001 /** 002 * 003 * Copyright 2003-2004 The Apache Software Foundation 004 * 005 * Licensed under the Apache License, Version 2.0 (the "License"); 006 * you may not use this file except in compliance with the License. 007 * You may obtain a copy of the License at 008 * 009 * http://www.apache.org/licenses/LICENSE-2.0 010 * 011 * Unless required by applicable law or agreed to in writing, software 012 * distributed under the License is distributed on an "AS IS" BASIS, 013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 014 * See the License for the specific language governing permissions and 015 * limitations under the License. 016 */ 017 018 // 019 // This source code implements specifications defined by the Java 020 // Community Process. In order to remain compliant with the specification 021 // DO NOT add / change / or delete method signatures! 022 // 023 024 package javax.servlet.jsp.el; 025 026 /** 027 * <p>The interface to a map between EL function names and methods.</p> 028 * 029 * <p>Classes implementing this interface may, for instance, consult tag library 030 * information to resolve the map. </p> 031 * 032 * @since 2.0 033 */ 034 public interface FunctionMapper { 035 /** 036 * Resolves the specified local name and prefix into a Java.lang.Method. 037 * Returns null if the prefix and local name are not found. 038 * 039 * @param prefix the prefix of the function, or "" if no prefix. 040 * @param localName the short name of the function 041 * @return the result of the method mapping. Null means no entry found. 042 **/ 043 public java.lang.reflect.Method resolveFunction(String prefix, 044 String localName); 045 }