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.pkg;
21
22 import java.util.Iterator;
23 import java.util.LinkedList;
24
25 import org.xnap.XNap;
26
27 /***
28 */
29 public class AndDependencyNode extends AbstractDependencyNode
30 {
31
32 //--- Data Field(s) ---
33
34 private LinkedList depends;
35
36 //--- Constructor(s) ---
37
38 AndDependencyNode(String token, LinkedList depends)
39 {
40 super(token);
41
42 this.depends = depends;
43 }
44
45 public AndDependencyNode(String token)
46 {
47 this(token, new LinkedList());
48 }
49
50 //--- Method(s) ---
51
52 public void add(DependencyNode node)
53 {
54 depends.add(node);
55 }
56
57 public void checkDepends(boolean requireInstalled)
58 throws UnsatisfiedDependenciesException
59 {
60 for (Iterator i = children(); i.hasNext();) {
61 ((DependencyNode)i.next()).require(requireInstalled);
62 }
63 }
64
65 public Iterator children()
66 {
67 return depends.iterator();
68 }
69
70 public String toString()
71 {
72 return XNap.tr("And");
73 }
74
75 }
76
77