01: package net.sourceforge.squirrel_sql.client.mainframe.action;
02:
03: /*
04: * Copyright (C) 2002-2003 Colin Bell
05: * colbell@users.sourceforge.net
06: *
07: * This library is free software; you can redistribute it and/or
08: * modify it under the terms of the GNU Lesser General Public
09: * License as published by the Free Software Foundation; either
10: * version 2.1 of the License, or (at your option) any later version.
11: *
12: * This library 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 GNU
15: * Lesser General Public License for more details.
16: *
17: * You should have received a copy of the GNU Lesser General Public
18: * License along with this library; if not, write to the Free Software
19: * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20: */
21: import java.io.IOException;
22: import java.net.URL;
23:
24: import net.sourceforge.squirrel_sql.client.gui.db.DataCache;
25: import net.sourceforge.squirrel_sql.fw.util.BaseException;
26: import net.sourceforge.squirrel_sql.fw.util.ICommand;
27:
28: import net.sourceforge.squirrel_sql.client.IApplication;
29:
30: /**
31: * This <CODE>ICommand</CODE> allows the user to install the defautl drivers.
32: *
33: * @author <A HREF="mailto:colbell@users.sourceforge.net">Colin Bell</A>
34: */
35: public class InstallDefaultDriversCommand implements ICommand {
36: /** Application API. */
37: private final IApplication _app;
38:
39: /** URL to load drivers from. */
40: private final URL _url;
41:
42: /**
43: * Ctor.
44: *
45: * @param app Application API.
46: * @param url URL to load drivers from.
47: *
48: * @throws IllegalArgumentException Thrown if <TT>null</TT>
49: * <TT>IApplication</TT> passed.
50: * @throws IllegalArgumentException Thrown if <TT>null</TT>
51: * <TT>URL</TT> passed.
52: */
53: public InstallDefaultDriversCommand(IApplication app, URL url) {
54: super ();
55: if (app == null) {
56: throw new IllegalArgumentException("IApplication == null");
57: }
58: if (url == null) {
59: throw new IllegalArgumentException("URL == null");
60: }
61:
62: _app = app;
63: _url = url;
64: }
65:
66: /**
67: * Load the default drivers into the cache and then
68: * make sure that the drivers list is showing all
69: * drivers.
70: */
71: public void execute() throws BaseException {
72: try {
73: final DataCache cache = _app.getDataCache();
74: cache.loadDefaultDrivers(_url);
75: new ShowLoadedDriversOnlyCommand(_app, false).execute();
76: } catch (IOException ex) {
77: throw new BaseException(ex);
78: }
79: }
80: }
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