1 /* 2 * Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved. 3 */ 4 /* 5 * Licensed to the Apache Software Foundation (ASF) under one or more 6 * contributor license agreements. See the NOTICE file distributed with 7 * this work for additional information regarding copyright ownership. 8 * The ASF licenses this file to You under the Apache License, Version 2.0 9 * (the "License"); you may not use this file except in compliance with 10 * the License. You may obtain a copy of the License at 11 * 12 * http://www.apache.org/licenses/LICENSE-2.0 13 * 14 * Unless required by applicable law or agreed to in writing, software 15 * distributed under the License is distributed on an "AS IS" BASIS, 16 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 17 * See the License for the specific language governing permissions and 18 * limitations under the License. 19 */ 20 21 package com.sun.org.apache.xpath.internal; 22 23 import com.sun.org.apache.xpath.internal.functions.FuncExtFunction; 24 import com.sun.org.apache.xpath.internal.objects.XObject; 25 import java.util.List; 26 27 /** 28 * Interface that XPath objects can call to obtain access to an 29 * ExtensionsTable. 30 * 31 * @LastModified: Oct 2017 32 */ 33 public interface ExtensionsProvider 34 { 35 /** 36 * Is the extension function available? 37 */ 38 functionAvailable(String ns, String funcName)39 public boolean functionAvailable(String ns, String funcName) 40 throws javax.xml.transform.TransformerException; 41 42 /** 43 * Is the extension element available? 44 */ elementAvailable(String ns, String elemName)45 public boolean elementAvailable(String ns, String elemName) 46 throws javax.xml.transform.TransformerException; 47 48 /** 49 * Execute the extension function. 50 */ extFunction(String ns, String funcName, List<XObject> argVec, Object methodKey)51 public Object extFunction(String ns, String funcName, List<XObject> argVec, 52 Object methodKey) 53 throws javax.xml.transform.TransformerException; 54 55 /** 56 * Execute the extension function. 57 */ extFunction(FuncExtFunction extFunction, List<XObject> argVec)58 public Object extFunction(FuncExtFunction extFunction, List<XObject> argVec) 59 throws javax.xml.transform.TransformerException; 60 } 61