[1001] | 1 | /* |
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| 2 | * Jeti, a Java Jabber client, Copyright (C) 2004 E.S. de Boer |
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| 3 | * |
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| 4 | * This program is free software; you can redistribute it and/or modify |
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| 5 | * it under the terms of the GNU General Public License as published by |
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| 6 | * the Free Software Foundation; either version 2 of the License, or |
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| 7 | * (at your option) any later version. |
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| 8 | * |
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| 9 | * This program is distributed in the hope that it will be useful, |
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| 10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 12 | * GNU General Public License for more details. |
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| 13 | * |
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| 14 | * You should have received a copy of the GNU General Public License |
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| 15 | * along with this program; if not, write to the Free Software |
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| 16 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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| 17 | * |
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| 18 | * For questions, comments etc, |
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| 19 | * use the website at http://jeti.jabberstudio.org |
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| 20 | * or mail me at eric@jeti.tk or Jabber at jeti@jabber.org |
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| 21 | * |
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| 22 | * Created on 8-aug-2004 |
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| 23 | */ |
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| 24 | |
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| 25 | package nu.fw.jeti.util; |
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| 26 | |
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| 27 | import java.io.IOException; |
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| 28 | import java.io.InputStream; |
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| 29 | import java.net.URL; |
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| 30 | import java.util.LinkedList; |
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| 31 | import java.util.List; |
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| 32 | |
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| 33 | import javax.xml.parsers.FactoryConfigurationError; |
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| 34 | import javax.xml.parsers.ParserConfigurationException; |
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| 35 | import javax.xml.parsers.SAXParser; |
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| 36 | import javax.xml.parsers.SAXParserFactory; |
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| 37 | |
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| 38 | import nu.fw.jeti.backend.Start; |
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| 39 | import nu.fw.jeti.jabber.JID; |
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| 40 | import nu.fw.jeti.jabber.elements.DiscoItem; |
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| 41 | |
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| 42 | import org.xml.sax.Attributes; |
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| 43 | import org.xml.sax.SAXException; |
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| 44 | import org.xml.sax.helpers.DefaultHandler; |
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| 45 | |
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| 46 | /** |
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| 47 | * @author E.S. de Boer |
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| 48 | * |
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| 49 | */ |
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| 50 | public class QueryServers |
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| 51 | { |
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| 52 | private static List servers; |
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| 53 | |
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| 54 | public static List getServers() |
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| 55 | { |
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| 56 | if(servers==null) readServerXML(); |
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| 57 | return servers; |
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| 58 | } |
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| 59 | |
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| 60 | private static void readServerXML() |
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| 61 | { |
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| 62 | SAXParser parser=null; |
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| 63 | try{parser = SAXParserFactory.newInstance().newSAXParser();} |
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| 64 | catch (FactoryConfigurationError ex){ex.printStackTrace();} |
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| 65 | catch (SAXException ex){ex.printStackTrace();} |
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| 66 | catch (ParserConfigurationException ex){ex.printStackTrace();} |
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| 67 | InputStream data = null; |
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| 68 | try |
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| 69 | { |
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| 70 | data = (new URL(Start.dataURL + "servers.xml")).openStream(); |
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| 71 | } |
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| 72 | catch (IOException ex) |
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| 73 | { |
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| 74 | //ex.printStackTrace(); |
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| 75 | data = QueryServers.class.getResourceAsStream("/servers.xml"); |
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| 76 | } |
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| 77 | List items = new LinkedList(); |
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| 78 | if(data != null) |
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| 79 | { |
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| 80 | try |
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| 81 | { |
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| 82 | parser.parse(data,new DiscoItemsHandler(items)); |
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| 83 | } |
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| 84 | catch (SAXException ex) |
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| 85 | { |
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| 86 | ex.printStackTrace(); |
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| 87 | } |
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| 88 | catch (IOException ex) |
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| 89 | { |
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| 90 | ex.printStackTrace(); |
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| 91 | } |
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| 92 | } |
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| 93 | servers = items; |
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| 94 | } |
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| 95 | |
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| 96 | |
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| 97 | static class DiscoItemsHandler extends DefaultHandler |
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| 98 | { |
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| 99 | private List items; |
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| 100 | |
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| 101 | public DiscoItemsHandler(List items) |
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| 102 | { |
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| 103 | this.items = items; |
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| 104 | } |
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| 105 | |
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| 106 | public void startElement(String uri, String localName, String qName, Attributes attr) |
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| 107 | { |
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| 108 | if(qName.equals("item")) |
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| 109 | { |
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| 110 | if(items==null)items = new LinkedList(); |
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| 111 | try |
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| 112 | { |
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| 113 | JID jid = JID.checkedJIDFromString(attr.getValue("jid")); |
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| 114 | items.add(new DiscoItem(jid,attr.getValue("name"),attr.getValue("node"),attr.getValue("action"))); |
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| 115 | } catch (InstantiationException e) |
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| 116 | { |
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| 117 | Log.xmlParseException(e); |
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| 118 | } |
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| 119 | } |
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| 120 | } |
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| 121 | } |
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| 122 | } |
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| 123 | /* |
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| 124 | * Overrides for emacs |
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| 125 | * Local variables: |
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| 126 | * tab-width: 4 |
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| 127 | * End: |
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| 128 | */ |
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