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.regex.Pattern;
20
21 public final class ASTRegexLiteral extends JexlNode implements JexlNode.Constant<Pattern> {
22
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 = null;
30
31 ASTRegexLiteral(final int id) {
32 super(id);
33 }
34
35 ASTRegexLiteral(final Parser p, final int id) {
36 super(p, id);
37 }
38
39 @Override
40 public String toString() {
41 return literal != null ? literal.toString() : "";
42 }
43
44 /**
45 * Gets the literal value.
46 * @return the Pattern literal
47 */
48 @Override
49 public Pattern getLiteral() {
50 return this.literal;
51 }
52
53 @Override
54 protected boolean isConstant(final boolean literal) {
55 return true;
56 }
57
58 void setLiteral(final String literal) {
59 this.literal = Pattern.compile(literal);
60 }
61
62 @Override
63 public Object jjtAccept(final ParserVisitor visitor, final Object data) {
64 return visitor.visit(this, data);
65 }
66 }