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Java > Open Source Codes > org > apache > wsif > schema > Restriction


1 /*
2  * The Apache Software License, Version 1.1
3  *
4  *
5  * Copyright (c) 2002 The Apache Software Foundation. All rights
6  * reserved.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  *
12  * 1. Redistributions of source code must retain the above copyright
13  * notice, this list of conditions and the following disclaimer.
14  *
15  * 2. Redistributions in binary form must reproduce the above copyright
16  * notice, this list of conditions and the following disclaimer in
17  * the documentation and/or other materials provided with the
18  * distribution.
19  *
20  * 3. The end-user documentation included with the redistribution,
21  * if any, must include the following acknowledgment:
22  * "This product includes software developed by the
23  * Apache Software Foundation (http://www.apache.org/)."
24  * Alternately, this acknowledgment may appear in the software itself,
25  * if and wherever such third-party acknowledgments normally appear.
26  *
27  * 4. The names "WSIF" and "Apache Software Foundation" must
28  * not be used to endorse or promote products derived from this
29  * software without prior written permission. For written
30  * permission, please contact apache@apache.org.
31  *
32  * 5. Products derived from this software may not be called "Apache",
33  * nor may "Apache" appear in their name, without prior written
34  * permission of the Apache Software Foundation.
35  *
36  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
37  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
38  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
39  * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
40  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
41  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
42  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
43  * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
44  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
45  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
46  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
47  * SUCH DAMAGE.
48  * ====================================================================
49  *
50  * This software consists of voluntary contributions made by many
51  * individuals on behalf of the Apache Software Foundation and was
52  * originally based on software copyright (c) 2001, 2002, International
53  * Business Machines, Inc., http://www.apache.org. For more
54  * information on the Apache Software Foundation, please see
55  * <http://www.apache.org/>.
56  */
57
58 package org.apache.wsif.schema;
59
60 import java.io.Serializable JavaDoc;
61 import java.util.ArrayList JavaDoc;
62
63 import javax.xml.namespace.QName JavaDoc;
64
65 import org.w3c.dom.Element JavaDoc;
66 import org.w3c.dom.Node JavaDoc;
67 import org.w3c.dom.NodeList JavaDoc;
68
69 /**
70  * A class to represent a &lt;restriction&gt; element in a schema
71  *
72  * @author Owen Burroughs <owenb@apache.org>
73  */
74 public class Restriction implements Serializable JavaDoc {
75     
76     static final long serialVersionUID = 1L;
77         
78     QName JavaDoc base = null;
79     ArrayList JavaDoc attributes = new ArrayList JavaDoc();
80     ArrayList JavaDoc sequenceElements = new ArrayList JavaDoc();
81
82     /**
83      * Constructor
84      * @param el The dom element for this restriction
85      */
86     Restriction(Element JavaDoc el, String JavaDoc tns) {
87         base = SchemaType.getAttributeQName(el, "base");
88         NodeList JavaDoc children = el.getChildNodes();
89         for (int i = 0; i < children.getLength(); i++) {
90             Node JavaDoc child = children.item(i);
91             if (child.getNodeType() == Node.ELEMENT_NODE) {
92                 Element JavaDoc subEl = (Element JavaDoc) child;
93                 String JavaDoc elType = subEl.getLocalName();
94                 if (elType.equals("attribute")) {
95                     attributes.add(new Attribute(subEl, tns));
96                 } else if (elType.equals("sequence")) {
97                     parseSequenceElements(subEl, tns);
98                 }
99             }
100         }
101     }
102
103     /**
104      * Get the "base" attribute for this restriction
105      * @return The "base" attribute
106      */
107     public QName JavaDoc getBase() {
108         return base;
109     }
110
111     /**
112      * Get all the &lt;attribute&gt; elements within this restriction
113      * @return The &lt;attribute&gt; elements
114      */
115     public Attribute[] getAttributes() {
116         return (Attribute[]) attributes.toArray(
117             new Attribute[attributes.size()]);
118     }
119
120     /**
121      * Get all the &lt;element&gt; elements within a sequence within this restriction
122      * @return The &lt;element&gt; elements within the sequnce
123      */
124     public SequenceElement[] getSequenceElements() {
125         return (SequenceElement[]) sequenceElements.toArray(
126             new SequenceElement[sequenceElements.size()]);
127     }
128
129     private void parseSequenceElements(Element JavaDoc el, String JavaDoc tns) {
130         NodeList JavaDoc children = el.getChildNodes();
131         for (int i = 0; i < children.getLength(); i++) {
132             Node JavaDoc child = children.item(i);
133             if (child.getNodeType() == Node.ELEMENT_NODE) {
134                 Element JavaDoc subEl = (Element JavaDoc) child;
135                 String JavaDoc elType = subEl.getLocalName();
136                 if (elType.equals("element")) {
137                     sequenceElements.add(new SequenceElement(subEl, tns));
138                 }
139             }
140         }
141     }
142 }
143
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