/*
* @(#)$Id: IntegerType.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 xbird.xqj.XQJConstants;
import xbird.xquery.DynamicError;
import xbird.xquery.XQueryException;
import xbird.xquery.dm.value.literal.XInteger;
import xbird.xquery.meta.DynamicContext;
import xbird.xquery.type.*;
/**
*
* <DIV lang="en"></DIV>
* <DIV lang="ja"></DIV>
*
* @author Makoto YUI (yuin405+xbird@gmail.com)
*/
public class IntegerType extends DecimalType {
private static final long serialVersionUID = 4303420600472848916L;
public static final String SYMBOL = "xs:integer";
public static final IntegerType INTEGER = new IntegerType();
public IntegerType() {
super(TypeTable.INTEGER_TID, SYMBOL);
}
protected IntegerType(final String type) {
super(TypeTable.INTEGER_TID, type);
}
@Override
public Class getJavaObjectType() {
return long.class;
}
@Override
public XInteger createInstance(String literal, AtomicType srcType, DynamicContext dynEnv)
throws XQueryException {
final long lv;
try {
lv = Long.parseLong(literal);
} catch (NumberFormatException pe) {
throw new DynamicError("err:FORG0001", "failed to cast as '" + SYMBOL + "': " + literal);
}
if(lv < lowerBound() || lv > upperBound()) {
throw new DynamicError("err:FORG0001", "Illegal value for '" + SYMBOL + "': " + literal);
}
return new XInteger(lv, this);
}
@Override
protected boolean isSuperTypeOf(final AtomicType expected) {
return expected instanceof IntegerType;
}
protected long upperBound() {
return Long.MAX_VALUE;
}
protected long lowerBound() {
return Long.MIN_VALUE;
}
@Override
public int getXQJBaseType() {
return XQJConstants.XQBASETYPE_INTEGER;
}
}