1 /**
2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
3 *
4 * Copyright (c) 1997-2010 Oracle and/or its affiliates. All rights reserved.
5 * Portions Copyright 2013-2017 Philip Helger + contributors
6 *
7 * The contents of this file are subject to the terms of either the GNU
8 * General Public License Version 2 only ("GPL") or the Common Development
9 * and Distribution License("CDDL") (collectively, the "License"). You
10 * may not use this file except in compliance with the License. You can
11 * obtain a copy of the License at
12 * https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
13 * or packager/legal/LICENSE.txt. See the License for the specific
14 * language governing permissions and limitations under the License.
15 *
16 * When distributing the software, include this License Header Notice in each
17 * file and include the License file at packager/legal/LICENSE.txt.
18 *
19 * GPL Classpath Exception:
20 * Oracle designates this particular file as subject to the "Classpath"
21 * exception as provided by Oracle in the GPL Version 2 section of the License
22 * file that accompanied this code.
23 *
24 * Modifications:
25 * If applicable, add the following below the License Header, with the fields
26 * enclosed by brackets [] replaced by your own identifying information:
27 * "Portions Copyright [year] [name of copyright owner]"
28 *
29 * Contributor(s):
30 * If you wish your version of this file to be governed by only the CDDL or
31 * only the GPL Version 2, indicate your decision by adding "[Contributor]
32 * elects to include this software in this distribution under the [CDDL or GPL
33 * Version 2] license." If you don't indicate a single choice of license, a
34 * recipient has the option to distribute your version of this file under
35 * either the CDDL, the GPL Version 2 or to extend the choice of license to
36 * its licensees as provided above. However, if you add GPL Version 2 code
37 * and therefore, elected the GPL Version 2 license, then the option applies
38 * only if the new code is made subject to such option by the copyright
39 * holder.
40 */
41 package com.helger.jcodemodel;
42
43 import javax.annotation.Nonnull;
44
45 import com.helger.jcodemodel.util.JCValueEnforcer;
46
47 /**
48 * Do loops
49 */
50 public class JDoLoop implements IJStatement
51 {
52 /**
53 * Test part of Do statement for determining exit state
54 */
55 private final IJExpression m_aTest;
56
57 /**
58 * JBlock of statements which makes up body of this Do statement
59 */
60 private JBlock m_aBody;
61
62 /**
63 * Construct a Do statement
64 *
65 * @param aTest
66 * Test expression
67 */
68 protected JDoLoop (@Nonnull final IJExpression aTest)
69 {
70 m_aTest = JCValueEnforcer.notNull (aTest, "Test");
71 }
72
73 @Nonnull
74 public IJExpression test ()
75 {
76 return m_aTest;
77 }
78
79 @Nonnull
80 public JBlock body ()
81 {
82 if (m_aBody == null)
83 m_aBody = new JBlock ();
84 return m_aBody;
85 }
86
87 public void state (@Nonnull final JFormatter f)
88 {
89 f.print ("do");
90 if (m_aBody != null)
91 f.generable (m_aBody);
92 else
93 f.print ("{ }");
94
95 if (JOp.hasTopOp (m_aTest))
96 {
97 f.print ("while ").generable (m_aTest);
98 }
99 else
100 {
101 f.print ("while (").generable (m_aTest).print (')');
102 }
103 f.print (';').newline ();
104 }
105 }