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.services.metadata;
25:
26: import jeeves.constants.Jeeves;
27: import jeeves.interfaces.Service;
28: import jeeves.resources.dbms.Dbms;
29: import jeeves.server.ServiceConfig;
30: import jeeves.server.context.ServiceContext;
31: import jeeves.utils.Util;
32: import org.fao.geonet.GeonetContext;
33: import org.fao.geonet.constants.Geonet;
34: import org.fao.geonet.constants.Params;
35: import org.fao.geonet.exceptions.ConcurrentUpdateEx;
36: import org.fao.geonet.kernel.AccessManager;
37: import org.fao.geonet.kernel.DataManager;
38: import org.jdom.Element;
39:
40: //=============================================================================
41:
42: /** For editing : removes a tag from a metadata. Access is restricted
43: */
44:
45: public class DeleteElement implements Service {
46: //--------------------------------------------------------------------------
47: //---
48: //--- Init
49: //---
50: //--------------------------------------------------------------------------
51:
52: public void init(String appPath, ServiceConfig params)
53: throws Exception {
54: }
55:
56: //--------------------------------------------------------------------------
57: //---
58: //--- Service
59: //---
60: //--------------------------------------------------------------------------
61:
62: public Element exec(Element params, ServiceContext context)
63: throws Exception {
64: EditUtils.preprocessUpdate(params, context);
65:
66: GeonetContext gc = (GeonetContext) context
67: .getHandlerContext(Geonet.CONTEXT_NAME);
68: DataManager dataMan = gc.getDataManager();
69:
70: Dbms dbms = (Dbms) context.getResourceManager().open(
71: Geonet.Res.MAIN_DB);
72:
73: String id = Util.getParam(params, Params.ID);
74: String ref = Util.getParam(params, Params.REF);
75:
76: //-----------------------------------------------------------------------
77: //--- delete element and return status
78:
79: EditUtils.updateContent(params, context);
80:
81: // version already checked in updateContent
82: if (!dataMan.deleteElement(dbms, id, ref, null))
83: throw new ConcurrentUpdateEx(id);
84:
85: Element elResp = new Element(Jeeves.Elem.RESPONSE);
86: elResp.addContent(new Element(Geonet.Elem.ID).setText(id));
87:
88: return elResp;
89: }
90: }
91:
92: //=============================================================================
|