//=============================================================================
//=== 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.main;
import jeeves.interfaces.Service;
import jeeves.server.ServiceConfig;
import jeeves.server.UserSession;
import jeeves.server.context.ServiceContext;
import org.apache.commons.lang.StringUtils;
import org.fao.geonet.GeonetContext;
import org.fao.geonet.constants.Geonet;
import org.fao.geonet.kernel.SelectionManager;
import org.fao.geonet.kernel.search.LuceneSearcher;
import org.fao.geonet.kernel.search.MetaSearcher;
import org.fao.geonet.kernel.search.SearchManager;
import org.jdom.Element;
import java.util.Iterator;
//=============================================================================
public class SelectionSearch implements Service
{
private ServiceConfig _config;
//--------------------------------------------------------------------------
//---
//--- Init
//---
//--------------------------------------------------------------------------
public void init(String appPath, ServiceConfig config) throws Exception
{
_config = config;
}
/*
* Get the current search and add an uuid params
* with the list of records contain in the
* selection manager.
*
*/
public Element exec(Element params, ServiceContext context) throws Exception
{
GeonetContext gc = (GeonetContext) context.getHandlerContext(Geonet.CONTEXT_NAME);
SearchManager searchMan = gc.getBean(SearchManager.class);
String restoreLastSearch = _config.getValue("restoreLastSearch","no");
// store or possibly close old searcher
UserSession session = context.getUserSession();
Object oldSearcher = session.getProperty(Geonet.Session.SEARCH_RESULT);
if (oldSearcher != null) {
if (restoreLastSearch.equals("yes")) {
session.setProperty(Geonet.Session.LAST_SEARCH_RESULT, oldSearcher);
} else {
if (oldSearcher instanceof LuceneSearcher) ((LuceneSearcher)oldSearcher).close();
}
}
context.info("Get selected metadata");
SelectionManager sm = SelectionManager.getManager(session) ;
// Get the sortBy params in order to apply on new result list.
if (StringUtils.isNotEmpty(params.getChildText(Geonet.SearchResult.SORT_BY)) ) {
params.addContent(new Element(Geonet.SearchResult.SORT_BY).setText(params.getChildText(Geonet.SearchResult.SORT_BY)));
}
if (StringUtils.isNotEmpty(params.getChildText(Geonet.SearchResult.SORT_ORDER))) {
params.addContent(new Element(Geonet.SearchResult.SORT_ORDER).setText(params.getChildText(Geonet.SearchResult.SORT_ORDER)));
}
if (sm != null) {
String uuids= "";
boolean first = true;
synchronized(sm.getSelection("metadata")) {
for (Iterator<String> iter = sm.getSelection("metadata").iterator(); iter.hasNext();) {
String uuid = (String) iter.next();
if (first) {
uuids = (String) uuid;
first = false;
}
else
uuids = uuids +" or "+ uuid;
}
}
if(context.isDebugEnabled())
context.debug("List of selected uuids: " + uuids);
params.addContent(new Element(Geonet.SearchResult.UUID).setText(uuids));
}
// perform the search and save search result into session
MetaSearcher searcher;
context.info("Creating searchers");
searcher = searchMan.newSearcher(SearchManager.LUCENE, Geonet.File.SEARCH_LUCENE);
searcher.search(context, params, _config);
session.setProperty(Geonet.Session.SEARCH_RESULT, searcher);
context.info("Getting summary");
Element summary = searcher.getSummary();
summary.addContent(new Element(Geonet.SearchResult.RESTORELASTSEARCH).setText(restoreLastSearch));
return summary;
}
}
//=============================================================================