1/*
2 * Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.  Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26package com.sun.codemodel.internal;
27
28/**
29 * ForEach Statement
30 * This will generate the code for statement based on the new
31 * j2se 1.5 j.l.s.
32 *
33 * @author Bhakti
34 */
35public final class JForEach implements JStatement {
36
37        private final JType type;
38        private final String var;
39        private JBlock body = null; // lazily created
40        private final JExpression collection;
41    private final JVar loopVar;
42
43        public JForEach(JType vartype, String variable, JExpression collection) {
44
45                this.type = vartype;
46                this.var = variable;
47                this.collection = collection;
48        loopVar = new JVar(JMods.forVar(JMod.NONE), type, var, collection);
49    }
50
51
52    /**
53     * Returns a reference to the loop variable.
54     */
55        public JVar var() {
56                return loopVar;
57        }
58
59        public JBlock body() {
60                if (body == null)
61                        body = new JBlock();
62                return body;
63        }
64
65        public void state(JFormatter f) {
66                f.p("for (");
67                f.g(type).id(var).p(": ").g(collection);
68                f.p(')');
69                if (body != null)
70                        f.g(body).nl();
71                else
72                        f.p(';').nl();
73        }
74
75}
76