Package: AstLambdaExpression

AstLambdaExpression

name	instruction	branch	complexity	line	method
AstLambdaExpression(int)	M: 4 C: 0 0%	M: 0 C: 0 100%	M: 1 C: 0 0%	M: 2 C: 0 0%	M: 1 C: 0 0%
getValue(EvaluationContext)	M: 74 C: 0 0%	M: 8 C: 0 0%	M: 5 C: 0 0%	M: 14 C: 0 0%	M: 1 C: 0 0%

Coverage

1: /*
2: * Copyright (c) 2012, 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.parser;
18:
19: import java.util.List;
20:
21: import jakarta.el.ELException;
22: import jakarta.el.LambdaExpression;
23: import jakarta.el.ValueExpression;
24:
25: import com.sun.el.ValueExpressionImpl;
26: import com.sun.el.lang.EvaluationContext;
27: import com.sun.el.util.MessageFactory;
28:
29: /**
30: * @author Kin-man Chung
31: */
32: public class AstLambdaExpression extends SimpleNode {
33:
34: public AstLambdaExpression(int id) {
35: super(id);
36: }
37:
38: @Override
39: public Object getValue(EvaluationContext ctx) throws ELException {
40: // Create a lambda expression
41: ValueExpression expr = new ValueExpressionImpl("#{Lambda Expression}", this.children[1], ctx.getFunctionMapper(), ctx.getVariableMapper(), null);
42: List<String> parameters = ((AstLambdaParameters) this.children[0]).getParameters();
43: LambdaExpression lambda = new LambdaExpression(parameters, expr);
44:• if (this.children.length <= 2) {
45: return lambda;
46: }
47:
48: // There are arguments following the lambda exprn, invoke it now.
49: Object ret = null;
50:• for (int i = 2; i < this.children.length; i++) {
51:• if (ret != null) {
52:• if (!(ret instanceof LambdaExpression)) {
53: throw new ELException(MessageFactory.get("error.lambda.call"));
54: }
55: lambda = (LambdaExpression) ret;
56: }
57: AstMethodArguments args = (AstMethodArguments) this.children[i];
58: ret = lambda.invoke(ctx, args.getParameters(ctx));
59: }
60: return ret;
61: }
62: }