001 /* 002 * Licensed to the Apache Software Foundation (ASF) under one 003 * or more contributor license agreements. See the NOTICE file 004 * distributed with this work for additional information 005 * regarding copyright ownership. The ASF licenses this file 006 * to you under the Apache License, Version 2.0 (the 007 * "License"); you may not use this file except in compliance 008 * with the License. You may obtain a copy of the License at 009 * 010 * http://www.apache.org/licenses/LICENSE-2.0 011 * 012 * Unless required by applicable law or agreed to in writing, 013 * software distributed under the License is distributed on an 014 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 015 * KIND, either express or implied. See the License for the 016 * specific language governing permissions and limitations 017 * under the License. 018 */ 019 020 // 021 // This source code implements specifications defined by the Java 022 // Community Process. In order to remain compliant with the specification 023 // DO NOT add / change / or delete method signatures! 024 // 025 026 package javax.servlet.jsp.el; 027 028 /** 029 * <p>The interface to a map between EL function names and methods.</p> 030 * 031 * <p>Classes implementing this interface may, for instance, consult tag library 032 * information to resolve the map. </p> 033 * 034 * @since 2.0 035 */ 036 public interface FunctionMapper { 037 /** 038 * Resolves the specified local name and prefix into a Java.lang.Method. 039 * Returns null if the prefix and local name are not found. 040 * 041 * @param prefix the prefix of the function, or "" if no prefix. 042 * @param localName the short name of the function 043 * @return the result of the method mapping. Null means no entry found. 044 **/ 045 public java.lang.reflect.Method resolveFunction(String prefix, 046 String localName); 047 }