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nl.toolforge.karma.core.cmd.impl.SelectManifest	0%	0%

1		/*
2		Karma core - Core of the Karma application
3		Copyright (C) 2004 Toolforge <www.toolforge.nl>
4
5		This library is free software; you can redistribute it and/or
6		modify it under the terms of the GNU Lesser General Public
7		License as published by the Free Software Foundation; either
8		version 2.1 of the License, or (at your option) any later version.
9
10		This library is distributed in the hope that it will be useful,
11		but WITHOUT ANY WARRANTY; without even the implied warranty of
12		MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13		Lesser General Public License for more details.
14
15		You should have received a copy of the GNU Lesser General Public
16		License along with this library; if not, write to the Free Software
17		Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18		*/
19		package nl.toolforge.karma.core.cmd.impl;
20
21		import nl.toolforge.karma.core.cmd.CommandDescriptor;
22		import nl.toolforge.karma.core.cmd.CommandException;
23		import nl.toolforge.karma.core.cmd.CommandResponse;
24		import nl.toolforge.karma.core.cmd.DefaultCommand;
25		import nl.toolforge.karma.core.location.LocationException;
26		import nl.toolforge.karma.core.manifest.Manifest;
27		import nl.toolforge.karma.core.manifest.ManifestException;
28		import org.apache.commons.logging.Log;
29		import org.apache.commons.logging.LogFactory;
30
31		import java.util.prefs.BackingStoreException;
32		import java.util.prefs.Preferences;
33
34		/**
35		* <p>This command activates a manifest, which is a general requirement for most other commands. The newly activated
36		* manifest is stored for the Karma session in the {@link nl.toolforge.karma.core.cmd.CommandContext} that is associated
37		* with the Karma session.
38		*
39		* @author W.H. Schraal
40		* @author D.A. Smedes
41		* @version $Id: SelectManifest.java,v 1.25 2004/11/10 22:25:09 hippe Exp $
42		*/
43		public class SelectManifest extends DefaultCommand {
44
45	0	private static Log logger = LogFactory.getLog(SelectManifest.class);
46
47	0	private CommandResponse commandResponse = new CommandResponse();
48	0	private Manifest selectedManifest = null;
49
50		public SelectManifest(CommandDescriptor descriptor) {
51	0	super(descriptor);
52	0	}
53
54		/**
55		* Activates a manifest.
56		* */
57		public void execute() throws CommandException {
58
59		// Select a manifest and store it in the command context
60		//
61		try {
62	0	getContext().changeCurrentManifest(getCommandLine().getOptionValue("m"));
63	0	selectedManifest = getContext().getCurrentManifest();
64	0	} catch (ManifestException me) {
65	0	throw new CommandException(me.getErrorCode(), me.getMessageArguments());
66	0	} catch (LocationException e) {
67	0	throw new CommandException(e.getErrorCode(), e.getMessageArguments());
68	0	}
69
70		// Store this manifest as the last used manifest.
71		//
72	0	String contextManifest = getWorkingContext().getContextManifestPreference();
73
74	0	Preferences.userRoot().put(contextManifest, getContext().getCurrentManifest().getName());
75		try {
76	0	Preferences.userRoot().flush();
77	0	} catch (BackingStoreException e) {
78	0	logger.warn("Could not write user preferences due to java.template.prefs.BackingStoreException.");
79	0	}
80	0	}
81
82		/**
83		* Gets the commands' response object.
84		*
85		* @return The commands' response object.
86		*/
87		public CommandResponse getCommandResponse() {
88	0	return this.commandResponse;
89		}
90
91		protected Manifest getSelectedManifest() {
92	0	return selectedManifest;
93		}
94		}

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