下面列出了org.w3c.dom.traversal.NodeFilter#SHOW_TEXT 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。
/**
* Given a {@link Node}, return the appropriate constant for whatToShow.
*
* @param node the node
* @return the whatToShow constant for the type of specified node
*/
static int getFlagForNode(final Node node) {
switch (node.getNodeType()) {
case Node.ELEMENT_NODE:
return NodeFilter.SHOW_ELEMENT;
case Node.ATTRIBUTE_NODE:
return NodeFilter.SHOW_ATTRIBUTE;
case Node.TEXT_NODE:
return NodeFilter.SHOW_TEXT;
case Node.CDATA_SECTION_NODE:
return NodeFilter.SHOW_CDATA_SECTION;
case Node.ENTITY_REFERENCE_NODE:
return NodeFilter.SHOW_ENTITY_REFERENCE;
case Node.ENTITY_NODE:
return NodeFilter.SHOW_ENTITY;
case Node.PROCESSING_INSTRUCTION_NODE:
return NodeFilter.SHOW_PROCESSING_INSTRUCTION;
case Node.COMMENT_NODE:
return NodeFilter.SHOW_COMMENT;
case Node.DOCUMENT_NODE:
return NodeFilter.SHOW_DOCUMENT;
case Node.DOCUMENT_TYPE_NODE:
return NodeFilter.SHOW_DOCUMENT_TYPE;
case Node.DOCUMENT_FRAGMENT_NODE:
return NodeFilter.SHOW_DOCUMENT_FRAGMENT;
case Node.NOTATION_NODE:
return NodeFilter.SHOW_NOTATION;
default:
return 0;
}
}
/**
* Given a {@link Node}, return the appropriate constant for whatToShow.
*
* @param node the node
* @return the whatToShow constant for the type of specified node
*/
static int getFlagForNode(final Node node) {
switch (node.getNodeType()) {
case Node.ELEMENT_NODE:
return NodeFilter.SHOW_ELEMENT;
case Node.ATTRIBUTE_NODE:
return NodeFilter.SHOW_ATTRIBUTE;
case Node.TEXT_NODE:
return NodeFilter.SHOW_TEXT;
case Node.CDATA_SECTION_NODE:
return NodeFilter.SHOW_CDATA_SECTION;
case Node.ENTITY_REFERENCE_NODE:
return NodeFilter.SHOW_ENTITY_REFERENCE;
case Node.ENTITY_NODE:
return NodeFilter.SHOW_ENTITY;
case Node.PROCESSING_INSTRUCTION_NODE:
return NodeFilter.SHOW_PROCESSING_INSTRUCTION;
case Node.COMMENT_NODE:
return NodeFilter.SHOW_COMMENT;
case Node.DOCUMENT_NODE:
return NodeFilter.SHOW_DOCUMENT;
case Node.DOCUMENT_TYPE_NODE:
return NodeFilter.SHOW_DOCUMENT_TYPE;
case Node.DOCUMENT_FRAGMENT_NODE:
return NodeFilter.SHOW_DOCUMENT_FRAGMENT;
case Node.NOTATION_NODE:
return NodeFilter.SHOW_NOTATION;
default:
return 0;
}
}
protected void setCharacterData (boolean sawChars){
// handle character data
fFirstChunk = sawChars;
// if we have data in the buffer we must have created
// a text node already.
Node child = fCurrentNode.getLastChild ();
if (child != null) {
if (fStringBuilder.length () > 0) {
// REVISIT: should this check be performed?
if (child.getNodeType () == Node.TEXT_NODE) {
if (fDocumentImpl != null) {
((TextImpl)child).replaceData (fStringBuilder.toString ());
}
else {
((Text)child).setData (fStringBuilder.toString ());
}
}
// reset string buffer
fStringBuilder.setLength (0);
}
if (fDOMFilter !=null && !fInEntityRef) {
if ( (child.getNodeType () == Node.TEXT_NODE ) &&
((fDOMFilter.getWhatToShow () & NodeFilter.SHOW_TEXT)!= 0) ) {
short code = fDOMFilter.acceptNode (child);
switch (code) {
case LSParserFilter.FILTER_INTERRUPT:{
throw Abort.INSTANCE;
}
case LSParserFilter.FILTER_REJECT:{
// fall through to SKIP since Comment has no children.
}
case LSParserFilter.FILTER_SKIP: {
fCurrentNode.removeChild (child);
return;
}
default: {
// accept node -- do nothing
}
}
}
} // end-if fDOMFilter !=null
} // end-if child !=null
}
protected void setCharacterData (boolean sawChars){
// handle character data
fFirstChunk = sawChars;
// if we have data in the buffer we must have created
// a text node already.
Node child = fCurrentNode.getLastChild ();
if (child != null) {
if (fStringBuilder.length () > 0) {
// REVISIT: should this check be performed?
if (child.getNodeType () == Node.TEXT_NODE) {
if (fDocumentImpl != null) {
((TextImpl)child).replaceData (fStringBuilder.toString ());
}
else {
((Text)child).setData (fStringBuilder.toString ());
}
}
// reset string buffer
fStringBuilder.setLength (0);
}
if (fDOMFilter !=null && !fInEntityRef) {
if ( (child.getNodeType () == Node.TEXT_NODE ) &&
((fDOMFilter.getWhatToShow () & NodeFilter.SHOW_TEXT)!= 0) ) {
short code = fDOMFilter.acceptNode (child);
switch (code) {
case LSParserFilter.FILTER_INTERRUPT:{
throw Abort.INSTANCE;
}
case LSParserFilter.FILTER_REJECT:{
// fall through to SKIP since Comment has no children.
}
case LSParserFilter.FILTER_SKIP: {
fCurrentNode.removeChild (child);
return;
}
default: {
// accept node -- do nothing
}
}
}
} // end-if fDOMFilter !=null
} // end-if child !=null
}
protected void setCharacterData (boolean sawChars){
// handle character data
fFirstChunk = sawChars;
// if we have data in the buffer we must have created
// a text node already.
Node child = fCurrentNode.getLastChild ();
if (child != null) {
if (fStringBuilder.length () > 0) {
// REVISIT: should this check be performed?
if (child.getNodeType () == Node.TEXT_NODE) {
if (fDocumentImpl != null) {
((TextImpl)child).replaceData (fStringBuilder.toString ());
}
else {
((Text)child).setData (fStringBuilder.toString ());
}
}
// reset string buffer
fStringBuilder.setLength (0);
}
if (fDOMFilter !=null && !fInEntityRef) {
if ( (child.getNodeType () == Node.TEXT_NODE ) &&
((fDOMFilter.getWhatToShow () & NodeFilter.SHOW_TEXT)!= 0) ) {
short code = fDOMFilter.acceptNode (child);
switch (code) {
case LSParserFilter.FILTER_INTERRUPT:{
throw Abort.INSTANCE;
}
case LSParserFilter.FILTER_REJECT:{
// fall through to SKIP since Comment has no children.
}
case LSParserFilter.FILTER_SKIP: {
fCurrentNode.removeChild (child);
return;
}
default: {
// accept node -- do nothing
}
}
}
} // end-if fDOMFilter !=null
} // end-if child !=null
}
protected void setCharacterData (boolean sawChars){
// handle character data
fFirstChunk = sawChars;
// if we have data in the buffer we must have created
// a text node already.
Node child = fCurrentNode.getLastChild ();
if (child != null) {
if (fStringBuilder.length () > 0) {
// REVISIT: should this check be performed?
if (child.getNodeType () == Node.TEXT_NODE) {
if (fDocumentImpl != null) {
((TextImpl)child).replaceData (fStringBuilder.toString ());
}
else {
((Text)child).setData (fStringBuilder.toString ());
}
}
// reset string buffer
fStringBuilder.setLength (0);
}
if (fDOMFilter !=null && !fInEntityRef) {
if ( (child.getNodeType () == Node.TEXT_NODE ) &&
((fDOMFilter.getWhatToShow () & NodeFilter.SHOW_TEXT)!= 0) ) {
short code = fDOMFilter.acceptNode (child);
switch (code) {
case LSParserFilter.FILTER_INTERRUPT:{
throw Abort.INSTANCE;
}
case LSParserFilter.FILTER_REJECT:{
// fall through to SKIP since Comment has no children.
}
case LSParserFilter.FILTER_SKIP: {
fCurrentNode.removeChild (child);
return;
}
default: {
// accept node -- do nothing
}
}
}
} // end-if fDOMFilter !=null
} // end-if child !=null
}
protected void setCharacterData (boolean sawChars){
// handle character data
fFirstChunk = sawChars;
// if we have data in the buffer we must have created
// a text node already.
Node child = fCurrentNode.getLastChild ();
if (child != null) {
if (fStringBuilder.length () > 0) {
// REVISIT: should this check be performed?
if (child.getNodeType () == Node.TEXT_NODE) {
if (fDocumentImpl != null) {
((TextImpl)child).replaceData (fStringBuilder.toString ());
}
else {
((Text)child).setData (fStringBuilder.toString ());
}
}
// reset string buffer
fStringBuilder.setLength (0);
}
if (fDOMFilter !=null && !fInEntityRef) {
if ( (child.getNodeType () == Node.TEXT_NODE ) &&
((fDOMFilter.getWhatToShow () & NodeFilter.SHOW_TEXT)!= 0) ) {
short code = fDOMFilter.acceptNode (child);
switch (code) {
case LSParserFilter.FILTER_INTERRUPT:{
throw Abort.INSTANCE;
}
case LSParserFilter.FILTER_REJECT:{
// fall through to SKIP since Comment has no children.
}
case LSParserFilter.FILTER_SKIP: {
fCurrentNode.removeChild (child);
return;
}
default: {
// accept node -- do nothing
}
}
}
} // end-if fDOMFilter !=null
} // end-if child !=null
}
protected void setCharacterData (boolean sawChars){
// handle character data
fFirstChunk = sawChars;
// if we have data in the buffer we must have created
// a text node already.
Node child = fCurrentNode.getLastChild ();
if (child != null) {
if (fStringBuilder.length () > 0) {
// REVISIT: should this check be performed?
if (child.getNodeType () == Node.TEXT_NODE) {
if (fDocumentImpl != null) {
((TextImpl)child).replaceData (fStringBuilder.toString ());
}
else {
((Text)child).setData (fStringBuilder.toString ());
}
}
// reset string buffer
fStringBuilder.setLength (0);
}
if (fDOMFilter !=null && !fInEntityRef) {
if ( (child.getNodeType () == Node.TEXT_NODE ) &&
((fDOMFilter.getWhatToShow () & NodeFilter.SHOW_TEXT)!= 0) ) {
short code = fDOMFilter.acceptNode (child);
switch (code) {
case LSParserFilter.FILTER_INTERRUPT:{
throw Abort.INSTANCE;
}
case LSParserFilter.FILTER_REJECT:{
// fall through to SKIP since Comment has no children.
}
case LSParserFilter.FILTER_SKIP: {
fCurrentNode.removeChild (child);
return;
}
default: {
// accept node -- do nothing
}
}
}
} // end-if fDOMFilter !=null
} // end-if child !=null
}
@SuppressWarnings("fallthrough") // by design at case LSParserFilter.FILTER_REJECT
protected void setCharacterData (boolean sawChars){
// handle character data
fFirstChunk = sawChars;
// if we have data in the buffer we must have created
// a text node already.
Node child = fCurrentNode.getLastChild ();
if (child != null) {
if (fStringBuilder.length () > 0) {
// REVISIT: should this check be performed?
if (child.getNodeType () == Node.TEXT_NODE) {
if (fDocumentImpl != null) {
((TextImpl)child).replaceData (fStringBuilder.toString ());
}
else {
((Text)child).setData (fStringBuilder.toString ());
}
}
// reset string buffer
fStringBuilder.setLength (0);
}
if (fDOMFilter !=null && !fInEntityRef) {
if ( (child.getNodeType () == Node.TEXT_NODE ) &&
((fDOMFilter.getWhatToShow () & NodeFilter.SHOW_TEXT)!= 0) ) {
short code = fDOMFilter.acceptNode (child);
switch (code) {
case LSParserFilter.FILTER_INTERRUPT:{
throw Abort.INSTANCE;
}
case LSParserFilter.FILTER_REJECT:{
// fall through to SKIP since Comment has no children.
}
case LSParserFilter.FILTER_SKIP: {
fCurrentNode.removeChild (child);
return;
}
default: {
// accept node -- do nothing
}
}
}
} // end-if fDOMFilter !=null
} // end-if child !=null
}
protected void setCharacterData (boolean sawChars){
// handle character data
fFirstChunk = sawChars;
// if we have data in the buffer we must have created
// a text node already.
Node child = fCurrentNode.getLastChild ();
if (child != null) {
if (fStringBuilder.length () > 0) {
// REVISIT: should this check be performed?
if (child.getNodeType () == Node.TEXT_NODE) {
if (fDocumentImpl != null) {
((TextImpl)child).replaceData (fStringBuilder.toString ());
}
else {
((Text)child).setData (fStringBuilder.toString ());
}
}
// reset string buffer
fStringBuilder.setLength (0);
}
if (fDOMFilter !=null && !fInEntityRef) {
if ( (child.getNodeType () == Node.TEXT_NODE ) &&
((fDOMFilter.getWhatToShow () & NodeFilter.SHOW_TEXT)!= 0) ) {
short code = fDOMFilter.acceptNode (child);
switch (code) {
case LSParserFilter.FILTER_INTERRUPT:{
throw Abort.INSTANCE;
}
case LSParserFilter.FILTER_REJECT:{
// fall through to SKIP since Comment has no children.
}
case LSParserFilter.FILTER_SKIP: {
fCurrentNode.removeChild (child);
return;
}
default: {
// accept node -- do nothing
}
}
}
} // end-if fDOMFilter !=null
} // end-if child !=null
}
protected void setCharacterData (boolean sawChars){
// handle character data
fFirstChunk = sawChars;
// if we have data in the buffer we must have created
// a text node already.
Node child = fCurrentNode.getLastChild ();
if (child != null) {
if (fStringBuilder.length () > 0) {
// REVISIT: should this check be performed?
if (child.getNodeType () == Node.TEXT_NODE) {
if (fDocumentImpl != null) {
((TextImpl)child).replaceData (fStringBuilder.toString ());
}
else {
((Text)child).setData (fStringBuilder.toString ());
}
}
// reset string buffer
fStringBuilder.setLength (0);
}
if (fDOMFilter !=null && !fInEntityRef) {
if ( (child.getNodeType () == Node.TEXT_NODE ) &&
((fDOMFilter.getWhatToShow () & NodeFilter.SHOW_TEXT)!= 0) ) {
short code = fDOMFilter.acceptNode (child);
switch (code) {
case LSParserFilter.FILTER_INTERRUPT:{
throw Abort.INSTANCE;
}
case LSParserFilter.FILTER_REJECT:{
// fall through to SKIP since Comment has no children.
}
case LSParserFilter.FILTER_SKIP: {
fCurrentNode.removeChild (child);
return;
}
default: {
// accept node -- do nothing
}
}
}
} // end-if fDOMFilter !=null
} // end-if child !=null
}
protected void setCharacterData (boolean sawChars){
// handle character data
fFirstChunk = sawChars;
// if we have data in the buffer we must have created
// a text node already.
Node child = fCurrentNode.getLastChild ();
if (child != null) {
if (fStringBuilder.length () > 0) {
// REVISIT: should this check be performed?
if (child.getNodeType () == Node.TEXT_NODE) {
if (fDocumentImpl != null) {
((TextImpl)child).replaceData (fStringBuilder.toString ());
}
else {
((Text)child).setData (fStringBuilder.toString ());
}
}
// reset string buffer
fStringBuilder.setLength (0);
}
if (fDOMFilter !=null && !fInEntityRef) {
if ( (child.getNodeType () == Node.TEXT_NODE ) &&
((fDOMFilter.getWhatToShow () & NodeFilter.SHOW_TEXT)!= 0) ) {
short code = fDOMFilter.acceptNode (child);
switch (code) {
case LSParserFilter.FILTER_INTERRUPT:{
throw Abort.INSTANCE;
}
case LSParserFilter.FILTER_REJECT:{
// fall through to SKIP since Comment has no children.
}
case LSParserFilter.FILTER_SKIP: {
fCurrentNode.removeChild (child);
return;
}
default: {
// accept node -- do nothing
}
}
}
} // end-if fDOMFilter !=null
} // end-if child !=null
}
protected void setCharacterData (boolean sawChars){
// handle character data
fFirstChunk = sawChars;
// if we have data in the buffer we must have created
// a text node already.
Node child = fCurrentNode.getLastChild ();
if (child != null) {
if (fStringBuilder.length () > 0) {
// REVISIT: should this check be performed?
if (child.getNodeType () == Node.TEXT_NODE) {
if (fDocumentImpl != null) {
((TextImpl)child).replaceData (fStringBuilder.toString ());
}
else {
((Text)child).setData (fStringBuilder.toString ());
}
}
// reset string buffer
fStringBuilder.setLength (0);
}
if (fDOMFilter !=null && !fInEntityRef) {
if ( (child.getNodeType () == Node.TEXT_NODE ) &&
((fDOMFilter.getWhatToShow () & NodeFilter.SHOW_TEXT)!= 0) ) {
short code = fDOMFilter.acceptNode (child);
switch (code) {
case LSParserFilter.FILTER_INTERRUPT:{
throw Abort.INSTANCE;
}
case LSParserFilter.FILTER_REJECT:{
// fall through to SKIP since Comment has no children.
}
case LSParserFilter.FILTER_SKIP: {
fCurrentNode.removeChild (child);
return;
}
default: {
// accept node -- do nothing
}
}
}
} // end-if fDOMFilter !=null
} // end-if child !=null
}