01: //=============================================================================
02: //=== Copyright (C) 2001-2007 Food and Agriculture Organization of the
03: //=== United Nations (FAO-UN), United Nations World Food Programme (WFP)
04: //=== and United Nations Environment Programme (UNEP)
05: //===
06: //=== This program is free software; you can redistribute it and/or modify
07: //=== it under the terms of the GNU General Public License as published by
08: //=== the Free Software Foundation; either version 2 of the License, or (at
09: //=== your option) any later version.
10: //===
11: //=== This program is distributed in the hope that it will be useful, but
12: //=== WITHOUT ANY WARRANTY; without even the implied warranty of
13: //=== MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14: //=== General Public License for more details.
15: //===
16: //=== You should have received a copy of the GNU General Public License
17: //=== along with this program; if not, write to the Free Software
18: //=== Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
19: //===
20: //=== Contact: Jeroen Ticheler - FAO - Viale delle Terme di Caracalla 2,
21: //=== Rome - Italy. email: geonetwork@osgeo.org
22: //==============================================================================
23:
24: package org.fao.geonet.kernel.harvest.harvester.webdav;
25:
26: import java.io.IOException;
27: import jeeves.utils.Xml;
28: import org.apache.commons.httpclient.HttpException;
29: import org.apache.webdav.lib.WebdavResource;
30: import org.fao.geonet.util.ISODate;
31: import org.jdom.Element;
32: import org.jdom.JDOMException;
33:
34: //=============================================================================
35:
36: class WebDavRemoteFile implements RemoteFile {
37: //---------------------------------------------------------------------------
38: //---
39: //--- Constructor
40: //---
41: //---------------------------------------------------------------------------
42:
43: public WebDavRemoteFile(WebdavResource wr) {
44: this .wr = wr;
45:
46: path = wr.getPath();
47: changeDate = new ISODate(wr.getGetLastModified()).toString();
48: }
49:
50: //---------------------------------------------------------------------------
51: //---
52: //--- RemoteFile interface
53: //---
54: //---------------------------------------------------------------------------
55:
56: public String getPath() {
57: return path;
58: }
59:
60: public String getChangeDate() {
61: return changeDate;
62: }
63:
64: //---------------------------------------------------------------------------
65:
66: public Element getMetadata() throws JDOMException, IOException,
67: Exception {
68: try {
69: wr.setPath(path);
70: return Xml.loadStream(wr.getMethodData());
71: } catch (HttpException e) {
72: throw new Exception("WebDav exception : " + e.getReason());
73: }
74: }
75:
76: //---------------------------------------------------------------------------
77:
78: public boolean isMoreRecentThan(String localChangeDate) {
79: ISODate remoteDate = new ISODate(changeDate);
80: ISODate localDate = new ISODate(localChangeDate);
81:
82: //--- accept if remote date is greater than local date
83:
84: return (remoteDate.sub(localDate) > 0);
85: }
86:
87: //---------------------------------------------------------------------------
88: //---
89: //--- Variables
90: //---
91: //---------------------------------------------------------------------------
92:
93: private String path;
94: private String changeDate;
95:
96: private WebdavResource wr;
97: }
98:
99: //=============================================================================
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