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package com.app.common.encrypt;
import java.lang.reflect.Array;
import java.util.Collection;
import java.util.Map;
public class CheckUtils {
public static final String COMMON_FIELD = "flowID,initiator,";
/**
* 验证对象是否为NULL,空字符串，空数组，空的Collection或Map(只有空格的字符串也认为是空串)
* @param obj 被验证的对象
* @param message 异常信息
*/
@SuppressWarnings("rawtypes")
public static void notEmpty(Object obj, String message) {
if (obj == null){
throw new IllegalArgumentException(message + " must be specified");
}
if (obj instanceof String && obj.toString().trim().length()==0){
throw new IllegalArgumentException(message + " must be specified");
}
if (obj.getClass().isArray() && Array.getLength(obj)==0){
throw new IllegalArgumentException(message + " must be specified");
}
if (obj instanceof Collection && ((Collection)obj).isEmpty()){
throw new IllegalArgumentException(message + " must be specified");
}
if (obj instanceof Map && ((Map)obj).isEmpty()){
throw new IllegalArgumentException(message + " must be specified");
}
}
}