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
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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
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19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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24  */
25 
26 package 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  */
35 public 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 
JForEach(JType vartype, String variable, JExpression collection)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      */
var()55         public JVar var() {
56                 return loopVar;
57         }
58 
body()59         public JBlock body() {
60                 if (body == null)
61                         body = new JBlock();
62                 return body;
63         }
64 
state(JFormatter f)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