package foundation.value;
|
|
import java.math.BigDecimal;
|
import java.math.BigInteger;
|
import java.util.regex.Matcher;
|
import java.util.regex.Pattern;
|
|
import foundation.server.config.DBaseType;
|
import foundation.util.Util;
|
|
public class LongTranslator extends ITranslator {
|
|
private static Pattern pattern = Pattern.compile("^-?\\d+?([eE][+-]?\\d+)?$");
|
|
@Override
|
public Long load(Object value){
|
if (Util.isEmpty(value) || value == null || value == ValueType.Null) {
|
return null;
|
}
|
|
if (value instanceof Long) {
|
return (Long)value;
|
}
|
else if (value instanceof Integer) {
|
return ((Integer)value).longValue();
|
}
|
else if (value instanceof BigInteger) {
|
return ((BigInteger)value).longValue();
|
}
|
|
return Long.valueOf(value.toString());
|
}
|
|
@Override
|
public Long load(String value) throws Exception {
|
if (Util.isEmpty(value)) {
|
return null;
|
}
|
|
return Long.valueOf(value.toString());
|
}
|
|
public String toString(Object value) throws Exception {
|
if (value == null || value == ValueType.Null) {
|
return null;
|
}
|
|
return value.toString();
|
}
|
|
@Override
|
public String toSqlString(DBaseType dbaseType, Object value) throws Exception {
|
if (value == null || value == ValueType.Null) {
|
return "null";
|
}
|
|
return value.toString();
|
}
|
|
@Override
|
public String toJSONString(Object value) throws Exception {
|
if (value == null || value == ValueType.Null) {
|
return "null";
|
}
|
|
return value.toString();
|
}
|
|
@Override
|
public String toSchemaString(Object value) throws Exception {
|
if (value == null || value == ValueType.Null) {
|
return "";
|
}
|
|
return value.toString();
|
}
|
|
private Long toLong(Object value) {
|
if (value == null || value == ValueType.Null) {
|
return null;
|
}
|
|
if (value instanceof Long) {
|
return (Long)value;
|
}
|
else if (value instanceof Integer) {
|
return ((Integer)value).longValue();
|
}
|
else if (value instanceof BigInteger) {
|
return ((BigInteger)value).longValue();
|
}
|
else if (value instanceof BigDecimal) {
|
try {
|
return ((BigDecimal)value).longValue();
|
}catch (Exception e) {
|
e.printStackTrace();
|
}
|
}
|
else if (value instanceof Double) {
|
return ((Double)value).longValue();
|
}
|
else if (value instanceof String) {
|
return Long.valueOf((String)value);
|
}
|
|
return Long.valueOf(value.toString());
|
}
|
|
@Override
|
public Object toTranslatorTypeValue(Object value) throws Exception {
|
return (Long)value;
|
}
|
|
@Override
|
public String checkType(Object object) {
|
String value = String.valueOf(object);
|
Matcher matcher = pattern.matcher(value);
|
|
if (matcher.find()) {
|
return null;
|
}
|
|
return "数字无法识别";
|
}
|
|
@Override
|
public Class<?> getDataClass() {
|
return Long.class;
|
}
|
}
|