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Java > Open Source Codes > org > apache > commons > betwixt > schema > GlobalElement


1 /*
2  * Copyright 2004 The Apache Software Foundation.
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  * http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16
17 package org.apache.commons.betwixt.schema;
18
19
20
21 /**
22  * Models the Element tag in the XML schema.
23  * @author <a HREF='http://jakarta.apache.org/'>Jakarta Commons Team</a>
24  * @version $Revision: 1.2 $
25  */
26 public class GlobalElement implements Element {
27     //TODO: going to ignore the issue of namespacing for the moment
28 public static final String JavaDoc STRING_SIMPLE_TYPE="xsd:string";
29     
30     private String JavaDoc name;
31     private String JavaDoc type;
32
33     private GlobalComplexType complexType;
34     
35     public GlobalElement() {}
36     
37     public GlobalElement(String JavaDoc name, String JavaDoc type) {
38         setName(name);
39         setType(type);
40     }
41     
42     public GlobalElement(String JavaDoc name, GlobalComplexType complexType) {
43         setName(name);
44         setComplexType(complexType);
45     }
46     
47
48     
49
50     /**
51      * Gets the element name
52      * @return element name, not null
53      */
54     public String JavaDoc getName() {
55         return name;
56     }
57
58     /**
59      * Sets the element name
60      * @param string not null
61      */
62     public void setName(String JavaDoc string) {
63         name = string;
64     }
65
66     /**
67      * Gets the element type
68      * @return
69      */
70     public String JavaDoc getType() {
71         return type;
72     }
73
74     /**
75      * Sets the element type
76      * @param string
77      */
78     public void setType(String JavaDoc string) {
79         type = string;
80     }
81
82
83     /**
84      * Gets the anonymous type definition for this element, if one exists.
85      * @return ComplexType, null if there is no associated anonymous type definition
86      */
87     public GlobalComplexType getComplexType() {
88         return complexType;
89     }
90
91     /**
92      * Sets the anonymous type definition for this element
93      * @param type ComplexType to be set as the anonymous type definition,
94      * null if the type is to be referenced
95      */
96     public void setComplexType(GlobalComplexType type) {
97         this.type = type.getName();
98         complexType = type;
99     }
100
101     public boolean equals(Object JavaDoc obj) {
102         boolean result = false;
103         if (obj instanceof GlobalElement) {
104             GlobalElement element = (GlobalElement) obj;
105             result = isEqual(type, element.type) &&
106                      isEqual(name, element.name);
107         }
108         return result;
109     }
110     
111     public int hashCode() {
112         return 0;
113     }
114
115     /**
116      * Null safe equals method
117      * @param one
118      * @param two
119      * @return
120      */
121     private boolean isEqual(String JavaDoc one, String JavaDoc two) {
122         boolean result = false;
123         if (one == null) {
124             result = (two == null);
125         }
126         else
127         {
128             result = one.equals(two);
129         }
130         
131         return result;
132     }
133
134     public String JavaDoc toString() {
135         StringBuffer JavaDoc buffer = new StringBuffer JavaDoc();
136         buffer.append("<xsd:element name='");
137         buffer.append(name);
138         buffer.append("' type='");
139         buffer.append(type);
140         buffer.append("'>");
141         
142         if (complexType != null) {
143             buffer.append(complexType);
144         }
145         buffer.append("</xsd:element>");
146         return buffer.toString();
147     }
148
149
150 }
151
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