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 2013-2018 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 import javax.annotation.Nullable;
45
46 /**
47 * Catch block for a try/catch/finally statement
48 */
49 public class JCatchBlock implements IJGenerable
50 {
51 private final AbstractJClass m_aException;
52 private JVar m_aVar;
53 private final JBlockl#JBlock">JBlock m_aBody = new JBlock ();
54
55 protected JCatchBlock (@Nonnull final AbstractJClass aException)
56 {
57 m_aException = aException;
58 }
59
60 @Nonnull
61 public AbstractJClass exception ()
62 {
63 return m_aException;
64 }
65
66 @Nonnull
67 public JVar param (final String sName)
68 {
69 if (m_aVar != null)
70 throw new IllegalStateException ("A variable is already present!");
71 m_aVar = new JVar (JMods.forVar (JMod.FINAL), m_aException, sName, null);
72 return m_aVar;
73 }
74
75 @Nullable
76 public JVar param ()
77 {
78 return m_aVar;
79 }
80
81 @Nonnull
82 public JBlock body ()
83 {
84 return m_aBody;
85 }
86
87 public void generate (@Nonnull final IJFormatter f)
88 {
89 if (m_aVar == null)
90 m_aVar = new JVar (JMods.forVar (JMod.FINAL), m_aException, "ex", null);
91 f.print ("catch (").var (m_aVar).print (')').generable (m_aBody);
92 }
93 }