org.apache.xalan.extensions
Class ExtensionHandlerJava

java.lang.Object
  |
  +--org.apache.xalan.extensions.ExtensionHandler
        |
        +--org.apache.xalan.extensions.ExtensionHandlerJava

Direct Known Subclasses:

ExtensionHandlerJavaClass, ExtensionHandlerJavaPackage

public abstract class ExtensionHandlerJava

extends ExtensionHandler

**For internal use only** Abstract base class handling the java language extensions for XPath. This base class provides cache management shared by all of the various java extension handlers.

Method Summary

java.lang.Object	getFromCache(java.lang.Object methodKey, java.lang.Object objType, java.lang.Object[] methodArgs) Look up the entry in the method cache.
java.lang.Object	putToCache(java.lang.Object methodKey, java.lang.Object objType, java.lang.Object[] methodArgs, java.lang.Object methodObj) Add a new entry into the method cache.

Methods inherited from class org.apache.xalan.extensions.ExtensionHandler

callFunction, callFunction, getClassForName, isElementAvailable, isFunctionAvailable, processElement

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

getFromCache

public java.lang.Object getFromCache(java.lang.Object methodKey,
                                     java.lang.Object objType,
                                     java.lang.Object[] methodArgs)

Look up the entry in the method cache.

Parameters:

methodKey - A key that uniquely identifies this invocation in the stylesheet.

objType - A Class object or instance object representing the type

methodArgs - An array of the XObject arguments to be used for function mangling.

Returns:

The given method from the method cache

putToCache

public java.lang.Object putToCache(java.lang.Object methodKey,
                                   java.lang.Object objType,
                                   java.lang.Object[] methodArgs,
                                   java.lang.Object methodObj)

Add a new entry into the method cache.

Parameters:

methodKey - A key that uniquely identifies this invocation in the stylesheet.

objType - A Class object or instance object representing the type

methodArgs - An array of the XObject arguments to be used for function mangling.

methodObj - A Class object or instance object representing the method

Returns:

The cached method object