/*
* @(#)$Id: StringType.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.XQueryException;
import xbird.xquery.dm.value.AtomicValue;
import xbird.xquery.dm.value.literal.XString;
import xbird.xquery.meta.DynamicContext;
import xbird.xquery.type.*;
/**
*
* <DIV lang="en"></DIV>
* <DIV lang="ja"></DIV>
*
* @author Makoto YUI (yuin405+xbird@gmail.com)
* @link http://www.w3.org/TR/xquery-operators/#casting-from-strings
*/
public class StringType extends AtomicType {
private static final long serialVersionUID = 391859647450634892L;
public static final String SYMBOL = "xs:string";
public static final StringType STRING = new StringType();
public StringType() {
this(SYMBOL);
}
protected StringType(String type) {
super(TypeTable.STRING_TID, type);
setWhitespaceProcessing(PRESERVE);
}
public Class getJavaObjectType() {
return String.class;
}
public AtomicValue createInstance(String literal, AtomicType srcType, DynamicContext dynEnv)
throws XQueryException {
return new XString(literal, this);
}
@Override
protected boolean isSuperTypeOf(AtomicType expected) {
if(expected instanceof StringType) {
return true;
} else if(expected instanceof UntypedAtomicType) {
return true;
} else {
return false;
}
}
@Override
public int getXQJBaseType() {
return XQJConstants.XQBASETYPE_STRING;
}
}