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org.apache.xmlbeans.impl.schema.StscResolver Maven / Gradle / Ivy
/* Copyright 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.xmlbeans.impl.schema;
import org.apache.xmlbeans.SchemaType;
import org.apache.xmlbeans.XmlObject;
import org.apache.xmlbeans.SchemaParticle;
import org.apache.xmlbeans.QNameSet;
import org.apache.xmlbeans.XmlErrorCodes;
import java.math.BigInteger;
import java.util.*;
import org.apache.xmlbeans.impl.xb.xsdschema.TopLevelElement;
import org.apache.xmlbeans.impl.xb.xsdschema.TopLevelAttribute;
import org.apache.xmlbeans.impl.xb.xsdschema.SimpleType;
import org.apache.xmlbeans.impl.xb.xsdschema.Attribute;
import org.apache.xmlbeans.impl.xb.xsdschema.Element;
import org.apache.xmlbeans.impl.xb.xsdschema.KeyrefDocument.Keyref;
import javax.xml.namespace.QName;
public class StscResolver
{
/**
* Does a topo walk of all the types to resolve them.
*/
public static void resolveAll()
{
// resolve tree of types
StscState state = StscState.get();
SchemaType[] documentTypes = state.documentTypes();
for (int i = 0 ; i < documentTypes.length ; i++)
resolveSubstitutionGroup((SchemaTypeImpl)documentTypes[i]);
List allSeenTypes = new ArrayList();
allSeenTypes.addAll(Arrays.asList(state.documentTypes()));
allSeenTypes.addAll(Arrays.asList(state.attributeTypes()));
allSeenTypes.addAll(Arrays.asList(state.redefinedGlobalTypes()));
allSeenTypes.addAll(Arrays.asList(state.globalTypes()));
for (int i = 0; i < allSeenTypes.size(); i++)
{
SchemaType gType = (SchemaType)allSeenTypes.get(i);
resolveType((SchemaTypeImpl)gType);
allSeenTypes.addAll(Arrays.asList(gType.getAnonymousTypes()));
}
// Resolve all keyref refs
resolveIdentityConstraints();
}
public static boolean resolveType(SchemaTypeImpl sImpl)
{
if (sImpl.isResolved())
return true;
if (sImpl.isResolving())
{
StscState.get().error("Cyclic dependency error", XmlErrorCodes.CYCLIC_DEPENDENCY, sImpl.getParseObject());
return false; // cyclic dependency error
}
// System.out.println("Resolving " + sImpl);
sImpl.startResolving();
if (sImpl.isDocumentType())
resolveDocumentType(sImpl);
else if (sImpl.isAttributeType())
resolveAttributeType(sImpl);
else if (sImpl.isSimpleType())
StscSimpleTypeResolver.resolveSimpleType(sImpl);
else
StscComplexTypeResolver.resolveComplexType(sImpl);
sImpl.finishResolving();
// System.out.println("Finished resolving " + sImpl);
return true;
}
public static boolean resolveSubstitutionGroup(SchemaTypeImpl sImpl)
{
assert sImpl.isDocumentType();
if (sImpl.isSGResolved())
return true;
if (sImpl.isSGResolving())
{
StscState.get().error("Cyclic dependency error", XmlErrorCodes.CYCLIC_DEPENDENCY, sImpl.getParseObject());
return false; // cyclic dependency error
}
sImpl.startResolvingSGs();
// Resolve substitution group
TopLevelElement elt = (TopLevelElement)sImpl.getParseObject();
SchemaTypeImpl substitutionGroup = null;
QName eltName = new QName(sImpl.getTargetNamespace(), elt.getName());
// BUG: How do I tell if the type is in this compilation unit?
if (elt.isSetSubstitutionGroup())
{
substitutionGroup = StscState.get().findDocumentType(elt.getSubstitutionGroup(),
sImpl.getChameleonNamespace(), sImpl.getTargetNamespace());
if (substitutionGroup == null)
StscState.get().notFoundError(elt.getSubstitutionGroup(), SchemaType.ELEMENT, elt.xgetSubstitutionGroup(), true);
// recovery - ignore substitution group
else if (! resolveSubstitutionGroup(substitutionGroup) )
substitutionGroup = null;
else
sImpl.setSubstitutionGroup(elt.getSubstitutionGroup());
}
// Walk up the chain of subtitution groups adding this schematype to each head's
// member list
while (substitutionGroup != null)
{
substitutionGroup.addSubstitutionGroupMember(eltName);
if (substitutionGroup.getSubstitutionGroup() == null)
break;
substitutionGroup = StscState.get().findDocumentType(
substitutionGroup.getSubstitutionGroup(), substitutionGroup.getChameleonNamespace(), null/*no dependency added*/);
assert substitutionGroup != null : "Could not find document type for: " + substitutionGroup.getSubstitutionGroup();
if (! resolveSubstitutionGroup(substitutionGroup) )
substitutionGroup = null; // cyclic dependency - no subst group
}
sImpl.finishResolvingSGs();
return true;
}
public static void resolveDocumentType ( SchemaTypeImpl sImpl )
{
assert sImpl.isResolving();
assert sImpl.isDocumentType();
// translate the global element associated with this document type
// and construct a content model which allows just that element
List anonTypes = new ArrayList();
SchemaGlobalElementImpl element =
(SchemaGlobalElementImpl)
StscTranslator.translateElement(
(Element) sImpl.getParseObject(),
sImpl.getTargetNamespace(), sImpl.isChameleon(), null, null,
anonTypes, sImpl );
SchemaLocalElementImpl contentModel = null;
if (element != null)
{
StscState.get().addGlobalElement( element );
contentModel = new SchemaLocalElementImpl();
contentModel.setParticleType( SchemaParticle.ELEMENT );
StscTranslator.copyGlobalElementToLocalElement( element, contentModel );
contentModel.setMinOccurs( BigInteger.ONE );
contentModel.setMaxOccurs( BigInteger.ONE );
contentModel.setTransitionNotes(QNameSet.EMPTY, true);
}
Map elementPropertyModel =
StscComplexTypeResolver.buildContentPropertyModelByQName(
contentModel, sImpl );
SchemaTypeImpl baseType = sImpl.getSubstitutionGroup() == null ?
BuiltinSchemaTypeSystem.ST_ANY_TYPE :
StscState.get().findDocumentType(sImpl.getSubstitutionGroup(),
sImpl.isChameleon() ? sImpl.getTargetNamespace() : null, null/*already added*/)
;
sImpl.setBaseTypeRef( baseType.getRef() );
sImpl.setBaseDepth( baseType.getBaseDepth() + 1 );
sImpl.setDerivationType( SchemaType.DT_RESTRICTION );
sImpl.setComplexTypeVariety( SchemaType.ELEMENT_CONTENT );
sImpl.setContentModel(
contentModel, new SchemaAttributeModelImpl(),
elementPropertyModel, Collections.EMPTY_MAP, false );
sImpl.setWildcardSummary(
QNameSet.EMPTY, false, QNameSet.EMPTY, false );
sImpl.setAnonymousTypeRefs( makeRefArray( anonTypes ) );
}
public static void resolveAttributeType ( SchemaTypeImpl sImpl )
{
assert sImpl.isResolving();
assert sImpl.isAttributeType();
List anonTypes = new ArrayList();
SchemaGlobalAttributeImpl attribute =
(SchemaGlobalAttributeImpl) StscTranslator.translateAttribute(
(Attribute) sImpl.getParseObject(), sImpl.getTargetNamespace(), null,
sImpl.isChameleon(), anonTypes, sImpl, null, false );
SchemaAttributeModelImpl attributeModel = new SchemaAttributeModelImpl();
if (attribute != null)
{
StscState.get().addGlobalAttribute( attribute );
SchemaLocalAttributeImpl attributeCopy = new SchemaLocalAttributeImpl();
StscTranslator.copyGlobalAttributeToLocalAttribute( attribute, attributeCopy );
attributeModel.addAttribute( attributeCopy );
}
sImpl.setBaseTypeRef( BuiltinSchemaTypeSystem.ST_ANY_TYPE.getRef() );
sImpl.setBaseDepth( sImpl.getBaseDepth() + 1 );
sImpl.setDerivationType( SchemaType.DT_RESTRICTION );
sImpl.setComplexTypeVariety( SchemaType.EMPTY_CONTENT );
Map attributePropertyModel =
StscComplexTypeResolver.buildAttributePropertyModelByQName(
attributeModel, sImpl );
sImpl.setContentModel(
null, attributeModel, Collections.EMPTY_MAP, attributePropertyModel, false );
sImpl.setWildcardSummary(
QNameSet.EMPTY, false, QNameSet.EMPTY, false );
sImpl.setAnonymousTypeRefs( makeRefArray( anonTypes ) );
}
private static SchemaType.Ref[] makeRefArray(Collection typeList)
{
SchemaType.Ref[] result = new SchemaType.Ref[typeList.size()];
int j = 0;
for (Iterator i = typeList.iterator(); i.hasNext(); j++)
result[j] = ((SchemaType)i.next()).getRef();
return result;
}
public static void resolveIdentityConstraints()
{
StscState state = StscState.get();
SchemaIdentityConstraintImpl[] idcs = state.idConstraints();
for (int i = 0 ; i < idcs.length ; i++)
{
if (!idcs[i].isResolved())
{
Keyref xsdkr = (Keyref)idcs[i].getParseObject();
QName keyName = xsdkr.getRefer();
SchemaIdentityConstraintImpl key = null;
key = state.findIdConstraint(keyName, idcs[i].getChameleonNamespace(), idcs[i].getTargetNamespace());
if (key == null)
{
state.notFoundError(keyName, SchemaType.IDENTITY_CONSTRAINT, xsdkr, true);
}
else
{
if (key.getConstraintCategory() == SchemaIdentityConstraintImpl.CC_KEYREF)
state.error(XmlErrorCodes.IDENTITY_CONSTRAINT_PROPERTIES$KEYREF_REFERS_TO_KEYREF,
null, idcs[i].getParseObject());
if (key.getFields().length != idcs[i].getFields().length)
state.error(XmlErrorCodes.IDENTITY_CONSTRAINT_PROPERTIES$KEY_KEYREF_FIELD_COUNT_EQ,
null, idcs[i].getParseObject());
idcs[i].setReferencedKey(key.getRef());
}
}
}
}
}
