下面列出了javax.servlet.jsp.tagext.TagLibraryInfo#getTagFile ( ) 实例代码，或者点击链接到github查看源代码，也可以在右侧发表评论。
private FileObject getTagFile(TokenSequence<?> tokenSequence, JspSyntaxSupport jspSup) {
Token token = tokenSequence.token();
if (token.id() == JspTokenId.TAG) {
String image = token.text().toString().trim();
if (image.startsWith("<")) { // NOI18N
image = image.substring(1).trim();
}
if (!image.startsWith("jsp:") && image.indexOf(':') != -1) { // NOI18N
List l = jspSup.getTags(image);
if (l.size() == 1) {
TagLibraryInfo libInfo = ((TagInfo) l.get(0)).getTagLibrary();
if (libInfo != null) {
TagFileInfo fileInfo = libInfo.getTagFile(getTagName(image));
if (fileInfo != null) {
return JspUtils.getFileObject(jspSup.getDocument(),
fileInfo.getPath());
}
}
}
}
}
return null;
}
private Node parseCustomAction(
String qName,
String localName,
String uri,
Attributes nonTaglibAttrs,
Attributes nonTaglibXmlnsAttrs,
Attributes taglibAttrs,
Mark start,
Node parent)
throws SAXException {
// Check if this is a user-defined (custom) tag
TagLibraryInfo tagLibInfo = pageInfo.getTaglib(uri);
if (tagLibInfo == null) {
return null;
}
TagInfo tagInfo = tagLibInfo.getTag(localName);
TagFileInfo tagFileInfo = tagLibInfo.getTagFile(localName);
if (tagInfo == null && tagFileInfo == null) {
throw new SAXParseException(
Localizer.getMessage("jsp.error.xml.bad_tag", localName, uri),
locator);
}
Class<?> tagHandlerClass = null;
if (tagInfo != null) {
String handlerClassName = tagInfo.getTagClassName();
try {
tagHandlerClass =
ctxt.getClassLoader().loadClass(handlerClassName);
} catch (Exception e) {
throw new SAXParseException(
Localizer.getMessage("jsp.error.loadclass.taghandler",
handlerClassName,
qName),
locator, e);
}
}
String prefix = getPrefix(qName);
Node.CustomTag ret = null;
if (tagInfo != null) {
ret =
new Node.CustomTag(
qName,
prefix,
localName,
uri,
nonTaglibAttrs,
nonTaglibXmlnsAttrs,
taglibAttrs,
start,
parent,
tagInfo,
tagHandlerClass);
} else {
ret =
new Node.CustomTag(
qName,
prefix,
localName,
uri,
nonTaglibAttrs,
nonTaglibXmlnsAttrs,
taglibAttrs,
start,
parent,
tagFileInfo);
}
return ret;
}
private Node parseCustomAction(
String qName,
String localName,
String uri,
Attributes nonTaglibAttrs,
Attributes nonTaglibXmlnsAttrs,
Attributes taglibAttrs,
Mark start,
Node parent)
throws SAXException {
// Check if this is a user-defined (custom) tag
TagLibraryInfo tagLibInfo = pageInfo.getTaglib(uri);
if (tagLibInfo == null) {
return null;
}
TagInfo tagInfo = tagLibInfo.getTag(localName);
TagFileInfo tagFileInfo = tagLibInfo.getTagFile(localName);
if (tagInfo == null && tagFileInfo == null) {
throw new SAXParseException(
Localizer.getMessage("jsp.error.xml.bad_tag", localName, uri),
locator);
}
Class<?> tagHandlerClass = null;
if (tagInfo != null) {
String handlerClassName = tagInfo.getTagClassName();
try {
tagHandlerClass =
ctxt.getClassLoader().loadClass(handlerClassName);
} catch (Exception e) {
throw new SAXParseException(
Localizer.getMessage("jsp.error.loadclass.taghandler",
handlerClassName,
qName),
locator, e);
}
}
String prefix = getPrefix(qName);
Node.CustomTag ret = null;
if (tagInfo != null) {
ret =
new Node.CustomTag(
qName,
prefix,
localName,
uri,
nonTaglibAttrs,
nonTaglibXmlnsAttrs,
taglibAttrs,
start,
parent,
tagInfo,
tagHandlerClass);
} else {
ret =
new Node.CustomTag(
qName,
prefix,
localName,
uri,
nonTaglibAttrs,
nonTaglibXmlnsAttrs,
taglibAttrs,
start,
parent,
tagFileInfo);
}
return ret;
}
private boolean parseCustomTag(Node parent) throws JasperException {
if (reader.peekChar() != '<') {
return false;
}
// Parse 'CustomAction' production (tag prefix and custom action name)
reader.nextChar(); // skip '<'
String tagName = reader.parseToken(false);
int i = tagName.indexOf(':');
if (i == -1) {
reader.reset(start);
return false;
}
String prefix = tagName.substring(0, i);
String shortTagName = tagName.substring(i + 1);
// Check if this is a user-defined tag.
String uri = pageInfo.getURI(prefix);
if (uri == null) {
if (pageInfo.isErrorOnUndeclaredNamespace()) {
err.jspError(start, "jsp.error.undeclared_namespace", prefix);
} else {
reader.reset(start);
// Remember the prefix for later error checking
pageInfo.putNonCustomTagPrefix(prefix, reader.mark());
return false;
}
}
TagLibraryInfo tagLibInfo = pageInfo.getTaglib(uri);
TagInfo tagInfo = tagLibInfo.getTag(shortTagName);
TagFileInfo tagFileInfo = tagLibInfo.getTagFile(shortTagName);
if (tagInfo == null && tagFileInfo == null) {
err.jspError(start, "jsp.error.bad_tag", shortTagName, prefix);
}
Class<?> tagHandlerClass = null;
if (tagInfo != null) {
// Must be a classic tag, load it here.
// tag files will be loaded later, in TagFileProcessor
String handlerClassName = tagInfo.getTagClassName();
try {
tagHandlerClass = ctxt.getClassLoader().loadClass(
handlerClassName);
} catch (Exception e) {
err.jspError(start, "jsp.error.loadclass.taghandler",
handlerClassName, tagName);
}
}
// Parse 'CustomActionBody' production:
// At this point we are committed - if anything fails, we produce
// a translation error.
// Parse 'Attributes' production:
Attributes attrs = parseAttributes();
reader.skipSpaces();
// Parse 'CustomActionEnd' production:
if (reader.matches("/>")) {
if (tagInfo != null) {
new Node.CustomTag(tagName, prefix, shortTagName, uri, attrs,
start, parent, tagInfo, tagHandlerClass);
} else {
new Node.CustomTag(tagName, prefix, shortTagName, uri, attrs,
start, parent, tagFileInfo);
}
return true;
}
// Now we parse one of 'CustomActionTagDependent',
// 'CustomActionJSPContent', or 'CustomActionScriptlessContent'.
// depending on body-content in TLD.
// Looking for a body, it still can be empty; but if there is a
// a tag body, its syntax would be dependent on the type of
// body content declared in the TLD.
String bc;
if (tagInfo != null) {
bc = tagInfo.getBodyContent();
} else {
bc = tagFileInfo.getTagInfo().getBodyContent();
}
Node tagNode = null;
if (tagInfo != null) {
tagNode = new Node.CustomTag(tagName, prefix, shortTagName, uri,
attrs, start, parent, tagInfo, tagHandlerClass);
} else {
tagNode = new Node.CustomTag(tagName, prefix, shortTagName, uri,
attrs, start, parent, tagFileInfo);
}
parseOptionalBody(tagNode, tagName, bc);
return true;
}
private Node parseCustomAction(
String qName,
String localName,
String uri,
Attributes nonTaglibAttrs,
Attributes nonTaglibXmlnsAttrs,
Attributes taglibAttrs,
Mark start,
Node parent)
throws SAXException {
// Check if this is a user-defined (custom) tag
TagLibraryInfo tagLibInfo = pageInfo.getTaglib(uri);
if (tagLibInfo == null) {
return null;
}
TagInfo tagInfo = tagLibInfo.getTag(localName);
TagFileInfo tagFileInfo = tagLibInfo.getTagFile(localName);
if (tagInfo == null && tagFileInfo == null) {
throw new SAXParseException(
Localizer.getMessage("jsp.error.xml.bad_tag", localName, uri),
locator);
}
Class<?> tagHandlerClass = null;
if (tagInfo != null) {
String handlerClassName = tagInfo.getTagClassName();
try {
tagHandlerClass =
ctxt.getClassLoader().loadClass(handlerClassName);
} catch (Exception e) {
throw new SAXParseException(
Localizer.getMessage("jsp.error.loadclass.taghandler",
handlerClassName,
qName),
locator, e);
}
}
String prefix = getPrefix(qName);
Node.CustomTag ret = null;
if (tagInfo != null) {
ret =
new Node.CustomTag(
qName,
prefix,
localName,
uri,
nonTaglibAttrs,
nonTaglibXmlnsAttrs,
taglibAttrs,
start,
parent,
tagInfo,
tagHandlerClass);
} else {
ret =
new Node.CustomTag(
qName,
prefix,
localName,
uri,
nonTaglibAttrs,
nonTaglibXmlnsAttrs,
taglibAttrs,
start,
parent,
tagFileInfo);
}
return ret;
}
private boolean parseCustomTag(Node parent) throws JasperException {
if (reader.peekChar() != '<') {
return false;
}
// Parse 'CustomAction' production (tag prefix and custom action name)
reader.nextChar(); // skip '<'
String tagName = reader.parseToken(false);
int i = tagName.indexOf(':');
if (i == -1) {
reader.reset(start);
return false;
}
String prefix = tagName.substring(0, i);
String shortTagName = tagName.substring(i + 1);
// Check if this is a user-defined tag.
String uri = pageInfo.getURI(prefix);
if (uri == null) {
if (pageInfo.isErrorOnUndeclaredNamespace()) {
err.jspError(start, "jsp.error.undeclared_namespace", prefix);
} else {
reader.reset(start);
// Remember the prefix for later error checking
pageInfo.putNonCustomTagPrefix(prefix, reader.mark());
return false;
}
}
TagLibraryInfo tagLibInfo = pageInfo.getTaglib(uri);
TagInfo tagInfo = tagLibInfo.getTag(shortTagName);
TagFileInfo tagFileInfo = tagLibInfo.getTagFile(shortTagName);
if (tagInfo == null && tagFileInfo == null) {
err.jspError(start, "jsp.error.bad_tag", shortTagName, prefix);
}
Class<?> tagHandlerClass = null;
if (tagInfo != null) {
// Must be a classic tag, load it here.
// tag files will be loaded later, in TagFileProcessor
String handlerClassName = tagInfo.getTagClassName();
try {
tagHandlerClass = ctxt.getClassLoader().loadClass(
handlerClassName);
} catch (Exception e) {
err.jspError(start, "jsp.error.loadclass.taghandler",
handlerClassName, tagName);
}
}
// Parse 'CustomActionBody' production:
// At this point we are committed - if anything fails, we produce
// a translation error.
// Parse 'Attributes' production:
Attributes attrs = parseAttributes();
reader.skipSpaces();
// Parse 'CustomActionEnd' production:
if (reader.matches("/>")) {
if (tagInfo != null) {
new Node.CustomTag(tagName, prefix, shortTagName, uri, attrs,
start, parent, tagInfo, tagHandlerClass);
} else {
new Node.CustomTag(tagName, prefix, shortTagName, uri, attrs,
start, parent, tagFileInfo);
}
return true;
}
// Now we parse one of 'CustomActionTagDependent',
// 'CustomActionJSPContent', or 'CustomActionScriptlessContent'.
// depending on body-content in TLD.
// Looking for a body, it still can be empty; but if there is a
// a tag body, its syntax would be dependent on the type of
// body content declared in the TLD.
String bc;
if (tagInfo != null) {
bc = tagInfo.getBodyContent();
} else {
bc = tagFileInfo.getTagInfo().getBodyContent();
}
Node tagNode = null;
if (tagInfo != null) {
tagNode = new Node.CustomTag(tagName, prefix, shortTagName, uri,
attrs, start, parent, tagInfo, tagHandlerClass);
} else {
tagNode = new Node.CustomTag(tagName, prefix, shortTagName, uri,
attrs, start, parent, tagFileInfo);
}
parseOptionalBody(tagNode, tagName, bc);
return true;
}
private Node parseCustomAction(
String qName,
String localName,
String uri,
Attributes nonTaglibAttrs,
Attributes nonTaglibXmlnsAttrs,
Attributes taglibAttrs,
Mark start,
Node parent)
throws SAXException {
if (uri.startsWith(TagConstants.URN_JSPTLD)) {
uri = uri.substring(TagConstants.URN_JSPTLD.length());
}
// Check if this is a user-defined (custom) tag
TagLibraryInfo tagLibInfo = pageInfo.getTaglib(uri);
if (tagLibInfo == null) {
return null;
}
TagInfo tagInfo = tagLibInfo.getTag(localName);
TagFileInfo tagFileInfo = tagLibInfo.getTagFile(localName);
if (tagInfo == null && tagFileInfo == null) {
throw new SAXException(
Localizer.getMessage("jsp.error.xml.bad_tag", localName, uri));
}
Class tagHandlerClass = null;
if (tagInfo != null) {
String handlerClassName = tagInfo.getTagClassName();
try {
tagHandlerClass =
ctxt.getClassLoader().loadClass(handlerClassName);
} catch (Exception e) {
throw new SAXException(
Localizer.getMessage("jsp.error.loadclass.taghandler",
handlerClassName,
qName),
e);
}
}
String prefix = "";
int colon = qName.indexOf(':');
if (colon != -1) {
prefix = qName.substring(0, colon);
}
Node.CustomTag ret = null;
if (tagInfo != null) {
ret =
new Node.CustomTag(
tagLibInfo.getRequiredVersion(),
qName,
prefix,
localName,
uri,
nonTaglibAttrs,
nonTaglibXmlnsAttrs,
taglibAttrs,
start,
parent,
tagInfo,
tagHandlerClass);
} else {
ret =
new Node.CustomTag(
tagLibInfo.getRequiredVersion(),
qName,
prefix,
localName,
uri,
nonTaglibAttrs,
nonTaglibXmlnsAttrs,
taglibAttrs,
start,
parent,
tagFileInfo);
}
return ret;
}