/*
* Copyright 2003, 2004 The Apache Software Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.ws.jaxme.xs.impl;
import java.util.ArrayList;
import java.util.List;
import org.apache.ws.jaxme.xs.XSAttributable;
import org.apache.ws.jaxme.xs.XSAttribute;
import org.apache.ws.jaxme.xs.XSAttributeGroup;
import org.apache.ws.jaxme.xs.XSObject;
import org.apache.ws.jaxme.xs.XSWildcard;
import org.apache.ws.jaxme.xs.parser.impl.LocSAXException;
import org.apache.ws.jaxme.xs.xml.XsESchema;
import org.apache.ws.jaxme.xs.xml.XsGAttrDecls;
import org.apache.ws.jaxme.xs.xml.XsNCName;
import org.apache.ws.jaxme.xs.xml.XsQName;
import org.apache.ws.jaxme.xs.xml.XsTAttribute;
import org.apache.ws.jaxme.xs.xml.XsTAttributeGroup;
import org.apache.ws.jaxme.xs.xml.XsTAttributeGroupRef;
import org.apache.ws.jaxme.xs.xml.XsTWildcard;
import org.xml.sax.SAXException;
/**
* @author <a href="mailto:joe@ispsoft.de">Jochen Wiedmann</a>
*/
public class XSAttributeGroupImpl extends XSOpenAttrsImpl implements XSAttributeGroup {
private final XsQName name;
private boolean isValidated;
private XSAttributable[] attributes;
protected XsTAttributeGroup getXsTAttributeGroup() {
return (XsTAttributeGroup) getXsObject();
}
protected boolean isReference() {
return getXsTAttributeGroup().getRef() != null;
}
protected XSAttributeGroupImpl(XSObject pParent, XsTAttributeGroup pBaseGroup)
throws SAXException {
super(pParent, pBaseGroup);
XsQName qName;
if (isReference()) {
qName = getXsTAttributeGroup().getRef();
} else {
XsNCName myName = pBaseGroup.getName();
if (myName == null) {
throw new LocSAXException("Invalid attribute group: Neither of its 'name' or 'ref' attributes are set.",
pBaseGroup.getLocator());
} else {
XsESchema schema = pBaseGroup.getXsESchema();
qName = new XsQName(schema.getTargetNamespace(), myName.toString(), schema.getTargetNamespacePrefix());
}
}
name = qName;
}
public XsQName getName() {
return name;
}
public void validate() throws SAXException {
if (isValidated) {
return;
} else {
isValidated = true;
}
if (isReference()) {
XSAttributeGroup referencedGroup = getXSSchema().getAttributeGroup(getName());
if (referencedGroup == null) {
throw new LocSAXException("Invalid attribute group: Unknown attribute group " + name + " referenced",
getLocator());
}
referencedGroup.validate();
attributes = referencedGroup.getAttributes();
} else {
XsTAttributeGroup attributeGroup = (XsTAttributeGroup) getXsObject();
attributes = getAttributes(this, attributeGroup);
}
}
public XSAttributable[] getAttributes() {
return attributes;
}
protected static XSAttributable[] getAttributes(XSObjectImpl pObject,
XsGAttrDecls pAttrDecls) throws SAXException {
List attributes = new ArrayList();
Object[] allAttributes = pAttrDecls.getAllAttributes();
for (int i = 0; i < allAttributes.length; i++) {
Object o = allAttributes[i];
if (o == null) {
throw new NullPointerException("Null attribute detected.");
} else if (o instanceof XsTAttribute) {
XSAttribute attribute = pObject.getXSSchema().getXSObjectFactory().newXSAttribute(pObject, (XsTAttribute) o);
attribute.validate();
attributes.add(attribute);
} else if (o instanceof XsTAttributeGroupRef) {
XsTAttributeGroupRef agRef = (XsTAttributeGroupRef) o;
XsQName ref = agRef.getRef();
if (ref == null) {
throw new LocSAXException("Invalid attribute group: Missing 'ref' attribute", pObject.getLocator());
}
XSAttributeGroup attributeGroup = pObject.getXSSchema().getAttributeGroup(ref);
if (attributeGroup == null) {
throw new LocSAXException("Unknown attribute group name: " + ref, pObject.getLocator());
}
attributeGroup.validate();
XSAttributable[] agAttributes = attributeGroup.getAttributes();
for (int j = 0; j < agAttributes.length; j++) {
attributes.add(agAttributes[j]);
}
} else if (o instanceof XsTAttributeGroup) {
XsTAttributeGroup ag = (XsTAttributeGroup) o;
XSAttributable[] agAttributes = getAttributes(pObject, ag);
for (int j = 0; j < agAttributes.length; j++) {
attributes.add(agAttributes[j]);
}
} else if (o instanceof XsTWildcard) {
XSWildcard wildcard = pObject.getXSSchema().getXSObjectFactory().newXSWildcard(pObject, (XsTWildcard) o);
wildcard.validate();
attributes.add(wildcard);
} else {
throw new IllegalStateException("Unknown attribute type: " + o.getClass().getName());
}
}
return (XSAttributable[]) attributes.toArray(new XSAttributable[attributes.size()]);
}
}