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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  }