geonetparams.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.geonet;

import java.util.ArrayList;
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 GeonetParams extends AbstractParams
{
	//--------------------------------------------------------------------------
	//---
	//--- Constructor
	//---
	//--------------------------------------------------------------------------

	public GeonetParams(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 policy   = node.getChild("groupsCopyPolicy");
		Element searches = node.getChild("searches");

		host    = Util.getParam(site, "host",    "");
		port    = Util.getParam(site, "port",    80);
		servlet = Util.getParam(site, "servlet", "geonetwork");

		checkPort(port);
		addSearches(searches);
		addCopyPolicy(policy);
	}

	//---------------------------------------------------------------------------
	//---
	//--- 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");
		Element policy   = node.getChild("groupsCopyPolicy");

		host    = Util.getParam(site, "host",    host);
		port    = Util.getParam(site, "port",    port);
		servlet = Util.getParam(site, "servlet", servlet);

		checkPort(port);

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

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

		if (policy != null)
			addCopyPolicy(policy);
	}

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

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

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

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

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

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

		copy.host    = host;
		copy.port    = port;
		copy.servlet = servlet;

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

		for (Group g : alCopyPolicy)
			copy.alCopyPolicy.add(g.copy());

		return copy;
	}

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

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

		if (searches == null)
			return;

		for (Object o : searches.getChildren("search"))
		{
			Element search = (Element) o;

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

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

	private void addCopyPolicy(Element policy) throws BadInputEx
	{
		alCopyPolicy.clear();

		if (policy == null)
			return;

		for (Object o : policy.getChildren("group"))
		{
			Element group = (Element) o;

			alCopyPolicy.add(new Group(group));
		}
	}

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

	public String  host;
	public int     port;
	public String  servlet;

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

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