%line | %branch | |||||||||
---|---|---|---|---|---|---|---|---|---|---|
org.apache.commons.jexl.parser.ASTAssignment |
|
|
1 | /* |
|
2 | * Copyright 2002-2006 The Apache Software Foundation. |
|
3 | * |
|
4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
|
5 | * you may not use this file except in compliance with the License. |
|
6 | * You may obtain a copy of the License at |
|
7 | * |
|
8 | * http://www.apache.org/licenses/LICENSE-2.0 |
|
9 | * |
|
10 | * Unless required by applicable law or agreed to in writing, software |
|
11 | * distributed under the License is distributed on an "AS IS" BASIS, |
|
12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
|
13 | * See the License for the specific language governing permissions and |
|
14 | * limitations under the License. |
|
15 | */ |
|
16 | ||
17 | package org.apache.commons.jexl.parser; |
|
18 | ||
19 | import org.apache.commons.jexl.JexlContext; |
|
20 | ||
21 | /** |
|
22 | * x = y, assigns a value to a variable in the context. |
|
23 | * |
|
24 | * @author Dion Gillard |
|
25 | * |
|
26 | */ |
|
27 | public class ASTAssignment extends SimpleNode { |
|
28 | /** |
|
29 | * Create the node given an id. |
|
30 | * |
|
31 | * @param id node id. |
|
32 | */ |
|
33 | public ASTAssignment(int id) { |
|
34 | 0 | super(id); |
35 | 0 | } |
36 | ||
37 | /** |
|
38 | * Create a node with the given parser and id. |
|
39 | * |
|
40 | * @param p a parser. |
|
41 | * @param id node id. |
|
42 | */ |
|
43 | public ASTAssignment(Parser p, int id) { |
|
44 | 35 | super(p, id); |
45 | 35 | } |
46 | ||
47 | /** {@inheritDoc} */ |
|
48 | public Object jjtAccept(ParserVisitor visitor, Object data) { |
|
49 | 0 | return visitor.visit(this, data); |
50 | } |
|
51 | ||
52 | /** {@inheritDoc} */ |
|
53 | public Object value(JexlContext context) throws Exception { |
|
54 | // left should be the variable (reference) to assign to |
|
55 | 53 | SimpleNode left = (SimpleNode) jjtGetChild(0); |
56 | // right should be the expression to evaluate |
|
57 | 53 | Object right = ((SimpleNode) jjtGetChild(1)).value(context); |
58 | 53 | if (left instanceof ASTReference) { |
59 | 53 | ASTReference reference = (ASTReference) left; |
60 | 53 | left = (SimpleNode) reference.jjtGetChild(0); |
61 | 53 | if (left instanceof ASTIdentclass="keyword">ifier) { |
62 | 53 | String identifier = ((ASTIdentifier) left) |
63 | .getIdentifierString(); |
|
64 | 53 | context.getVars().put(identifier, right); |
65 | } |
|
66 | } |
|
67 | 53 | return right; |
68 | } |
|
69 | } |
This report is generated by jcoverage, Maven and Maven JCoverage Plugin. |