Java tutorial
/******************************************************************************* * ServerValidationUtils.java * insights-event-logger * Created by Gooru on 2014 * Copyright (c) 2014 Gooru. All rights reserved. * http://www.goorulearning.org/ * Permission is hereby granted, free of charge, to any person obtaining * a copy of this software and associated documentation files (the * "Software"), to deal in the Software without restriction, including * without limitation the rights to use, copy, modify, merge, publish, * distribute, sublicense, and/or sell copies of the Software, and to * permit persons to whom the Software is furnished to do so, subject to * the following conditions: * The above copyright notice and this permission notice shall be * included in all copies or substantial portions of the Software. * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. ******************************************************************************/ package org.logger.event.web.utils; import java.util.Date; import java.util.Map; import java.util.Set; import org.apache.commons.lang.StringUtils; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import org.springframework.validation.Errors; public class ServerValidationUtils { protected final static Logger logger = LoggerFactory.getLogger(ServerValidationUtils.class); public static void rejectIfNullOrEmpty(Errors errors, String data, String field, String errorMsg) { if (data == null || StringUtils.isBlank(data)) { errors.rejectValue(field, errorMsg); } } public static void rejectIfAnyException(Errors errors, String errorCode, Exception exception) { errors.rejectValue(errorCode, exception.toString()); } public static void rejectIfNull(Errors errors, Object data, String field, String errorMsg) { if (data == null) { errors.rejectValue(field, errorMsg); } } public static void rejectIfNull(Errors errors, Object data, String field, String errorCode, String errorMsg) { if (data == null) { errors.rejectValue(field, errorCode, errorMsg); } } public static void rejectIfAlReadyExist(Errors errors, Object data, String errorCode, String errorMsg) { if (data != null) { errors.reject(errorCode, errorMsg); } } public static void rejectIfNullOrEmpty(Errors errors, Set<?> data, String field, String errorMsg) { if (data == null || data.size() == 0) { errors.rejectValue(field, errorMsg); } } public static void rejectIfNullOrEmpty(Errors errors, String data, String field, String errorCode, String errorMsg) { if (data == null || StringUtils.isBlank(data)) { errors.rejectValue(field, errorCode, errorMsg); } } public static void rejectIfInvalidType(Errors errors, String data, String field, String errorCode, String errorMsg, Map<String, String> typeParam) { if (!typeParam.containsKey(data)) { errors.rejectValue(field, errorCode, errorMsg); } } public static void rejectIfInvalidDate(Errors errors, Date data, String field, String errorCode, String errorMsg) { Date date = new Date(); if (data.compareTo(date) <= 0) { errors.rejectValue(field, errorCode, errorMsg); } } public static void rejectIfInvalid(Errors errors, Double data, String field, String errorCode, String errorMsg, Map<Double, String> ratingScore) { if (!ratingScore.containsKey(data)) { errors.rejectValue(field, errorCode, errorMsg); } } public static void logErrorIfZeroLongValue(Boolean isValidEvent, Long data, String field, String errorCode, String eventJson, String errorMsg) { if (isValidEvent) { if (data == null || data == 0L) { isValidEvent = false; logger.error(errorMsg + " ErrorCode :" + errorCode + " FieldName :" + field + " : " + eventJson); } } } public static void logErrorIfNullOrEmpty(Boolean isValidEvent, String data, String field, String errorCode, String eventJson, String errorMsg) { if (isValidEvent) { if (data == null || StringUtils.isBlank(data) || data.equalsIgnoreCase("null")) { isValidEvent = false; logger.error(errorMsg + " ErrorCode :" + errorCode + " FieldName :" + field + " : " + eventJson); } } } public static void logErrorIfNull(Boolean isValidEvent, Object data, String field, String errorMsg) { if (isValidEvent) { if (data == null) { isValidEvent = false; logger.error(errorMsg + " : FieldName :" + field + " : "); } } } }