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.kernel.harvest.harvester;
25:
26: import java.util.HashMap;
27: import java.util.List;
28: import jeeves.resources.dbms.Dbms;
29: import org.jdom.Element;
30:
31: //=============================================================================
32:
33: /** Loads all categories from the database and creates a mapping
34: * (categ name) -> (categ ID)
35: */
36:
37: public class CategoryMapper {
38: //--------------------------------------------------------------------------
39: //---
40: //--- Constructor
41: //---
42: //--------------------------------------------------------------------------
43:
44: public CategoryMapper(Dbms dbms) throws Exception {
45: String query = "SELECT * FROM Categories";
46:
47: List idsList = dbms.select(query).getChildren();
48:
49: for (int i = 0; i < idsList.size(); i++) {
50: Element record = (Element) idsList.get(i);
51:
52: String id = record.getChildText("id");
53: String name = record.getChildText("name");
54:
55: add(name, id);
56: }
57: }
58:
59: //--------------------------------------------------------------------------
60: //---
61: //--- API methods
62: //---
63: //--------------------------------------------------------------------------
64:
65: public void add(String name, String id) {
66: hmNameId.put(name, id);
67: hmIdName.put(id, name);
68: }
69:
70: //--------------------------------------------------------------------------
71:
72: /** Given a category name returns its id */
73:
74: public String getID(String name) {
75: return hmNameId.get(name);
76: }
77:
78: public String getName(String id) {
79: return hmIdName.get(id);
80: }
81:
82: public boolean exists(String id) {
83: return hmIdName.containsKey(id);
84: }
85:
86: //--------------------------------------------------------------------------
87: //---
88: //--- Variables
89: //---
90: //--------------------------------------------------------------------------
91:
92: private HashMap<String, String> hmNameId = new HashMap<String, String>();
93: private HashMap<String, String> hmIdName = new HashMap<String, String>();
94: }
95:
96: //=============================================================================
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