/*
* 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.io.UnsupportedEncodingException;
import java.net.URLEncoder;
import java.util.Properties;
import com.adito.boot.CodedException;
import com.adito.boot.PropertyDefinition;
import com.adito.boot.PropertyValidator;
import com.adito.core.CoreException;
/**
* Ensures that the String only contains ASCII characters.
*/
public class AsciiValidator implements PropertyValidator {
private static final String UTF_8 = "UTF-8";
public void validate(PropertyDefinition definition, String value, Properties properties) throws CodedException {
assertIsAscii(value);
}
private static void assertIsAscii (String value) throws CodedException {
try {
if (!value.equals(URLEncoder.encode(value, UTF_8))) {
throw new CoreException(ErrorConstants.ERR_STRING_NON_ASCII, ErrorConstants.CATEGORY_NAME, ErrorConstants.BUNDLE_NAME, null, value);
}
} catch (UnsupportedEncodingException e) {
// ignore, this just isn't going to happen
}
}
}