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.marker.MarkerSet;
34: import org.wfp.vam.intermap.util.Util;
35:
36: //=============================================================================
37:
38: /** main.result service. shows search results
39: */
40:
41: public class Move 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: int deltax = Integer.parseInt(params.getChildText("deltax"));
55: int deltay = Integer.parseInt(params.getChildText("deltay"));
56:
57: // Get the current image size from request OR from the user session
58: // int width = Util.parseInt(params.getChildText("width"), MapUtil.getImageWidth(context));
59: // int height = Util.parseInt(params.getChildText("height"), MapUtil.getImageHeight(context));
60: // Get the current image size from request
61: int width = Integer.parseInt(params.getChildText("width"));
62: int height = Integer.parseInt(params.getChildText("height"));
63:
64: MapMerger mm = MapUtil.getMapMerger(context);
65:
66: BoundingBox bb = Util.parseBoundingBox(params);
67: if (bb == null)
68: bb = mm.getBoundingBox();
69:
70: // zoom in
71: // System.out.println(deltax + " ----- " + deltay); // DEBUG
72: bb = MapUtil.move(bb, deltax, deltay, width, height);
73: mm.setBoundingBox(bb);
74:
75: // Merge the images now
76:
77: String imagename = mm.merge(width, height);
78: String url = MapUtil.getTempUrl() + "/" + imagename;
79:
80: // Prepare response
81: Element response = new Element("response").addContent(
82: new Element("imgUrl").setText(url)).addContent(
83: new Element("scale").setText(mm.getDistScale()))
84: .addContent(mm.getBoundingBox().toElement())
85: .addContent(new Element("width").setText("" + width))
86: .addContent(new Element("height").setText("" + height));
87:
88: MarkerSet ms = (MarkerSet) context.getUserSession()
89: .getProperty(Constants.SESSION_MARKERSET);
90: if (ms != null)
91: response.addContent(ms.select(mm.getBoundingBox())
92: .toElement());
93:
94: return response;
95: }
96:
97: }
98:
99: //=============================================================================
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