/**
 *
 * Copyright 2003-2004 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.
 */

//
// This source code implements specifications defined by the Java
// Community Process. In order to remain compliant with the specification
// DO NOT add / change / or delete method signatures!
//

package javax.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>
 *
 * @since 2.0
 */
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);
}
