cswparams.java

联合国农粮署牵头开发的geonetwork源代码最新版

//=============================================================================
//===	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: [e-mail]
//==============================================================================

package org.fao.geonet.kernel.harvest.harvester.csw;

import java.util.ArrayList;
import java.util.Iterator;
import jeeves.exceptions.BadInputEx;
import jeeves.utils.Util;
import org.fao.geonet.kernel.DataManager;
import org.fao.geonet.kernel.harvest.harvester.AbstractParams;
import org.jdom.Element;

//=============================================================================

public class CswParams extends AbstractParams
{
	//--------------------------------------------------------------------------
	//---
	//--- Constructor
	//---
	//--------------------------------------------------------------------------

	public CswParams(DataManager dm)
	{
		super(dm);
	}

	//---------------------------------------------------------------------------
	//---
	//--- Create : called when a new entry must be added. Reads values from the
	//---          provided entry, providing default values
	//---
	//---------------------------------------------------------------------------

	public void create(Element node) throws BadInputEx
	{
		super.create(node);

		Element site     = node.getChild("site");
		Element searches = node.getChild("searches");

		capabUrl = Util.getParam(site, "capabilitiesUrl", "");
		icon     = Util.getParam(site, "icon",            "default.gif");

		addSearches(searches);
	}

	//---------------------------------------------------------------------------
	//---
	//--- Update : called when an entry has changed and variables must be updated
	//---
	//---------------------------------------------------------------------------

	public void update(Element node) throws BadInputEx
	{
		super.update(node);

		Element site     = node.getChild("site");
		Element searches = node.getChild("searches");

		capabUrl = Util.getParam(site, "capabilitiesUrl", capabUrl);
		icon     = Util.getParam(site, "icon",            icon);

		//--- if some search queries are given, we drop the previous ones and
		//--- set these new ones

		if (searches != null)
			addSearches(searches);
	}

	//---------------------------------------------------------------------------
	//---
	//--- Other API methods
	//---
	//---------------------------------------------------------------------------

	public Iterable<Search> getSearches() { return alSearches; }

	//---------------------------------------------------------------------------

	public boolean isSearchEmpty() { return alSearches.isEmpty(); }

	//---------------------------------------------------------------------------

	public CswParams copy()
	{
		CswParams copy = new CswParams(dm);
		copyTo(copy);

		copy.capabUrl = capabUrl;
		copy.icon     = icon;

		for (Search s : alSearches)
			copy.alSearches.add(s.copy());

		return copy;
	}

	//---------------------------------------------------------------------------
	//---
	//--- Private methods
	//---
	//---------------------------------------------------------------------------

	private void addSearches(Element searches)
	{
		alSearches.clear();

		if (searches == null)
			return;

		Iterator searchList = searches.getChildren("search").iterator();

		while (searchList.hasNext())
		{
			Element search = (Element) searchList.next();

			alSearches.add(new Search(search));
		}
	}

	//---------------------------------------------------------------------------
	//---
	//--- Variables
	//---
	//---------------------------------------------------------------------------

	public String capabUrl;
	public String icon;

	private ArrayList<Search> alSearches = new ArrayList<Search>();
}

//=============================================================================