org.apache.xalan.extensions
public abstract class ExtensionHandler extends java.lang.Object
Modifier and Type | Method and Description |
---|---|
abstract java.lang.Object |
callFunction(FuncExtFunction extFunction,
java.util.Vector args,
ExpressionContext exprContext)
Process a call to a function.
|
abstract java.lang.Object |
callFunction(java.lang.String funcName,
java.util.Vector args,
java.lang.Object methodKey,
ExpressionContext exprContext)
Process a call to a function.
|
abstract boolean |
isElementAvailable(java.lang.String element)
Tests whether a certain element name is known within this namespace.
|
abstract boolean |
isFunctionAvailable(java.lang.String function)
Tests whether a certain function name is known within this namespace.
|
abstract void |
processElement(java.lang.String localPart,
ElemTemplateElement element,
TransformerImpl transformer,
Stylesheet stylesheetTree,
java.lang.Object methodKey)
Process a call to this extension namespace via an element.
|
public abstract boolean isFunctionAvailable(java.lang.String function)
function
- name of the function being testedpublic abstract boolean isElementAvailable(java.lang.String element)
element
- Name of element to checkpublic abstract java.lang.Object callFunction(java.lang.String funcName, java.util.Vector args, java.lang.Object methodKey, ExpressionContext exprContext) throws javax.xml.transform.TransformerException
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.javax.xml.transform.TransformerException
- if parsing troublepublic abstract java.lang.Object callFunction(FuncExtFunction extFunction, java.util.Vector args, ExpressionContext exprContext) throws javax.xml.transform.TransformerException
extFunction
- The XPath extension function.args
- The arguments of the function call.exprContext
- The context in which this expression is being executed.javax.xml.transform.TransformerException
- if parsing troublepublic abstract void processElement(java.lang.String localPart, ElemTemplateElement element, TransformerImpl transformer, Stylesheet stylesheetTree, java.lang.Object methodKey) throws javax.xml.transform.TransformerException, java.io.IOException
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.XSLProcessorException
- thrown if something goes wrong
while running the extension handler.MalformedURLException
- if loading troubleFileNotFoundException
- if loading troublejava.io.IOException
- if loading troublejavax.xml.transform.TransformerException
- if parsing troubleCopyright ? 2006 Apache XML Project. All Rights Reserved.