public static float _parseFloat(CharSequence _val) {
String s = WhiteSpaceProcessor.trim(_val).toString();
/* Incompatibilities of XML Schema's float "xfloat" and Java's float "jfloat"
* jfloat.valueOf ignores leading and trailing whitespaces,
whereas this is not allowed in xfloat.
* jfloat.valueOf allows "float type suffix" (f, F) to be
appended after float literal (e.g., 1.52e-2f), whereare
this is not the case of xfloat.
gray zone
---------
* jfloat allows ".523". And there is no clear statement that mentions
this case in xfloat. Although probably this is allowed.
*
*/
if (s.equals("NaN")) return Float.NaN;
if (s.equals("INF")) return Float.POSITIVE_INFINITY;
if (s.equals("-INF")) return Float.NEGATIVE_INFINITY;
if (s.length() == 0
|| !isDigitOrPeriodOrSign(s.charAt(0))
|| !isDigitOrPeriodOrSign(s.charAt(s.length() - 1))) throw new NumberFormatException();
// these screening process is necessary due to the wobble of Float.valueOf method
return Float.parseFloat(s);
}
public static double _parseDouble(CharSequence _val) {
String val = WhiteSpaceProcessor.trim(_val).toString();
if (val.equals("NaN")) return Double.NaN;
if (val.equals("INF")) return Double.POSITIVE_INFINITY;
if (val.equals("-INF")) return Double.NEGATIVE_INFINITY;
if (val.length() == 0
|| !isDigitOrPeriodOrSign(val.charAt(0))
|| !isDigitOrPeriodOrSign(val.charAt(val.length() - 1)))
throw new NumberFormatException(val);
// these screening process is necessary due to the wobble of Float.valueOf method
return Double.parseDouble(val);
}
public static BigDecimal _parseDecimal(CharSequence content) {
content = WhiteSpaceProcessor.trim(content);
return new BigDecimal(content.toString());
// from purely XML Schema perspective,
// this implementation has a problem, since
// in xs:decimal "1.0" and "1" is equal whereas the above
// code will return different values for those two forms.
//
// the code was originally using com.sun.msv.datatype.xsd.NumberType.load,
// but a profiling showed that the process of normalizing "1.0" into "1"
// could take non-trivial time.
//
// also, from the user's point of view, one might be surprised if
// 1 (not 1.0) is returned from "1.000"
}
public static BigInteger _parseInteger(CharSequence s) {
return new BigInteger(removeOptionalPlus(WhiteSpaceProcessor.trim(s)).toString());
}
public static GregorianCalendar _parseDateTime(CharSequence s) {
String val = WhiteSpaceProcessor.trim(s).toString();
return datatypeFactory.newXMLGregorianCalendar(val).toGregorianCalendar();
}
public static long _parseLong(CharSequence s) {
return Long.valueOf(removeOptionalPlus(WhiteSpaceProcessor.trim(s)).toString());
}
