001/* 002 * IzPack - Copyright 2001-2005 Julien Ponge, All Rights Reserved. 003 * 004 * http://www.izforge.com/izpack/ 005 * http://developer.berlios.de/projects/izpack/ 006 * 007 * Copyright 2004 Thorsten Kamann 008 * 009 * Licensed under the Apache License, Version 2.0 (the "License"); 010 * you may not use this file except in compliance with the License. 011 * You may obtain a copy of the License at 012 * 013 * http://www.apache.org/licenses/LICENSE-2.0 014 * 015 * Unless required by applicable law or agreed to in writing, software 016 * distributed under the License is distributed on an "AS IS" BASIS, 017 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 018 * See the License for the specific language governing permissions and 019 * limitations under the License. 020 */ 021 022package com.izforge.izpack.util; 023 024import com.izforge.izpack.panels.ProcessingClient; 025import com.izforge.izpack.panels.Validator; 026 027/** 028 * A validator to check whether the field content is a port . 029 * 030 * @author thorque 031 */ 032public class IsPortValidator implements Validator 033{ 034 035 public boolean validate(ProcessingClient client) 036 { 037 int port = 0; 038 039 if (client.getFieldContents(0).equals("")) { return false; } 040 041 try 042 { 043 port = Integer.parseInt(client.getFieldContents(0)); 044 if (port > 0 && port < 32000) { return true; } 045 } 046 catch (Exception ex) 047 { 048 return false; 049 } 050 051 return false; 052 } 053 054}