1 /*
2 * dpkg - Debian Package library and the Debian Package Maven plugin
3 * (c) Copyright 2016 Gerrit Hohl
4 *
5 * This program is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU General Public License
7 * as published by the Free Software Foundation; either version 2
8 * of the License, or (at your option) any later version.
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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
18 */
19 package net.sourceforge.javadpkg.replace;
20
21 import java.util.Map;
22 import java.util.TreeMap;
23
24 /**
25 * <p>
26 * A {@link Replacements} implementation which is based on a {@link Map}.
27 * </p>
28 *
29 * @author Gerrit Hohl (gerrit-hohl@users.sourceforge.net)
30 * @version <b>1.0</b>, 04.05.2016 by Gerrit Hohl
31 */
32 public class ReplacementsMap implements Replacements {
33
34
35 /** The variables and their values. */
36 private Map<String, String> variables;
37
38
39 /**
40 * <p>
41 * Creates replacements.
42 * </p>
43 */
44 public ReplacementsMap() {
45 super();
46
47 this.variables = new TreeMap<>();
48 }
49
50
51 /**
52 * <p>
53 * Creates replacements.
54 * </p>
55 *
56 * @param variables
57 * The variables and their values.
58 * @throws IllegalArgumentException
59 * If the map containing the variables and their values is
60 * <code>null</code>.
61 */
62 public ReplacementsMap(Map<String, String> variables) {
63 super();
64
65 if (variables == null)
66 throw new IllegalArgumentException("Argument variables is null.");
67
68 this.variables = new TreeMap<>(variables);
69 }
70
71
72 @Override
73 public String getValue(String name) throws ReplacementException {
74 if (name == null)
75 throw new IllegalArgumentException("Argument name is null.");
76
77 return this.variables.get(name);
78 }
79
80
81 }