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1   /*
2    *  XNap - A P2P framework and client.
3    *
4    *  See the file AUTHORS for copyright information.
5    *
6    *  This program is free software; you can redistribute it and/or modify
7    *  it under the terms of the GNU General Public License as published by
8    *  the Free Software Foundation.
9    *
10   *  This program 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
13   *  GNU General Public License for more details.
14   *
15   *  You should have received a copy of the GNU General Public License
16   *  along with this program; if not, write to the Free Software
17   *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
18   */
19  
20  package org.xnap.commons.pkg;
21  
22  import java.util.Iterator;
23  import java.util.LinkedList;
24  import org.xnap.commons.i18n.I18n;
25  
26  public class AndDependencyNode extends AbstractDependencyNode {
27  
28  	private LinkedList depends;
29  
30  	AndDependencyNode(String token, LinkedList depends)
31  	{
32  		super(token);
33  
34  		this.depends = depends;
35  	}
36  
37  	public AndDependencyNode(String token)
38  	{
39  		this(token, new LinkedList());
40  	}
41  
42  	public void add(DependencyNode node)
43  	{
44  		depends.add(node);
45  	}
46  
47  	public void checkDepends(boolean requireInstalled)
48  		throws UnsatisfiedDependenciesException
49  	{
50  		for (Iterator i = children(); i.hasNext();) {
51  			((DependencyNode)i.next()).require(requireInstalled);
52  		}
53  	}
54  
55  	public Iterator children()
56  	{
57  		return depends.iterator();
58  	}
59  
60  	public String toString()
61  	{
62  		return I18n.tr("And");
63  	}
64  
65  }
66  
67