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/*
* Fabric3
* Copyright (c) 2009-2013 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
* you are not obligated to do so. If you do not wish to do so,
* 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.contribution.processor;

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

import org.oasisopen.sca.annotation.EagerInit;
import org.oasisopen.sca.annotation.Reference;

import org.fabric3.host.Namespaces;
import org.fabric3.host.contribution.InstallException;
import org.fabric3.spi.contribution.Contribution;
import org.fabric3.spi.contribution.Resource;
import org.fabric3.spi.contribution.xml.XmlProcessor;
import org.fabric3.spi.contribution.xml.XmlProcessorRegistry;
import org.fabric3.spi.contribution.xml.XmlResourceElementLoader;
import org.fabric3.spi.introspection.IntrospectionContext;

/**
 * Processes a contributed deployment plan file.
 */
@EagerInit
public class DeploymentPlanXmlProcessor implements XmlProcessor {
    private static final QName PLAN = new QName(Namespaces.F3, "plan");
    private XmlResourceElementLoader loader;

    public DeploymentPlanXmlProcessor(@Reference(name = "processorRegistry") XmlProcessorRegistry processorRegistry,
                                      @Reference(name = "loader") XmlResourceElementLoader loader) {
        this.loader = loader;
        processorRegistry.register(this);
    }

    public QName getType() {
        return PLAN;
    }

    public void processContent(Contribution contribution, XMLStreamReader reader, IntrospectionContext context)  throws InstallException {
        try {
            assert contribution.getResources().size() == 1;
            Resource resource = contribution.getResources().get(0);
            loader.load(reader, resource, context);
        } catch (XMLStreamException e) {
            throw new InstallException(e);
        }
    }
}