286N/A * reserved comment block 286N/A * DO NOT REMOVE OR ALTER! 286N/A * Copyright 1999-2004 The Apache Software Foundation. 286N/A * Licensed under the Apache License, Version 2.0 (the "License"); 286N/A * you may not use this file except in compliance with the License. 286N/A * You may obtain a copy of the License at 286N/A * Unless required by applicable law or agreed to in writing, software 286N/A * distributed under the License is distributed on an "AS IS" BASIS, 286N/A * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 286N/A * See the License for the specific language governing permissions and 286N/A * limitations under the License. 286N/A * An object that implements this interface can supply 286N/A * information about the current XPath expression context. 286N/A * Get the current context node. 286N/A * @return The current context node. 286N/A * Get the current context node list. 286N/A * @return An iterator for the current context list, as 286N/A * Get the error listener. 286N/A * @return The registered error listener. 286N/A * Get the value of a node as a number. 286N/A * @param n Node to be converted to a number. May be null. 286N/A * @return value of n as a number. 286N/A * Get the value of a node as a string. 286N/A * @param n Node to be converted to a string. May be null. 286N/A * @return value of n as a string, or an empty string if n is null. 286N/A * Get a variable based on it's qualified name. 286N/A * @param qname The qualified name of the variable. 286N/A * @return The evaluated value of the variable. 286N/A * @throws javax.xml.transform.TransformerException 286N/A * Get the XPathContext that owns this ExpressionContext. 286N/A * Note: exslt:function requires the XPathContext to access 286N/A * the variable stack and TransformerImpl. 286N/A * @return The current XPathContext. 286N/A * @throws javax.xml.transform.TransformerException