org.apache.xpath
Interface ExtensionsProvider

All Known Implementing Classes:

TransformerImpl

public interface ExtensionsProvider

Interface that XPath objects can call to obtain access to an ExtensionsTable.

Method Summary

boolean	elementAvailable(String ns, String elemName) Is the extension element available?
Object	extFunction(String ns, String funcName, Vector argVec, Object methodKey) Execute the extension function.
boolean	functionAvailable(String ns, String funcName) Is the extension function available?

Method Detail

functionAvailable

public boolean functionAvailable(String ns,
                                 String funcName)
                          throws javax.xml.transform.TransformerException

Is the extension function available?

Throws:

javax.xml.transform.TransformerException

elementAvailable

public boolean elementAvailable(String ns,
                                String elemName)
                         throws javax.xml.transform.TransformerException

Is the extension element available?

Throws:

javax.xml.transform.TransformerException

extFunction

public Object extFunction(String ns,
                          String funcName,
                          Vector argVec,
                          Object methodKey)
                   throws javax.xml.transform.TransformerException

Execute the extension function.

Throws:

javax.xml.transform.TransformerException