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Support for XQuery components
There is a newer version: 2.0.1
/*
* Fabric3
* Copyright (c) 2009-2011 Metaform Systems
*
* Fabric3 is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as
* published by the Free Software Foundation, either version 3 of
* the License, or (at your option) any later version, with the
* following exception:
*
* Linking this software statically or dynamically with other
* modules is making a combined work based on this software.
* Thus, the terms and conditions of the GNU General Public
* License cover the whole combination.
*
* As a special exception, the copyright holders of this software
* give you permission to link this software with independent
* modules to produce an executable, regardless of the license
* terms of these independent modules, and to copy and distribute
* the resulting executable under terms of your choice, provided
* that you also meet, for each linked independent module, the
* terms and conditions of the license of that module. An
* independent module is a module which is not derived from or
* based on this software. If you modify this software, you may
* extend this exception to your version of the software, but
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* delete this exception statement from your version.
*
* Fabric3 is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty
* of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
* See the GNU General Public License for more details.
*
* You should have received a copy of the
* GNU General Public License along with Fabric3.
* If not, see .
*/
package org.fabric3.xquery.introspection;

import javax.xml.stream.XMLStreamException;
import javax.xml.stream.XMLStreamReader;

import org.osoa.sca.annotations.EagerInit;
import org.osoa.sca.annotations.Reference;

import org.fabric3.spi.introspection.IntrospectionContext;
import org.fabric3.spi.introspection.xml.LoaderHelper;
import org.fabric3.spi.introspection.xml.LoaderUtil;
import org.fabric3.spi.introspection.xml.MissingAttribute;
import org.fabric3.spi.introspection.xml.TypeLoader;
import org.fabric3.xquery.scdl.XQueryImplementation;

/**
 * @version $Rev: 9763 $ $Date: 2011-01-03 00:48:06 +0000 (Mon, 03 Jan 2011) $
 */
@EagerInit
public class XQueryImplementationLoader implements TypeLoader {

    private XQueryImplementationProcessor introspector;
    private final LoaderHelper loaderHelper;

    public XQueryImplementationLoader(@Reference XQueryImplementationProcessor introspector, @Reference LoaderHelper loaderHelper) {
        this.introspector = introspector;
        this.loaderHelper = loaderHelper;
    }

    public XQueryImplementation load(XMLStreamReader reader, IntrospectionContext introspectionContext) throws XMLStreamException {
        String location = reader.getAttributeValue(null, "location");

        if (location == null) {
            MissingAttribute failure = new MissingAttribute("No XQuery file location specified", reader);
            introspectionContext.addError(failure);
            return null;
        }

        XQueryImplementation impl = new XQueryImplementation();
        impl.setLocation(location);

        //TODO this should probably be a policy instead 
        String context = reader.getAttributeValue(null, "context");
        if (context != null) {
            impl.setContext(context);
        }


        introspector.introspect(impl, introspectionContext);
        loaderHelper.loadPolicySetsAndIntents(impl, reader, introspectionContext);


        LoaderUtil.skipToEndElement(reader);
        return impl;
    }


}