//=============================================================================
//=== Copyright (C) 2001-2005 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
//===
//=== Contact: Jeroen Ticheler - FAO - Viale delle Terme di Caracalla 2,
//=== Rome - Italy. email: GeoNetwork@fao.org
//==============================================================================
package org.fao.geonet.services.thesaurus;
import jeeves.constants.Jeeves;
import jeeves.interfaces.Service;
import jeeves.server.ServiceConfig;
import jeeves.server.UserSession;
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.kernel.KeywordBean;
import org.fao.geonet.kernel.Thesaurus;
import org.fao.geonet.kernel.ThesaurusManager;
import org.fao.geonet.kernel.search.KeywordsSearcher;
import org.jdom.Element;
import java.util.Iterator;
import java.util.List;
/**
* For editing : removes a concept from a thesaurus.
* Use parameter "namespace" and "code" to remove a specific concept, if not
* set, the current selection is removed ({@link org.fao.geonet.services.thesaurus.SelectKeywords}).
*
* Access is restricted
*/
public class DeleteElement implements Service {
public void init(String appPath, ServiceConfig params) throws Exception {
}
public Element exec(Element params, ServiceContext context) throws Exception {
GeonetContext gc = (GeonetContext) context.getHandlerContext(Geonet.CONTEXT_NAME);
UserSession session = context.getUserSession();
// Retrieve thesaurus
String sThesaurusName = Util.getParam(params, "pThesaurus");
ThesaurusManager thesaurusMan = gc.getBean(ThesaurusManager.class);
Thesaurus thesaurus = thesaurusMan.getThesaurusByName(sThesaurusName);
// Optional keyword info - if none, selection is used
String code = Util.getParam(params, "id", "");
if ("".equals(code)) {
KeywordsSearcher searcher = (KeywordsSearcher) session
.getProperty(Geonet.Session.SEARCH_KEYWORDS_RESULT);
List<?> keywords = searcher.getSelectedKeywordsInList();
Iterator<?> iter = keywords.iterator();
while (iter.hasNext()) {
KeywordBean keyword = (KeywordBean) iter.next();
thesaurus.removeElement(keyword);
}
} else {
thesaurus.removeElement(code);
}
Element elResp = new Element(Jeeves.Elem.RESPONSE);
return elResp;
}
}