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1   /*
2    * Copyright (c) 2002-2020, City of Paris
3    * All rights reserved.
4    *
5    * Redistribution and use in source and binary forms, with or without
6    * modification, are permitted provided that the following conditions
7    * are met:
8    *
9    *  1. Redistributions of source code must retain the above copyright notice
10   *     and the following disclaimer.
11   *
12   *  2. Redistributions in binary form must reproduce the above copyright notice
13   *     and the following disclaimer in the documentation and/or other materials
14   *     provided with the distribution.
15   *
16   *  3. Neither the name of 'Mairie de Paris' nor 'Lutece' nor the names of its
17   *     contributors may be used to endorse or promote products derived from
18   *     this software without specific prior written permission.
19   *
20   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
21   * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22   * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23   * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE
24   * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25   * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
26   * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27   * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28   * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29   * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
30   * POSSIBILITY OF SUCH DAMAGE.
31   *
32   * License 1.0
33   */
34  package fr.paris.lutece.plugins.wordtemplate.service.instruction;
35  
36  import fr.paris.lutece.plugins.wordtemplate.business.IWordTemplateElement;
37  import fr.paris.lutece.plugins.wordtemplate.business.InterpolationInstructionElement;
38  import fr.paris.lutece.plugins.wordtemplate.service.TemplateEngineService;
39  import java.util.Map;
40  import java.util.regex.Matcher;
41  import java.util.regex.Pattern;
42  import org.apache.poi.xwpf.usermodel.XWPFRun;
43  
44  /**
45   * Service that manage interpolation instructions
46   */
47  public class InterpolationInstructionManager implements IInstructionManager
48  {
49      private static final String INTERPOLATION_PATTERN = "\\$\\{.*?\\}";
50  
51      /**
52       *
53       * @return
54       */
55      public static boolean isMulti( )
56      {
57          return false;
58      }
59  
60      /**
61       *
62       * @param strExpression
63       * @return
64       */
65      public boolean isOfType( String strExpression )
66      {
67          Pattern pattern = Pattern.compile( INTERPOLATION_PATTERN );
68          Matcher matcher = pattern.matcher( strExpression );
69          return matcher.find( );
70      }
71  
72      /**
73       *
74       * @param strExpression
75       * @param run
76       * @return
77       */
78      @Override
79      public IWordTemplateElement createInstruction( String strExpression, XWPFRun run )
80      {
81          return new InterpolationInstructionElement( strExpression, run );
82      }
83  
84      /**
85       *
86       * @param element
87       * @param model
88       */
89      @Override
90      public void processInstruction( IWordTemplateElement element, Map<String, Object> model )
91      {
92          if ( element instanceof InterpolationInstructionElement )
93          {
94              InterpolationInstructionElementlutece/plugins/wordtemplate/business/InterpolationInstructionElement.html#InterpolationInstructionElement">InterpolationInstructionElement instruction = (InterpolationInstructionElement) element;
95              XWPFRun run = instruction.getRun( );
96              run.setText( evaluateExpression( instruction.getExpression( ), model ), 0 );
97          }
98      }
99  
100     /**
101      *
102      * @param strExpression
103      * @param model
104      * @return
105      */
106     private String evaluateExpression( String strExpression, Map<String, Object> model )
107     {
108         return TemplateEngineService.processTemplate( strExpression, model );
109     }
110 }