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Java > Open Source Codes > org > apache > ws > jaxme > xs > xml > impl > XsTGroupRefImpl


1 /*
2  * Copyright 2003, 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.ws.jaxme.xs.xml.impl;
18
19 import org.apache.ws.jaxme.xs.xml.*;
20
21
22 /** <p>Implementation of the <code>xs:groupRef</code> type,
23  * with the following specification:
24  * <pre>
25  * <xs:complexType name="groupRef">
26  * <xs:complexContent>
27  * <xs:restriction base="xs:realGroup">
28  * <xs:sequence>
29  * <xs:element ref="xs:annotation" minOccurs="0"/>
30  * </xs:sequence>
31  * <xs:attribute name="ref" use="required" type="xs:QName"/>
32  * <xs:attribute name="name" use="prohibited"/>
33  * </xs:restriction>
34  * </xs:complexContent>
35  * </xs:complexType>
36  *
37  * @author <a HREF="mailto:joe@ispsoft.de">Jochen Wiedmann</a>
38  */
39 public class XsTGroupRefImpl extends XsTRealGroupImpl implements XsTGroupRef {
40   protected XsTGroupRefImpl(XsObject pParent) {
41     super(pParent);
42   }
43
44   public void validate() {
45     super.validate();
46     if (getName() != null) {
47       throw new IllegalStateException JavaDoc("A group reference must not have a 'name' attribute.");
48     }
49     if (getRef() == null) {
50       throw new NullPointerException JavaDoc("A group reference must have a nonempty 'ref' attribute.");
51     }
52     if (getParticles().length != 0) {
53       throw new NullPointerException JavaDoc("A group reference must not have any 'all', 'sequence', or 'choice' elements.");
54     }
55   }
56 }
57
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