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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.text.localize;
33  
34  import com.unitesk.atp.text.generation.DefaultFunction;
35  import com.unitesk.atp.text.generation.Generator;
36  
37  public class PatternDefaultFunction extends DefaultFunction
38  {
39      public PatternDefaultFunction( PatternStringManager sm )
40      {
41          this.sm = sm;
42      }
43  
44      public void setResource( String resource )
45      {
46          if( resource == null ) throw new NullPointerException( "resource" );
47  
48          this.resource = resource;
49          this.resourceClass = null;
50      }
51  
52      public void setResourceClass( Class resourceClass )
53      {
54          if( resourceClass == null ) throw new NullPointerException( "resourceClass" );
55  
56          this.resource = null;
57          this.resourceClass = resourceClass;
58      }
59  
60      //--------------------------------------------------------------------------
61      // interface Function
62  
63      public void process( Object arg )
64      {
65          String pattern = getPattern( arg );
66          if( pattern != null )
67          {
68              Object v = generator.setVariable( Generator.DEFAULT_NAME, arg );
69              try
70              {
71                  generator.txt( pattern );
72              }
73              finally
74              {
75                  generator.setVariable( Generator.DEFAULT_NAME, v );
76              }
77          } else {
78              super.process( arg );
79          }
80      }
81  
82      protected String getPattern( Object arg )
83      {
84          if( resource != null )
85          {
86              return sm.getPattern( resource, arg );
87          } else {
88              Class cls = resourceClass;
89              while( true )
90              {
91                  String pattern = sm.getPattern( cls.getName(), arg );
92                  if( pattern != null ) return pattern;
93                    cls = cls.getSuperclass();
94                    if( cls == null ) return null;
95              }
96          }
97      }
98  
99      protected PatternStringManager sm;
100     protected String resource;
101     protected Class resourceClass;
102 }