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Java > Open Source Codes > com > izforge > izpack > util > IsPortValidator


1 /*
2  * IzPack - Copyright 2001-2007 Julien Ponge, All Rights Reserved.
3  *
4  * http://www.izforge.com/izpack/
5  * http://developer.berlios.de/projects/izpack/
6  *
7  * Copyright 2004 Thorsten Kamann
8  *
9  * Licensed under the Apache License, Version 2.0 (the "License");
10  * you may not use this file except in compliance with the License.
11  * You may obtain a copy of the License at
12  *
13  * http://www.apache.org/licenses/LICENSE-2.0
14  *
15  * Unless required by applicable law or agreed to in writing, software
16  * distributed under the License is distributed on an "AS IS" BASIS,
17  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
18  * See the License for the specific language governing permissions and
19  * limitations under the License.
20  */
21
22 package com.izforge.izpack.util;
23
24 import com.izforge.izpack.panels.ProcessingClient;
25 import com.izforge.izpack.panels.Validator;
26
27 /**
28  * A validator to check whether the field content is a port .
29  *
30  * @author thorque
31  */
32 public class IsPortValidator implements Validator
33 {
34
35     public boolean validate(ProcessingClient client)
36     {
37         int port = 0;
38
39         if ("".equals(client.getFieldContents(0))) { return false; }
40
41         try
42         {
43             port = Integer.parseInt(client.getFieldContents(0));
44             if (port > 0 && port < 32000) { return true; }
45         }
46         catch (Exception JavaDoc ex)
47         {
48             return false;
49         }
50
51         return false;
52     }
53
54 }
55
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