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
20 import java.util.ArrayList;
21 import java.util.Collections;
22 import java.util.List;
23
24 public class ASTCaseStatement extends JexlNode {
25
26 /** The values of the case statement. */
27 protected List<Object> values = Collections.emptyList();
28
29 public ASTCaseStatement(final int id) {
30 super(id);
31 }
32
33 @Override
34 public Object jjtAccept(final ParserVisitor visitor, final Object data) {
35 return visitor.visit(this, data);
36 }
37
38 void setValues(final List<Object> values) {
39 if (values == null) {
40 this.values = Collections.emptyList();
41 } else if (values.size() == 1) {
42 this.values = Collections.singletonList(values.get(0));
43 } else {
44 this.values = new ArrayList<>(values);
45 }
46 }
47
48 public List<Object> getValues() {
49 return Collections.unmodifiableList(values);
50 }
51 }