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A processor for parsing, validating, serializing and manipulating XML, written in Java
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/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.xerces.impl.dv.xs;
import javax.xml.datatype.DatatypeConstants;
import javax.xml.datatype.XMLGregorianCalendar;
import org.apache.xerces.impl.dv.InvalidDatatypeValueException;
import org.apache.xerces.impl.dv.ValidationContext;
/**
* Validator for <gYear> datatype (W3C Schema Datatypes)
*
* @xerces.internal
*
* @author Elena Litani
* @author Gopal Sharma, SUN Microsystem Inc.
*
* @version $Id$
*/
public class YearDV extends AbstractDateTimeDV {
/**
* Convert a string to a compiled form
*
* @param content The lexical representation of time
* @return a valid and normalized time object
*/
public Object getActualValue(String content, ValidationContext context) throws InvalidDatatypeValueException{
try{
return parse(content, context.getTypeValidatorHelper().isXMLSchema11());
} catch(Exception ex){
throw new InvalidDatatypeValueException("cvc-datatype-valid.1.2.1", new Object[]{content, "gYear"});
}
}
/**
* Parses, validates and computes normalized version of gYear object
*
* @param str The lexical representation of year object CCYY
* with possible time zone Z or (-),(+)hh:mm
* @return normalized date representation
* @exception SchemaDateTimeException Invalid lexical representation
*/
protected DateTimeData parse(String str, boolean isXMLSchema11) throws SchemaDateTimeException{
DateTimeData date = new DateTimeData(str, this);
int len = str.length();
// check for preceding '-' sign
int start = 0;
if (str.charAt(0)=='-') {
start = 1;
}
int sign = findUTCSign(str, start, len);
final int length = ((sign == -1) ? len : sign) - start;
if (length < 4) {
throw new RuntimeException("Year must have 'CCYY' format");
}
else if (length > 4 && str.charAt(start) == '0') {
throw new RuntimeException("Leading zeros are required if the year value would otherwise have fewer than four digits; otherwise they are forbidden");
}
if (sign == -1) {
date.year=parseIntYear(str, len);
}
else {
date.year=parseIntYear(str, sign);
getTimeZone (str, date, sign, len);
}
//initialize values
date.month=MONTH;
date.day=1;
//validate and normalize
validateDateTime(date, isXMLSchema11);
//save unnormalized values
saveUnnormalized(date);
if ( date.utc!=0 && date.utc!='Z' ) {
normalize(date);
}
date.position = 0;
return date;
}
/**
* Converts year object representation to String
*
* @param date year object
* @return lexical representation of month: CCYY with optional time zone sign
*/
protected String dateToString(DateTimeData date) {
StringBuffer message = new StringBuffer(5);
append(message, date.year, 4);
append(message, (char)date.utc, 0);
return message.toString();
}
protected XMLGregorianCalendar getXMLGregorianCalendar(DateTimeData date) {
return datatypeFactory.newXMLGregorianCalendar(date.unNormYear, DatatypeConstants.FIELD_UNDEFINED,
DatatypeConstants.FIELD_UNDEFINED, DatatypeConstants.FIELD_UNDEFINED, DatatypeConstants.FIELD_UNDEFINED,
DatatypeConstants.FIELD_UNDEFINED, DatatypeConstants.FIELD_UNDEFINED,
date.hasTimeZone() ? date.timezoneHr * 60 + date.timezoneMin : DatatypeConstants.FIELD_UNDEFINED);
}
}