/*
* Adito
*
* Copyright (C) 2003-2006 3SP LTD. All Rights Reserved
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public
* License along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
package com.adito.input.validators;
import java.net.ServerSocket;
import java.util.Properties;
import com.adito.boot.AbstractPropertyKey;
import com.adito.boot.CodedException;
import com.adito.boot.PropertyClass;
import com.adito.boot.PropertyDefinition;
import com.adito.core.CoreException;
/**
* Extension of {@link IntegerValidator} appropriate for validating TCP/IP port
* numbers in the range of 0 to 65535,
*/
public class PortValidator extends IntegerValidator {
private static final int MIN_PORT_RANGE = 0;
private static final int MAX_PORT_RANGE = 65535;
/**
* Constructor.
*/
public PortValidator() {
super(MIN_PORT_RANGE, MAX_PORT_RANGE);
}
@Override
public void validate(PropertyDefinition definition, String value, Properties properties) throws CodedException {
// validate the integer range.
super.validate(definition, value, properties);
if (definition.getTypeMeta().equals("true")) {
int portInt = Integer.parseInt(value);
// now open a server socket to the port to ensure that it is
// available if the property has a true value for its meta data, and
// if the value has changed
PropertyClass propertyClass = definition.getPropertyClass();
AbstractPropertyKey propertyKey = new AbstractPropertyKey(definition.getName(), propertyClass.getName());
int oldValue = propertyClass.retrievePropertyInt(propertyKey);
if (oldValue != portInt) {
try {
ServerSocket socket = new ServerSocket(portInt);
socket.close();
} catch (Exception e) {
log.error("Failed to open server socket.", e);
throw new CoreException(ErrorConstants.ERR_INTERNAL_ERROR, ErrorConstants.CATEGORY_NAME,
ErrorConstants.BUNDLE_NAME, e, value);
}
}
}
}
}