//=============================================================================
//=== 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.resources;
import org.fao.geonet.exceptions.ObjectNotFoundEx;
import org.fao.geonet.exceptions.OperationAbortedEx;
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.lib.Lib;
import org.fao.geonet.services.NotInReadOnlyModeService;
import org.fao.geonet.services.Utils;
import org.fao.geonet.services.metadata.Update;
import org.fao.geonet.services.resources.handlers.IResourceRemoveHandler;
import org.jdom.Element;
import java.io.File;
/**
* Deletes an uploaded file from the database when a record is in editing mode.
*/
public class Remove extends NotInReadOnlyModeService {
private Update update = new Update();
//-----------------------------------------------------------------------------
//---
//--- Init
//---
//-----------------------------------------------------------------------------
public void init(String appPath, ServiceConfig params) throws Exception
{
update.init(appPath, params);
}
//-----------------------------------------------------------------------------
//---
//--- Service
//---
//-----------------------------------------------------------------------------
public Element serviceSpecificExec(Element params, ServiceContext context) throws Exception
{
GeonetContext gc = (GeonetContext) context.getHandlerContext(Geonet.CONTEXT_NAME);
DataManager dataMan = gc.getBean(DataManager.class);
String id = Utils.getIdentifierFromParameters(params, context);
String ref = Util.getParam(params, Params.REF);
String access = Util.getParam(params, Params.ACCESS);
Lib.resource.checkEditPrivilege(context, id);
// get online resource name
boolean forEditing = true, withValidationErrors = false, keepXlinkAttributes = false;
Element metadata = dataMan.getMetadata(context, id, forEditing, withValidationErrors, keepXlinkAttributes);
Element elem = dataMan.getElementByRef(metadata, ref);
if (elem == null)
throw new ObjectNotFoundEx("element with ref='" + ref + "'");
String fname = elem.getText();
// Remove the file and update the file upload/downloads tables
IResourceRemoveHandler removeHook = (IResourceRemoveHandler) context.getApplicationContext().getBean("resourceRemoveHandler");
removeHook.onDelete(context, params, Integer.parseInt(id), fname, access);
// update the metadata
params.addContent(new Element("_" + ref));
Element version = params.getChild("version");
version.setText((Integer.parseInt(version.getText()) + 1) + "");
return update.exec(params, context);
}
}