IPAddressField.java revision 7c478bd95313f5f23a4c958a745db2134aa03244
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* ident "%Z%%M% %I% %E% SMI"
*
* Copyright (c) 1998-1999 by Sun Microsystems, Inc.
* All rights reserved.
*/
/**
* A text field which limits input to only those characters which can legally
* appear in an IP address, i.e. the digits and '.'.
*/
public class IPAddressField extends JTextField {
/**
* Constructs an empty field.
*/
public IPAddressField() {
this("");
}
/**
* Constructs a field initialized to the provided text.
* @param text the text to display initially
*/
super(text, 15);
}
/**
* Sets the value to a provided IP address.
* @param addr an <code>InetAddress</code> to display
*/
setText("");
} else {
}
}
/**
* Sets the value to the provided IP address. This is our special
* <code>IPAddress</code> class.
* @param addr a <code>IPAddress</code> to display
*/
setText("");
} else {
}
}
/**
* Return the current value as an <code>IPAddress</code>.
* @return the current value as an <code>IPAddress</code>, or null if the
* current text is not a valid IP address.
*/
try {
} catch (ValidationException e) {
// Do nothing
}
return a;
}
protected Document createDefaultModel() {
return new IPAddressDocument();
}
/*
* trapping KeyEvents because this will catch paste operations, too.
*/
static class IPAddressDocument extends PlainDocument {
throws BadLocationException {
// IP addresses are limited to 15 characters, period.
}
}
}
}
}
}
}