Package xbird.xquery.func.qname

Source Code of xbird.xquery.func.qname.LocalNameFromQName

/*
* @(#)$Id: LocalNameFromQName.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.func.qname;

import xbird.xquery.XQueryException;
import xbird.xquery.dm.value.Item;
import xbird.xquery.dm.value.Sequence;
import xbird.xquery.dm.value.literal.XString;
import xbird.xquery.dm.value.sequence.ValueSequence;
import xbird.xquery.dm.value.xsi.QNameValue;
import xbird.xquery.func.BuiltInFunction;
import xbird.xquery.func.FunctionSignature;
import xbird.xquery.meta.DynamicContext;
import xbird.xquery.type.Type;
import xbird.xquery.type.TypeRegistry;
import xbird.xquery.type.xs.NCNameType;

/**
* fn:local-name-from-QName($arg as xs:QName?) as xs:NCName?.
* <DIV lang="en"></DIV>
* <DIV lang="ja"></DIV>
*
* @author Makoto YUI (yuin405+xbird@gmail.com)
* @link http://www.w3.org/TR/xquery-operators/#func-local-name-from-QName
*/
public final class LocalNameFromQName extends BuiltInFunction {
    private static final long serialVersionUID = 8427740167090426297L;
    public static final String SYMBOL = "fn:local-name-from-QName";

    public LocalNameFromQName() {
        super(SYMBOL, TypeRegistry.safeGet("xs:NCName?"));
    }

    protected FunctionSignature[] signatures() {
        final FunctionSignature[] s = new FunctionSignature[1];
        s[0] = new FunctionSignature(getName(), new Type[] { TypeRegistry.safeGet("xs:QName?") });
        return s;
    }

    public Sequence eval(Sequence<? extends Item> contextSeq, ValueSequence argv, DynamicContext dynEnv) throws XQueryException {
        assert (argv != null && argv.size() == 1);
        Item firstItem = argv.getItem(0);
        if(firstItem.isEmpty()) {
            return XString.valueOf("");
        }
        QNameValue arg = (QNameValue) firstItem;
        String lpart = arg.getValue().getLocalPart();
        return new XString(lpart, NCNameType.NCNAME);
    }

}
TOP

Related Classes of xbird.xquery.func.qname.LocalNameFromQName

TOP
Copyright © 2018 www.massapi.com. All rights reserved.
All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.