Package org.exoplatform.application.gadget.impl

Source Code of org.exoplatform.application.gadget.impl.SourceStorageImpl

/*
* Copyright (C) 2009 eXo Platform SAS.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.exoplatform.application.gadget.impl;

import java.util.Calendar;

import org.exoplatform.application.gadget.Gadget;
import org.exoplatform.application.gadget.GadgetRegistryService;
import org.exoplatform.application.gadget.Source;
import org.exoplatform.application.gadget.SourceStorage;

/**
* @author <a href="mailto:julien.viet@exoplatform.com">Julien Viet</a>
* @version $Revision$
*/
public class SourceStorageImpl implements SourceStorage {
    /** . */
    private GadgetRegistryServiceImpl gadgetRegistryService;

    public SourceStorageImpl(GadgetRegistryService gadgetRegistryService) {
        this.gadgetRegistryService = (GadgetRegistryServiceImpl) gadgetRegistryService;
    }

    public Source getSource(Gadget gadget) throws Exception {
        GadgetDefinition def = gadgetRegistryService.getRegistry().getGadget(gadget.getName());

        //
        if (def == null) {
            return null;
        }

        //
        GadgetData data = def.getData();
        if (data instanceof LocalGadgetData) {
            LocalGadgetData localData = (LocalGadgetData) data;
            String content = localData.getSource();
            Calendar lastModified = Calendar.getInstance();
            lastModified.setTime(localData.getLastModified());

            //
            Source source = new Source(gadget.getName());
            source.setMimeType(LocalGadgetData.GADGET_MIME_TYPE);
            source.setLastModified(lastModified);
            source.setTextContent(content);

            //
            return source;
        } else {
            throw new IllegalArgumentException("The provided gadget is remote");
        }
    }

    public void saveSource(Gadget gadget, Source source) throws Exception {
        if (gadget == null) {
            throw new NullPointerException();
        }
        if (source == null) {
            throw new NullPointerException();
        }

        //
        GadgetRegistry registry = gadgetRegistryService.getRegistry();

        //
        GadgetDefinition def = registry.getGadget(gadget.getName());

        //
        GadgetData data = def.getData();
        if (data instanceof LocalGadgetData) {
            LocalGadgetData localData = (LocalGadgetData) data;
            localData.setSource(source.getTextContent());
        } else {
            throw new IllegalArgumentException("The provided gadget is remote");
        }
    }

    public void removeSource(String sourcePath) {
        // No op
    }

    public String getSourceURI(String sourcePath) {
        throw new UnsupportedOperationException("Cannot obtain URI from source " + sourcePath);
    }
}
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