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/*******************************************************************************
* Copyright (c) 2014 Wind River Systems, Inc. and others. All rights reserved.
* This program and the accompanying materials are made available under the terms
* of the Eclipse Public License v1.0 which accompanies this distribution, and is
* available at http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Wind River Systems - initial API and implementation
*******************************************************************************/
package org.eclipse.tcf.te.ui.controls.validator;
/**
* Input validator for port numbers.
* <p>
* Valid formats are decimal and, if allowed, hex (0xFFFF).
*/
public class PortNumberValidator extends NumberValidator {
// regular expressions for validator
protected static final String PORT_REGEX_DEC = "([0-9]{1,5})"; //$NON-NLS-1$
protected static final String PORT_REGEX_HEX = "(0(x|X)[0-9a-fA-F]{1,4})"; //$NON-NLS-1$
public static final int ATTR_HEX = 4;
public static final int ATTR_DECIMAL = 8;
// next attribute should start with 2^4
/**
* Constructor
*/
public PortNumberValidator() {
this(ATTR_MANDATORY | ATTR_DECIMAL);
}
/**
* Constructor
* @attributes attributes The validator attributes.
*/
public PortNumberValidator(int attributes) {
this(attributes, 0, 65535);
}
/**
* Constructor
*
* @param attributes The verify listener attributes.
* @param min The minimum allowed input.
* If less than zero the value is set to 0.
* @param max The maximum allowed input.
* If less than zero the value is set to INTEGERE.MAX_VALUE.
*/
public PortNumberValidator(int attributes, int min, int max) {
super(attributes, getRegEx(attributes), min, max);
setMessageText(RegexValidator.INFO_MISSING_VALUE, getString("PortNumberValidator_Information_MissingPortNumber")); //$NON-NLS-1$
setMessageText(RegexValidator.ERROR_INVALID_VALUE, getString("PortNumberValidator_Error_InvalidPortNumber")); //$NON-NLS-1$
setMessageText(NumberValidator.ERROR_INVALID_RANGE, getString("PortNumberValidator_Error_PortNumberNotInRange")); //$NON-NLS-1$
}
/*
* Static method to generate regular expression for constructor super call.
*/
private static String getRegEx(int attributes) {
String regex = null;
if (isAttribute(ATTR_DECIMAL, attributes) || !isAttribute(ATTR_HEX, attributes)) {
regex = PORT_REGEX_DEC;
}
if (isAttribute(ATTR_HEX, attributes) || !isAttribute(ATTR_DECIMAL, attributes)) {
regex = (regex != null) ? (regex + "|" + PORT_REGEX_HEX) : PORT_REGEX_HEX; //$NON-NLS-1$
}
return regex;
}
}
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