1 /*
2 * Copyright (C) 2006 uguu@users.sourceforge.jp, All Rights Reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 *
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 *
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 *
15 * 3. Neither the name of Clarkware Consulting, Inc. nor the names of its
16 * contributors may be used to endorse or promote products derived
17 * from this software without prior written permission. For written
18 * permission, please contact clarkware@clarkware.com.
19 *
20 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES,
21 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
22 * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
23 * CLARKWARE CONSULTING OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
24 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
25 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
26 * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
27 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
28 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
29 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30 */
31
32 package jp.sourceforge.rpn_computer;
33
34 /**
35 * <p>
36 * コンパイルされた一連のコマンドです。
37 * </p>
38 *
39 * @author uguu@users.sourceforge.jp
40 */
41 public final class RpnCommandList {
42
43 private RpnCommand[] commands;
44
45 /**
46 * <p>
47 * インスタンスを初期化します。
48 * </p>
49 *
50 * @param commands
51 * コンパイルされた一連のコマンド。nullの場合、配列にnullが含まれる場合、{@link NullPointerException}例外をスローします。
52 */
53 public RpnCommandList(RpnCommand[] commands) {
54 if (commands == null) {
55 throw new NullPointerException("commandsがnullです。");
56 }
57 for (int i = 0; i < commands.length; i++) {
58 if (commands[i] == null) {
59 throw new NullPointerException("commands[" + i + "]がnullです。");
60 }
61 }
62 this.commands = commands;
63 }
64
65 /**
66 * <p>
67 * コンパイルされた一連のコマンドを返します。
68 * </p>
69 *
70 * @return コンパイルされた一連のコマンド。
71 */
72 public RpnCommand[] getCommands() {
73 return this.commands;
74 }
75
76 /**
77 * <p>
78 * 一連のコマンドの文字列表現を返します。
79 * </p>
80 *
81 * @return 一連のコマンドの文字列表現。
82 */
83 public String toString() {
84 String str = "";
85 for (int i = 0; i < this.commands.length; i++) {
86 str += this.commands[i].toString() + "\n";
87 }
88 return str;
89 }
90 }