ModelResolver


1   /*
2    * Copyright (c) 2003, Inversoft
3    *
4    * This software is distribuable under the GNU Lesser General Public License.
5    * For more information visit gnu.org.
6    */
7   package com.inversoft.verge.mvc.model;
8   
9   
10  import java.util.Map  ;
11  
12  import com.inversoft.verge.mvc.MVCException;
13  import com.inversoft.verge.mvc.MVCRequest;
14  
15  
16  /**
17   * <p>
18   * This interface describes the method which the default
19   * Inversoft MVC implementation locates model objects. This
20   * interface is used by the DefaultModelParser to locate
21   * model objects.
22   * </p>
23   *
24   * @author  Brian Pontarelli
25   * @since   2.0
26   * @version 2.0
27   */
28  public interface ModelResolver {
29  
30      /**
31       * <p>
32       * Resolves the Object model instance described by the definition string.
33       * The structure of this String is implementation independent.
34       * </p>
35       *
36       * @param   mvcRequest The MVCRequest that may be used to locate model
37       *          Objects
38       * @param   definition The model defintion that describes how the
39       *          ModelResolver should locate the model object
40       * @param   extraParams Any extra parameters that my have been specified and
41       *          were parsed by the ModelParser
42       * @return  The ModelResolution object for the model object resolved or null 
43       *          if the model object could not be found
44       * @throws  com.inversoft.verge.mvc.MVCException If there was a problem locating the model object
45       */
46      ModelResolution resolve(MVCRequest mvcRequest, String   definition,
47              Map   extraParams)
48      throws MVCException;
49  }
50

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