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Adapter alibaba fastjson to other json libraries. the fastjson version: 1.2.58
package com.alibaba.fastjson.parser.deserializer;
import com.alibaba.fastjson.JSONException;
import com.alibaba.fastjson.parser.DefaultJSONParser;
import com.alibaba.fastjson.parser.JSONLexer;
import com.alibaba.fastjson.parser.JSONScanner;
import com.alibaba.fastjson.parser.JSONToken;
import com.alibaba.fastjson.util.TypeUtils;
import java.lang.reflect.Type;
import java.math.BigDecimal;
public class TimeDeserializer implements ObjectDeserializer {
public final static TimeDeserializer instance = new TimeDeserializer();
@SuppressWarnings("unchecked")
public T deserialze(DefaultJSONParser parser, Type clazz, Object fieldName) {
JSONLexer lexer = parser.lexer;
if (lexer.token() == JSONToken.COMMA) {
lexer.nextToken(JSONToken.LITERAL_STRING);
if (lexer.token() != JSONToken.LITERAL_STRING) {
throw new JSONException("syntax error");
}
lexer.nextTokenWithColon(JSONToken.LITERAL_INT);
if (lexer.token() != JSONToken.LITERAL_INT) {
throw new JSONException("syntax error");
}
long time = lexer.longValue();
lexer.nextToken(JSONToken.RBRACE);
if (lexer.token() != JSONToken.RBRACE) {
throw new JSONException("syntax error");
}
lexer.nextToken(JSONToken.COMMA);
return (T) new java.sql.Time(time);
}
Object val = parser.parse();
if (val == null) {
return null;
}
if (val instanceof java.sql.Time) {
return (T) val;
} else if (val instanceof BigDecimal) {
return (T) new java.sql.Time(TypeUtils.longValue((BigDecimal) val));
} else if (val instanceof Number) {
return (T) new java.sql.Time(((Number) val).longValue());
} else if (val instanceof String) {
String strVal = (String) val;
if (strVal.length() == 0) {
return null;
}
long longVal;
JSONScanner dateLexer = new JSONScanner(strVal);
if (dateLexer.scanISO8601DateIfMatch()) {
longVal = dateLexer.getCalendar().getTimeInMillis();
} else {
boolean isDigit = true;
for (int i = 0; i < strVal.length(); ++i) {
char ch = strVal.charAt(i);
if (ch < '0' || ch > '9') {
isDigit = false;
break;
}
}
if (!isDigit) {
dateLexer.close();
return (T) java.sql.Time.valueOf(strVal);
}
longVal = Long.parseLong(strVal);
}
dateLexer.close();
return (T) new java.sql.Time(longVal);
}
throw new JSONException("parse error");
}
public int getFastMatchToken() {
return JSONToken.LITERAL_INT;
}
}