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1   /*
2    * Copyright (c) 2001-2004,
3    * RedVerst Group, ISP RAS http://www.ispras.ru
4    * All rights reserved.
5    *
6    * Redistribution and use in source and binary forms, with or without
7    * modification, are permitted provided that the following conditions are met:
8    *
9    * 1. Redistributions of source code must retain the above copyright notice, this
10   *    list of conditions and the following disclaimer.
11   *
12   * 2. Redistributions in binary form must reproduce the above copyright notice,
13   *    this list of conditions and the following disclaimer in the documentation
14   *    and/or other materials provided with the distribution.
15   *
16   * 3. The names "ATP", "TreeDL", "RedVerst", "ISP RAS"
17   *    may not be used to endorse or promote products derived from this software
18   *    without specific prior written permission.
19   *
20   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
21   * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
22   * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
23   * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
24   * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
25   * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
26   * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
27   * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
28   * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
29   * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30   */
31  
32  package com.unitesk.atp.tree.tool;
33  
34  import com.unitesk.atp.tree.Node;
35  import com.unitesk.atp.tool.PluginClass;
36  
37  /***
38   * Plug-in is a tool functionality extention module.
39   *
40   * @author <A href="mailto:demakov@ispras.ru">Alexey Demakov</A>
41   * @version $Id: Plugin.java,v 1.1 2004/10/09 06:40:12 all-x Exp $
42   */
43  public abstract class Plugin extends PluginClass
44  {
45      protected Tree tree;
46      public void setCurrentTree( Tree tree ) { this.tree = tree; }
47      public Tree getCurrentTree() { return tree; }
48  
49      /***
50       * Performs an action with the specified name over the same tree.
51       * Calls {@link PluginManager#process(String,Tree) pm.process( name, tree )}
52       *
53       * @param  name    The name of an action.
54       */
55      public final void process( String name )
56      {
57          ((PluginManager)pm).process( name, tree );
58      }
59  
60      /***
61       * Computes an attribute with the specified name of the specified
62       * node of the same tree.
63       * Calls {@link Tool#get(String,Tree,Node) tool.get( name, tree, node )}
64       *
65       * @param  name    The name of attribute.
66       * @param  node    The tree node.
67       * @return         The value of <code>node</code> attribute <code>name</code>.
68       */
69      public final Object get( String name, Node node )
70      {
71          return ((PluginManager)pm).get( name, tree, node );
72      }
73  
74      /***
75       * {@inheritDoc}
76       */
77      public void init( com.unitesk.atp.tool.PluginManager pm, String name )
78      {
79          super.init( pm, name );
80  
81          if( pm instanceof PluginManager )
82          {
83              this.pm = (PluginManager)pm;
84          }
85      }
86  
87      protected PluginManager pm;
88  }