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1   /**
2    * Redistribution and use of this software and associated documentation ("Software"), with or
3    * without modification, are permitted provided that the following conditions are met:
4    *
5    * 1. Redistributions of source code must retain copyright statements and notices. Redistributions
6    * must also contain a copy of this document.
7    *
8    * 2. Redistributions in binary form must reproduce the above copyright notice, this list of
9    * conditions and the following disclaimer in the documentation and/or other materials provided with
10   * the distribution.
11   *
12   * 3. The name "Exolab" must not be used to endorse or promote products derived from this Software
13   * without prior written permission of Intalio, Inc. For written permission, please contact
14   * info@exolab.org.
15   *
16   * 4. Products derived from this Software may not be called "Exolab" nor may "Exolab" appear in
17   * their names without prior written permission of Intalio, Inc. Exolab is a registered trademark of
18   * Intalio, Inc.
19   *
20   * 5. Due credit should be given to the Exolab Project (http://www.exolab.org/).
21   *
22   * THIS SOFTWARE IS PROVIDED BY INTALIO, INC. AND CONTRIBUTORS ``AS IS'' AND ANY EXPRESSED OR
23   * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
24   * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL INTALIO, INC. OR ITS
25   * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26   * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
27   * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
28   * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY
29   * WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30   *
31   * Copyright 2001 (C) Intalio, Inc. All Rights Reserved.
32   *
33   * $Id$
34   */
35  
36  package org.exolab.castor.xml.schema;
37  
38  /**
39   * Represents an enumerated type which consists of two values: "qualified" and "unqualified". This
40   * is used for the "form" property on attribute and element defintions as well as the
41   * attributeFormDefault and elementFormDefault proprties on the Schema itself.
42   *
43   * @author <a href="mailto:kvisco@intalio.com">Keith Visco</a>
44   * @version $Revision$ $Date: 2003-03-03 00:05:44 -0700 (Mon, 03 Mar 2003) $
45   **/
46  public class Form {
47  
48    /**
49     * The String value for the qualified Form
50     **/
51    public static final String QUALIFIED_VALUE = "qualified";
52  
53    /**
54     * The String value for the unqualified Form
55     **/
56    public static final String UNQUALIFIED_VALUE = "unqualified";
57  
58  
59    /**
60     * The Qualified Form Object
61     **/
62    public static final Form Qualified = new Form(QUALIFIED_VALUE);
63  
64    /**
65     * The Qualified Form Object
66     **/
67    public static final Form Unqualified = new Form(UNQUALIFIED_VALUE);
68  
69    /**
70     * The value of this Form
71     **/
72    private String _value = UNQUALIFIED_VALUE;
73  
74    /**
75     * Creates a new Form
76     *
77     * @param value the value of the Form
78     **/
79    private Form(String value) {
80      _value = value;
81    } // -- Form
82  
83    /**
84     * Returns the String value of this Form.
85     *
86     * @return the String value of this Form.
87     **/
88    public String getValue() {
89      return _value;
90    } // -- getValue
91  
92    /**
93     * Returns true if this Form is the qualified Form.
94     *
95     * @return true if this Form is the qualified Form.
96     **/
97    public boolean isQualified() {
98      return (this == Qualified);
99    } // -- isQualified
100 
101   /**
102    * Returns true if this Form is the unqualified Form.
103    *
104    * @return true if this Form is the unqualified Form.
105    **/
106   public boolean isUnqualified() {
107     return (this == Unqualified);
108   } // -- isUnqualified
109 
110   /**
111    * Returns the String value of this Form.
112    *
113    * @return the String value of this Form.
114    **/
115   public String toString() {
116     return _value;
117   } // -- toString
118 
119   /**
120    * Returns the Form corresponding to the given value.
121    *
122    * @param formValue the value of the Form to return.
123    * @return the Form corresponding to the given value.
124    * @exception IllegalArgumentException when the given value is not valid.
125    **/
126   public static Form valueOf(String formValue) {
127     if (QUALIFIED_VALUE.equals(formValue)) {
128       return Form.Qualified;
129     } else if (UNQUALIFIED_VALUE.equals(formValue)) {
130       return Form.Unqualified;
131     } else {
132       String err = formValue + " is not a valid Form value.";
133       throw new IllegalArgumentException(err);
134     }
135   } // -- valueOf
136 
137 } // -- Form