Java tutorial
/** * GNU General Public License (GPL) * version 3.0, 29 June 2007 * * 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 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 General Public License for more details. * * You should have received a copy of the GNU General Public * License along with this program. If not, see * <http://www.gnu.org/licenses/gpl-3.0.html>. * * Copyright (C) 2017 Marc Mamiah. * License GPLv3+: GNU GPL version 3 */ package com.chadekin.jadys.commons.expression; import com.chadekin.jadys.commons.enums.JadysSqlOperation; import org.apache.commons.lang.StringUtils; /** * SqlExpressionCleaning */ public interface SqlExpressionCleaning { public default String cleanExpression(String expression) { if (StringUtils.isBlank(expression)) return StringUtils.EMPTY; if (expression.startsWith(JadysSqlOperation.AND.toString())) { expression = expression.replaceFirst(JadysSqlOperation.AND.toString(), StringUtils.EMPTY); } else if (expression.startsWith(JadysSqlOperation.OR.toString())) { expression = expression.replaceFirst(JadysSqlOperation.OR.toString(), StringUtils.EMPTY); } return expression.trim(); } }