//=============================================================================
//=== 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.oaipmh.util;
import java.util.Map;
import org.fao.geonet.domain.ISODate;
import org.fao.oaipmh.OaiPmh;
import org.jdom.Element;
//=============================================================================
public class Lib
{
//---------------------------------------------------------------------------
//---
//--- API methods
//---
//---------------------------------------------------------------------------
public static Element createOaiRoot()
{
Element root = new Element(OaiPmh.ROOT_NAME, OaiPmh.Namespaces.OAI_PMH);
root.setAttribute("schemaLocation", OaiPmh.SCHEMA_LOCATION, OaiPmh.Namespaces.XSI);
Element date = new Element("responseDate", OaiPmh.Namespaces.OAI_PMH)
.setText(new ISODate().getDateAndTime() +"Z");
root.addContent(date);
return root;
}
//---------------------------------------------------------------------------
public static Element createOaiRoot(String url, Map<String, String> params, Element response)
{
Element root = Lib.createOaiRoot();
Element req = new Element("request", OaiPmh.Namespaces.OAI_PMH)
.setText(url);
//--- if there is no verb, there are no params
if (params != null) {
for (Map.Entry<String, String> param: params.entrySet()) {
req.setAttribute(param.getKey(), param.getValue());
}
}
root.addContent(req);
root.addContent(response);
return root;
}
//---------------------------------------------------------------------------
public static void add(Element parent, String name, String value)
{
parent.addContent(new Element(name, OaiPmh.Namespaces.OAI_PMH).setText(value));
}
//---------------------------------------------------------------------------
/** Checks if the response has a valid OAI-PMH root node */
public static boolean isRootValid(Element response)
{
if (!response.getName().equals(OaiPmh.ROOT_NAME))
return false;
if (!response.getNamespace().equals(OaiPmh.Namespaces.OAI_PMH))
return false;
return true;
}
//---------------------------------------------------------------------------
public static boolean isInteger(String value)
{
try
{
Integer.parseInt(value);
return true;
}
catch(Exception e)
{
return false;
}
}
}
//=============================================================================