//=============================================================================
//=== 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.kernel.harvest.harvester.webdav;
import com.github.sardine.DavResource;
import com.github.sardine.Sardine;
import org.apache.commons.io.IOUtils;
import org.fao.geonet.domain.ISODate;
import org.fao.geonet.kernel.SchemaManager;
import org.fao.geonet.utils.Xml;
import org.jdom.Element;
import java.io.InputStream;
//=============================================================================
class WebDavRemoteFile implements RemoteFile {
private final Sardine sardine;
private String path;
private ISODate changeDate;
public WebDavRemoteFile(Sardine sardine, String baseURL, DavResource davResource) {
this.sardine = sardine;
path = baseURL + davResource.getPath();
changeDate = new ISODate(davResource.getModified().getTime(), false);
}
//---------------------------------------------------------------------------
//---
//--- RemoteFile interface
//---
//---------------------------------------------------------------------------
public String getPath() {
return path;
}
public ISODate getChangeDate() {
return changeDate;
}
//---------------------------------------------------------------------------
public Element getMetadata(SchemaManager schemaMan) throws Exception {
InputStream in = null;
try {
in = sardine.get(path);
return Xml.loadStream(in);
} finally {
IOUtils.closeQuietly(in);
}
}
//---------------------------------------------------------------------------
public boolean isMoreRecentThan(String localChangeDate) {
ISODate remoteDate = changeDate;
ISODate localDate = new ISODate(localChangeDate);
//--- accept if remote date is greater than local date
return (remoteDate.timeDifferenceInSeconds(localDate) > 0);
}
}
//=============================================================================