//=============================================================================
//=== 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.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.kernel.KeywordBean;
import org.fao.geonet.kernel.ThesaurusManager;
import org.fao.geonet.kernel.search.KeywordsSearcher;
import org.fao.geonet.languages.IsoLanguagesMapper;
import org.jdom.Element;
import java.util.ArrayList;
import java.util.List;
/**
* Returns a list of keywords given a list of thesaurus. Keywords are returned
* in raw format and XSL output may process the output according to the
* transformation parameter which must match a template name provided in a
* schema plugin.
*
* @author mcoudert
*/
public class GetKeywordById implements Service {
public void init(String appPath, ServiceConfig params) throws Exception {
}
public Element exec(Element params, ServiceContext context)
throws Exception {
String sThesaurusName = Util.getParam(params, "thesaurus");
String uri = Util.getParam(params, "id", null);
String[] lang = Util.getParam(params, "lang", context.getLanguage()).split(",");
final IsoLanguagesMapper mapper = context.getBean(IsoLanguagesMapper.class);
for (int i = 0; i < lang.length; i++) {
lang[i] = mapper.iso639_2_to_iso639_1(lang[i]);
}
boolean multiple = Util.getParam(params, "multiple", false);
KeywordsSearcher searcher = null;
// perform the search and save search result into session
GeonetContext gc = (GeonetContext) context
.getHandlerContext(Geonet.CONTEXT_NAME);
ThesaurusManager thesaurusMan = gc.getBean(ThesaurusManager.class);
Element root = null;
if (uri == null) {
root = new Element("descKeys");
} else {
searcher = new KeywordsSearcher(context, thesaurusMan);
KeywordBean kb = null;
if (!multiple) {
kb = searcher.searchById(uri, sThesaurusName, lang);
if (kb == null) {
root = new Element("descKeys");
} else {
root = KeywordsSearcher.toRawElement(new Element("descKeys"),
kb);
}
} else {
String[] url = uri.split(",");
List<KeywordBean> kbList = new ArrayList<KeywordBean>();
for (int i = 0; i < url.length; i++) {
String currentUri = url[i];
kb = searcher.searchById(currentUri, sThesaurusName, lang);
if (kb == null) {
root = new Element("null");
} else {
kbList.add(kb);
kb = null;
}
}
root = new Element("descKeys");
for (KeywordBean keywordBean : kbList) {
KeywordsSearcher.toRawElement(root, keywordBean);
}
}
}
return root;
}
}
// =============================================================================