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 package org.apache.commons.jexl3.parser;
18
19 import java.util.Objects;
20 import java.util.regex.Pattern;
21
22 public final class ASTRegexLiteral extends JexlNode implements JexlNode.Constant<Pattern> {
23
24 /**
25 */
26 private static final long serialVersionUID = 1L;
27 /** The actual literal value; the inherited 'value' member may host a cached getter. */
28
29 private Pattern literal;
30
31 ASTRegexLiteral(final int id) {
32 super(id);
33 }
34
35 /**
36 * Gets the literal value.
37 * @return the Pattern literal
38 */
39 @Override
40 public Pattern getLiteral() {
41 return this.literal;
42 }
43
44 @Override
45 protected boolean isConstant(final boolean literal) {
46 return true;
47 }
48
49 @Override
50 public Object jjtAccept(final ParserVisitor visitor, final Object data) {
51 return visitor.visit(this, data);
52 }
53
54 void setLiteral(final String literal) {
55 this.literal = Pattern.compile(literal);
56 }
57
58 @Override
59 public String toString() {
60 return Objects.toString(literal, "");
61 }
62 }