getDocument method. The actual pipeline is defined in
* parser configuration.
*
* @author Arnaud Le Hors, IBM
* @author Andy Clark, IBM
* @author Elena Litani, IBM
*
* @version $Id: AbstractDOMParser.java,v 1.10 2010-11-01 04:40:09 joehw Exp $
*/
public class AbstractDOMParser extends AbstractXMLDocumentParser {
//
// Constants
//
// feature ids
/** Feature id: namespace. */
protected static final String NAMESPACES =
Constants.SAX_FEATURE_PREFIX+Constants.NAMESPACES_FEATURE;
/** Feature id: create entity ref nodes. */
protected static final String CREATE_ENTITY_REF_NODES =
Constants.XERCES_FEATURE_PREFIX + Constants.CREATE_ENTITY_REF_NODES_FEATURE;
/** Feature id: include comments. */
protected static final String INCLUDE_COMMENTS_FEATURE =
Constants.XERCES_FEATURE_PREFIX + Constants.INCLUDE_COMMENTS_FEATURE;
/** Feature id: create cdata nodes. */
protected static final String CREATE_CDATA_NODES_FEATURE =
Constants.XERCES_FEATURE_PREFIX + Constants.CREATE_CDATA_NODES_FEATURE;
/** Feature id: include ignorable whitespace. */
protected static final String INCLUDE_IGNORABLE_WHITESPACE =
Constants.XERCES_FEATURE_PREFIX + Constants.INCLUDE_IGNORABLE_WHITESPACE;
/** Feature id: defer node expansion. */
protected static final String DEFER_NODE_EXPANSION =
Constants.XERCES_FEATURE_PREFIX + Constants.DEFER_NODE_EXPANSION_FEATURE;
/** Recognized features. */
private static final String[] RECOGNIZED_FEATURES = {
NAMESPACES,
CREATE_ENTITY_REF_NODES,
INCLUDE_COMMENTS_FEATURE,
CREATE_CDATA_NODES_FEATURE,
INCLUDE_IGNORABLE_WHITESPACE,
DEFER_NODE_EXPANSION
};
// property ids
/** Property id: document class name. */
protected static final String DOCUMENT_CLASS_NAME =
Constants.XERCES_PROPERTY_PREFIX + Constants.DOCUMENT_CLASS_NAME_PROPERTY;
protected static final String CURRENT_ELEMENT_NODE=
Constants.XERCES_PROPERTY_PREFIX + Constants.CURRENT_ELEMENT_NODE_PROPERTY;
// protected static final String GRAMMAR_POOL =
// Constants.XERCES_PROPERTY_PREFIX + Constants.XMLGRAMMAR_POOL_PROPERTY;
/** Recognized properties. */
private static final String[] RECOGNIZED_PROPERTIES = {
DOCUMENT_CLASS_NAME,
CURRENT_ELEMENT_NODE,
};
// other
/** Default document class name. */
protected static final String DEFAULT_DOCUMENT_CLASS_NAME =
"com.sun.org.apache.xerces.internal.dom.DocumentImpl";
protected static final String CORE_DOCUMENT_CLASS_NAME =
"com.sun.org.apache.xerces.internal.dom.CoreDocumentImpl";
protected static final String PSVI_DOCUMENT_CLASS_NAME =
"com.sun.org.apache.xerces.internal.dom.PSVIDocumentImpl";
/**
* If the user stops the process, this exception will be thrown.
*/
static final class Abort extends RuntimeException {
private static final long serialVersionUID = 1687848994976808490L;
static final Abort INSTANCE = new Abort();
private Abort() {}
public Throwable fillInStackTrace() {
return this;
}
}
// debugging
private static final boolean DEBUG_EVENTS = false;
private static final boolean DEBUG_BASEURI = false;
//
// Data
//
/** DOM L3 error handler */
protected DOMErrorHandlerWrapper fErrorHandler = null;
/** True if inside DTD. */
protected boolean fInDTD;
// features
/** Create entity reference nodes. */
protected boolean fCreateEntityRefNodes;
/** Include ignorable whitespace. */
protected boolean fIncludeIgnorableWhitespace;
/** Include Comments. */
protected boolean fIncludeComments;
/** Create cdata nodes. */
protected boolean fCreateCDATANodes;
// dom information
/** The document. */
protected Document fDocument;
/** The default Xerces document implementation, if used. */
protected CoreDocumentImpl fDocumentImpl;
/** Whether to store PSVI information in DOM tree. */
protected boolean fStorePSVI;
/** The document class name to use. */
protected String fDocumentClassName;
/** The document type node. */
protected DocumentType fDocumentType;
/** Current node. */
protected Node fCurrentNode;
protected CDATASection fCurrentCDATASection;
protected EntityImpl fCurrentEntityDecl;
protected int fDeferredEntityDecl;
/** Character buffer */
protected final StringBuilder fStringBuilder = new StringBuilder (50);
// internal subset
/** Internal subset buffer. */
protected StringBuilder fInternalSubset;
// deferred expansion data
protected boolean fDeferNodeExpansion;
protected boolean fNamespaceAware;
protected DeferredDocumentImpl fDeferredDocumentImpl;
protected int fDocumentIndex;
protected int fDocumentTypeIndex;
protected int fCurrentNodeIndex;
protected int fCurrentCDATASectionIndex;
// state
/** True if inside DTD external subset. */
protected boolean fInDTDExternalSubset;
/** Root element node. */
protected Node fRoot;
/** True if inside CDATA section. */
protected boolean fInCDATASection;
/** True if saw the first chunk of characters*/
protected boolean fFirstChunk = false;
/** LSParserFilter: specifies that element with given QNAME and all its children
* must be rejected */
protected boolean fFilterReject = false;
// data
/** Base uri stack*/
protected final Stack fBaseURIStack = new Stack ();
/** LSParserFilter: tracks the element depth within a rejected subtree. */
protected int fRejectedElementDepth = 0;
/** LSParserFilter: store depth of skipped elements */
protected Stack fSkippedElemStack = null;
/** LSParserFilter: true if inside entity reference */
protected boolean fInEntityRef = false;
/** Attribute QName. */
private final QName fAttrQName = new QName();
/** Document locator. */
private XMLLocator fLocator;
// handlers
protected LSParserFilter fDOMFilter = null;
//
// Constructors
//
/** Default constructor. */
protected AbstractDOMParser (XMLParserConfiguration config) {
super (config);
// add recognized features
fConfiguration.addRecognizedFeatures (RECOGNIZED_FEATURES);
// set default values
fConfiguration.setFeature (CREATE_ENTITY_REF_NODES, true);
fConfiguration.setFeature (INCLUDE_IGNORABLE_WHITESPACE, true);
fConfiguration.setFeature (DEFER_NODE_EXPANSION, true);
fConfiguration.setFeature (INCLUDE_COMMENTS_FEATURE, true);
fConfiguration.setFeature (CREATE_CDATA_NODES_FEATURE, true);
// add recognized properties
fConfiguration.addRecognizedProperties (RECOGNIZED_PROPERTIES);
// set default values
fConfiguration.setProperty (DOCUMENT_CLASS_NAME,
DEFAULT_DOCUMENT_CLASS_NAME);
} // * Note: This method is not called for entity references * appearing as part of attribute values. * * @param name The name of the general entity. * @param identifier The resource identifier. * @param encoding The auto-detected IANA encoding name of the entity * stream. This value will be null in those situations * where the entity encoding is not auto-detected (e.g. * internal entities or a document entity that is * parsed from a java.io.Reader). * @param augs Additional information that may include infoset augmentations * * @exception XNIException Thrown by handler to signal an error. */ public void startGeneralEntity (String name, XMLResourceIdentifier identifier, String encoding, Augmentations augs) throws XNIException { if (DEBUG_EVENTS) { System.out.println ("==>startGeneralEntity ("+name+")"); if (DEBUG_BASEURI) { System.out.println (" expandedSystemId( **baseURI): "+identifier.getExpandedSystemId ()); System.out.println (" baseURI:"+ identifier.getBaseSystemId ()); } } // Always create entity reference nodes to be able to recreate // entity as a part of doctype if (!fDeferNodeExpansion) { if (fFilterReject) { return; } setCharacterData (true); EntityReference er = fDocument.createEntityReference (name); if (fDocumentImpl != null) { // REVISIT: baseURI/actualEncoding // remove dependency on our implementation when DOM L3 is REC // EntityReferenceImpl erImpl =(EntityReferenceImpl)er; // set base uri erImpl.setBaseURI (identifier.getExpandedSystemId ()); if (fDocumentType != null) { // set actual encoding NamedNodeMap entities = fDocumentType.getEntities (); fCurrentEntityDecl = (EntityImpl) entities.getNamedItem (name); if (fCurrentEntityDecl != null) { fCurrentEntityDecl.setInputEncoding (encoding); } } // we don't need synchronization now, because entity ref will be // expanded anyway. Synch only needed when user creates entityRef node erImpl.needsSyncChildren (false); } fInEntityRef = true; fCurrentNode.appendChild (er); fCurrentNode = er; } else { int er = fDeferredDocumentImpl.createDeferredEntityReference (name, identifier.getExpandedSystemId ()); if (fDocumentTypeIndex != -1) { // find corresponding Entity decl int node = fDeferredDocumentImpl.getLastChild (fDocumentTypeIndex, false); while (node != -1) { short nodeType = fDeferredDocumentImpl.getNodeType (node, false); if (nodeType == Node.ENTITY_NODE) { String nodeName = fDeferredDocumentImpl.getNodeName (node, false); if (nodeName.equals (name)) { fDeferredEntityDecl = node; fDeferredDocumentImpl.setInputEncoding (node, encoding); break; } } node = fDeferredDocumentImpl.getRealPrevSibling (node, false); } } fDeferredDocumentImpl.appendChild (fCurrentNodeIndex, er); fCurrentNodeIndex = er; } } // startGeneralEntity(String,XMLResourceIdentifier, Augmentations) /** * Notifies of the presence of a TextDecl line in an entity. If present, * this method will be called immediately following the startEntity call. *
* Note: This method will never be called for the * document entity; it is only called for external general entities * referenced in document content. *
* Note: This method is not called for entity references * appearing as part of attribute values. * * @param version The XML version, or null if not specified. * @param encoding The IANA encoding name of the entity. * @param augs Additional information that may include infoset augmentations * * @throws XNIException Thrown by handler to signal an error. */ public void textDecl (String version, String encoding, Augmentations augs) throws XNIException { if (fInDTD){ return; } if (!fDeferNodeExpansion) { if (fCurrentEntityDecl != null && !fFilterReject) { fCurrentEntityDecl.setXmlEncoding (encoding); if (version != null) fCurrentEntityDecl.setXmlVersion (version); } } else { if (fDeferredEntityDecl !=-1) { fDeferredDocumentImpl.setEntityInfo (fDeferredEntityDecl, version, encoding); } } } // textDecl(String,String) /** * A comment. * * @param text The text in the comment. * @param augs Additional information that may include infoset augmentations * * @throws XNIException Thrown by application to signal an error. */ public void comment (XMLString text, Augmentations augs) throws XNIException { if (fInDTD) { if (fInternalSubset != null && !fInDTDExternalSubset) { fInternalSubset.append (""); } return; } if (!fIncludeComments || fFilterReject) { return; } if (!fDeferNodeExpansion) { Comment comment = fDocument.createComment (text.toString ()); setCharacterData (false); fCurrentNode.appendChild (comment); if (fDOMFilter !=null && !fInEntityRef && (fDOMFilter.getWhatToShow () & NodeFilter.SHOW_COMMENT)!= 0) { short code = fDOMFilter.acceptNode (comment); switch (code) { case LSParserFilter.FILTER_INTERRUPT:{ throw Abort.INSTANCE; } case LSParserFilter.FILTER_REJECT:{ // REVISIT: the constant FILTER_REJECT should be changed when new // DOM LS specs gets published // fall through to SKIP since comment has no children. } case LSParserFilter.FILTER_SKIP: { // REVISIT: the constant FILTER_SKIP should be changed when new // DOM LS specs gets published fCurrentNode.removeChild (comment); // make sure we don't loose chars if next event is characters() fFirstChunk = true; return; } default: { // accept node } } } } else { int comment = fDeferredDocumentImpl.createDeferredComment (text.toString ()); fDeferredDocumentImpl.appendChild (fCurrentNodeIndex, comment); } } // comment(XMLString) /** * A processing instruction. Processing instructions consist of a * target name and, optionally, text data. The data is only meaningful * to the application. *
* Typically, a processing instruction's data will contain a series
* of pseudo-attributes. These pseudo-attributes follow the form of
* element attributes but are not parsed or presented
* to the application as anything other than text. The application is
* responsible for parsing the data.
*
* @param target The target.
* @param data The data or null if none specified.
* @param augs Additional information that may include infoset augmentations
*
* @throws XNIException Thrown by handler to signal an error.
*/
public void processingInstruction (String target, XMLString data, Augmentations augs)
throws XNIException {
if (fInDTD) {
if (fInternalSubset != null && !fInDTDExternalSubset) {
fInternalSubset.append (" 0) {
fInternalSubset.append (' ').append (data.ch, data.offset, data.length);
}
fInternalSubset.append ("?>");
}
return;
}
if (DEBUG_EVENTS) {
System.out.println ("==>processingInstruction ("+target+")");
}
if (!fDeferNodeExpansion) {
if (fFilterReject) {
return;
}
ProcessingInstruction pi =
fDocument.createProcessingInstruction (target, data.toString ());
setCharacterData (false);
fCurrentNode.appendChild (pi);
if (fDOMFilter !=null && !fInEntityRef &&
(fDOMFilter.getWhatToShow () & NodeFilter.SHOW_PROCESSING_INSTRUCTION)!= 0) {
short code = fDOMFilter.acceptNode (pi);
switch (code) {
case LSParserFilter.FILTER_INTERRUPT:{
throw Abort.INSTANCE;
}
case LSParserFilter.FILTER_REJECT:{
// fall through to SKIP since PI has no children.
}
case LSParserFilter.FILTER_SKIP: {
fCurrentNode.removeChild (pi);
// fFirstChunk must be set to true so that data
// won't be lost in the case where the child before PI is
// a text node and the next event is characters.
fFirstChunk = true;
return;
}
default: {
}
}
}
}
else {
int pi = fDeferredDocumentImpl.
createDeferredProcessingInstruction (target, data.toString ());
fDeferredDocumentImpl.appendChild (fCurrentNodeIndex, pi);
}
} // processingInstruction(String,XMLString)
/**
* The start of the document.
*
* @param locator The system identifier of the entity if the entity
* is external, null otherwise.
* @param encoding The auto-detected IANA encoding name of the entity
* stream. This value will be null in those situations
* where the entity encoding is not auto-detected (e.g.
* internal entities or a document entity that is
* parsed from a java.io.Reader).
* @param namespaceContext
* The namespace context in effect at the
* start of this document.
* This object represents the current context.
* Implementors of this class are responsible
* for copying the namespace bindings from the
* the current context (and its parent contexts)
* if that information is important.
* @param augs Additional information that may include infoset augmentations
*
* @throws XNIException Thrown by handler to signal an error.
*/
public void startDocument (XMLLocator locator, String encoding,
NamespaceContext namespaceContext, Augmentations augs)
throws XNIException {
fLocator = locator;
if (!fDeferNodeExpansion) {
if (fDocumentClassName.equals (DEFAULT_DOCUMENT_CLASS_NAME)) {
fDocument = new DocumentImpl ();
fDocumentImpl = (CoreDocumentImpl)fDocument;
// REVISIT: when DOM Level 3 is REC rely on Document.support
// instead of specific class
// set DOM error checking off
fDocumentImpl.setStrictErrorChecking (false);
// set actual encoding
fDocumentImpl.setInputEncoding (encoding);
// set documentURI
fDocumentImpl.setDocumentURI (locator.getExpandedSystemId ());
}
else if (fDocumentClassName.equals (PSVI_DOCUMENT_CLASS_NAME)) {
fDocument = new PSVIDocumentImpl();
fDocumentImpl = (CoreDocumentImpl)fDocument;
fStorePSVI = true;
// REVISIT: when DOM Level 3 is REC rely on Document.support
// instead of specific class
// set DOM error checking off
fDocumentImpl.setStrictErrorChecking (false);
// set actual encoding
fDocumentImpl.setInputEncoding (encoding);
// set documentURI
fDocumentImpl.setDocumentURI (locator.getExpandedSystemId ());
}
else {
// use specified document class
try {
Class documentClass = ObjectFactory.findProviderClass (fDocumentClassName, true);
fDocument = (Document)documentClass.newInstance ();
// if subclass of our own class that's cool too
Class defaultDocClass =
ObjectFactory.findProviderClass (CORE_DOCUMENT_CLASS_NAME, true);
if (defaultDocClass.isAssignableFrom (documentClass)) {
fDocumentImpl = (CoreDocumentImpl)fDocument;
Class psviDocClass = ObjectFactory.findProviderClass (PSVI_DOCUMENT_CLASS_NAME, true);
if (psviDocClass.isAssignableFrom (documentClass)) {
fStorePSVI = true;
}
// REVISIT: when DOM Level 3 is REC rely on
// Document.support instead of specific class
// set DOM error checking off
fDocumentImpl.setStrictErrorChecking (false);
// set actual encoding
fDocumentImpl.setInputEncoding (encoding);
// set documentURI
if (locator != null) {
fDocumentImpl.setDocumentURI (locator.getExpandedSystemId ());
}
}
}
catch (ClassNotFoundException e) {
// won't happen we already checked that earlier
}
catch (Exception e) {
throw new RuntimeException (
DOMMessageFormatter.formatMessage(
DOMMessageFormatter.DOM_DOMAIN,
"CannotCreateDocumentClass",
new Object [] {fDocumentClassName}));
}
}
fCurrentNode = fDocument;
}
else {
fDeferredDocumentImpl = new DeferredDocumentImpl (fNamespaceAware);
fDocument = fDeferredDocumentImpl;
fDocumentIndex = fDeferredDocumentImpl.createDeferredDocument ();
// REVISIT: strict error checking is not implemented in deferred dom.
// Document.support instead of specific class
// set actual encoding
fDeferredDocumentImpl.setInputEncoding (encoding);
// set documentURI
fDeferredDocumentImpl.setDocumentURI (locator.getExpandedSystemId ());
fCurrentNodeIndex = fDocumentIndex;
}
} // startDocument(String,String)
/**
* Notifies of the presence of an XMLDecl line in the document. If
* present, this method will be called immediately following the
* startDocument call.
*
* @param version The XML version.
* @param encoding The IANA encoding name of the document, or null if
* not specified.
* @param standalone The standalone value, or null if not specified.
* @param augs Additional information that may include infoset augmentations
*
* @throws XNIException Thrown by handler to signal an error.
*/
public void xmlDecl (String version, String encoding, String standalone,
Augmentations augs)
throws XNIException {
if (!fDeferNodeExpansion) {
// REVISIT: when DOM Level 3 is REC rely on Document.support
// instead of specific class
if (fDocumentImpl != null) {
if (version != null)
fDocumentImpl.setXmlVersion (version);
fDocumentImpl.setXmlEncoding (encoding);
fDocumentImpl.setXmlStandalone ("yes".equals (standalone));
}
}
else {
if (version != null)
fDeferredDocumentImpl.setXmlVersion (version);
fDeferredDocumentImpl.setXmlEncoding (encoding);
fDeferredDocumentImpl.setXmlStandalone ("yes".equals (standalone));
}
} // xmlDecl(String,String,String)
/**
* Notifies of the presence of the DOCTYPE line in the document.
*
* @param rootElement The name of the root element.
* @param publicId The public identifier if an external DTD or null
* if the external DTD is specified using SYSTEM.
* @param systemId The system identifier if an external DTD, null
* otherwise.
* @param augs Additional information that may include infoset augmentations
*
* @throws XNIException Thrown by handler to signal an error.
*/
public void doctypeDecl (String rootElement,
String publicId, String systemId, Augmentations augs)
throws XNIException {
if (!fDeferNodeExpansion) {
if (fDocumentImpl != null) {
fDocumentType = fDocumentImpl.createDocumentType (
rootElement, publicId, systemId);
fCurrentNode.appendChild (fDocumentType);
}
}
else {
fDocumentTypeIndex = fDeferredDocumentImpl.
createDeferredDocumentType (rootElement, publicId, systemId);
fDeferredDocumentImpl.appendChild (fCurrentNodeIndex, fDocumentTypeIndex);
}
} // doctypeDecl(String,String,String)
/**
* The start of an element. If the document specifies the start element
* by using an empty tag, then the startElement method will immediately
* be followed by the endElement method, with no intervening methods.
*
* @param element The name of the element.
* @param attributes The element attributes.
* @param augs Additional information that may include infoset augmentations
*
* @throws XNIException Thrown by handler to signal an error.
*/
public void startElement (QName element, XMLAttributes attributes, Augmentations augs)
throws XNIException {
if (DEBUG_EVENTS) {
System.out.println ("==>startElement ("+element.rawname+")");
}
if (!fDeferNodeExpansion) {
if (fFilterReject) {
++fRejectedElementDepth;
return;
}
Element el = createElementNode (element);
int attrCount = attributes.getLength ();
boolean seenSchemaDefault = false;
for (int i = 0; i < attrCount; i++) {
attributes.getName (i, fAttrQName);
Attr attr = createAttrNode (fAttrQName);
String attrValue = attributes.getValue (i);
AttributePSVI attrPSVI =(AttributePSVI) attributes.getAugmentations (i).getItem (Constants.ATTRIBUTE_PSVI);
if (fStorePSVI && attrPSVI != null){
((PSVIAttrNSImpl) attr).setPSVI (attrPSVI);
}
attr.setValue (attrValue);
boolean specified = attributes.isSpecified(i);
// Take special care of schema defaulted attributes. Calling the
// non-namespace aware setAttributeNode() method could overwrite
// another attribute with the same local name.
if (!specified && (seenSchemaDefault || (fAttrQName.uri != null &&
fAttrQName.uri != NamespaceContext.XMLNS_URI && fAttrQName.prefix == null))) {
el.setAttributeNodeNS(attr);
seenSchemaDefault = true;
}
else {
el.setAttributeNode(attr);
}
// NOTE: The specified value MUST be set after you set
// the node value because that turns the "specified"
// flag to "true" which may overwrite a "false"
// value from the attribute list. -Ac
if (fDocumentImpl != null) {
AttrImpl attrImpl = (AttrImpl) attr;
Object type = null;
boolean id = false;
// REVISIT: currently it is possible that someone turns off
// namespaces and turns on xml schema validation
// To avoid classcast exception in AttrImpl check for namespaces
// however the correct solution should probably disallow setting
// namespaces to false when schema processing is turned on.
if (attrPSVI != null && fNamespaceAware) {
// XML Schema
type = attrPSVI.getMemberTypeDefinition ();
if (type == null) {
type = attrPSVI.getTypeDefinition ();
if (type != null) {
id = ((XSSimpleType) type).isIDType ();
attrImpl.setType (type);
}
}
else {
id = ((XSSimpleType) type).isIDType ();
attrImpl.setType (type);
}
}
else {
// DTD
boolean isDeclared = Boolean.TRUE.equals (attributes.getAugmentations (i).getItem (Constants.ATTRIBUTE_DECLARED));
// For DOM Level 3 TypeInfo, the type name must
// be null if this attribute has not been declared
// in the DTD.
if (isDeclared) {
type = attributes.getType (i);
id = "ID".equals (type);
}
attrImpl.setType (type);
}
if (id) {
((ElementImpl) el).setIdAttributeNode (attr, true);
}
attrImpl.setSpecified (specified);
// REVISIT: Handle entities in attribute value.
}
}
setCharacterData (false);
if (augs != null) {
ElementPSVI elementPSVI = (ElementPSVI)augs.getItem (Constants.ELEMENT_PSVI);
if (elementPSVI != null && fNamespaceAware) {
XSTypeDefinition type = elementPSVI.getMemberTypeDefinition ();
if (type == null) {
type = elementPSVI.getTypeDefinition ();
}
((ElementNSImpl)el).setType (type);
}
}
// filter nodes
if (fDOMFilter != null && !fInEntityRef) {
if (fRoot == null) {
// fill value of the root element
fRoot = el;
} else {
short code = fDOMFilter.startElement(el);
switch (code) {
case LSParserFilter.FILTER_INTERRUPT :
{
throw Abort.INSTANCE;
}
case LSParserFilter.FILTER_REJECT :
{
fFilterReject = true;
fRejectedElementDepth = 0;
return;
}
case LSParserFilter.FILTER_SKIP :
{
// make sure that if any char data is available
// the fFirstChunk is true, so that if the next event
// is characters(), and the last node is text, we will copy
// the value already in the text node to fStringBuffer
// (not to lose it).
fFirstChunk = true;
fSkippedElemStack.push(Boolean.TRUE);
return;
}
default :
{
if (!fSkippedElemStack.isEmpty()) {
fSkippedElemStack.push(Boolean.FALSE);
}
}
}
}
}
fCurrentNode.appendChild (el);
fCurrentNode = el;
}
else {
int el = fDeferredDocumentImpl.createDeferredElement (fNamespaceAware ?
element.uri : null, element.rawname);
Object type = null;
int attrCount = attributes.getLength ();
// Need to loop in reverse order so that the attributes
// are processed in document order when the DOM is expanded.
for (int i = attrCount - 1; i >= 0; --i) {
// set type information
AttributePSVI attrPSVI = (AttributePSVI)attributes.getAugmentations (i).getItem (Constants.ATTRIBUTE_PSVI);
boolean id = false;
// REVISIT: currently it is possible that someone turns off
// namespaces and turns on xml schema validation
// To avoid classcast exception in AttrImpl check for namespaces
// however the correct solution should probably disallow setting
// namespaces to false when schema processing is turned on.
if (attrPSVI != null && fNamespaceAware) {
// XML Schema
type = attrPSVI.getMemberTypeDefinition ();
if (type == null) {
type = attrPSVI.getTypeDefinition ();
if (type != null){
id = ((XSSimpleType) type).isIDType ();
}
}
else {
id = ((XSSimpleType) type).isIDType ();
}
}
else {
// DTD
boolean isDeclared = Boolean.TRUE.equals (attributes.getAugmentations (i).getItem (Constants.ATTRIBUTE_DECLARED));
// For DOM Level 3 TypeInfo, the type name must
// be null if this attribute has not been declared
// in the DTD.
if (isDeclared) {
type = attributes.getType (i);
id = "ID".equals (type);
}
}
// create attribute
fDeferredDocumentImpl.setDeferredAttribute (
el,
attributes.getQName (i),
attributes.getURI (i),
attributes.getValue (i),
attributes.isSpecified (i),
id,
type);
}
fDeferredDocumentImpl.appendChild (fCurrentNodeIndex, el);
fCurrentNodeIndex = el;
}
} // startElement(QName,XMLAttributes)
/**
* An empty element.
*
* @param element The name of the element.
* @param attributes The element attributes.
* @param augs Additional information that may include infoset augmentations
*
* @throws XNIException Thrown by handler to signal an error.
*/
public void emptyElement (QName element, XMLAttributes attributes, Augmentations augs)
throws XNIException {
startElement (element, attributes, augs);
endElement (element, augs);
} // emptyElement(QName,XMLAttributes)
/**
* Character content.
*
* @param text The content.
* @param augs Additional information that may include infoset augmentations
*
* @throws XNIException Thrown by handler to signal an error.
*/
public void characters (XMLString text, Augmentations augs) throws XNIException {
if (DEBUG_EVENTS) {
System.out.println ("==>characters(): "+text.toString ());
}
if (!fDeferNodeExpansion) {
if (fFilterReject) {
return;
}
if (fInCDATASection && fCreateCDATANodes) {
if (fCurrentCDATASection == null) {
fCurrentCDATASection =
fDocument.createCDATASection (text.toString ());
fCurrentNode.appendChild (fCurrentCDATASection);
fCurrentNode = fCurrentCDATASection;
}
else {
fCurrentCDATASection.appendData (text.toString ());
}
}
else if (!fInDTD) {
// if type is union (XML Schema) it is possible that we receive
// character call with empty data
if (text.length == 0) {
return;
}
Node child = fCurrentNode.getLastChild ();
if (child != null && child.getNodeType () == Node.TEXT_NODE) {
// collect all the data into the string buffer.
if (fFirstChunk) {
if (fDocumentImpl != null) {
fStringBuilder.append (((TextImpl)child).removeData ());
} else {
fStringBuilder.append (((Text)child).getData ());
((Text)child).setNodeValue (null);
}
fFirstChunk = false;
}
if (text.length > 0) {
fStringBuilder.append (text.ch, text.offset, text.length);
}
}
else {
fFirstChunk = true;
Text textNode = fDocument.createTextNode (text.toString());
fCurrentNode.appendChild (textNode);
}
}
}
else {
// The Text and CDATASection normalization is taken care of within
// the DOM in the deferred case.
if (fInCDATASection && fCreateCDATANodes) {
if (fCurrentCDATASectionIndex == -1) {
int cs = fDeferredDocumentImpl.
createDeferredCDATASection (text.toString ());
fDeferredDocumentImpl.appendChild (fCurrentNodeIndex, cs);
fCurrentCDATASectionIndex = cs;
fCurrentNodeIndex = cs;
}
else {
int txt = fDeferredDocumentImpl.
createDeferredTextNode (text.toString (), false);
fDeferredDocumentImpl.appendChild (fCurrentNodeIndex, txt);
}
} else if (!fInDTD) {
// if type is union (XML Schema) it is possible that we receive
// character call with empty data
if (text.length == 0) {
return;
}
String value = text.toString ();
int txt = fDeferredDocumentImpl.
createDeferredTextNode (value, false);
fDeferredDocumentImpl.appendChild (fCurrentNodeIndex, txt);
}
}
} // characters(XMLString)
/**
* Ignorable whitespace. For this method to be called, the document
* source must have some way of determining that the text containing
* only whitespace characters should be considered ignorable. For
* example, the validator can determine if a length of whitespace
* characters in the document are ignorable based on the element
* content model.
*
* @param text The ignorable whitespace.
* @param augs Additional information that may include infoset augmentations
*
* @throws XNIException Thrown by handler to signal an error.
*/
public void ignorableWhitespace (XMLString text, Augmentations augs) throws XNIException {
if (!fIncludeIgnorableWhitespace || fFilterReject) {
return;
}
if (!fDeferNodeExpansion) {
Node child = fCurrentNode.getLastChild ();
if (child != null && child.getNodeType () == Node.TEXT_NODE) {
Text textNode = (Text)child;
textNode.appendData (text.toString ());
}
else {
Text textNode = fDocument.createTextNode (text.toString ());
if (fDocumentImpl != null) {
TextImpl textNodeImpl = (TextImpl)textNode;
textNodeImpl.setIgnorableWhitespace (true);
}
fCurrentNode.appendChild (textNode);
}
}
else {
// The Text normalization is taken care of within the DOM in the
// deferred case.
int txt = fDeferredDocumentImpl.
createDeferredTextNode (text.toString (), true);
fDeferredDocumentImpl.appendChild (fCurrentNodeIndex, txt);
}
} // ignorableWhitespace(XMLString)
/**
* The end of an element.
*
* @param element The name of the element.
* @param augs Additional information that may include infoset augmentations
*
* @throws XNIException Thrown by handler to signal an error.
*/
public void endElement (QName element, Augmentations augs) throws XNIException {
if (DEBUG_EVENTS) {
System.out.println ("==>endElement ("+element.rawname+")");
}
if (!fDeferNodeExpansion) {
// REVISIT: Should this happen after we call the filter?
if (augs != null && fDocumentImpl != null && (fNamespaceAware || fStorePSVI)) {
ElementPSVI elementPSVI = (ElementPSVI) augs.getItem(Constants.ELEMENT_PSVI);
if (elementPSVI != null) {
// Updating TypeInfo. If the declared type is a union the
// [member type definition] will only be available at the
// end of an element.
if (fNamespaceAware) {
XSTypeDefinition type = elementPSVI.getMemberTypeDefinition();
if (type == null) {
type = elementPSVI.getTypeDefinition();
}
((ElementNSImpl)fCurrentNode).setType(type);
}
if (fStorePSVI) {
((PSVIElementNSImpl)fCurrentNode).setPSVI (elementPSVI);
}
}
}
if (fDOMFilter != null) {
if (fFilterReject) {
if (fRejectedElementDepth-- == 0) {
fFilterReject = false;
}
return;
}
if (!fSkippedElemStack.isEmpty()) {
if (fSkippedElemStack.pop() == Boolean.TRUE) {
return;
}
}
setCharacterData (false);
if ((fCurrentNode != fRoot) && !fInEntityRef && (fDOMFilter.getWhatToShow () & NodeFilter.SHOW_ELEMENT)!=0) {
short code = fDOMFilter.acceptNode (fCurrentNode);
switch (code) {
case LSParserFilter.FILTER_INTERRUPT:{
throw Abort.INSTANCE;
}
case LSParserFilter.FILTER_REJECT:{
Node parent = fCurrentNode.getParentNode ();
parent.removeChild (fCurrentNode);
fCurrentNode = parent;
return;
}
case LSParserFilter.FILTER_SKIP: {
// make sure that if any char data is available
// the fFirstChunk is true, so that if the next event
// is characters(), and the last node is text, we will copy
// the value already in the text node to fStringBuffer
// (not to lose it).
fFirstChunk = true;
// replace children
Node parent = fCurrentNode.getParentNode ();
NodeList ls = fCurrentNode.getChildNodes ();
int length = ls.getLength ();
for (int i=0;i