001/*
002 * Copyright 2002-2014 the original author or authors.
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 *      https://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 */
016
017package org.springframework.expression.spel.ast;
018
019import org.springframework.expression.TypedValue;
020import org.springframework.expression.spel.ExpressionState;
021
022/**
023 * @author Andy Clement
024 * @since 3.0
025 */
026public class Identifier extends SpelNodeImpl {
027
028        private final TypedValue id;
029
030
031        public Identifier(String payload, int pos) {
032                super(pos);
033                this.id = new TypedValue(payload);
034        }
035
036
037        @Override
038        public String toStringAST() {
039                return (String) this.id.getValue();
040        }
041
042        @Override
043        public TypedValue getValueInternal(ExpressionState state) {
044                return this.id;
045        }
046
047}