Thu, 12 Oct 2017 19:44:07 +0800
merge
1 /*
2 * Copyright (c) 1997, 2010, 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 */
26 package com.sun.codemodel.internal;
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 */
35 public final class JForEach implements JStatement {
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;
43 public JForEach(JType vartype, String variable, JExpression collection) {
45 this.type = vartype;
46 this.var = variable;
47 this.collection = collection;
48 loopVar = new JVar(JMods.forVar(JMod.NONE), type, var, collection);
49 }
52 /**
53 * Returns a reference to the loop variable.
54 */
55 public JVar var() {
56 return loopVar;
57 }
59 public JBlock body() {
60 if (body == null)
61 body = new JBlock();
62 return body;
63 }
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 }
75 }