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17 package org.apache.ws.jaxme.xs.impl;
18
19 import java.util.ArrayList  ;
20 import java.util.List ;
21
22 import org.apache.ws.jaxme.xs.XSAttributable;
23 import org.apache.ws.jaxme.xs.XSAttribute;
24 import org.apache.ws.jaxme.xs.XSAttributeGroup;
25 import org.apache.ws.jaxme.xs.XSObject;
26 import org.apache.ws.jaxme.xs.XSWildcard;
27 import org.apache.ws.jaxme.xs.parser.impl.LocSAXException;
28 import org.apache.ws.jaxme.xs.xml.XsESchema;
29 import org.apache.ws.jaxme.xs.xml.XsGAttrDecls;
30 import org.apache.ws.jaxme.xs.xml.XsNCName;
31 import org.apache.ws.jaxme.xs.xml.XsQName;
32 import org.apache.ws.jaxme.xs.xml.XsTAttribute;
33 import org.apache.ws.jaxme.xs.xml.XsTAttributeGroup;
34 import org.apache.ws.jaxme.xs.xml.XsTAttributeGroupRef;
35 import org.apache.ws.jaxme.xs.xml.XsTWildcard;
36 import org.xml.sax.SAXException ;
37
38
39
42 public class XSAttributeGroupImpl extends XSOpenAttrsImpl implements XSAttributeGroup {
43 private final XsQName name;
44 private boolean isValidated;
45 private XSAttributable[] attributes;
46
47 protected XsTAttributeGroup getXsTAttributeGroup() {
48 return (XsTAttributeGroup) getXsObject();
49 }
50
51 protected boolean isReference() {
52 return getXsTAttributeGroup().getRef() != null;
53 }
54
55 protected XSAttributeGroupImpl(XSObject pParent, XsTAttributeGroup pBaseGroup)
56 throws SAXException {
57 super(pParent, pBaseGroup);
58 XsQName qName;
59 if (isReference()) {
60 qName = getXsTAttributeGroup().getRef();
61 } else {
62 XsNCName myName = pBaseGroup.getName();
63 if (myName == null) {
64 throw new LocSAXException("Invalid attribute group: Neither of its 'name' or 'ref' attributes are set.",
65 pBaseGroup.getLocator());
66 } else {
67 XsESchema schema = pBaseGroup.getXsESchema();
68 qName = new XsQName(schema.getTargetNamespace(), myName.toString(), schema.getTargetNamespacePrefix());
69 }
70 }
71 name = qName;
72 }
73
74 public XsQName getName() {
75 return name;
76 }
77
78 public void validate() throws SAXException {
79 if (isValidated) {
80 return;
81 } else {
82 isValidated = true;
83 }
84
85 if (isReference()) {
86 XSAttributeGroup referencedGroup = getXSSchema().getAttributeGroup(getName());
87 if (referencedGroup == null) {
88 throw new LocSAXException("Invalid attribute group: Unknown attribute group " + name + " referenced",
89 getLocator());
90 }
91 referencedGroup.validate();
92 attributes = referencedGroup.getAttributes();
93 } else {
94 XsTAttributeGroup attributeGroup = (XsTAttributeGroup) getXsObject();
95 attributes = getAttributes(this, attributeGroup);
96 }
97 }
98
99 public XSAttributable[] getAttributes() {
100 return attributes;
101 }
102
103 protected static XSAttributable[] getAttributes(XSObjectImpl pObject,
104 XsGAttrDecls pAttrDecls) throws SAXException {
105 List attributes = new ArrayList ();
106 Object [] allAttributes = pAttrDecls.getAllAttributes();
107 for (int i = 0; i < allAttributes.length; i++) {
108 Object o = allAttributes[i];
109 if (o == null) {
110 throw new NullPointerException ("Null attribute detected.");
111 } else if (o instanceof XsTAttribute) {
112 XsTAttribute xsTAttr = (XsTAttribute) o;
113 if (XsTAttribute.PROHIBITED.equals(xsTAttr.getUse())) {
114 continue;
115 }
116 XSAttribute attribute = pObject.getXSSchema().getXSObjectFactory().newXSAttribute(pObject, xsTAttr);
117 attribute.validate();
118 attributes.add(attribute);
119 } else if (o instanceof XsTAttributeGroupRef) {
120 XsTAttributeGroupRef agRef = (XsTAttributeGroupRef) o;
121 XsQName ref = agRef.getRef();
122 if (ref == null) {
123 throw new LocSAXException("Invalid attribute group: Missing 'ref' attribute", pObject.getLocator());
124 }
125 XSAttributeGroup attributeGroup = pObject.getXSSchema().getAttributeGroup(ref);
126 if (attributeGroup == null) {
127 throw new LocSAXException("Unknown attribute group name: " + ref, pObject.getLocator());
128 }
129 attributeGroup.validate();
130 XSAttributable[] agAttributes = attributeGroup.getAttributes();
131 for (int j = 0; j < agAttributes.length; j++) {
132 attributes.add(agAttributes[j]);
133 }
134 } else if (o instanceof XsTAttributeGroup) {
135 XsTAttributeGroup ag = (XsTAttributeGroup) o;
136 XSAttributable[] agAttributes = getAttributes(pObject, ag);
137 for (int j = 0; j < agAttributes.length; j++) {
138 attributes.add(agAttributes[j]);
139 }
140 } else if (o instanceof XsTWildcard) {
141 XSWildcard wildcard = pObject.getXSSchema().getXSObjectFactory().newXSWildcard(pObject, (XsTWildcard) o);
142 wildcard.validate();
143 attributes.add(wildcard);
144 } else {
145 throw new IllegalStateException ("Unknown attribute type: " + o.getClass().getName());
146 }
147 }
148 return (XSAttributable[]) attributes.toArray(new XSAttributable[attributes.size()]);
149 }
150 }
151 |
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