AstLiteralExpression.java

  1. /*
  2.  * Licensed to the Apache Software Foundation (ASF) under one or more
  3.  * contributor license agreements.  See the NOTICE file distributed with
  4.  * this work for additional information regarding copyright ownership.
  5.  * The ASF licenses this file to You under the Apache License, Version 2.0
  6.  * (the "License"); you may not use this file except in compliance with
  7.  * the License.  You may obtain a copy of the License at
  8.  *
  9.  *     http://www.apache.org/licenses/LICENSE-2.0
  10.  *
  11.  * Unless required by applicable law or agreed to in writing, software
  12.  * distributed under the License is distributed on an "AS IS" BASIS,
  13.  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  14.  * See the License for the specific language governing permissions and
  15.  * limitations under the License.
  16.  */
  17. /* Generated By:JJTree: Do not edit this line. AstLiteralExpression.java */
  18. package org.apache.el.parser;

  19. import jakarta.el.ELException;

  20. import org.apache.el.lang.EvaluationContext;


  21. /**
  22.  * @author Jacob Hookom [jacob@hookom.net]
  23.  */
  24. public final class AstLiteralExpression extends SimpleNode {
  25.     public AstLiteralExpression(int id) {
  26.         super(id);
  27.     }

  28.     @Override
  29.     public Class<?> getType(EvaluationContext ctx) throws ELException {
  30.         return String.class;
  31.     }

  32.     @Override
  33.     public Object getValue(EvaluationContext ctx) throws ELException {
  34.         return this.image;
  35.     }

  36.     @Override
  37.     public void setImage(String image) {
  38.         if (image.indexOf('\\') == -1) {
  39.             this.image = image;
  40.             return;
  41.         }
  42.         int size = image.length();
  43.         StringBuilder buf = new StringBuilder(size);
  44.         for (int i = 0; i < size; i++) {
  45.             char c = image.charAt(i);
  46.             if (c == '\\' && i + 2 < size) {
  47.                 char c1 = image.charAt(i + 1);
  48.                 char c2 = image.charAt(i + 2);
  49.                 if ((c1 == '#' || c1 == '$') && c2 == '{') {
  50.                     c = c1;
  51.                     i++;
  52.                 }
  53.             }
  54.             buf.append(c);
  55.         }
  56.         this.image = buf.toString();
  57.     }
  58. }