeName);
if (null != publicId) {
dtd.append(" PUBLIC \"");
dtd.append(publicId);
dtd.append('\"');
}
if (null != systemId) {
if (null == publicId) {
dtd.append(" SYSTEM \"");
} else {
dtd.append(" \"");
}
dtd.append(systemId);
dtd.append('\"');
}
dtd.append(" [ ");
dtd.append(fNewLine);
dtd.append(internalSubset);
dtd.append("]>");
dtd.append(fNewLine);
writer.write(dtd.toString());
writer.flush();
} catch (IOException e) {
throw new SAXException(Utils.messages.createMessage(
MsgKey.ER_WRITING_INTERNAL_SUBSET, null), e);
}
} // else if !bStart do nothing
} else {
if (bStart) {
if (fLexicalHandler != null) {
fLexicalHandler.startDTD(docTypeName, publicId, systemId);
}
} else {
if (fLexicalHandler != null) {
fLexicalHandler.endDTD();
}
}
}
}
/**
* Serializes a Document Type Node.
*
* @param node The Docuemnt Type Node to serialize
* @param bStart Invoked at the start or end of node. Default true.
*/
protected void serializeDocType(DocumentType node, boolean bStart)
throws SAXException {
// The DocType and internalSubset can not be modified in DOM and is
// considered to be well-formed as the outcome of successful parsing.
String docTypeName = node.getNodeName();
String publicId = node.getPublicId();
String systemId = node.getSystemId();
String internalSubset = node.getInternalSubset();
//DocumentType nodes are never passed to the filter
if (internalSubset != null && !"".equals(internalSubset)) {
if (bStart) {
try {
// The Serializer does not provide a way to write out the
// DOCTYPE internal subset via an event call, so we write it
// out here.
Writer writer = fSerializer.getWriter();
StringBuffer dtd = new StringBuffer();
dtd.append("<!DOCTYPE ");
dtd.append(docTypeName);
if (null != publicId) {
dtd.append(" PUBLIC \"");
dtd.append(publicId);
dtd.append('\"');
}
if (null != systemId) {
if (null == publicId) {
dtd.append(" SYSTEM \"");
} else {
dtd.append(" \"");
}
dtd.append(systemId);
dtd.append('\"');
}
dtd.append(" [ ");
dtd.append(fNewLine);
dtd.append(internalSubset);
dtd.append("]>");
dtd.append(fNewLine);
writer.write(dtd.toString());
writer.flush();
} catch (IOException e) {
throw new SAXException(Utils.messages.createMessage(
MsgKey.ER_WRITING_INTERNAL_SUBSET, null), e);
}
} // else if !bStart do nothing
} else {
if (bStart) {
if (fLexicalHandler != null) {
fLexicalHandler.startDTD(docTypeName, publicId, systemId);
}
} else {
if (fLexicalHandler != null) {
fLexicalHandler.endDTD();
}
}
}
}
protected static void appendDocumentTypeDetail(final StringBuffer buf, final Node aNode) {
DocumentType type = (DocumentType) aNode;
buf.append(XMLConstants.START_DOCTYPE).append(type.getName());
boolean hasNoPublicId = true;
if (type.getPublicId() != null
&& type.getPublicId().length() > 0) {
buf.append(" PUBLIC \"").append(type.getPublicId()).append('"');
hasNoPublicId = false;
}
if (type.getSystemId() != null
&& type.getSystemId().length() > 0) {
if (hasNoPublicId) {
buf.append(" SYSTEM");
}
buf.append(" \"").append(type.getSystemId()).append('"');
}
}