cn.patterncat.helper.sql.util.ValueUtils Maven / Gradle / Ivy
package cn.patterncat.helper.sql.util;
import com.google.common.base.CaseFormat;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.lang.reflect.Field;
import java.lang.reflect.Method;
import java.util.Collections;
import java.util.HashMap;
import java.util.Map;
/**
* Created by patterncat on 2017-11-21.
*/
public class ValueUtils {
private static final Logger LOGGER = LoggerFactory.getLogger(ValueUtils.class);
public static String camelhumpToUnderline(String value){
return CaseFormat.LOWER_CAMEL.to(CaseFormat.LOWER_UNDERSCORE,value);
}
public static boolean isNumber(Object value) {
if (value == null) {
return false;
}
return value.getClass() == Byte.TYPE || value.getClass() == Byte.class ||
value.getClass() == Short.TYPE || value.getClass() == Short.class ||
value.getClass() == Integer.TYPE || value.getClass() == Integer.class ||
value.getClass() == Long.TYPE || value.getClass() == Long.class ||
value.getClass() == Float.TYPE || value.getClass() == Float.class ||
value.getClass() == Double.TYPE || value.getClass() == Double.class;
}
public static Map beanToMap(Object bean) {
if (bean == null){
return Collections.emptyMap();
}
Map map = new HashMap();
Class clazz = bean.getClass();
try {
//do not get father class fields
Field[] fields = clazz.getDeclaredFields();
for (int i = 0; i < fields.length; i++) {
String name = fields[i].getName();
Method method = clazz.getMethod("get" + name.substring(0, 1).toUpperCase() + name.substring(1));
Object value = method.invoke(bean);
Class fieldType = fields[i].getType();
if(fieldType.isEnum()){
map.put(name,((Enum)value).ordinal());
}else{
map.put(name,value);
}
}
} catch (Exception e) {
LOGGER.error(e.getMessage(), e);
}
return map;
}
}