//=============================================================================
//=== 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.metadata;
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.constants.Params;
import org.fao.geonet.csw.common.Csw;
import org.fao.geonet.domain.ReservedOperation;
import org.fao.geonet.exceptions.MetadataNotFoundEx;
import org.fao.geonet.kernel.DataManager;
import org.fao.geonet.kernel.XmlSerializer;
import org.fao.geonet.lib.Lib;
import org.fao.geonet.services.Utils;
import org.jdom.Attribute;
import org.jdom.Element;
import org.jdom.Namespace;
/**
* Retrieves a particular metadata. Access is restricted
*/
public class View extends ShowViewBaseService {
public void
init(String appPath, ServiceConfig params) throws Exception {
super.init(appPath, params);
}
public Element exec(Element params, ServiceContext context)
throws Exception {
UserSession session = context.getUserSession();
boolean witholdWithheldElements = Util.getParam(params, "hide_withheld", false);
if (witholdWithheldElements) {
XmlSerializer.getThreadLocal(true).setForceFilterEditOperation(witholdWithheldElements);
}
// -----------------------------------------------------------------------
// --- handle current tab
Element elCurrTab = params.getChild(Params.CURRTAB);
if (elCurrTab != null)
session.setProperty(Geonet.Session.METADATA_SHOW,
elCurrTab.getText());
// -----------------------------------------------------------------------
// --- check access
GeonetContext gc = (GeonetContext) context
.getHandlerContext(Geonet.CONTEXT_NAME);
DataManager dm = gc.getBean(DataManager.class);
String id = Utils.getIdentifierFromParameters(params, context);
if (!skipPopularity) { // skipPopularity could be a URL param as well
String skip = Util.getParam(params, "skipPopularity", "n");
skipPopularity = skip.equals("y");
}
if (id == null)
throw new MetadataNotFoundEx("Metadata not found.");
Lib.resource.checkPrivilege(context, id, ReservedOperation.view);
// -----------------------------------------------------------------------
// --- get metadata
Element elMd;
boolean addEditing = false;
if (!skipInfo) {
boolean withValidationErrors = false, keepXlinkAttributes = false;
elMd = dm.getMetadata(context, id, addEditing, withValidationErrors, keepXlinkAttributes);
} else {
elMd = dm.getMetadataNoInfo(context, id);
}
if (elMd == null)
throw new MetadataNotFoundEx(id);
if (addRefs) { // metadata.show for GeoNetwork needs geonet:element
elMd = dm.enumerateTree(elMd);
}
//
// setting schemaLocation
// TODO currently it's only set for ISO metadata - this should all move
// to
// the updatefixedinfo.xsl for each schema
// do not set schemaLocation if it is already there
if (elMd.getAttribute("schemaLocation", Csw.NAMESPACE_XSI) == null) {
Namespace gmdNs = elMd.getNamespace("gmd");
// document has ISO root element and ISO namespace
if (gmdNs != null
&& gmdNs.getURI()
.equals("http://www.isotc211.org/2005/gmd")) {
String schemaLocation;
// if document has srv namespace then add srv schemaLocation
if (elMd.getNamespace("srv") != null) {
schemaLocation = " http://www.isotc211.org/2005/srv http://schemas.opengis.net/iso/19139/20060504/srv/srv.xsd";
}
// otherwise add gmd schemaLocation
// (but not both! as that is invalid, the schemas describe
// partially the same schema types)
else {
schemaLocation = "http://www.isotc211.org/2005/gmd http://www.isotc211.org/2005/gmd/gmd.xsd";
}
Attribute schemaLocationA = new Attribute("schemaLocation",
schemaLocation, Csw.NAMESPACE_XSI);
elMd.setAttribute(schemaLocationA);
}
}
// --- increase metadata popularity
if (!skipPopularity)
dm.increasePopularity(context, id);
return elMd;
}
}