java Object转换成指定的类型

/**
* Object转成指定的类型
* @param obj
* @param type
* @param <T>
* @return
*/
public static<T> T convert(Object obj, Class<T> type) {
if (obj != null && StringUtils.isNotBlank(obj.toString())) {
if (type.equals(Integer.class)||type.equals(int.class)) {
return (T)new Integer(obj.toString());
} else if (type.equals(Long.class)||type.equals(long.class)) {
return (T)new Long(obj.toString());
} else if (type.equals(Boolean.class)||type.equals(boolean.class)) {
return (T) new Boolean(obj.toString());
} else if (type.equals(Short.class)||type.equals(short.class)) {
return (T) new Short(obj.toString());
} else if (type.equals(Float.class)||type.equals(float.class)) {
return (T) new Float(obj.toString());
} else if (type.equals(Double.class)||type.equals(double.class)) {
return (T) new Double(obj.toString());
} else if (type.equals(Byte.class)||type.equals(byte.class)) {
return (T) new Byte(obj.toString());
} else if (type.equals(Character.class)||type.equals(char.class)) {
return (T)new Character(obj.toString().charAt(0));
} else if (type.equals(String.class)) {
return (T) obj;
} else if (type.equals(BigDecimal.class)) {
return (T) new BigDecimal(obj.toString());
} else if (type.equals(LocalDateTime.class)) {
//DateTimeFormatter formatter = DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss");
return (T) LocalDateTime.parse(obj.toString());
} else if (type.equals(Date.class)) {
try
{
SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss.SSS");
return (T) formatter.parse(obj.toString());
}
catch (ParseException e)
{
throw new RuntimeException(e.getMessage());
} }else{
return null;
}
} else {
if (type.equals(int.class)) {
return (T)new Integer(0);
} else if (type.equals(long.class)) {
return (T)new Long(0L);
} else if (type.equals(boolean.class)) {
return (T)new Boolean(false);
} else if (type.equals(short.class)) {
return (T)new Short("0");
} else if (type.equals(float.class)) {
return (T) new Float(0.0);
} else if (type.equals(double.class)) {
return (T) new Double(0.0);
} else if (type.equals(byte.class)) {
return (T) new Byte("0");
} else if (type.equals(char.class)) {
return (T) new Character('\u0000');
}else {
return null;
}
}
}