org.apache.xpath.ExtensionsProvider Maven / Gradle / Ivy
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/*
* $Id: ExtensionsProvider.java 468655 2006-10-28 07:12:06Z minchau $
*/
package org.apache.xpath;
import java.util.Vector;
import org.apache.xpath.functions.FuncExtFunction;
/**
* Interface that XPath objects can call to obtain access to an
* ExtensionsTable.
*
*/
public interface ExtensionsProvider
{
/**
* Is the extension function available?
*/
public boolean functionAvailable(String ns, String funcName)
throws javax.xml.transform.TransformerException;
/**
* Is the extension element available?
*/
public boolean elementAvailable(String ns, String elemName)
throws javax.xml.transform.TransformerException;
/**
* Execute the extension function.
*/
public Object extFunction(String ns, String funcName,
Vector argVec, Object methodKey)
throws javax.xml.transform.TransformerException;
/**
* Execute the extension function.
*/
public Object extFunction(FuncExtFunction extFunction,
Vector argVec)
throws javax.xml.transform.TransformerException;
}