//=============================================================================
//=== Copyright (C) 2001-2007 Food and Agriculture Organization of the
//=== United Nations (FAO-UN), United Nations World Food Programme (WFP)
//=== and United Nations Environment Programme (UNEP)
//===
//=== This program 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 2 of the License, or (at
//=== your option) any later version.
//===
//=== This program 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 this program; if not, write to the Free Software
//=== Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
//===
//=== Contact: Jeroen Ticheler - FAO - Viale delle Terme di Caracalla 2,
//=== Rome - Italy. email: geonetwork@osgeo.org
//==============================================================================
package org.fao.geonet.services.thumbnail;
import jeeves.interfaces.Service;
import jeeves.server.ServiceConfig;
import jeeves.server.context.ServiceContext;
import org.fao.geonet.Util;
import org.fao.geonet.GeonetContext;
import org.fao.geonet.constants.Geonet;
import org.fao.geonet.constants.Params;
import org.fao.geonet.kernel.DataManager;
import org.fao.geonet.services.metadata.Update;
import org.jdom.Element;
import java.util.List;
//=============================================================================
public class Get implements Service
{
private Update update = new Update();
//--------------------------------------------------------------------------
//---
//--- Init
//---
//--------------------------------------------------------------------------
public void init(String appPath, ServiceConfig params) throws Exception
{
update.init(appPath, params);
}
//--------------------------------------------------------------------------
//---
//--- Service
//---
//--------------------------------------------------------------------------
public Element exec(Element params, ServiceContext context) throws Exception
{
//--- store changed fields if we arrive here from the editing form
//--- the update service uses the following parameters:
//--- id, data, validate, currTab, version
if (saveEditData(params))
//--- data is not saved if someone else has changed the metadata
update.exec(params, context);
GeonetContext gc = (GeonetContext) context.getHandlerContext(Geonet.CONTEXT_NAME);
DataManager dataMan = gc.getBean(DataManager.class);
String id = Util.getParam(params, Params.ID);
//-----------------------------------------------------------------------
//--- get metadata
Element result = dataMan.getThumbnails(context, id);
if (result == null)
throw new IllegalArgumentException("Metadata not found --> " + id);
result.addContent(new Element("version").setText(dataMan.getNewVersion(id)));
return result;
}
//--------------------------------------------------------------------------
//---
//--- Private methods
//---
//--------------------------------------------------------------------------
private boolean saveEditData(Element params)
{
@SuppressWarnings("unchecked")
List<Element> list = params.getChildren();
for (Element el : list) {
if (el.getName().startsWith("_"))
return true;
}
return false;
}
}
//=============================================================================