01: /*
02: * The Unified Mapping Platform (JUMP) is an extensible, interactive GUI
03: * for visualizing and manipulating spatial features with geometry and attributes.
04: *
05: * Copyright (C) 2003 Vivid Solutions
06: *
07: * This program is free software; you can redistribute it and/or
08: * modify it under the terms of the GNU General Public License
09: * as published by the Free Software Foundation; either version 2
10: * of the License, or (at your option) any later version.
11: *
12: * This program is distributed in the hope that it will be useful,
13: * but WITHOUT ANY WARRANTY; without even the implied warranty of
14: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15: * GNU General Public License for more details.
16: *
17: * You should have received a copy of the GNU General Public License
18: * along with this program; if not, write to the Free Software
19: * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
20: *
21: * For more information, contact:
22: *
23: * Vivid Solutions
24: * Suite #1A
25: * 2328 Government Street
26: * Victoria BC V8T 5G5
27: * Canada
28: *
29: * (250)385-6040
30: * www.vividsolutions.com
31: */
32: package com.vividsolutions.jump.workbench.datasource;
33:
34: import java.util.ArrayList;
35: import java.util.Collections;
36: import java.util.List;
37:
38: import com.vividsolutions.jump.util.Blackboard;
39:
40: /**
41: * Registry for DataSourceQueryChoosers which plug-ins may add to when the
42: * JUMP Workbench starts up.
43: */
44: public class DataSourceQueryChooserManager {
45: private ArrayList loadDataSourceQueryChoosers = new ArrayList();
46:
47: public List getLoadDataSourceQueryChoosers() {
48: return Collections
49: .unmodifiableList(loadDataSourceQueryChoosers);
50: }
51:
52: public DataSourceQueryChooserManager addLoadDataSourceQueryChooser(
53: DataSourceQueryChooser chooser) {
54: loadDataSourceQueryChoosers.add(chooser);
55: return this ;
56: }
57:
58: private ArrayList saveDataSourceQueryChoosers = new ArrayList();
59:
60: public List getSaveDataSourceQueryChoosers() {
61: return Collections
62: .unmodifiableList(saveDataSourceQueryChoosers);
63: }
64:
65: public DataSourceQueryChooserManager addSaveDataSourceQueryChooser(
66: DataSourceQueryChooser chooser) {
67: saveDataSourceQueryChoosers.add(chooser);
68: return this ;
69: }
70:
71: /**
72: * @param blackboard typically the Workbench blackboard
73: */
74: public static DataSourceQueryChooserManager get(
75: Blackboard blackboard) {
76: return (DataSourceQueryChooserManager) blackboard.get(
77: DataSourceQueryChooserManager.class.getName()
78: + " - INSTANCE",
79: new DataSourceQueryChooserManager());
80: }
81: }
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