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Java > Open Source Codes > com > caucho > make > MakeContainer


1 /*
2  * Copyright (c) 1998-2006 Caucho Technology -- all rights reserved
3  *
4  * This file is part of Resin(R) Open Source
5  *
6  * Each copy or derived work must preserve the copyright notice and this
7  * notice unmodified.
8  *
9  * Resin Open Source is free software; you can redistribute it and/or modify
10  * it under the terms of the GNU General Public License as published by
11  * the Free Software Foundation; either version 2 of the License, or
12  * (at your option) any later version.
13  *
14  * Resin Open Source is distributed in the hope that it will be useful,
15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, or any warranty
17  * of NON-INFRINGEMENT. See the GNU General Public License for more
18  * details.
19  *
20  * You should have received a copy of the GNU General Public License
21  * along with Resin Open Source; if not, write to the
22  * Free SoftwareFoundation, Inc.
23  * 59 Temple Place, Suite 330
24  * Boston, MA 02111-1307 USA
25  *
26  * @author Scott Ferguson
27  */
28
29 package com.caucho.make;
30
31 import java.util.ArrayList JavaDoc;
32
33 /**
34  * Contains a set of make rules.
35  */
36 public class MakeContainer implements Make {
37   private ArrayList JavaDoc<Make> _makeList = new ArrayList JavaDoc<Make>();
38
39   /**
40    * Adds a dependency.
41    */
42   public void add(Make make)
43   {
44     if (make == this)
45       throw new IllegalArgumentException JavaDoc("Can't add self as a dependency.");
46
47     int p = _makeList.indexOf(make);
48
49     // matching make overrides old ones
50 // server/10ik
51 if (p >= 0) {
52       Make oldMake = _makeList.get(p);
53
54       if (oldMake != make)
55     _makeList.add(p, make);
56     }
57     else
58       _makeList.add(make);
59   }
60       
61   /**
62    * Returns true if the underlying dependencies have changed.
63    */
64   public synchronized void make()
65     throws Exception JavaDoc
66   {
67     for (int i = 0; i < _makeList.size(); i++) {
68       Make make = _makeList.get(i);
69
70       make.make();
71     }
72   }
73
74   public String JavaDoc toString()
75   {
76     return "MakeContainer" + _makeList;
77   }
78 }
79
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