package io.ebean.config.dbplatform;
/**
* Parse raw column definitions into DbPlatformType like "decimal(18,6)" and "varchar(20) and "json".
*/
class DbPlatformTypeParser {
/**
* Parse the column definition and return the DbPlatformType.
*/
static DbPlatformType parse(String columnDefinition) {
columnDefinition = columnDefinition.trim();
int openPos = columnDefinition.indexOf('(');
if (openPos == -1) {
return new DbPlatformType(columnDefinition, false);
}
int closePos = columnDefinition.indexOf(')', openPos);
if (closePos == -1) {
return new DbPlatformType(columnDefinition, false);
}
try {
int commaPos = columnDefinition.indexOf(',', openPos);
if (commaPos > -1) {
String type = columnDefinition.substring(0, openPos);
int scale = Integer.parseInt(columnDefinition.substring(openPos + 1, commaPos));
int precision = Integer.parseInt(columnDefinition.substring(commaPos + 1, closePos));
return new DbPlatformType(type, scale, precision);
} else {
String type = columnDefinition.substring(0, openPos);
int scale = Integer.parseInt(columnDefinition.substring(openPos + 1, closePos));
return new DbPlatformType(type, scale);
}
} catch (RuntimeException e) {
return new DbPlatformType(columnDefinition, false);
}
}
}