001    /**
002     * Licensed to the Apache Software Foundation (ASF) under one or more
003     * contributor license agreements.  See the NOTICE file distributed with
004     * this work for additional information regarding copyright ownership.
005     * The ASF licenses this file to You under the Apache License, Version 2.0
006     * (the "License"); you may not use this file except in compliance with
007     * the License.  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    package org.apache.camel.language.simple.ast;
018    
019    import org.apache.camel.Expression;
020    import org.apache.camel.builder.ExpressionBuilder;
021    import org.apache.camel.language.simple.types.SimpleToken;
022    
023    /**
024     * Represents literals in the AST.
025     */
026    public class LiteralExpression extends BaseSimpleNode implements LiteralNode {
027    
028        protected StringBuilder text = new StringBuilder();
029    
030        public LiteralExpression(SimpleToken token) {
031            super(token);
032        }
033    
034        @Override
035        public String toString() {
036            return getText();
037        }
038    
039        @Override
040        public void addText(String text) {
041            this.text.append(text);
042        }
043    
044        @Override
045        public String getText() {
046            return text.toString();
047        }
048    
049        @Override
050        public Expression createExpression(String expression) {
051            return ExpressionBuilder.constantExpression(getText());
052        }
053    }