Java tutorial
/* * HeadsUp Agile * Copyright 2014 Heads Up Development Ltd. * * 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 org.headsupdev.agile.web.components; import org.apache.wicket.validation.validator.PatternValidator; import java.util.regex.Pattern; /** * A simple pattern validator that checks the string can be used for an object id * * @author Andrew Williams * @since 2.1 */ public class IdPatternValidator extends PatternValidator { public static final Pattern ID_PATTERN = Pattern.compile("[0-9]*"); public IdPatternValidator() { super(ID_PATTERN); } /** * A simple helper to verify a id against thee pattern used by this validator. * * @param id The id to check for validity * @return true if the passed id is valid, false otherwise */ public static boolean isValidId(String id) { return ID_PATTERN.matcher(id).matches(); } }