/*
* @(#)$Id: GMonthType.java 3619 2008-03-26 07:23:03Z yui $
*
* Copyright 2006-2008 Makoto YUI
*
* Licensed 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.
*
* Contributors:
* Makoto YUI - initial implementation
*/
package xbird.xquery.type.xs;
import javax.xml.datatype.*;
import xbird.xqj.XQJConstants;
import xbird.xquery.DynamicError;
import xbird.xquery.XQueryException;
import xbird.xquery.dm.value.xsi.GregorianDateTimeValue;
import xbird.xquery.meta.DynamicContext;
import xbird.xquery.misc.XsDatatypeFactory;
import xbird.xquery.type.*;
/**
* gMonth is a gregorian month that recurs every year.
* <DIV lang="en">
* The lexical representation for gMonth is the left and
* right truncated lexical representation for date: --MM.
* An optional following time zone qualifier is allowed as for date.
* </DIV>
* <DIV lang="ja"></DIV>
*
* @author Makoto YUI (yuin405+xbird@gmail.com)
*/
public final class GMonthType extends GregorianBaseType {
private static final long serialVersionUID = 4873426469372749878L;
public static final String SYMBOL = "xs:gMonth";
public static final GMonthType GMONTH = new GMonthType();
public GMonthType() {
super(TypeTable.GMONTH_TID, SYMBOL);
}
public GregorianDateTimeValue createInstance(String literal, AtomicType srcType, DynamicContext dynEnv)
throws XQueryException {
if(literal == null) {
throw new IllegalArgumentException();
}
final int strlen = literal.length();
if(strlen < 4 || !literal.startsWith("--")) {
throw new DynamicError("err:FORG0001", "Illegal value for xs:gMonth: " + literal);
}
StringBuilder buf = new StringBuilder(strlen + 2);
buf.append(literal.substring(0, 4));
// [workaround] gMonth, --MM(z?), but per XML Schema Errata, used to be --MM--(z?)
buf.append("--");
if(strlen >= 5) {
buf.append(literal.substring(4));
}
final String gmonth = buf.toString();
return new GregorianDateTimeValue(gmonth, this);
}
public GregorianDateTimeValue createInstance(XMLGregorianCalendar value) {
final DatatypeFactory factory = XsDatatypeFactory.getDatatypeFactory();
int month = value.getMonth();
int tz = value.getTimezone();
XMLGregorianCalendar cal = factory.newXMLGregorianCalendarDate(DatatypeConstants.FIELD_UNDEFINED, month, DatatypeConstants.FIELD_UNDEFINED, tz);
return new GregorianDateTimeValue(cal, GMONTH);
}
@Override
public boolean isDaySet() {
return false;
}
@Override
public boolean isYearSet() {
return false;
}
@Override
protected boolean isSuperTypeOf(final AtomicType expected) {
return expected instanceof GMonthType;
}
@Override
public int getXQJBaseType() {
return XQJConstants.XQBASETYPE_GMONTH;
}
}