/*
* @(#)$Id: UntypedAtomicType.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.xsi.UntypedAtomicValue;
import xbird.xquery.meta.DynamicContext;
import xbird.xquery.misc.TypeUtil;
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 final class UntypedAtomicType extends AtomicType {
private static final long serialVersionUID = 291661989794118191L;
public static final String SYMBOL = "xs:untypedAtomic";
public static final UntypedAtomicType UNTYPED_ATOMIC = new UntypedAtomicType();
public UntypedAtomicType() {
super(TypeTable.UNTYPED_ATOMIC_TID, SYMBOL);
setWhitespaceProcessing(PRESERVE);
}
@Override
public boolean accepts(Type expected) {
if(expected instanceof AtomicType) {
AtomicType atomType = (AtomicType) expected;
final int tid = atomType.getTypeId();
switch(tid) {
case TypeTable.UNTYPED_ATOMIC_TID:
case TypeTable.ANY_ATOM_TID:
case TypeTable.STRING_TID:
return true;
default:
return false;
}
} else {
Type anytexts = TypeRegistry.safeGet("node()*"); // for atomization
return TypeUtil.subtypeOf(expected, anytexts);
}
}
public Class getJavaObjectType() {
return Object.class;
}
public boolean isValid(String literal) {
return true;
}
public UntypedAtomicValue createInstance(String literal, AtomicType srcType, DynamicContext dynEnv)
throws XQueryException {
return new UntypedAtomicValue(literal);
}
@Override
public String processWhitespace(String literal) {
return literal;
}
@Override
protected boolean isSuperTypeOf(final AtomicType expected) {
return expected instanceof UntypedAtomicType;
}
@Override
public int getXQJBaseType() {
return XQJConstants.XQBASETYPE_UNTYPEDATOMIC;
}
}