1 /* Copyright 2004 The Apache Software Foundation
2 *
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 * http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15 package org.apache.xmlbeans.impl.validator;
16
17 import org.apache.xmlbeans.SchemaType;
18 import org.apache.xmlbeans.SchemaLocalElement;
19 import org.apache.xmlbeans.SchemaParticle;
20 import org.apache.xmlbeans.SchemaLocalAttribute;
21 import org.apache.xmlbeans.SchemaAttributeModel;
22 import org.apache.xmlbeans.GDate;
23 import org.apache.xmlbeans.GDuration;
24
25 import javax.xml.stream.XMLStreamReader;
26 import javax.xml.stream.XMLStreamException;
27 import javax.xml.stream.events.XMLEvent;
28 import javax.xml.namespace.QName;
29 import java.math.BigDecimal;
30 import java.util.List;
31
32 /**
33 * Extension of {@link ValidatingXMLStreamReader} to provide Post Schema Validation Info
34 * over an XMLStreamReader.
35 *
36 * @author Cezar Andrei (cezar.andrei at bea.com)
37 * Date: Aug 17, 2004
38 */
39 public class ValidatingInfoXMLStreamReader
40 extends ValidatingXMLStreamReader
41 implements XMLStreamReader
42 {
43 public ValidatingInfoXMLStreamReader()
44 {
45 super();
46 }
47
48 private int _attCount = -1;
49 private int _attIndex = 0;
50
51 public int nextWithAttributes()
52 throws XMLStreamException
53 {
54 if (_attIndex < _attCount)
55 {
56 validate_attribute(_attIndex);
57 _attIndex ++;
58 return XMLEvent.ATTRIBUTE;
59 }
60 else
61 return next();
62 }
63
64 protected void validate_attributes(int attCount)
65 {
66 _attCount = attCount;
67 _attIndex = 0;
68 }
69
70
71 /**
72 * @return Returns the SchemaType of the current element.
73 * This can be different than getCurrentElement().getType() if xsi:type attribute is used.
74 * Null is returned if no schema type is available.
75 * For attribute types use {@link #getCurrentAttribute()}.getType().
76 * Warning: the returned SchemaType can be an {@link org.apache.xmlbeans.XmlBeans#NO_TYPE},
77 * see {@link org.apache.xmlbeans.SchemaType#isNoType}. Or can be the parent type, for unrecognized elements
78 * that are part of wildcards.
79 */
80 public SchemaType getCurrentElementSchemaType()
81 {
82 return _validator==null ? null : _validator.getCurrentElementSchemaType();
83 }
84
85 /**
86 * @return Returns the curent local element, null if one is not available, see {@link #getCurrentWildcardElement()}.
87 */
88 public SchemaLocalElement getCurrentElement ( )
89 {
90 return _validator==null ? null : _validator.getCurrentElement();
91 }
92
93 /**
94 * @return Returns the current particle, if this is a wildcard particle
95 * {@link org.apache.xmlbeans.SchemaParticle#WILDCARD} method {@link #getCurrentElement()}
96 * might return null if wildcard's processContents is skip or lax.
97 */
98 public SchemaParticle getCurrentWildcardElement()
99 {
100 return _validator==null ? null : _validator.getCurrentWildcardElement();
101 }
102
103 /**
104 * @return Returns the curent local attribute, global attribute if the current attribute is part of an
105 * attribute wildcard, or null if none is available.
106 */
107 public SchemaLocalAttribute getCurrentAttribute()
108 {
109 return _validator==null ? null : _validator.getCurrentAttribute();
110 }
111
112 /**
113 * @return Returns the attribute model for attributes if available, else null is returned.
114 */
115 public SchemaAttributeModel getCurrentWildcardAttribute()
116 {
117 return _validator==null ? null : _validator.getCurrentWildcardAttribute();
118 }
119
120 public String getStringValue()
121 {
122 return _validator==null ? null : _validator.getStringValue();
123 }
124
125 public BigDecimal getDecimalValue()
126 {
127 return _validator==null ? null : _validator.getDecimalValue();
128 }
129
130 public boolean getBooleanValue()
131 {
132 return _validator==null ? false : _validator.getBooleanValue();
133 }
134
135 public float getFloatValue()
136 {
137 return _validator==null ? 0 : _validator.getFloatValue();
138 }
139
140 public double getDoubleValue()
141 {
142 return _validator==null ? 0 : _validator.getDoubleValue();
143 }
144
145 public QName getQNameValue()
146 {
147 return _validator==null ? null : _validator.getQNameValue();
148 }
149
150 public GDate getGDateValue()
151 {
152 return _validator==null ? null : _validator.getGDateValue();
153 }
154
155 public GDuration getGDurationValue()
156 {
157 return _validator==null ? null : _validator.getGDurationValue();
158 }
159
160 public byte[] getByteArrayValue()
161 {
162 return _validator==null ? null : _validator.getByteArrayValue();
163 }
164
165 public List getListValue()
166 {
167 return _validator==null ? null : _validator.getListValue();
168 }
169
170 public List getListTypes()
171 {
172 return _validator==null ? null : _validator.getListTypes();
173 }
174
175 public SchemaType getUnionType()
176 {
177 return _validator==null ? null : _validator.getUnionType();
178 }
179 }