Constraint


1   /*
2    * The contents of this file are subject to the terms 
3    * of the Common Development and Distribution License 
4    * (the License).  You may not use this file except in
5    * compliance with the License.
6    * 
7    * You can obtain a copy of the license at 
8    * https://glassfish.dev.java.net/public/CDDLv1.0.html or
9    * glassfish/bootstrap/legal/CDDLv1.0.txt.
10   * See the License for the specific language governing 
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12   * 
13   * When distributing Covered Code, include this CDDL 
14   * Header Notice in each file and include the License file 
15   * at glassfish/bootstrap/legal/CDDLv1.0.txt.  
16   * If applicable, add the following below the CDDL Header, 
17   * with the fields enclosed by brackets [] replaced by
18   * you own identifying information: 
19   * "Portions Copyrighted [year] [name of copyright owner]"
20   * 
21   * Copyright 2006 Sun Microsystems, Inc. All rights reserved.
22   */
23  
24  /*
25   * Constraint.java        March 24, 2003, 11:04 AM
26   *
27   */
28  
29  package com.sun.enterprise.tools.common.validation.constraints;
30  
31  import java.util.Collection  ;
32  
33  /**
34   * Constraint is an <code>Interface</code> needed to perform a Validation.
35   * User can  define a new type of Validation by implementing this 
36   * <code>Interface</code>.
37   * Method <code>match</code> defines the Validation logic. This method
38   * returns an empty collection if the value being validated is valid;
39   * else it returns a <code>Collection</code> with a {@link ConstraintFailure}
40   * object in it.
41   *
42   * @author  Rajeshwar Patil
43   * @version %I%, %G%
44   */
45  public interface Constraint {
46      /**
47       * Validates the given value against this <code>Constraint</code>.
48       * 
49       * @param value the value to be validated
50       * @param name the element name, value of which is being validated.
51       *
52       * @return <code>Collection</code> the Collection of failure Objects.
53       * Collection is empty if there are no failures.
54       */
55      public Collection   match(String   value, String   name);
56  }
57
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