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/*
* Copyright (C) 2008-2017, Juick
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package com.juick.server.util;
import java.util.regex.Pattern;
/**
* Created by aalexeev on 11/28/16.
*/
public class WebUtils {
private WebUtils() {
throw new IllegalStateException();
}
private static final Pattern USER_NAME_PATTERN = Pattern.compile("[a-zA-Z-_\\d]{2,16}");
private static final Pattern POST_NUMBER_PATTERN = Pattern.compile("-?\\d+");
private static final Pattern JID_PATTERN = Pattern.compile("^[a-zA-Z0-9\\\\-\\\\_\\\\@\\\\.]{6,64}$");
public static boolean isPostNumber(final String aString) {
return aString != null && POST_NUMBER_PATTERN.matcher(aString).matches();
}
public static boolean isNotPostNumber(final String aString) {
return !isPostNumber(aString);
}
public static boolean isUserName(final String aString) {
return aString != null && USER_NAME_PATTERN.matcher(aString).matches();
}
public static boolean isNotUserName(final String aString) {
return !isUserName(aString);
}
public static boolean isJid(final String aString) {
return aString != null && JID_PATTERN.matcher(aString).matches();
}
public static boolean isNotJid(final String aString) {
return !isJid(aString);
}
}
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