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.layers;
25:
26: import jeeves.interfaces.Service;
27: import jeeves.server.ServiceConfig;
28: import jeeves.server.context.ServiceContext;
29: import jeeves.utils.Util;
30: import org.jdom.Element;
31: import org.wfp.vam.intermap.Constants;
32: import org.wfp.vam.intermap.kernel.map.MapMerger;
33: import org.wfp.vam.intermap.kernel.map.mapServices.MapService;
34: import org.wfp.vam.intermap.kernel.map.mapServices.wms.WmsService;
35: import org.wfp.vam.intermap.kernel.map.mapServices.wms.schema.type.WMSLayer;
36: import org.wfp.vam.intermap.services.map.MapUtil;
37:
38: public class SetStyle implements Service {
39: public void init(String appPath, ServiceConfig config)
40: throws Exception {
41: }
42:
43: //--------------------------------------------------------------------------
44: //---
45: //--- Service
46: //---
47: //--------------------------------------------------------------------------
48:
49: public Element exec(Element params, ServiceContext context)
50: throws Exception {
51: int layerId = Integer.parseInt(params
52: .getChildText(Constants.MAP_SERVICE_ID));
53: String stylename = Util.getParam(params, "style");
54:
55: // Get the MapMerger object from the user session
56: MapMerger mm = MapUtil.getMapMerger(context);
57: MapService ms = mm.getService(layerId);
58:
59: if (ms == null)
60: throw new IllegalArgumentException("Unknown layer id");
61:
62: if (!(ms instanceof WmsService))
63: throw new IllegalArgumentException("Bad service type");
64:
65: WmsService ws = (WmsService) ms;
66:
67: WMSLayer wlayer = ws.getWmsLayer();
68: if (wlayer.getStyle(stylename) == null)
69: throw new IllegalArgumentException("Unknown style name");
70:
71: ws.setStyleName(stylename);
72:
73: return mm.toElementSimple();
74: }
75:
76: }
77:
78: //=============================================================================
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