01: /*
02: * IzPack - Copyright 2001-2008 Julien Ponge, All Rights Reserved.
03: *
04: * http://izpack.org/
05: * http://izpack.codehaus.org/
06: *
07: * Copyright 2004 Thorsten Kamann
08: *
09: * 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: public boolean validate(ProcessingClient client) {
35: int port = 0;
36:
37: if ("".equals(client.getFieldContents(0))) {
38: return false;
39: }
40:
41: try {
42: port = Integer.parseInt(client.getFieldContents(0));
43: if (port > 0 && port < 32000) {
44: return true;
45: }
46: } catch (Exception ex) {
47: return false;
48: }
49:
50: return false;
51: }
52:
53: }
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