Package: VariableMapperFactory

VariableMapperFactory

name	instruction	branch	complexity	line	method
VariableMapperFactory(VariableMapper)	M: 13 C: 0 0%	M: 2 C: 0 0%	M: 2 C: 0 0%	M: 5 C: 0 0%	M: 1 C: 0 0%
create()	M: 3 C: 0 0%	M: 0 C: 0 100%	M: 1 C: 0 0%	M: 1 C: 0 0%	M: 1 C: 0 0%
resolveVariable(String)	M: 23 C: 0 0%	M: 4 C: 0 0%	M: 3 C: 0 0%	M: 6 C: 0 0%	M: 1 C: 0 0%
setVariable(String, ValueExpression)	M: 5 C: 0 0%	M: 0 C: 0 100%	M: 1 C: 0 0%	M: 1 C: 0 0%	M: 1 C: 0 0%

Coverage

1: /*
2: * Copyright (c) 1997, 2018 Oracle and/or its affiliates. All rights reserved.
3: *
4: * This program and the accompanying materials are made available under the
5: * terms of the Eclipse Public License v. 2.0, which is available at
6: * http://www.eclipse.org/legal/epl-2.0.
7: *
8: * This Source Code may also be made available under the following Secondary
9: * Licenses when the conditions for such availability set forth in the
10: * Eclipse Public License v. 2.0 are satisfied: GNU General Public License,
11: * version 2 with the GNU Classpath Exception, which is available at
12: * https://www.gnu.org/software/classpath/license.html.
13: *
14: * SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
15: */
16:
17: package com.sun.el.lang;
18:
19: import jakarta.el.ValueExpression;
20: import jakarta.el.VariableMapper;
21:
22: /**
23: * Creates a VariableMapper for the variables used in the expression.
24: */
25: public class VariableMapperFactory extends VariableMapper {
26:
27: private final VariableMapper target;
28: private VariableMapper momento;
29:
30: public VariableMapperFactory(VariableMapper target) {
31:• if (target == null) {
32: throw new NullPointerException("Target VariableMapper cannot be null");
33: }
34: this.target = target;
35: }
36:
37: public VariableMapper create() {
38: return this.momento;
39: }
40:
41: @Override
42: public ValueExpression resolveVariable(String variable) {
43: ValueExpression expr = this.target.resolveVariable(variable);
44:• if (expr != null) {
45:• if (this.momento == null) {
46: this.momento = new VariableMapperImpl();
47: }
48: this.momento.setVariable(variable, expr);
49: }
50: return expr;
51: }
52:
53: @Override
54: public ValueExpression setVariable(String variable, ValueExpression expression) {
55: throw new UnsupportedOperationException("Cannot Set Variables on Factory");
56: }
57: }