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 * https://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
28 /** The actual literal value; the inherited 'value' member may host a cached getter. */
29
30 private Pattern literal;
31
32 ASTRegexLiteral(final int id) {
33 super(id);
34 }
35
36 /**
37 * Gets the literal value.
38 *
39 * @return the Pattern literal
40 */
41 @Override
42 public Pattern getLiteral() {
43 return this.literal;
44 }
45
46 @Override
47 protected boolean isConstant(final boolean literal) {
48 return true;
49 }
50
51 @Override
52 public Object jjtAccept(final ParserVisitor visitor, final Object data) {
53 return visitor.visit(this, data);
54 }
55
56 void setLiteral(final String literal) {
57 this.literal = Pattern.compile(literal);
58 }
59
60 @Override
61 public String toString() {
62 return Objects.toString(literal, "");
63 }
64 }