/*
 * Copyright (c) 1997, 2020 Oracle and/or its affiliates and others.
 * All rights reserved.
 * Copyright 2004 The Apache Software Foundation
 *
 * Licensed 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.
 */

package jakarta.servlet.jsp.el;

/**
 * <p>
 * The interface to a map between EL function names and methods.
 * </p>
 *
 * <p>
 * Classes implementing this interface may, for instance, consult tag library information to resolve the map.
 * </p>
 *
 * @deprecated As of JSP 2.1, replaced by {@link jakarta.el.FunctionMapper}
 * @since JSP 2.0
 */
@Deprecated
public interface FunctionMapper {
    /**
     * Resolves the specified local name and prefix into a Java.lang.Method. Returns null if the prefix and local name
     * are not found.
     * 
     * @param prefix    the prefix of the function, or "" if no prefix.
     * @param localName the short name of the function
     * @return the result of the method mapping. Null means no entry found.
     */
    public java.lang.reflect.Method resolveFunction(String prefix, String localName);
}
