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## 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

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.

Usage:
  **For internal use only**

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, 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

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Copyright © 2004 Apache XML Project. All Rights Reserved.