下面列出了怎么用org.w3c.dom.EntityReference的API类实例代码及写法，或者点击链接到github查看源代码。
/**
* Extracts the text value from the given DOM element, ignoring XML comments.
* <p>Appends all CharacterData nodes and EntityReference nodes into a single
* String value, excluding Comment nodes. Only exposes actual user-specified
* text, no default values of any kind.
* @see CharacterData
* @see EntityReference
* @see Comment
*/
public static String getTextValue(Element valueEle) {
Assert.notNull(valueEle, "Element must not be null");
StringBuilder sb = new StringBuilder();
NodeList nl = valueEle.getChildNodes();
for (int i = 0; i < nl.getLength(); i++) {
Node item = nl.item(i);
if ((item instanceof CharacterData && !(item instanceof Comment)) || item instanceof EntityReference) {
sb.append(item.getNodeValue());
}
}
return sb.toString();
}
/**
* Factory method; creates an EntityReference having this Document
* as its OwnerDoc.
*
* @param name The name of the Entity we wish to refer to
*
* @throws DOMException(NOT_SUPPORTED_ERR) for HTML documents, where
* nonstandard entities are not permitted. (HTML not yet
* implemented.)
*/
public EntityReference createEntityReference(String name)
throws DOMException {
if (errorChecking && !isXMLName(name,xml11Version)) {
String msg = DOMMessageFormatter.formatMessage(DOMMessageFormatter.DOM_DOMAIN, "INVALID_CHARACTER_ERR", null);
throw new DOMException(DOMException.INVALID_CHARACTER_ERR, msg);
}
return new EntityReferenceImpl(this, name);
}
public void print(Node node) throws XMLStreamException {
switch (node.getNodeType()) {
case Node.DOCUMENT_NODE:
visitDocument((Document) node);
break;
case Node.DOCUMENT_FRAGMENT_NODE:
visitDocumentFragment((DocumentFragment) node);
break;
case Node.ELEMENT_NODE:
visitElement((Element) node);
break;
case Node.TEXT_NODE:
visitText((Text) node);
break;
case Node.CDATA_SECTION_NODE:
visitCDATASection((CDATASection) node);
break;
case Node.PROCESSING_INSTRUCTION_NODE:
visitProcessingInstruction((ProcessingInstruction) node);
break;
case Node.ENTITY_REFERENCE_NODE:
visitReference((EntityReference) node);
break;
case Node.COMMENT_NODE:
visitComment((Comment) node);
break;
case Node.DOCUMENT_TYPE_NODE:
break;
case Node.ATTRIBUTE_NODE:
case Node.ENTITY_NODE:
default:
throw new XMLStreamException("Unexpected DOM Node Type "
+ node.getNodeType()
);
}
}
/**
* Factory method; creates an EntityReference having this Document
* as its OwnerDoc.
*
* @param name The name of the Entity we wish to refer to
*
* @throws DOMException(NOT_SUPPORTED_ERR) for HTML documents, where
* nonstandard entities are not permitted. (HTML not yet
* implemented.)
*/
public EntityReference createEntityReference(String name)
throws DOMException {
if (errorChecking && !isXMLName(name,xml11Version)) {
String msg = DOMMessageFormatter.formatMessage(DOMMessageFormatter.DOM_DOMAIN, "INVALID_CHARACTER_ERR", null);
throw new DOMException(DOMException.INVALID_CHARACTER_ERR, msg);
}
return new EntityReferenceImpl(this, name);
}
/**
* Factory method; creates an EntityReference having this Document
* as its OwnerDoc.
*
* @param name The name of the Entity we wish to refer to
*
* @throws DOMException(NOT_SUPPORTED_ERR) for HTML documents, where
* nonstandard entities are not permitted. (HTML not yet
* implemented.)
*/
public EntityReference createEntityReference(String name)
throws DOMException {
if (errorChecking && !isXMLName(name,xml11Version)) {
String msg = DOMMessageFormatter.formatMessage(DOMMessageFormatter.DOM_DOMAIN, "INVALID_CHARACTER_ERR", null);
throw new DOMException(DOMException.INVALID_CHARACTER_ERR, msg);
}
return new EntityReferenceImpl(this, name);
}
/**
* Extracts the text value from the given DOM element, ignoring XML comments.
* <p>Appends all CharacterData nodes and EntityReference nodes into a single
* String value, excluding Comment nodes. Only exposes actual user-specified
* text, no default values of any kind.
* @see CharacterData
* @see EntityReference
* @see Comment
*/
public static String getTextValue(Element valueEle) {
Assert.notNull(valueEle, "Element must not be null");
StringBuilder sb = new StringBuilder();
NodeList nl = valueEle.getChildNodes();
for (int i = 0; i < nl.getLength(); i++) {
Node item = nl.item(i);
if ((item instanceof CharacterData && !(item instanceof Comment)) || item instanceof EntityReference) {
sb.append(item.getNodeValue());
}
}
return sb.toString();
}
public static String getTextForNode(Node node) {
StringBuilder sb = new StringBuilder();
NodeList children = node.getChildNodes();
if (children.getLength() == 0)
return null;
for (int i = 0; i < children.getLength(); ++i) {
Node n = children.item(i);
if (n instanceof Text)
sb.append(n.getNodeValue());
else if (n instanceof EntityReference) {
String s = getTextForNode(n);
if (s == null)
return null;
else
sb.append(s);
} else
return null;
}
return sb.toString();
}
public void print(Node node) throws XMLStreamException {
switch (node.getNodeType()) {
case Node.DOCUMENT_NODE:
visitDocument((Document) node);
break;
case Node.DOCUMENT_FRAGMENT_NODE:
visitDocumentFragment((DocumentFragment) node);
break;
case Node.ELEMENT_NODE:
visitElement((Element) node);
break;
case Node.TEXT_NODE:
visitText((Text) node);
break;
case Node.CDATA_SECTION_NODE:
visitCDATASection((CDATASection) node);
break;
case Node.PROCESSING_INSTRUCTION_NODE:
visitProcessingInstruction((ProcessingInstruction) node);
break;
case Node.ENTITY_REFERENCE_NODE:
visitReference((EntityReference) node);
break;
case Node.COMMENT_NODE:
visitComment((Comment) node);
break;
case Node.DOCUMENT_TYPE_NODE:
break;
case Node.ATTRIBUTE_NODE:
case Node.ENTITY_NODE:
default:
throw new XMLStreamException("Unexpected DOM Node Type "
+ node.getNodeType()
);
}
}
/**
* Write.
*
* @param node
* the node
*/
protected void write(EntityReference node) {
printWriter.print('&');
printWriter.print(node.getNodeName());
printWriter.print(';');
printWriter.flush();
}
/**
* Validate a single Node by delegating to node type specific methods.
* @see #testAttribute(Attr)
* @see #testCDATASection(CDATASection)
* @see #testComment(Comment)
* @see #testDocumentType(DocumentType)
* @see #testElement(Element)
* @see #testEntity(Entity)
* @see #testEntityReference(EntityReference)
* @see #testNotation(Notation)
* @see #testProcessingInstruction(ProcessingInstruction)
* @see #testText(Text)
*/
public void testNode(Node aNode, NodeTest forTest) throws NodeTestException {
switch (aNode.getNodeType()) {
case Node.ATTRIBUTE_NODE:
// should not happen as attributes are not exposed by DOM traversal
testAttribute((Attr)aNode);
break;
case Node.CDATA_SECTION_NODE:
testCDATASection((CDATASection)aNode);
break;
case Node.COMMENT_NODE:
testComment((Comment)aNode);
break;
case Node.DOCUMENT_TYPE_NODE:
testDocumentType((DocumentType)aNode);
break;
case Node.ELEMENT_NODE:
testElement((Element)aNode);
break;
case Node.ENTITY_NODE:
testEntity((Entity)aNode);
break;
case Node.ENTITY_REFERENCE_NODE:
testEntityReference((EntityReference)aNode);
break;
case Node.NOTATION_NODE:
testNotation((Notation)aNode);
break;
case Node.PROCESSING_INSTRUCTION_NODE:
testProcessingInstruction(
(ProcessingInstruction) aNode);
break;
case Node.TEXT_NODE:
testText((Text)aNode);
break;
default:
throw new NodeTestException("No delegate method for Node type",
aNode);
}
}
public void testEntityReference() {
AbstractNodeTester t = new AbstractNodeTester() { };
EntityReference n = doc.createEntityReference("foo");
try {
t.testNode(n, null);
fail("expected exception");
} catch (NodeTestException ex) {
assertSame(n, ex.getNode());
}
}
/**
* {@inheritDoc}
*/
@Override
protected void checkChildHierarchy(final Node childNode) throws DOMException {
if (!((childNode instanceof Element) || (childNode instanceof Text)
|| (childNode instanceof Comment) || (childNode instanceof ProcessingInstruction)
|| (childNode instanceof CDATASection) || (childNode instanceof EntityReference))) {
throw new DOMException(DOMException.HIERARCHY_REQUEST_ERR,
"The Element may not have a child of this type: " + childNode.getNodeType());
}
super.checkChildHierarchy(childNode);
}
private String getHTMLContent(Node content)
{
StringBuilder sb = new StringBuilder();
for (int i = 0; i < content.getChildNodes().getLength(); i++)
{
Node child = content.getChildNodes().item(i);
switch (child.getNodeType())
{
case ELEMENT_NODE:
sb.append("<");
sb.append(child.getLocalName());
sb.append(htmlAttributes(child));
sb.append(">");
sb.append(getHTMLContent(child));
sb.append("</");
sb.append(child.getLocalName());
sb.append(">");
break;
case Node.COMMENT_NODE: //no need to record comment nodes
break;
case Node.ENTITY_REFERENCE_NODE:
//load in external content
String entityRef = child.getTextContent();
EntityReference ref = (EntityReference) child;
System.out.println(entityRef);
break;
default:
if (child != null && child.getTextContent() != null)
{
String parsed = child.getTextContent().replace("\u2019", "’");
sb.append(parsed);
}
break;
}
}
return sb.toString();
}
public static String getTextForNode(Node node) {
StringBuilder sb = new StringBuilder();
NodeList children = node.getChildNodes();
if (children.getLength() == 0)
return null;
for (int i = 0; i < children.getLength(); ++i) {
Node n = children.item(i);
if (n instanceof Text)
sb.append(n.getNodeValue());
else if (n instanceof EntityReference) {
String s = getTextForNode(n);
if (s == null)
return null;
else
sb.append(s);
} else
return null;
}
return sb.toString();
}
public void print(Node node) throws XMLStreamException {
switch (node.getNodeType()) {
case Node.DOCUMENT_NODE:
visitDocument((Document) node);
break;
case Node.DOCUMENT_FRAGMENT_NODE:
visitDocumentFragment((DocumentFragment) node);
break;
case Node.ELEMENT_NODE:
visitElement((Element) node);
break;
case Node.TEXT_NODE:
visitText((Text) node);
break;
case Node.CDATA_SECTION_NODE:
visitCDATASection((CDATASection) node);
break;
case Node.PROCESSING_INSTRUCTION_NODE:
visitProcessingInstruction((ProcessingInstruction) node);
break;
case Node.ENTITY_REFERENCE_NODE:
visitReference((EntityReference) node);
break;
case Node.COMMENT_NODE:
visitComment((Comment) node);
break;
case Node.DOCUMENT_TYPE_NODE:
break;
case Node.ATTRIBUTE_NODE:
case Node.ENTITY_NODE:
default:
throw new XMLStreamException("Unexpected DOM Node Type "
+ node.getNodeType()
);
}
}
/**
* Factory method; creates an EntityReference having this Document
* as its OwnerDoc.
*
* @param name The name of the Entity we wish to refer to
*
* @throws DOMException(NOT_SUPPORTED_ERR) for HTML documents, where
* nonstandard entities are not permitted. (HTML not yet
* implemented.)
*/
public EntityReference createEntityReference(String name)
throws DOMException {
if (errorChecking && !isXMLName(name,xml11Version)) {
String msg = DOMMessageFormatter.formatMessage(DOMMessageFormatter.DOM_DOMAIN, "INVALID_CHARACTER_ERR", null);
throw new DOMException(DOMException.INVALID_CHARACTER_ERR, msg);
}
return new EntityReferenceImpl(this, name);
}
public static String getTextForNode(Node node) {
StringBuilder sb = new StringBuilder();
NodeList children = node.getChildNodes();
if (children.getLength() == 0)
return null;
for (int i = 0; i < children.getLength(); ++i) {
Node n = children.item(i);
if (n instanceof Text)
sb.append(n.getNodeValue());
else if (n instanceof EntityReference) {
String s = getTextForNode(n);
if (s == null)
return null;
else
sb.append(s);
} else
return null;
}
return sb.toString();
}
/**
* Factory method; creates an EntityReference having this Document
* as its OwnerDoc.
*
* @param name The name of the Entity we wish to refer to
*
* @throws DOMException(NOT_SUPPORTED_ERR) for HTML documents, where
* nonstandard entities are not permitted. (HTML not yet
* implemented.)
*/
public EntityReference createEntityReference(String name)
throws DOMException {
if (errorChecking && !isXMLName(name,xml11Version)) {
String msg = DOMMessageFormatter.formatMessage(DOMMessageFormatter.DOM_DOMAIN, "INVALID_CHARACTER_ERR", null);
throw new DOMException(DOMException.INVALID_CHARACTER_ERR, msg);
}
return new EntityReferenceImpl(this, name);
}
/**
* Factory method; creates an EntityReference having this Document
* as its OwnerDoc.
*
* @param name The name of the Entity we wish to refer to
*
* @throws DOMException(NOT_SUPPORTED_ERR) for HTML documents, where
* nonstandard entities are not permitted. (HTML not yet
* implemented.)
*/
public EntityReference createEntityReference(String name)
throws DOMException {
if (errorChecking && !isXMLName(name,xml11Version)) {
String msg = DOMMessageFormatter.formatMessage(DOMMessageFormatter.DOM_DOMAIN, "INVALID_CHARACTER_ERR", null);
throw new DOMException(DOMException.INVALID_CHARACTER_ERR, msg);
}
return new EntityReferenceImpl(this, name);
}
@Test
public void testEntityReference() {
try {
Document xmlDocument = createNewDocument();
EntityReference erefNode = xmlDocument.createEntityReference("entityref");
String outerXML = getOuterXML(erefNode);
System.out.println("OuterXML of Comment Node is:" + outerXML);
} catch (Exception e) {
e.printStackTrace();
Assert.fail("Exception occured: " + e.getMessage());
}
}
public void print(Node node) throws XMLStreamException {
switch (node.getNodeType()) {
case Node.DOCUMENT_NODE:
visitDocument((Document) node);
break;
case Node.DOCUMENT_FRAGMENT_NODE:
visitDocumentFragment((DocumentFragment) node);
break;
case Node.ELEMENT_NODE:
visitElement((Element) node);
break;
case Node.TEXT_NODE:
visitText((Text) node);
break;
case Node.CDATA_SECTION_NODE:
visitCDATASection((CDATASection) node);
break;
case Node.PROCESSING_INSTRUCTION_NODE:
visitProcessingInstruction((ProcessingInstruction) node);
break;
case Node.ENTITY_REFERENCE_NODE:
visitReference((EntityReference) node);
break;
case Node.COMMENT_NODE:
visitComment((Comment) node);
break;
case Node.DOCUMENT_TYPE_NODE:
break;
case Node.ATTRIBUTE_NODE:
case Node.ENTITY_NODE:
default:
throw new XMLStreamException("Unexpected DOM Node Type "
+ node.getNodeType()
);
}
}
public static String getTextForNode(Node node) {
StringBuilder sb = new StringBuilder();
NodeList children = node.getChildNodes();
if (children.getLength() == 0)
return null;
for (int i = 0; i < children.getLength(); ++i) {
Node n = children.item(i);
if (n instanceof Text)
sb.append(n.getNodeValue());
else if (n instanceof EntityReference) {
String s = getTextForNode(n);
if (s == null)
return null;
else
sb.append(s);
} else
return null;
}
return sb.toString();
}
/**
* End processing of given node
*
*
* @param node Node we just finished processing
*
* @throws org.xml.sax.SAXException
*/
protected void endNode(Node node) throws org.xml.sax.SAXException {
switch (node.getNodeType()) {
case Node.DOCUMENT_NODE :
break;
case Node.DOCUMENT_TYPE_NODE :
serializeDocType((DocumentType) node, false);
break;
case Node.ELEMENT_NODE :
serializeElement((Element) node, false);
break;
case Node.CDATA_SECTION_NODE :
break;
case Node.ENTITY_REFERENCE_NODE :
serializeEntityReference((EntityReference) node, false);
break;
default :
}
}
public void print(Node node) throws XMLStreamException {
switch (node.getNodeType()) {
case Node.DOCUMENT_NODE:
visitDocument((Document) node);
break;
case Node.DOCUMENT_FRAGMENT_NODE:
visitDocumentFragment((DocumentFragment) node);
break;
case Node.ELEMENT_NODE:
visitElement((Element) node);
break;
case Node.TEXT_NODE:
visitText((Text) node);
break;
case Node.CDATA_SECTION_NODE:
visitCDATASection((CDATASection) node);
break;
case Node.PROCESSING_INSTRUCTION_NODE:
visitProcessingInstruction((ProcessingInstruction) node);
break;
case Node.ENTITY_REFERENCE_NODE:
visitReference((EntityReference) node);
break;
case Node.COMMENT_NODE:
visitComment((Comment) node);
break;
case Node.DOCUMENT_TYPE_NODE:
break;
case Node.ATTRIBUTE_NODE:
case Node.ENTITY_NODE:
default:
throw new XMLStreamException("Unexpected DOM Node Type "
+ node.getNodeType()
);
}
}
public static String getTextForNode(Node node) {
StringBuilder sb = new StringBuilder();
NodeList children = node.getChildNodes();
if (children.getLength() == 0)
return null;
for (int i = 0; i < children.getLength(); ++i) {
Node n = children.item(i);
if (n instanceof Text)
sb.append(n.getNodeValue());
else if (n instanceof EntityReference) {
String s = getTextForNode(n);
if (s == null)
return null;
else
sb.append(s);
} else
return null;
}
return sb.toString();
}
/**
* Factory method; creates an EntityReference having this Document
* as its OwnerDoc.
*
* @param name The name of the Entity we wish to refer to
*
* @throws DOMException(NOT_SUPPORTED_ERR) for HTML documents, where
* nonstandard entities are not permitted. (HTML not yet
* implemented.)
*/
public EntityReference createEntityReference(String name)
throws DOMException {
if (errorChecking && !isXMLName(name,xml11Version)) {
String msg = DOMMessageFormatter.formatMessage(DOMMessageFormatter.DOM_DOMAIN, "INVALID_CHARACTER_ERR", null);
throw new DOMException(DOMException.INVALID_CHARACTER_ERR, msg);
}
return new EntityReferenceImpl(this, name);
}
/**
* Factory method; creates an EntityReference having this Document
* as its OwnerDoc.
*
* @param name The name of the Entity we wish to refer to
*
* @throws DOMException(NOT_SUPPORTED_ERR) for HTML documents, where
* nonstandard entities are not permitted. (HTML not yet
* implemented.)
*/
public EntityReference createEntityReference(String name)
throws DOMException {
if (errorChecking && !isXMLName(name,xml11Version)) {
String msg = DOMMessageFormatter.formatMessage(DOMMessageFormatter.DOM_DOMAIN, "INVALID_CHARACTER_ERR", null);
throw new DOMException(DOMException.INVALID_CHARACTER_ERR, msg);
}
return new EntityReferenceImpl(this, name);
}
public void print(Node node) throws XMLStreamException {
switch (node.getNodeType()) {
case Node.DOCUMENT_NODE:
visitDocument((Document) node);
break;
case Node.DOCUMENT_FRAGMENT_NODE:
visitDocumentFragment((DocumentFragment) node);
break;
case Node.ELEMENT_NODE:
visitElement((Element) node);
break;
case Node.TEXT_NODE:
visitText((Text) node);
break;
case Node.CDATA_SECTION_NODE:
visitCDATASection((CDATASection) node);
break;
case Node.PROCESSING_INSTRUCTION_NODE:
visitProcessingInstruction((ProcessingInstruction) node);
break;
case Node.ENTITY_REFERENCE_NODE:
visitReference((EntityReference) node);
break;
case Node.COMMENT_NODE:
visitComment((Comment) node);
break;
case Node.DOCUMENT_TYPE_NODE:
break;
case Node.ATTRIBUTE_NODE:
case Node.ENTITY_NODE:
default:
throw new XMLStreamException("Unexpected DOM Node Type "
+ node.getNodeType()
);
}
}
/**
* End processing of given node
*
*
* @param node Node we just finished processing
*
* @throws org.xml.sax.SAXException
*/
protected void endNode(Node node) throws org.xml.sax.SAXException
{
switch (node.getNodeType())
{
case Node.DOCUMENT_NODE :
break;
case Node.ELEMENT_NODE :
String ns = m_dh.getNamespaceOfNode(node);
if(null == ns)
ns = "";
this.m_contentHandler.endElement(ns,
m_dh.getLocalNameOfNode(node),
node.getNodeName());
NamedNodeMap atts = ((Element) node).getAttributes();
int nAttrs = atts.getLength();
for (int i = 0; i < nAttrs; i++)
{
Node attr = atts.item(i);
String attrName = attr.getNodeName();
if (attrName.equals("xmlns") || attrName.startsWith("xmlns:"))
{
int index;
// Use "" instead of null, as Xerces likes "" for the
// name of the default namespace. Fix attributed
// to "Steven Murray" <[email protected]>.
String prefix = (index = attrName.indexOf(":")) < 0
? "" : attrName.substring(index + 1);
this.m_contentHandler.endPrefixMapping(prefix);
}
}
break;
case Node.CDATA_SECTION_NODE :
break;
case Node.ENTITY_REFERENCE_NODE :
{
EntityReference eref = (EntityReference) node;
if (m_contentHandler instanceof LexicalHandler)
{
LexicalHandler lh = ((LexicalHandler) this.m_contentHandler);
lh.endEntity(eref.getNodeName());
}
}
break;
default :
}
}
protected void visitReference(EntityReference entityReference)
throws XMLStreamException {
visitChildren(entityReference);
}