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.MapService;
33:
34: //=============================================================================
35:
36: /**
37: */
38:
39: public class ZoomToService implements Service {
40: public void init(String appPath, ServiceConfig config)
41: throws Exception {
42: }
43:
44: //--------------------------------------------------------------------------
45: //---
46: //--- Service
47: //---
48: //--------------------------------------------------------------------------
49:
50: public Element exec(Element params, ServiceContext context)
51: throws Exception {
52: int id = Integer.parseInt(params.getChildText("id"));
53: int width = Integer.parseInt(params.getChildText("width"));
54: int height = Integer.parseInt(params.getChildText("height"));
55:
56: // Get the MapMerger object from the user session
57: MapMerger mm = MapUtil.getMapMerger(context);
58:
59: MapService ms = mm.getService(id);
60: mm.setBoundingBox(ms.getDefBoundingBox());
61: context.getUserSession().setProperty(Constants.SESSION_MAP, mm);
62:
63: // Merge the images now
64: String imagename = mm.merge(width, height);
65: String url = MapUtil.getTempUrl() + "/" + imagename;
66:
67: return new Element("response").addContent(
68: new Element("imgUrl").setText(url)).addContent(
69: new Element("scale").setText(mm.getDistScale()))
70: .addContent(mm.getBoundingBox().toElement())
71: .addContent(new Element("width").setText("" + width))
72: .addContent(new Element("height").setText("" + height));
73: }
74:
75: }
76:
77: //=============================================================================
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