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.wfp.vam.intermap.services.map;
25:
26: import jeeves.interfaces.Service;
27: import jeeves.server.ServiceConfig;
28: import jeeves.server.context.ServiceContext;
29: import org.jdom.Element;
30: import org.wfp.vam.intermap.Constants;
31: import org.wfp.vam.intermap.kernel.map.MapMerger;
32: import org.wfp.vam.intermap.kernel.map.mapServices.BoundingBox;
33: import org.wfp.vam.intermap.kernel.map.mapServices.MapService;
34: import org.wfp.vam.intermap.util.Util;
35:
36: //=============================================================================
37:
38: /** main.result service. shows search results
39: */
40:
41: public class Identify implements Service {
42: public void init(String appPath, ServiceConfig config)
43: throws Exception {
44: }
45:
46: //--------------------------------------------------------------------------
47: //---
48: //--- Service
49: //---
50: //--------------------------------------------------------------------------
51:
52: public Element exec(Element params, ServiceContext context)
53: throws Exception {
54: // Get request parameters
55: String activeLayer = params.getChildText("activeLayer");
56: int x = Integer.parseInt(params.getChildText("mapimgx"));
57: int y = Integer.parseInt(params.getChildText("mapimgy"));
58: int width = Integer.parseInt(params.getChildText("width"));
59: int height = Integer.parseInt(params.getChildText("height"));
60: BoundingBox bb = Util.parseBoundingBox(params); // search bb in params
61:
62: String responseFormat = params
63: .getChildText(Constants.IDENTIFY_FORMAT);
64:
65: // Get the MapMerger object from the user session
66: MapMerger mm = MapUtil.getMapMerger(context);
67: mm.setBoundingBox(bb);
68:
69: if ("".equals(activeLayer))
70: return null;
71:
72: int service = Integer.parseInt(activeLayer);
73: MapService ms = mm.getService(service);
74: ms.identify(0, x, y, width, height, Constants.PIXEL_TOLERANCE,
75: responseFormat);
76: return new Element("response").addContent(ms.toElement());
77: }
78:
79: }
80:
81: //=============================================================================
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