net.ymate.platform.validation.AbstractValidator Maven / Gradle / Ivy
/*
* Copyright 2007-2019 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;
import net.ymate.platform.commons.lang.BlurObject;
import org.apache.commons.lang3.StringUtils;
/**
* @author 刘镇 ([email protected]) on 17/1/10 上午4:35
*/
public abstract class AbstractValidator implements IValidator {
private static final String ORIGINAL_KEY_PREFIX = "original_";
/**
* @param paramName 参数名称
* @return 获取指定名称参数的原始内容
*/
public static BlurObject getOriginalValue(String paramName) {
return BlurObject.bind(ValidateContext.getLocalAttributes().get(ORIGINAL_KEY_PREFIX + paramName));
}
public static void setOriginValue(String paramName, Object originalValue) {
ValidateContext.getLocalAttributes().put(ORIGINAL_KEY_PREFIX + paramName, originalValue);
}
/**
* 获取参数值，若参数为数组则提取第0个元素值
*
* @param paramValue 参数值对象
* @param trim 是否去除首尾空格
* @return 返回参数值，若不存在则可能为null
* @since 2.1.0
*/
protected String getParamValue(Object paramValue, boolean trim) {
String pValue = null;
if (paramValue != null) {
if (paramValue.getClass().isArray()) {
Object[] values = (Object[]) paramValue;
if (values.length > 0) {
pValue = BlurObject.bind(values[0]).toStringValue();
}
} else {
pValue = BlurObject.bind(paramValue).toStringValue();
}
if (trim) {
return StringUtils.trimToEmpty(pValue);
}
}
return pValue;
}
}