| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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 javax.servlet.jsp.el; |
| |
| /** |
| * <p> |
| * This class is used to customize the way an ExpressionEvaluator resolves |
| * variable references at evaluation time. For example, instances of this class |
| * can implement their own variable lookup mechanisms, or introduce the notion |
| * of "implicit variables" which override any other variables. An instance of |
| * this class should be passed when evaluating an expression. |
| * </p> |
| * <p> |
| * An instance of this class includes the context against which resolution will |
| * happen |
| * </p> |
| * |
| * @since 2.0 |
| * @deprecated As of JSP 2.1, replaced by javax.el.ELResolver |
| */ |
| @SuppressWarnings("dep-ann") |
| // TCK signature test fails with annotation |
| public interface VariableResolver { |
| |
| /** |
| * Resolves the specified variable. Returns null if the variable is not |
| * found. |
| * |
| * @param pName |
| * the name of the variable to resolve |
| * @return the result of the variable resolution |
| * @throws ELException |
| * if a failure occurred while trying to resolve the given |
| * variable |
| */ |
| public Object resolveVariable(String pName) throws ELException; |
| } |