Constructor Detail

• ExtensionHandlerGeneral

  public ExtensionHandlerGeneral​(java.lang.String namespaceUri,
                                 StringVector elemNames,
                                 StringVector funcNames,
                                 java.lang.String scriptLang,
                                 java.lang.String scriptSrcURL,
                                 java.lang.String scriptSrc,
                                 java.lang.String systemId)
                          throws javax.xml.transform.TransformerException

  Construct a new extension namespace handler given all the information needed.

  Parameters:

  namespaceUri - the extension namespace URI that I'm implementing

  elemNames - Vector of element names

  funcNames - string containing list of functions of extension NS

  scriptLang - Scripting language of implementation

  scriptSrcURL - URL of source script

  scriptSrc - the actual script code (if any)

  systemId -

  Throws:

  javax.xml.transform.TransformerException

Method Detail

• isFunctionAvailable

  public boolean isFunctionAvailable​(java.lang.String function)

  Tests whether a certain function name is known within this namespace.

  Specified by:

  isFunctionAvailable in class ExtensionHandler

  Parameters:

  function - name of the function being tested

  Returns:

  true if its known, false if not.

• isElementAvailable

  public boolean isElementAvailable​(java.lang.String element)

  Tests whether a certain element name is known within this namespace.

  Specified by:

  isElementAvailable in class ExtensionHandler

  Parameters:

  element - name of the element being tested

  Returns:

  true if its known, false if not.

• callFunction

  public java.lang.Object callFunction​(java.lang.String funcName,
                                       java.util.Vector args,
                                       java.lang.Object methodKey,
                                       ExpressionContext exprContext)
                                throws javax.xml.transform.TransformerException

  Process a call to a function.

  Specified by:

  callFunction in class ExtensionHandler

  Parameters:

  funcName - Function name.

  args - The arguments of the function call.

  methodKey - A key that uniquely identifies this class and method call.

  exprContext - The context in which this expression is being executed.

  Returns:

  the return value of the function evaluation.

  Throws:

  javax.xml.transform.TransformerException - if parsing trouble

• callFunction

  public java.lang.Object callFunction​(FuncExtFunction extFunction,
                                       java.util.Vector args,
                                       ExpressionContext exprContext)
                                throws javax.xml.transform.TransformerException

  Process a call to an XPath extension function

  Specified by:

  callFunction in class ExtensionHandler

  Parameters:

  extFunction - The XPath extension function

  args - The arguments of the function call.

  exprContext - The context in which this expression is being executed.

  Returns:

  the return value of the function evaluation.

  Throws:

  javax.xml.transform.TransformerException

• processElement

  public void processElement​(java.lang.String localPart,
                             ElemTemplateElement element,
                             TransformerImpl transformer,
                             Stylesheet stylesheetTree,
                             java.lang.Object methodKey)
                      throws javax.xml.transform.TransformerException,
                             java.io.IOException

  Process a call to this extension namespace via an element. As a side effect, the results are sent to the TransformerImpl's result tree.

  Specified by:

  processElement in class ExtensionHandler

  Parameters:

  localPart - Element name's local part.

  element - The extension element being processed.

  transformer - Handle to TransformerImpl.

  stylesheetTree - The compiled stylesheet tree.

  methodKey - A key that uniquely identifies this class and method call.

  Throws:

  XSLProcessorException - thrown if something goes wrong while running the extension handler.

  MalformedURLException - if loading trouble

  FileNotFoundException - if loading trouble

  java.io.IOException - if loading trouble

  javax.xml.transform.TransformerException - if parsing trouble