Java tutorial
/* * Copyright 2007-2016 the original author or authors. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package net.ymate.platform.validation.validate; import net.ymate.platform.core.beans.annotation.CleanProxy; import net.ymate.platform.core.i18n.I18N; import net.ymate.platform.core.lang.BlurObject; import net.ymate.platform.validation.IValidator; import net.ymate.platform.validation.ValidateContext; import net.ymate.platform.validation.ValidateResult; import net.ymate.platform.validation.annotation.Validator; import org.apache.commons.lang.StringUtils; import org.apache.commons.lang.math.NumberUtils; /** * ?? * * @author (suninformation@163.com) on 2013-4-17 ?8:36:16 * @version 1.0 */ @Validator(VNumeric.class) @CleanProxy public class NumericValidator implements IValidator { public ValidateResult validate(ValidateContext context) { Object _paramValue = context.getParamValue(); if (_paramValue != null) { boolean _matched = false; boolean _flag = false; VNumeric _vNumeric = (VNumeric) context.getAnnotation(); try { Number _number = NumberUtils.createNumber(BlurObject.bind(_paramValue).toStringValue()); if (_number == null) { _matched = true; _flag = true; } else { if (_vNumeric.min() > 0 && _number.doubleValue() < _vNumeric.min()) { _matched = true; } else if (_vNumeric.max() > 0 && _number.doubleValue() > _vNumeric.max()) { _matched = true; } } } catch (Exception e) { _matched = true; _flag = true; } if (_matched) { String _pName = StringUtils.defaultIfBlank(context.getParamLabel(), context.getParamName()); _pName = I18N.formatMessage(VALIDATION_I18N_RESOURCE, _pName, _pName); String _msg = StringUtils.trimToNull(_vNumeric.msg()); if (_msg != null) { _msg = I18N.formatMessage(VALIDATION_I18N_RESOURCE, _msg, _msg, _pName); } else { if (_flag) { String __NUMERIC = "ymp.validation.numeric"; _msg = I18N.formatMessage(VALIDATION_I18N_RESOURCE, __NUMERIC, "{0} not a valid numeric.", _pName); } else { if (_vNumeric.max() > 0 && _vNumeric.min() > 0) { String __NUMERIC_BETWEEN = "ymp.validation.numeric_between"; _msg = I18N.formatMessage(VALIDATION_I18N_RESOURCE, __NUMERIC_BETWEEN, "{0} numeric must be between {1} and {2}.", _pName, _vNumeric.min(), _vNumeric.max()); } else if (_vNumeric.max() > 0) { String __NUMERIC_MAX = "ymp.validation.numeric_max"; _msg = I18N.formatMessage(VALIDATION_I18N_RESOURCE, __NUMERIC_MAX, "{0} numeric must be lt {1}.", _pName, _vNumeric.max()); } else { String __NUMERIC_MIN = "ymp.validation.numeric_min"; _msg = I18N.formatMessage(VALIDATION_I18N_RESOURCE, __NUMERIC_MIN, "{0} numeric must be gt {1}.", _pName, _vNumeric.min()); } } } return new ValidateResult(context.getParamName(), _msg); } } return null; } }