DTMNodeProxy presents a DOM Node API front-end to the DTM model.
* * It does _not_ attempt to address the "node identity" question; no effort * is made to prevent the creation of multiple proxies referring to a single * DTM node. Users can create a mechanism for managing this, or relinquish the * use of "==" and use the .sameNodeAs() mechanism, which is under * consideration for future versions of the DOM. *
* DTMNodeProxy may be subclassed further to present specific DOM node types.
*
* @see org.w3c.dom
*/
public class DTMNodeProxy
implements Node, Document, Text, Element, Attr,
ProcessingInstruction, Comment, DocumentFragment
{
/** The DTM for this node. */
public DTM dtm;
/** The DTM node handle. */
int node;
/** The return value as Empty String. */
private static final String EMPTYSTRING = "";
/** The DOMImplementation object */
static final DOMImplementation implementation=new DTMNodeProxyImplementation();
/**
* Create a DTMNodeProxy Node representing a specific Node in a DTM
*
* @param dtm The DTM Reference, must be non-null.
* @param node The DTM node handle.
*/
public DTMNodeProxy(DTM dtm, int node)
{
this.dtm = dtm;
this.node = node;
}
/**
* NON-DOM: Return the DTM model
*
* @return The DTM that this proxy is a representative for.
*/
public final DTM getDTM()
{
return dtm;
}
/**
* NON-DOM: Return the DTM node number
*
* @return The DTM node handle.
*/
public final int getDTMNodeNumber()
{
return node;
}
/**
* Test for equality based on node number.
*
* @param node A DTM node proxy reference.
*
* @return true if the given node has the same handle as this node.
*/
public final boolean equals(Node node)
{
try
{
DTMNodeProxy dtmp = (DTMNodeProxy) node;
// return (dtmp.node == this.node);
// Patch attributed to Gary L Peskin
* In XML, a PI's "target" is the first (whitespace-delimited) token
* following the "
* In HTML, target is always null.
*
* Note that getNodeName is aliased to getTarget.
*
*
*/
@Override
public final String getTarget()
{
return dtm.getNodeName(node);
} // getTarget():String
/**
*
*
* @see org.w3c.dom.Node as of DOM Level 2
*/
@Override
public final String getLocalName()
{
return dtm.getLocalName(node);
}
/**
* @return The prefix for this node.
* @see org.w3c.dom.Node as of DOM Level 2
*/
@Override
public final String getPrefix()
{
return dtm.getPrefix(node);
}
/**
*
* @param prefix
*
* @throws DOMException
* @see org.w3c.dom.Node as of DOM Level 2 -- DTMNodeProxy is read-only
*/
@Override
public final void setPrefix(String prefix) throws DOMException
{
throw new DTMDOMException(DOMException.NO_MODIFICATION_ALLOWED_ERR);
}
/**
*
*
* @see org.w3c.dom.Node as of DOM Level 2
*/
@Override
public final String getNamespaceURI()
{
return dtm.getNamespaceURI(node);
}
/** Ask whether we support a given DOM feature.
* In fact, we do not _fully_ support any DOM feature -- we're a
* read-only subset -- so arguably we should always return false.
* Or we could say that we support DOM Core Level 2 but all nodes
* are read-only. Unclear which answer is least misleading.
*
* NON-DOM method. This was present in early drafts of DOM Level 2,
* but was renamed isSupported. It's present here only because it's
* cheap, harmless, and might help some poor fool who is still trying
* to use an early Working Draft of the DOM.
*
* @param feature
* @param version
*
* @return false
*/
public final boolean supports(String feature, String version)
{
return implementation.hasFeature(feature,version);
//throw new DTMDOMException(DOMException.NOT_SUPPORTED_ERR);
}
/** Ask whether we support a given DOM feature.
* In fact, we do not _fully_ support any DOM feature -- we're a
* read-only subset -- so arguably we should always return false.
*
* @param feature
* @param version
*
* @return false
* @see org.w3c.dom.Node as of DOM Level 2
*/
@Override
public final boolean isSupported(String feature, String version)
{
return implementation.hasFeature(feature,version);
// throw new DTMDOMException(DOMException.NOT_SUPPORTED_ERR);
}
/**
*
*
*
* @throws DOMException
* @see org.w3c.dom.Node
*/
@Override
public final String getNodeValue() throws DOMException
{
return dtm.getNodeValue(node);
}
/**
* @return The string value of the node
*
* @throws DOMException
*/
public final String getStringValue() throws DOMException
{
return dtm.getStringValue(node).toString();
}
/**
*
* @param nodeValue
*
* @throws DOMException
* @see org.w3c.dom.Node -- DTMNodeProxy is read-only
*/
@Override
public final void setNodeValue(String nodeValue) throws DOMException
{
throw new DTMDOMException(DOMException.NO_MODIFICATION_ALLOWED_ERR);
}
/**
*
*
* @see org.w3c.dom.Node
*/
@Override
public final short getNodeType()
{
return dtm.getNodeType(node);
}
/**
*
*
* @see org.w3c.dom.Node
*/
@Override
public final Node getParentNode()
{
if (getNodeType() == Node.ATTRIBUTE_NODE)
return null;
int newnode = dtm.getParent(node);
return (newnode == DTM.NULL) ? null : dtm.getNode(newnode);
}
/**
*
*
* @see org.w3c.dom.Node
*/
public final Node getOwnerNode()
{
int newnode = dtm.getParent(node);
return (newnode == DTM.NULL) ? null : dtm.getNode(newnode);
}
/**
*
*
* @see org.w3c.dom.Node
*/
@Override
public final NodeList getChildNodes()
{
// Annoyingly, AxisIterators do not currently implement DTMIterator, so
// we can't just wap DTMNodeList around an Axis.CHILD iterator.
// Instead, we've created a special-case operating mode for that object.
return new DTMChildIterNodeList(dtm,node);
// throw new DTMDOMException(DOMException.NOT_SUPPORTED_ERR);
}
/**
*
*
* @see org.w3c.dom.Node
*/
@Override
public final Node getFirstChild()
{
int newnode = dtm.getFirstChild(node);
return (newnode == DTM.NULL) ? null : dtm.getNode(newnode);
}
/**
*
*
* @see org.w3c.dom.Node
*/
@Override
public final Node getLastChild()
{
int newnode = dtm.getLastChild(node);
return (newnode == DTM.NULL) ? null : dtm.getNode(newnode);
}
/**
*
*
* @see org.w3c.dom.Node
*/
@Override
public final Node getPreviousSibling()
{
int newnode = dtm.getPreviousSibling(node);
return (newnode == DTM.NULL) ? null : dtm.getNode(newnode);
}
/**
*
*
* @see org.w3c.dom.Node
*/
@Override
public final Node getNextSibling()
{
// Attr's Next is defined at DTM level, but not at DOM level.
if (dtm.getNodeType(node) == Node.ATTRIBUTE_NODE)
return null;
int newnode = dtm.getNextSibling(node);
return (newnode == DTM.NULL) ? null : dtm.getNode(newnode);
}
// DTMNamedNodeMap m_attrs;
/**
*
*
* @see org.w3c.dom.Node
*/
@Override
public final NamedNodeMap getAttributes()
{
return new DTMNamedNodeMap(dtm, node);
}
/**
* Method hasAttribute
*
*
* @param name
*
*/
@Override
public boolean hasAttribute(String name)
{
return DTM.NULL != dtm.getAttributeNode(node,null,name);
}
/**
* Method hasAttributeNS
*
*
* @param namespaceURI
* @param localName
*
*
*/
@Override
public boolean hasAttributeNS(String namespaceURI, String localName)
{
return DTM.NULL != dtm.getAttributeNode(node,namespaceURI,localName);
}
/**
*
*
* @see org.w3c.dom.Node
*/
@Override
public final Document getOwnerDocument()
{
// Note that this uses the DOM-compatable version of the call
return (Document)(dtm.getNode(dtm.getOwnerDocument(node)));
}
/**
*
* @param newChild
* @param refChild
*
*
*
* @throws DOMException
* @see org.w3c.dom.Node -- DTMNodeProxy is read-only
*/
@Override
public final Node insertBefore(Node newChild, Node refChild)
throws DOMException
{
throw new DTMDOMException(DOMException.NO_MODIFICATION_ALLOWED_ERR);
}
/**
*
* @param newChild
* @param oldChild
*
*
*
* @throws DOMException
* @see org.w3c.dom.Node -- DTMNodeProxy is read-only
*/
@Override
public final Node replaceChild(Node newChild, Node oldChild)
throws DOMException
{
throw new DTMDOMException(DOMException.NO_MODIFICATION_ALLOWED_ERR);
}
/**
*
* @param oldChild
*
*
*
* @throws DOMException
* @see org.w3c.dom.Node -- DTMNodeProxy is read-only
*/
@Override
public final Node removeChild(Node oldChild) throws DOMException
{
throw new DTMDOMException(DOMException.NO_MODIFICATION_ALLOWED_ERR);
}
/**
*
* @param newChild
*
*
*
* @throws DOMException
* @see org.w3c.dom.Node -- DTMNodeProxy is read-only
*/
@Override
public final Node appendChild(Node newChild) throws DOMException
{
throw new DTMDOMException(DOMException.NO_MODIFICATION_ALLOWED_ERR);
}
/**
*
*
* @see org.w3c.dom.Node
*/
@Override
public final boolean hasChildNodes()
{
return (DTM.NULL != dtm.getFirstChild(node));
}
/**
*
* @param deep
*
*
* @see org.w3c.dom.Node -- DTMNodeProxy is read-only
*/
@Override
public final Node cloneNode(boolean deep)
{
throw new DTMDOMException(DOMException.NOT_SUPPORTED_ERR);
}
/**
*
*
* @see org.w3c.dom.Document
*/
@Override
public final DocumentType getDoctype()
{
return null;
}
/**
*
*
* @see org.w3c.dom.Document
*/
@Override
public final DOMImplementation getImplementation()
{
return implementation;
}
/** This is a bit of a problem in DTM, since a DTM may be a Document
* Fragment and hence not have a clear-cut Document Element. We can
* make it work in the well-formed cases but would that be confusing for others?
*
*
* @see org.w3c.dom.Document
*/
@Override
public final Element getDocumentElement()
{
int dochandle=dtm.getDocument();
int elementhandle=DTM.NULL;
for(int kidhandle=dtm.getFirstChild(dochandle);
kidhandle!=DTM.NULL;
kidhandle=dtm.getNextSibling(kidhandle))
{
switch(dtm.getNodeType(kidhandle))
{
case Node.ELEMENT_NODE:
if(elementhandle!=DTM.NULL)
{
elementhandle=DTM.NULL; // More than one; ill-formed.
kidhandle=dtm.getLastChild(dochandle); // End loop
}
else
elementhandle=kidhandle;
break;
// These are harmless; document is still wellformed
case Node.COMMENT_NODE:
case Node.PROCESSING_INSTRUCTION_NODE:
case Node.DOCUMENT_TYPE_NODE:
break;
default:
elementhandle=DTM.NULL; // ill-formed
kidhandle=dtm.getLastChild(dochandle); // End loop
break;
}
}
if(elementhandle==DTM.NULL)
throw new DTMDOMException(DOMException.NOT_SUPPORTED_ERR);
else
return (Element)(dtm.getNode(elementhandle));
}
/**
*
* @param tagName
*
*
*
* @throws DOMException
* @see org.w3c.dom.Document
*/
@Override
public final Element createElement(String tagName) throws DOMException
{
throw new DTMDOMException(DOMException.NOT_SUPPORTED_ERR);
}
/**
*
*
* @see org.w3c.dom.Document
*/
@Override
public final DocumentFragment createDocumentFragment()
{
throw new DTMDOMException(DOMException.NOT_SUPPORTED_ERR);
}
/**
*
* @param data
*
*
* @see org.w3c.dom.Document
*/
@Override
public final Text createTextNode(String data)
{
throw new DTMDOMException(DOMException.NOT_SUPPORTED_ERR);
}
/**
*
* @param data
*
*
* @see org.w3c.dom.Document
*/
@Override
public final Comment createComment(String data)
{
throw new DTMDOMException(DOMException.NOT_SUPPORTED_ERR);
}
/**
*
* @param data
*
*
*
* @throws DOMException
* @see org.w3c.dom.Document
*/
@Override
public final CDATASection createCDATASection(String data)
throws DOMException
{
throw new DTMDOMException(DOMException.NOT_SUPPORTED_ERR);
}
/**
*
* @param target
* @param data
*
*
*
* @throws DOMException
* @see org.w3c.dom.Document
*/
@Override
public final ProcessingInstruction createProcessingInstruction(
String target, String data) throws DOMException
{
throw new DTMDOMException(DOMException.NOT_SUPPORTED_ERR);
}
/**
*
* @param name
*
*
*
* @throws DOMException
* @see org.w3c.dom.Document
*/
@Override
public final Attr createAttribute(String name) throws DOMException
{
throw new DTMDOMException(DOMException.NOT_SUPPORTED_ERR);
}
/**
*
* @param name
*
*
*
* @throws DOMException
* @see org.w3c.dom.Document
*/
@Override
public final EntityReference createEntityReference(String name)
throws DOMException
{
throw new DTMDOMException(DOMException.NOT_SUPPORTED_ERR);
}
/**
*
* @param tagname
*
*
* @see org.w3c.dom.Document
*/
@Override
public final NodeList getElementsByTagName(String tagname)
{
List EXPERIMENTAL! Based on the Document
* Object Model (DOM) Level 3 Core Working Draft of 5 June 2001..
*
* An attribute specifying, as part of the XML declaration, the encoding
* of this document. This is EXPERIMENTAL! Based on the Document
* Object Model (DOM) Level 3 Core Working Draft of 5 June 2001..
*
* An attribute specifying, as part of the XML declaration, the encoding
* of this document. This is EXPERIMENTAL! Based on the Document
* Object Model (DOM) Level 3 Core Working Draft of 5 June 2001..
*
* An attribute specifying, as part of the XML declaration, whether this
* document is standalone.
* @since DOM Level 3
*
* NEEDSDOC ($objectName$) @return
*/
public boolean getStandalone()
{
throw new DTMDOMException(DOMException.NOT_SUPPORTED_ERR);
}
/**
* EXPERIMENTAL! Based on the Document
* Object Model (DOM) Level 3 Core Working Draft of 5 June 2001..
*
* An attribute specifying, as part of the XML declaration, whether this
* document is standalone.
* @since DOM Level 3
*
* NEEDSDOC @param standalone
*/
public void setStandalone(boolean standalone)
{
throw new DTMDOMException(DOMException.NOT_SUPPORTED_ERR);
}
/**
* EXPERIMENTAL! Based on the Document
* Object Model (DOM) Level 3 Core Working Draft of 5 June 2001..
*
* An attribute specifying whether errors checking is enforced or not.
* When set to EXPERIMENTAL! Based on the Document
* Object Model (DOM) Level 3 Core Working Draft of 5 June 2001..
*
* An attribute specifying whether errors checking is enforced or not.
* When set to EXPERIMENTAL! Based on the Document
* Object Model (DOM) Level 3 Core Working Draft of 5 June 2001..
*
* An attribute specifying, as part of the XML declaration, the version
* number of this document. This is EXPERIMENTAL! Based on the Document
* Object Model (DOM) Level 3 Core Working Draft of 5 June 2001..
*
* An attribute specifying, as part of the XML declaration, the version
* number of this document. This is null when unspecified.
* @since DOM Level 3
*
* NEEDSDOC ($objectName$) @return
*/
@Override
public String getInputEncoding()
{
throw new DTMDOMException(DOMException.NOT_SUPPORTED_ERR);
}
/**
* null when unspecified.
* @since DOM Level 3
*
* NEEDSDOC @param encoding
*/
public void setEncoding(String encoding)
{
throw new DTMDOMException(DOMException.NOT_SUPPORTED_ERR);
}
/**
* false, the implementation is free to not
* test every possible error case normally defined on DOM operations,
* and not raise any DOMException. In case of error, the
* behavior is undefined. This attribute is true by
* defaults.
* @since DOM Level 3
*
* NEEDSDOC ($objectName$) @return
*/
@Override
public boolean getStrictErrorChecking()
{
throw new DTMDOMException(DOMException.NOT_SUPPORTED_ERR);
}
/**
* false, the implementation is free to not
* test every possible error case normally defined on DOM operations,
* and not raise any DOMException. In case of error, the
* behavior is undefined. This attribute is true by
* defaults.
* @since DOM Level 3
*
* NEEDSDOC @param strictErrorChecking
*/
@Override
public void setStrictErrorChecking(boolean strictErrorChecking)
{
throw new DTMDOMException(DOMException.NOT_SUPPORTED_ERR);
}
/**
* null when unspecified.
* @since DOM Level 3
*
* NEEDSDOC ($objectName$) @return
*/
public String getVersion()
{
throw new DTMDOMException(DOMException.NOT_SUPPORTED_ERR);
}
/**
* null when unspecified.
* @since DOM Level 3
*
* NEEDSDOC @param version
*/
public void setVersion(String version)
{
throw new DTMDOMException(DOMException.NOT_SUPPORTED_ERR);
}
/** Inner class to support getDOMImplementation.
*/
static class DTMNodeProxyImplementation implements DOMImplementation
{
@Override
public DocumentType createDocumentType(String qualifiedName,String publicId, String systemId)
{
throw new DTMDOMException(DOMException.NOT_SUPPORTED_ERR);
}
@Override
public Document createDocument(String namespaceURI,String qualfiedName,DocumentType doctype)
{
// Could create a DTM... but why, when it'd have to be permanantly empty?
throw new DTMDOMException(DOMException.NOT_SUPPORTED_ERR);
}
/** Ask whether we support a given DOM feature.
*
* In fact, we do not _fully_ support any DOM feature -- we're a
* read-only subset -- so arguably we should always return false.
* On the other hand, it may be more practically useful to return
* true and simply treat the whole DOM as read-only, failing on the
* methods we can't support. I'm not sure which would be more useful
* to the caller.
*/
@Override
public boolean hasFeature(String feature,String version)
{
if( ("CORE".equals(feature.toUpperCase()) || "XML".equals(feature.toUpperCase()))
&&
("1.0".equals(version) || "2.0".equals(version)))
return true;
return false;
}
/**
* This method returns a specialized object which implements the
* specialized APIs of the specified feature and version. The
* specialized object may also be obtained by using binding-specific
* casting methods but is not necessarily expected to, as discussed in Mixed DOM implementations
.
* @param feature The name of the feature requested (case-insensitive).
* @param version This is the version number of the feature to test. If
* the version is null or the empty string, supporting
* any version of the feature will cause the method to return an
* object that supports at least one version of the feature.
* @return Returns an object which implements the specialized APIs of
* the specified feature and version, if any, or null if
* there is no object which implements interfaces associated with that
* feature. If the DOMObject returned by this method
* implements the Node interface, it must delegate to the
* primary core Node and not return results inconsistent
* with the primary core Node such as attributes,
* childNodes, etc.
* @since DOM Level 3
*/
@Override
public Object getFeature(String feature, String version) {
// we don't have any alternate node, either this node does the job
// or we don't have anything that does
//return hasFeature(feature, version) ? this : null;
return null; //PENDING
}
}
//RAMESH : Pending proper implementation of DOM Level 3
@Override
public Object setUserData(String key,
Object data,
UserDataHandler handler) {
return getOwnerDocument().setUserData( key, data, handler);
}
/**
* Retrieves the object associated to a key on a this node. The object
* must first have been set to this node by calling
* setUserData with the same key.
* @param key The key the object is associated to.
* @return Returns the DOMObject associated to the given key
* on this node, or null if there was none.
* @since DOM Level 3
*/
@Override
public Object getUserData(String key) {
return getOwnerDocument().getUserData( key);
}
/**
* This method returns a specialized object which implements the
* specialized APIs of the specified feature and version. The
* specialized object may also be obtained by using binding-specific
* casting methods but is not necessarily expected to, as discussed in Mixed DOM implementations.
* @param feature The name of the feature requested (case-insensitive).
* @param version This is the version number of the feature to test. If
* the version is null or the empty string, supporting
* any version of the feature will cause the method to return an
* object that supports at least one version of the feature.
* @return Returns an object which implements the specialized APIs of
* the specified feature and version, if any, or null if
* there is no object which implements interfaces associated with that
* feature. If the DOMObject returned by this method
* implements the Node interface, it must delegate to the
* primary core Node and not return results inconsistent
* with the primary core Node such as attributes,
* childNodes, etc.
* @since DOM Level 3
*/
@Override
public Object getFeature(String feature, String version) {
// we don't have any alternate node, either this node does the job
// or we don't have anything that does
return isSupported(feature, version) ? this : null;
}
/**
* Tests whether two nodes are equal.
*
This method tests for equality of nodes, not sameness (i.e.,
* whether the two nodes are references to the same object) which can be
* tested with Node.isSameNode. All nodes that are the same
* will also be equal, though the reverse may not be true.
*
Two nodes are equal if and only if the following conditions are
* satisfied: The two nodes are of the same type.The following string
* attributes are equal: nodeName, localName,
* namespaceURI, prefix, nodeValue
* , baseURI. This is: they are both null, or
* they have the same length and are character for character identical.
* The attributes NamedNodeMaps are equal.
* This is: they are both null, or they have the same
* length and for each node that exists in one map there is a node that
* exists in the other map and is equal, although not necessarily at the
* same index.The childNodes NodeLists are
* equal. This is: they are both null, or they have the
* same length and contain equal nodes at the same index. This is true
* for Attr nodes as for any other type of node. Note that
* normalization can affect equality; to avoid this, nodes should be
* normalized before being compared.
*
For two DocumentType nodes to be equal, the following
* conditions must also be satisfied: The following string attributes
* are equal: publicId, systemId,
* internalSubset.The entities
* NamedNodeMaps are equal.The notations
* NamedNodeMaps are equal.
*
On the other hand, the following do not affect equality: the
* ownerDocument attribute, the specified
* attribute for Attr nodes, the
* isWhitespaceInElementContent attribute for
* Text nodes, as well as any user data or event listeners
* registered on the nodes.
* @param arg The node to compare equality with.
* @param deep If true, recursively compare the subtrees; if
* false, compare only the nodes themselves (and its
* attributes, if it is an Element).
* @return If the nodes, and possibly subtrees are equal,
* true otherwise false.
* @since DOM Level 3
*/
@Override
public boolean isEqualNode(Node arg) {
if (arg == this) {
return true;
}
if (arg.getNodeType() != getNodeType()) {
return false;
}
// in theory nodeName can't be null but better be careful
// who knows what other implementations may be doing?...
if (getNodeName() == null) {
if (arg.getNodeName() != null) {
return false;
}
}
else if (!getNodeName().equals(arg.getNodeName())) {
return false;
}
if (getLocalName() == null) {
if (arg.getLocalName() != null) {
return false;
}
}
else if (!getLocalName().equals(arg.getLocalName())) {
return false;
}
if (getNamespaceURI() == null) {
if (arg.getNamespaceURI() != null) {
return false;
}
}
else if (!getNamespaceURI().equals(arg.getNamespaceURI())) {
return false;
}
if (getPrefix() == null) {
if (arg.getPrefix() != null) {
return false;
}
}
else if (!getPrefix().equals(arg.getPrefix())) {
return false;
}
if (getNodeValue() == null) {
if (arg.getNodeValue() != null) {
return false;
}
}
else if (!getNodeValue().equals(arg.getNodeValue())) {
return false;
}
/*
if (getBaseURI() == null) {
if (((NodeImpl) arg).getBaseURI() != null) {
return false;
}
}
else if (!getBaseURI().equals(((NodeImpl) arg).getBaseURI())) {
return false;
}
*/
return true;
}
/**
* DOM Level 3
* Look up the namespace URI associated to the given prefix, starting from this node.
* Use lookupNamespaceURI(null) to lookup the default namespace
*
* @param namespaceURI
* @return th URI for the namespace
* @since DOM Level 3
*/
@Override
public String lookupNamespaceURI(String specifiedPrefix) {
short type = this.getNodeType();
switch (type) {
case Node.ELEMENT_NODE : {
String namespace = this.getNamespaceURI();
String prefix = this.getPrefix();
if (namespace !=null) {
// REVISIT: is it possible that prefix is empty string?
if (specifiedPrefix== null && prefix==specifiedPrefix) {
// looking for default namespace
return namespace;
} else if (prefix != null && prefix.equals(specifiedPrefix)) {
// non default namespace
return namespace;
}
}
if (this.hasAttributes()) {
NamedNodeMap map = this.getAttributes();
int length = map.getLength();
for (int i=0;itrue if the specified namespaceURI
* is the default namespace, false otherwise.
* @since DOM Level 3
*/
@Override
public boolean isDefaultNamespace(String namespaceURI){
/*
// REVISIT: remove casts when DOM L3 becomes REC.
short type = this.getNodeType();
switch (type) {
case Node.ELEMENT_NODE: {
String namespace = this.getNamespaceURI();
String prefix = this.getPrefix();
// REVISIT: is it possible that prefix is empty string?
if (prefix == null || prefix.length() == 0) {
if (namespaceURI == null) {
return (namespace == namespaceURI);
}
return namespaceURI.equals(namespace);
}
if (this.hasAttributes()) {
ElementImpl elem = (ElementImpl)this;
NodeImpl attr = (NodeImpl)elem.getAttributeNodeNS("http://www.w3.org/2000/xmlns/", "xmlns");
if (attr != null) {
String value = attr.getNodeValue();
if (namespaceURI == null) {
return (namespace == value);
}
return namespaceURI.equals(value);
}
}
NodeImpl ancestor = (NodeImpl)getElementAncestor(this);
if (ancestor != null) {
return ancestor.isDefaultNamespace(namespaceURI);
}
return false;
}
case Node.DOCUMENT_NODE:{
return((NodeImpl)((Document)this).getDocumentElement()).isDefaultNamespace(namespaceURI);
}
case Node.ENTITY_NODE :
case Node.NOTATION_NODE:
case Node.DOCUMENT_FRAGMENT_NODE:
case Node.DOCUMENT_TYPE_NODE:
// type is unknown
return false;
case Node.ATTRIBUTE_NODE:{
if (this.ownerNode.getNodeType() == Node.ELEMENT_NODE) {
return ownerNode.isDefaultNamespace(namespaceURI);
}
return false;
}
default:{
NodeImpl ancestor = (NodeImpl)getElementAncestor(this);
if (ancestor != null) {
return ancestor.isDefaultNamespace(namespaceURI);
}
return false;
}
}
*/
return false;
}
/**
*
* DOM Level 3
* Look up the prefix associated to the given namespace URI, starting from this node.
*
* @param namespaceURI
* @return the prefix for the namespace
*/
@Override
public String lookupPrefix(String namespaceURI){
// REVISIT: When Namespaces 1.1 comes out this may not be true
// Prefix can't be bound to null namespace
if (namespaceURI == null) {
return null;
}
short type = this.getNodeType();
switch (type) {
/*
case Node.ELEMENT_NODE: {
String namespace = this.getNamespaceURI(); // to flip out children
return lookupNamespacePrefix(namespaceURI, (ElementImpl)this);
}
case Node.DOCUMENT_NODE:{
return((NodeImpl)((Document)this).getDocumentElement()).lookupPrefix(namespaceURI);
}
*/
case Node.ENTITY_NODE :
case Node.NOTATION_NODE:
case Node.DOCUMENT_FRAGMENT_NODE:
case Node.DOCUMENT_TYPE_NODE:
// type is unknown
return null;
case Node.ATTRIBUTE_NODE:{
if (this.getOwnerElement().getNodeType() == Node.ELEMENT_NODE) {
return getOwnerElement().lookupPrefix(namespaceURI);
}
return null;
}
default:{
/*
NodeImpl ancestor = (NodeImpl)getElementAncestor(this);
if (ancestor != null) {
return ancestor.lookupPrefix(namespaceURI);
}
*/
return null;
}
}
}
/**
* Returns whether this node is the same node as the given one.
*
This method provides a way to determine whether two
* Node references returned by the implementation reference
* the same object. When two Node references are references
* to the same object, even if through a proxy, the references may be
* used completely interchangably, such that all attributes have the
* same values and calling the same DOM method on either reference
* always has exactly the same effect.
* @param other The node to test against.
* @return Returns true if the nodes are the same,
* false otherwise.
* @since DOM Level 3
*/
@Override
public boolean isSameNode(Node other) {
// we do not use any wrapper so the answer is obvious
return this == other;
}
/**
* This attribute returns the text content of this node and its
* descendants. When it is defined to be null, setting it has no effect.
* When set, any possible children this node may have are removed and
* replaced by a single Text node containing the string
* this attribute is set to. On getting, no serialization is performed,
* the returned string does not contain any markup. No whitespace
* normalization is performed, the returned string does not contain the
* element content whitespaces . Similarly, on setting, no parsing is
* performed either, the input string is taken as pure textual content.
*
The string returned is made of the text content of this node
* depending on its type, as defined below:
*
*
* @exception DOMException
* NO_MODIFICATION_ALLOWED_ERR: Raised when the node is readonly.
* @exception DOMException
* DOMSTRING_SIZE_ERR: Raised when it would return more characters than
* fit in a
*
* Node type
* Content
*
*
*
* ELEMENT_NODE, ENTITY_NODE, ENTITY_REFERENCE_NODE,
* DOCUMENT_FRAGMENT_NODE
* concatenation of the
* textContent
* attribute value of every child node, excluding COMMENT_NODE and
* PROCESSING_INSTRUCTION_NODE nodes
*
* ATTRIBUTE_NODE, TEXT_NODE,
* CDATA_SECTION_NODE, COMMENT_NODE, PROCESSING_INSTRUCTION_NODE
*
*
* nodeValue
*
* DOCUMENT_NODE, DOCUMENT_TYPE_NODE, NOTATION_NODE
*
* null
* DOMString variable on the implementation
* platform.
* @since DOM Level 3
*/
@Override
public void setTextContent(String textContent)
throws DOMException {
setNodeValue(textContent);
}
/**
* This attribute returns the text content of this node and its
* descendants. When it is defined to be null, setting it has no effect.
* When set, any possible children this node may have are removed and
* replaced by a single Text node containing the string
* this attribute is set to. On getting, no serialization is performed,
* the returned string does not contain any markup. No whitespace
* normalization is performed, the returned string does not contain the
* element content whitespaces . Similarly, on setting, no parsing is
* performed either, the input string is taken as pure textual content.
*
The string returned is made of the text content of this node
* depending on its type, as defined below:
*
*
* @exception DOMException
* NO_MODIFICATION_ALLOWED_ERR: Raised when the node is readonly.
* @exception DOMException
* DOMSTRING_SIZE_ERR: Raised when it would return more characters than
* fit in a
*
* Node type
* Content
*
*
*
* ELEMENT_NODE, ENTITY_NODE, ENTITY_REFERENCE_NODE,
* DOCUMENT_FRAGMENT_NODE
* concatenation of the
* textContent
* attribute value of every child node, excluding COMMENT_NODE and
* PROCESSING_INSTRUCTION_NODE nodes
*
* ATTRIBUTE_NODE, TEXT_NODE,
* CDATA_SECTION_NODE, COMMENT_NODE, PROCESSING_INSTRUCTION_NODE
*
*
* nodeValue
*
* DOCUMENT_NODE, DOCUMENT_TYPE_NODE, NOTATION_NODE
*
* null
* DOMString variable on the implementation
* platform.
* @since DOM Level 3
*/
@Override
public String getTextContent() throws DOMException {
return dtm.getStringValue(node).toString();
}
/**
* Compares a node with this node with regard to their position in the
* document.
* @param other The node to compare against this node.
* @return Returns how the given node is positioned relatively to this
* node.
* @since DOM Level 3
*/
@Override
public short compareDocumentPosition(Node other) throws DOMException {
return 0;
}
/**
* The absolute base URI of this node or null if undefined.
* This value is computed according to . However, when the
* Document supports the feature "HTML" , the base URI is
* computed using first the value of the href attribute of the HTML BASE
* element if any, and the value of the documentURI
* attribute from the Document interface otherwise.
*
When the node is an Element, a Document
* or a a ProcessingInstruction, this attribute represents
* the properties [base URI] defined in . When the node is a
* Notation, an Entity, or an
* EntityReference, this attribute represents the
* properties [declaration base URI] in the . How will this be affected
* by resolution of relative namespace URIs issue?It's not.Should this
* only be on Document, Element, ProcessingInstruction, Entity, and
* Notation nodes, according to the infoset? If not, what is it equal to
* on other nodes? Null? An empty string? I think it should be the
* parent's.No.Should this be read-only and computed or and actual
* read-write attribute?Read-only and computed (F2F 19 Jun 2000 and
* teleconference 30 May 2001).If the base HTML element is not yet
* attached to a document, does the insert change the Document.baseURI?
* Yes. (F2F 26 Sep 2001)
* @since DOM Level 3
*/
@Override
public String getBaseURI() {
return null;
}
/**
* DOM Level 3
* Renaming node
*/
@Override
public Node renameNode(Node n,
String namespaceURI,
String name)
throws DOMException{
return n;
}
/**
* DOM Level 3
* Normalize document.
*/
@Override
public void normalizeDocument(){
}
/**
* The configuration used when Document.normalizeDocument is
* invoked.
* @since DOM Level 3
*/
@Override
public DOMConfiguration getDomConfig(){
return null;
}
/** DOM Level 3 feature: documentURI */
protected String fDocumentURI;
/**
* DOM Level 3
*/
@Override
public void setDocumentURI(String documentURI){
fDocumentURI= documentURI;
}
/**
* DOM Level 3
* The location of the document or null if undefined.
*
Beware that when the Document supports the feature
* "HTML" , the href attribute of the HTML BASE element takes precedence
* over this attribute.
* @since DOM Level 3
*/
@Override
public String getDocumentURI(){
return fDocumentURI;
}
/**DOM Level 3 feature: Document actualEncoding */
protected String actualEncoding;
/**
* DOM Level 3
* An attribute specifying the actual encoding of this document. This is
* null otherwise.
*
This attribute represents the property [character encoding scheme]
* defined in .
* @since DOM Level 3
*/
public String getActualEncoding() {
return actualEncoding;
}
/**
* DOM Level 3
* An attribute specifying the actual encoding of this document. This is
* null otherwise.
*
This attribute represents the property [character encoding scheme]
* defined in .
* @since DOM Level 3
*/
public void setActualEncoding(String value) {
actualEncoding = value;
}
/**
* DOM Level 3
*/
@Override
public Text replaceWholeText(String content)
throws DOMException{
/*
if (needsSyncData()) {
synchronizeData();
}
// make sure we can make the replacement
if (!canModify(nextSibling)) {
throw new DOMException(DOMException.NO_MODIFICATION_ALLOWED_ERR,
DOMMessageFormatter.formatMessage(DOMMessageFormatter.DOM_DOMAIN, "NO_MODIFICATION_ALLOWED_ERR", null));
}
Node parent = this.getParentNode();
if (content == null || content.length() == 0) {
// remove current node
if (parent !=null) { // check if node in the tree
parent.removeChild(this);
return null;
}
}
Text currentNode = null;
if (isReadOnly()){
Text newNode = this.ownerDocument().createTextNode(content);
if (parent !=null) { // check if node in the tree
parent.insertBefore(newNode, this);
parent.removeChild(this);
currentNode = newNode;
} else {
return newNode;
}
} else {
this.setData(content);
currentNode = this;
}
Node sibling = currentNode.getNextSibling();
while ( sibling !=null) {
parent.removeChild(sibling);
sibling = currentNode.getNextSibling();
}
return currentNode;
*/
return null; //Pending
}
/**
* DOM Level 3
* Returns all text of Text nodes logically-adjacent text
* nodes to this node, concatenated in document order.
* @since DOM Level 3
*/
@Override
public String getWholeText(){
/*
if (needsSyncData()) {
synchronizeData();
}
if (nextSibling == null) {
return data;
}
StringBuffer buffer = new StringBuffer();
if (data != null && data.length() != 0) {
buffer.append(data);
}
getWholeText(nextSibling, buffer);
return buffer.toString();
*/
return null; // PENDING
}
/**
* DOM Level 3
* Returns whether this text node contains whitespace in element content,
* often abusively called "ignorable whitespace".
*/
@Override
public boolean isElementContentWhitespace(){
return false;
}
/**
* NON-DOM: set the type of this attribute to be ID type.
*
* @param id
*/
public void setIdAttribute(boolean id){
//PENDING
}
/**
* DOM Level 3: register the given attribute node as an ID attribute
*/
@Override
public void setIdAttribute(String name, boolean makeId) {
//PENDING
}
/**
* DOM Level 3: register the given attribute node as an ID attribute
*/
@Override
public void setIdAttributeNode(Attr at, boolean makeId) {
//PENDING
}
/**
* DOM Level 3: register the given attribute node as an ID attribute
*/
@Override
public void setIdAttributeNS(String namespaceURI, String localName,
boolean makeId) {
//PENDING
}
/**
* Method getSchemaTypeInfo.
* @return TypeInfo
*/
@Override
public TypeInfo getSchemaTypeInfo(){
return null; //PENDING
}
@Override
public boolean isId() {
return false; //PENDING
}
private String xmlEncoding;
@Override
public String getXmlEncoding( ) {
return xmlEncoding;
}
public void setXmlEncoding( String xmlEncoding ) {
this.xmlEncoding = xmlEncoding;
}
private boolean xmlStandalone;
@Override
public boolean getXmlStandalone() {
return xmlStandalone;
}
@Override
public void setXmlStandalone(boolean xmlStandalone) throws DOMException {
this.xmlStandalone = xmlStandalone;
}
private String xmlVersion;
@Override
public String getXmlVersion() {
return xmlVersion;
}
@Override
public void setXmlVersion(String xmlVersion) throws DOMException {
this.xmlVersion = xmlVersion;
}
}