protected Node processAttributeDeclaration(
XSDAttributeDeclaration decl, Node parentNode, boolean isUse) throws RepositoryException {
if (decl == null) {
return null;
}
logger.debug(
"Attribute declaration: '{0}' in ns '{1}' ", decl.getName(), decl.getTargetNamespace());
Node attributeDeclarationNode =
parentNode.addNode(decl.getName(), XsdLexicon.ATTRIBUTE_DECLARATION);
attributeDeclarationNode.setProperty(XsdLexicon.NC_NAME, decl.getName());
attributeDeclarationNode.setProperty(XsdLexicon.NAMESPACE, decl.getTargetNamespace());
if (decl.isGlobal() && !isUse) {
registerForSymbolSpace(
ATTRIBUTE_DECLARATIONS,
decl.getTargetNamespace(),
decl.getName(),
attributeDeclarationNode.getIdentifier());
}
XSDTypeDefinition type = decl.getType();
if (type != null) {
attributeDeclarationNode.setProperty(XsdLexicon.TYPE_NAME, type.getName());
attributeDeclarationNode.setProperty(XsdLexicon.TYPE_NAMESPACE, type.getTargetNamespace());
}
processAnnotation(decl.getAnnotation(), attributeDeclarationNode);
processNonSchemaAttributes(type, attributeDeclarationNode);
return attributeDeclarationNode;
}
protected void processComplexTypeDefinition(XSDComplexTypeDefinition type, Node parentNode)
throws RepositoryException {
logger.debug("Complex type: '{0}' in ns '{1}' ", type.getName(), type.getTargetNamespace());
boolean isAnonymous = type.getName() == null;
String nodeName = isAnonymous ? XsdLexicon.COMPLEX_TYPE : type.getName();
Node typeNode = parentNode.addNode(nodeName, XsdLexicon.COMPLEX_TYPE_DEFINITION);
typeNode.setProperty(XsdLexicon.NAMESPACE, type.getTargetNamespace());
if (!isAnonymous) {
typeNode.setProperty(XsdLexicon.NC_NAME, type.getName());
registerForSymbolSpace(
TYPE_DEFINITIONS, type.getTargetNamespace(), type.getName(), typeNode.getIdentifier());
}
XSDTypeDefinition baseType = type.getBaseType();
if (baseType == type) {
// The base type is the anytype ...
baseType =
type.getSchema()
.getSchemaForSchema()
.resolveComplexTypeDefinition("http://www.w3.org/2001/XMLSchema", "anyType");
}
if (baseType != null) {
typeNode.setProperty(XsdLexicon.BASE_TYPE_NAME, baseType.getName());
typeNode.setProperty(XsdLexicon.BASE_TYPE_NAMESPACE, baseType.getTargetNamespace());
}
typeNode.setProperty(XsdLexicon.ABSTRACT, type.isAbstract());
typeNode.setProperty(XsdLexicon.MIXED, type.isMixed());
@SuppressWarnings("unchecked")
List<XSDProhibitedSubstitutions> blocks = type.getBlock();
processEnumerators(blocks, typeNode, XsdLexicon.BLOCK);
@SuppressWarnings("unchecked")
List<XSDSimpleFinal> finalFacets = type.getFinal();
processEnumerators(finalFacets, typeNode, XsdLexicon.FINAL);
processComplexTypeContent(type.getContent(), typeNode);
processAnnotation(type.getAnnotation(), typeNode);
processNonSchemaAttributes(type, typeNode);
}
/**
* Return a collection of all types referenced by the attributes (XSDFeatures) of source. This
* method is non-recursive (i.e. the list only contains direct references, not
* references-of-references) Will not return null, but may return an empty set. This will return a
* BO reference if the file has been deleted (or just doesn't exist).
*
* @param source The complex type to examine for references
* @param includeAnonymous if true, the returned list will include anonymous inlined types as
* well. These are not technically "referenced", however it allows this method to be used as a
* way to get all non-primitive types used in any way by source
* @return a Collection of XSDTypeDefinition (could be complex or simple type) instances -- no
* duplicates
*/
public static Collection<XSDTypeDefinition> getAllReferencedTypes(
XSDComplexTypeDefinition source, boolean includeAnonymous) {
if (source == null) {
return Collections.emptySet();
}
List<XSDTypeDefinition> results = new ArrayList<XSDTypeDefinition>();
XSDTypeDefinition elementType = null;
for (Iterator<XSDParticleContent> i = getChildElements(source).iterator(); i.hasNext(); ) {
XSDFeature next = (XSDFeature) i.next();
elementType = getResolvedType(next);
// Only add non-null, non-duplicate, non-primitive types. If includeAnonymous is false,
// anonymous types should be filtered out as well
if (elementType != null
&& !results.contains(elementType)
&& !XSDConstants.isSchemaForSchemaNamespace(elementType.getTargetNamespace())
&& (includeAnonymous || elementType.eContainer() != next)) {
results.add(elementType);
}
}
return results;
}
protected Node processElementDeclaration(XSDElementDeclaration decl, Node parentNode)
throws RepositoryException {
if (decl == null) {
return null;
}
logger.debug(
"Element declaration: '{0}' in ns '{1}' ", decl.getName(), decl.getTargetNamespace());
Node declarationNode;
if (decl.getName() != null) {
// Normal element declaration ...
declarationNode = parentNode.addNode(decl.getName(), XsdLexicon.ELEMENT_DECLARATION);
declarationNode.setProperty(XsdLexicon.NC_NAME, decl.getName());
declarationNode.setProperty(XsdLexicon.NAMESPACE, decl.getTargetNamespace());
} else {
assert decl.isFeatureReference() : "expected element reference";
XSDElementDeclaration resolved = decl.getResolvedElementDeclaration();
declarationNode = parentNode.addNode(resolved.getName(), XsdLexicon.ELEMENT_DECLARATION);
declarationNode.setProperty(XsdLexicon.REF_NAME, resolved.getName());
declarationNode.setProperty(XsdLexicon.REF_NAMESPACE, resolved.getTargetNamespace());
setReference(
declarationNode,
XsdLexicon.REF,
ELEMENT_DECLARATION,
resolved.getTargetNamespace(),
resolved.getName());
}
if (decl.isGlobal()) {
registerForSymbolSpace(
ELEMENT_DECLARATION,
decl.getTargetNamespace(),
decl.getName(),
declarationNode.getIdentifier());
}
declarationNode.setProperty(XsdLexicon.ABSTRACT, decl.isAbstract());
declarationNode.setProperty(XsdLexicon.NILLABLE, decl.isNillable());
XSDTypeDefinition type = decl.getType();
if (type != null) {
declarationNode.setProperty(XsdLexicon.TYPE_NAME, type.getName());
declarationNode.setProperty(XsdLexicon.TYPE_NAMESPACE, type.getTargetNamespace());
setReference(
declarationNode,
XsdLexicon.TYPE_REFERENCE,
TYPE_DEFINITIONS,
type.getTargetNamespace(),
type.getName());
}
if (decl.getAnonymousTypeDefinition() == type) {
// It's anonymous, so we need to process the definition here ...
if (type instanceof XSDComplexTypeDefinition) {
processComplexTypeDefinition((XSDComplexTypeDefinition) type, declarationNode);
} else if (type instanceof XSDSimpleTypeDefinition) {
processSimpleTypeDefinition((XSDSimpleTypeDefinition) type, declarationNode);
}
}
processEnumerator(decl.getForm(), declarationNode, XsdLexicon.FORM);
@SuppressWarnings("unchecked")
List<XSDProhibitedSubstitutions> finals = decl.getLexicalFinal();
processEnumerators(finals, declarationNode, XsdLexicon.FINAL);
@SuppressWarnings("unchecked")
List<XSDProhibitedSubstitutions> blocks = decl.getBlock();
processEnumerators(blocks, declarationNode, XsdLexicon.BLOCK);
processAnnotation(decl.getAnnotation(), declarationNode);
processNonSchemaAttributes(type, declarationNode);
return declarationNode;
}
protected void processTypeFacets(
XSDSimpleTypeDefinition type, Node typeNode, XSDTypeDefinition baseType)
throws RepositoryException {
if (baseType == null) {
baseType = type.getBaseType();
}
if (baseType == type) {
// The base type is the anytype ...
baseType =
type.getSchema()
.getSchemaForSchema()
.resolveSimpleTypeDefinition("http://www.w3.org/2001/XMLSchema", "anyType");
}
if (baseType != null) {
typeNode.setProperty(XsdLexicon.BASE_TYPE_NAME, baseType.getName());
typeNode.setProperty(XsdLexicon.BASE_TYPE_NAMESPACE, baseType.getTargetNamespace());
setReference(
typeNode,
XsdLexicon.BASE_TYPE_REFERENCE,
TYPE_DEFINITIONS,
baseType.getTargetNamespace(),
baseType.getName());
}
processFacet(
type.getEffectiveMaxLengthFacet(), typeNode, XsdLexicon.MAX_LENGTH, PropertyType.LONG);
processFacet(type.getMaxLengthFacet(), typeNode, XsdLexicon.MAX_LENGTH, PropertyType.LONG);
processFacet(
type.getEffectiveMinLengthFacet(), typeNode, XsdLexicon.MIN_LENGTH, PropertyType.LONG);
processFacet(type.getMinLengthFacet(), typeNode, XsdLexicon.MIN_LENGTH, PropertyType.LONG);
processFacet(
type.getEffectiveMaxFacet(), typeNode, XsdLexicon.MAX_VALUE_EXCLUSIVE, PropertyType.LONG);
processFacet(
type.getMaxExclusiveFacet(), typeNode, XsdLexicon.MAX_VALUE_EXCLUSIVE, PropertyType.LONG);
processFacet(
type.getEffectiveMinFacet(), typeNode, XsdLexicon.MIN_VALUE_EXCLUSIVE, PropertyType.LONG);
processFacet(
type.getMinExclusiveFacet(), typeNode, XsdLexicon.MIN_VALUE_EXCLUSIVE, PropertyType.LONG);
processFacet(
type.getMaxInclusiveFacet(), typeNode, XsdLexicon.MAX_VALUE_INCLUSIVE, PropertyType.LONG);
processFacet(
type.getMinInclusiveFacet(), typeNode, XsdLexicon.MIN_VALUE_INCLUSIVE, PropertyType.LONG);
processFacet(
type.getEffectiveTotalDigitsFacet(), typeNode, XsdLexicon.TOTAL_DIGITS, PropertyType.LONG);
processFacet(type.getTotalDigitsFacet(), typeNode, XsdLexicon.TOTAL_DIGITS, PropertyType.LONG);
processFacet(
type.getEffectiveFractionDigitsFacet(),
typeNode,
XsdLexicon.FRACTION_DIGITS,
PropertyType.LONG);
processFacet(
type.getFractionDigitsFacet(), typeNode, XsdLexicon.FRACTION_DIGITS, PropertyType.LONG);
processFacet(
type.getEffectiveWhiteSpaceFacet(), typeNode, XsdLexicon.WHITESPACE, PropertyType.STRING);
processFacet(type.getWhiteSpaceFacet(), typeNode, XsdLexicon.WHITESPACE, PropertyType.STRING);
processFacet(
type.getEffectivePatternFacet(), typeNode, XsdLexicon.PATTERN, PropertyType.STRING);
@SuppressWarnings("unchecked")
List<XSDPatternFacet> patternFacets = type.getPatternFacets();
processFacetsList(patternFacets, typeNode, XsdLexicon.PATTERN);
processFacet(
type.getEffectiveEnumerationFacet(),
typeNode,
XsdLexicon.ENUMERATED_VALUES,
PropertyType.STRING);
@SuppressWarnings("unchecked")
List<XSDEnumerationFacet> enumFacets = type.getEnumerationFacets();
processFacetsList(enumFacets, typeNode, XsdLexicon.ENUMERATED_VALUES);
@SuppressWarnings("unchecked")
List<XSDSimpleFinal> finalFacets2 = type.getFinal();
processEnumerators(finalFacets2, typeNode, XsdLexicon.FINAL);
processAnnotation(type.getAnnotation(), typeNode);
}
/**
* Creates an {@link AttributeType} that matches the xsd type definition as much as possible.
*
* <p>The original type definition given by the {@link XSDTypeDefinition} is kept as
* AttributeType's metadata stored as a "user data" property using <code>XSDTypeDefinition.class
* </code> as key.
*
* <p>If it is a complex attribute, it will contain all the properties declared in the <code>
* typeDefinition</code>, as well as all the properties declared in its super types. TODO: handle
* the case where the extension mechanism is restriction.
*
* @param assignedName
* @param typeDefinition
* @return
*/
private AttributeType createType(
final Name assignedName,
final XSDTypeDefinition typeDefinition,
CoordinateReferenceSystem crs,
boolean anonymous) {
AttributeType attType;
// /////////
if (processingTypes.contains(assignedName)) {
if (LOGGER.isLoggable(Level.FINE)) {
LOGGER.fine("Recursion found for type " + assignedName + ". Proxying it.");
}
attType =
createProxiedType(
assignedName, typeDefinition, anonymous ? anonTypeRegistry : typeRegistry);
return attType;
}
processingTypes.push(assignedName);
// //////////
final XSDTypeDefinition baseType = typeDefinition.getBaseType();
AttributeType superType = null;
if (baseType != null) {
String targetNamespace = baseType.getTargetNamespace();
String name = baseType.getName();
if (name != null) {
Name baseTypeName = new NameImpl(targetNamespace, name);
superType = getAttributeType(baseTypeName, baseType, crs);
}
} else {
LOGGER.warning(assignedName + " has no super type");
}
if (typeDefinition instanceof XSDComplexTypeDefinition) {
XSDComplexTypeDefinition complexTypeDef;
complexTypeDef = (XSDComplexTypeDefinition) typeDefinition;
boolean includeParents = true;
List<XSDElementDeclaration> children =
Schemas.getChildElementDeclarations(typeDefinition, includeParents);
final Collection<PropertyDescriptor> schema =
new ArrayList<PropertyDescriptor>(children.size());
XSDElementDeclaration childDecl;
AttributeDescriptor descriptor;
for (Iterator it = children.iterator(); it.hasNext(); ) {
childDecl = (XSDElementDeclaration) it.next();
try {
descriptor = createAttributeDescriptor(complexTypeDef, childDecl, crs);
} catch (NoSuchElementException e) {
String msg =
"Failed to create descriptor for '"
+ childDecl.getTargetNamespace()
+ "#"
+ childDecl.getName()
+ " from container '"
+ typeDefinition.getTargetNamespace()
+ "#"
+ typeDefinition.getName()
+ "'";
NoSuchElementException nse = new NoSuchElementException(msg);
nse.initCause(e);
throw nse;
}
schema.add(descriptor);
}
if (includeAttributes) {
for (XSDAttributeUse attgcontent : complexTypeDef.getAttributeUses()) {
XSDAttributeDeclaration att = attgcontent.getContent();
descriptor =
createAttributeDescriptor(
getXmlAttributeType(),
null,
new NameImpl(null, "@" + att.getName()),
0,
1,
false,
null);
schema.add(descriptor);
}
}
// set substitution group for descriptors here
for (XSDElementDeclaration elemDecl : children) {
if (elemDecl.isElementDeclarationReference()) {
elemDecl = elemDecl.getResolvedElementDeclaration();
}
PropertyDescriptor att = null;
for (PropertyDescriptor desc : schema) {
if (desc.getName().getLocalPart().equals(elemDecl.getName())
&& desc.getName().getNamespaceURI().equals(elemDecl.getTargetNamespace())) {
att = desc;
break;
}
}
setSubstitutionGroup(complexTypeDef, elemDecl, att, crs);
}
attType = createComplexAttributeType(assignedName, schema, complexTypeDef, superType);
} else {
Class<?> binding = String.class;
boolean isIdentifiable = false;
boolean isAbstract = false;
List<Filter> restrictions = Collections.emptyList();
InternationalString description = null;
attType =
typeFactory.createAttributeType(
assignedName,
binding,
isIdentifiable,
isAbstract,
restrictions,
superType,
description);
}
attType.getUserData().put(XSDTypeDefinition.class, typeDefinition);
processingTypes.pop();
// even if the type is anonymous, it still has to be registered somewhere because
// it's needed for the proxied types to find them. That's why we have 2 registries,
// typeRegistry
// and anonTypeRegistry. TypeRegistry is the global one, since anonymous types are meant to
// be
// local and shouldn't be searchable.
register(attType, anonymous);
return attType;
}
/**
* If the type of elemDecl is annonymous creates a new type with the same name than the atrribute
* and returns it. If it is not anonymous, looks it up on the registry and in case the type does
* not exists in the registry uses a proxy.
*
* @param elemDecl
* @return
*/
private AttributeType getTypeOf(XSDElementDeclaration elemDecl, CoordinateReferenceSystem crs) {
XSDTypeDefinition typeDefinition;
// TODO REVISIT, I'm not sure this is the way to find out if the
// element's type is defined in line (an thus no need to register it
// as a global type)
if (elemDecl.isElementDeclarationReference()) {
elemDecl = elemDecl.getResolvedElementDeclaration();
}
boolean hasToBeRegistered = false;
typeDefinition = elemDecl.getAnonymousTypeDefinition();
if (typeDefinition == null) {
// anonymous types already has type definition inline in the element
// so the handling is different
hasToBeRegistered = true;
typeDefinition = elemDecl.getTypeDefinition();
}
if (typeDefinition == null) {
// last resort.. look in the lazy schemas
QName qname =
Types.toQName(Types.typeName(elemDecl.getTargetNamespace(), elemDecl.getName()));
for (SchemaIndex schemaIndex : schemas) {
elemDecl = schemaIndex.getElementDeclaration(qname);
if (elemDecl != null) {
break;
}
}
if (elemDecl != null) {
if (elemDecl.isElementDeclarationReference()) {
elemDecl = elemDecl.getResolvedElementDeclaration();
}
typeDefinition = elemDecl.getAnonymousTypeDefinition();
if (typeDefinition == null) {
typeDefinition = elemDecl.getTypeDefinition();
}
}
}
if (typeDefinition == null) {
String msg =
"The element declaration "
+ elemDecl.getTargetNamespace()
+ "#"
+ elemDecl.getName()
+ " has a null type definition, can't continue, fix it on the schema";
LOGGER.warning(msg);
throw new NoSuchElementException(msg);
}
AttributeType type;
if (hasToBeRegistered) {
String targetNamespace = typeDefinition.getTargetNamespace();
String name = typeDefinition.getName();
Name typeName = Types.typeName(targetNamespace, name);
type = getAttributeType(typeName, typeDefinition, crs);
if (type == null) {
type = createType(typeName, typeDefinition, crs, false);
}
} else {
String name = elemDecl.getName();
String targetNamespace = elemDecl.getTargetNamespace();
Name overrideName = Types.typeName(targetNamespace, name);
type = createType(overrideName, typeDefinition, crs, true);
}
return type;
}
private void setSubstitutionGroup(
XSDComplexTypeDefinition container,
XSDElementDeclaration elemDecl,
PropertyDescriptor descriptor,
CoordinateReferenceSystem crs) {
if (descriptor.getUserData().get("substitutionGroup") != null) {
// this has been done before
return;
}
List<AttributeDescriptor> substitutionGroup = new ArrayList<AttributeDescriptor>();
descriptor.getUserData().put("substitutionGroup", substitutionGroup);
int minOccurs = Schemas.getMinOccurs(container, elemDecl);
int maxOccurs = Schemas.getMaxOccurs(container, elemDecl);
boolean nillable = elemDecl.isNillable();
Iterator substitutions = elemDecl.getSubstitutionGroup().iterator();
XSDElementDeclaration sub;
while (substitutions.hasNext()) {
sub = (XSDElementDeclaration) substitutions.next();
if (!(sub.getName().equals(elemDecl.getName()))
|| !(sub.getTargetNamespace().equals(elemDecl.getTargetNamespace()))) {
Name elemName = Types.typeName(sub.getTargetNamespace(), sub.getName());
AttributeType type = getTypeOf(sub, crs);
if (type != null) {
substitutionGroup.add(
createAttributeDescriptor(type, crs, elemName, minOccurs, maxOccurs, nillable, null));
}
}
}
XSDTypeDefinition typeDef = elemDecl.getType();
if (typeDef instanceof XSDComplexTypeDefinition) {
Name typeName = Types.typeName(typeDef.getTargetNamespace(), typeDef.getName());
AttributeType attType = typeRegistry.get(typeName);
if (!processingTypes.contains(typeName)) {
// ignore processingTypes to avoid endless recursion
if (attType == null || attType instanceof AbstractLazyComplexTypeImpl) {
// type is not yet registered or it's a lazy type from foundation types
// recreate lazy type to ensure everything is loaded
// it will eventually call this method so substitution groups will be set then
LOGGER.finest("Creating attribute type " + typeName);
createType(typeName, typeDef, crs, false);
LOGGER.finest("Registering attribute type " + typeName);
} else if (attType instanceof ComplexType) {
// ensure substitution groups are set for children including non lazy foundation
// types
ComplexType complexType = (ComplexType) attType;
Collection<PropertyDescriptor> children = complexType.getDescriptors();
List<XSDParticle> childParticles = Schemas.getChildElementParticles(typeDef, true);
for (XSDParticle particle : childParticles) {
XSDElementDeclaration element = (XSDElementDeclaration) particle.getContent();
if (element.isElementDeclarationReference()) {
element = element.getResolvedElementDeclaration();
}
PropertyDescriptor childDesc = null;
for (PropertyDescriptor desc : children) {
if (desc.getName().getLocalPart().equals(element.getName())
&& desc.getName().getNamespaceURI().equals(element.getTargetNamespace())) {
childDesc = desc;
break;
}
}
if (childDesc != null) {
setSubstitutionGroup((XSDComplexTypeDefinition) typeDef, element, childDesc, crs);
}
}
}
}
}
}
public void encode(Object object, QName name, ContentHandler handler)
throws IOException, SAXException {
// maintain a stack of (encoding,element declaration pairs)
Stack encoded = null;
try {
serializer = handler;
if (!inline) {
serializer.startDocument();
}
if (namespaceAware) {
// write out all the namespace prefix value mappings
for (Enumeration e = namespaces.getPrefixes(); e.hasMoreElements(); ) {
String prefix = (String) e.nextElement();
String uri = namespaces.getURI(prefix);
if ("xml".equals(prefix)) {
continue;
}
serializer.startPrefixMapping(prefix, uri);
}
for (Iterator itr = schema.getQNamePrefixToNamespaceMap().entrySet().iterator();
itr.hasNext(); ) {
Map.Entry entry = (Map.Entry) itr.next();
String pre = (String) entry.getKey();
String ns = (String) entry.getValue();
if (XSDUtil.SCHEMA_FOR_SCHEMA_URI_2001.equals(ns)) {
continue;
}
serializer.startPrefixMapping(pre, ns);
serializer.endPrefixMapping(pre);
namespaces.declarePrefix((pre != null) ? pre : "", ns);
}
// ensure a default namespace prefix set
if (namespaces.getURI("") == null) {
namespaces.declarePrefix("", schema.getTargetNamespace());
}
}
// create the document
DocumentBuilderFactory docFactory = DocumentBuilderFactory.newInstance();
try {
doc = docFactory.newDocumentBuilder().newDocument();
} catch (ParserConfigurationException e) {
new IOException().initCause(e);
}
encoded = new Stack();
// add the first entry
XSDElementDeclaration root = index.getElementDeclaration(name);
if (root == null) {
// check for context hint, this is only used when running the encoder
// in test mode
QName typeDefintion =
(QName) context.getComponentInstance("http://geotools.org/typeDefinition");
if (typeDefintion != null) {
XSDTypeDefinition type = index.getTypeDefinition(typeDefintion);
if (type == null) {
throw new NullPointerException();
}
// create a mock element declaration
root = XSDFactory.eINSTANCE.createXSDElementDeclaration();
root.setName(name.getLocalPart());
root.setTargetNamespace(name.getNamespaceURI());
root.setTypeDefinition(type);
}
}
if (root == null) {
String msg = "Could not find element declaration for:" + name;
throw new IllegalArgumentException(msg);
}
encoded.add(new EncodingEntry(object, root, null));
while (!encoded.isEmpty()) {
EncodingEntry entry = (EncodingEntry) encoded.peek();
if (entry.encoding != null) {
// element has been started, get the next child
if (!entry.children.isEmpty()) {
Object[] child = (Object[]) entry.children.get(0);
XSDElementDeclaration element = (XSDElementDeclaration) child[0];
Iterator itr = (Iterator) child[1];
if (itr.hasNext()) {
Object next = itr.next();
if (next == null) {
logger.warning("Iterator returned null for " + element.getName());
}
// here we check for instanceof EncoderDelegate
if (next instanceof EncoderDelegate) {
// do not add entry to the stack, just delegate to encode
try {
((EncoderDelegate) next).encode(handler);
} catch (Exception e) {
throw new RuntimeException(e);
}
} else {
// add the next object to be encoded to the stack
encoded.push(new EncodingEntry(next, element, entry));
}
} else {
// iterator done, close it
Object source = child[2];
closeIterator(itr, source);
// this child is done, remove from child list
entry.children.remove(0);
}
} else {
// no more children, finish the element
end(entry.encoding);
encoded.pop();
// clean up the entry
entry.object = null;
entry.element = null;
entry.encoding = null;
entry.children = null;
entry.parent = null;
}
} else {
// start the encoding of the entry
// first make sure the element is not abstract
if (entry.element.isAbstract()) {
// look for a non abstract substitute - substitution groups are subject to
// changes over time, so we make a copy to avoid being hit with a
// ConcurrentModificationException
List sub = safeCopy(entry.element.getSubstitutionGroup());
if (sub.size() > 0) {
// match up by type
List matches = new ArrayList();
for (Iterator s = sub.iterator(); s.hasNext(); ) {
XSDElementDeclaration e = (XSDElementDeclaration) s.next();
if (e == null || e.equals(entry.element)) {
continue;
}
if (e.getName() == null) {
continue;
}
// look up hte binding
Binding binding =
bindingLoader.loadBinding(
new QName(e.getTargetNamespace(), e.getName()), context);
if (binding == null) {
// try the type
XSDTypeDefinition type = e.getType();
if (type == null || type.getName() == null) {
continue;
}
binding =
bindingLoader.loadBinding(
new QName(type.getTargetNamespace(), type.getName()), context);
}
if (binding == null) {
continue;
}
if (binding.getType() == null) {
logger.warning("Binding: " + binding.getTarget() + " returns null type.");
continue;
}
// match up the type
if (binding.getType().isAssignableFrom(entry.object.getClass())) {
// we have a match, store as an (element,binding) tuple
matches.add(new Object[] {e, binding});
}
}
// if one, we are gold
if (matches.size() == 1) {
entry.element = (XSDElementDeclaration) ((Object[]) matches.get(0))[0];
}
// if multiple we have a problem
else if (matches.size() > 0) {
if (logger.isLoggable(Level.FINE)) {
StringBuffer msg = new StringBuffer("Found multiple non-abstract bindings for ");
msg.append(entry.element.getName()).append(": ");
for (Iterator m = matches.iterator(); m.hasNext(); ) {
msg.append(m.next().getClass().getName());
msg.append(", ");
}
logger.fine(msg.toString());
}
// try sorting by the type of the binding
Collections.sort(
matches,
new Comparator() {
public int compare(Object o1, Object o2) {
Object[] match1 = (Object[]) o1;
Object[] match2 = (Object[]) o2;
Binding b1 = (Binding) match1[1];
Binding b2 = (Binding) match2[1];
if (b1.getType() != b2.getType()) {
if (b2.getType().isAssignableFrom(b1.getType())) {
return -1;
}
if (b1.getType().isAssignableFrom(b2.getType())) {
return 1;
}
}
// use binding comparability
if (b1 instanceof Comparable) {
return ((Comparable) b1).compareTo(b2);
}
if (b2 instanceof Comparable) {
return -1 * ((Comparable) b2).compareTo(b1);
}
return 0;
}
});
}
if (matches.size() > 0) {
entry.element = (XSDElementDeclaration) ((Object[]) matches.get(0))[0];
}
// if zero, just use the abstract element
}
}
if (entry.element.isAbstract()) {
logger.fine(entry.element.getName() + " is abstract");
}
entry.encoding =
entry.parent != null
? (Element) encode(entry.object, entry.element, entry.parent.element.getType())
: (Element) encode(entry.object, entry.element);
// add any more attributes
List attributes = index.getAttributes(entry.element);
for (Iterator itr = attributes.iterator(); itr.hasNext(); ) {
XSDAttributeDeclaration attribute = (XSDAttributeDeclaration) itr.next();
// do not encode the attribute if it has already been
// encoded by the parent
String ns = attribute.getTargetNamespace();
String local = attribute.getName();
if ((entry.encoding.getAttributeNS(ns, local) != null)
&& !"".equals(entry.encoding.getAttributeNS(ns, local))) {
continue;
}
// get the object(s) for this attribute
GetPropertyExecutor executor = new GetPropertyExecutor(entry.object, attribute);
BindingVisitorDispatch.walk(object, bindingWalker, entry.element, executor, context);
if (executor.getChildObject() != null) {
// encode the attribute
Attr attr = (Attr) encode(executor.getChildObject(), attribute);
if (attr != null) {
entry.encoding.setAttributeNodeNS(attr);
}
}
}
// write out the leading edge of the element
if (schemaLocations != null) {
// root element, add schema locations if set
if (!schemaLocations.isEmpty()) {
// declare the schema instance mapping
serializer.startPrefixMapping("xsi", XSDUtil.SCHEMA_INSTANCE_URI_2001);
serializer.endPrefixMapping("xsi");
namespaces.declarePrefix("xsi", XSDUtil.SCHEMA_INSTANCE_URI_2001);
StringBuffer schemaLocation = new StringBuffer();
for (Iterator e = schemaLocations.entrySet().iterator(); e.hasNext(); ) {
Map.Entry tuple = (Map.Entry) e.next();
String namespaceURI = (String) tuple.getKey();
String location = (String) tuple.getValue();
schemaLocation.append(namespaceURI + " " + location);
if (e.hasNext()) {
schemaLocation.append(" ");
}
}
entry.encoding.setAttributeNS(
XSDUtil.SCHEMA_INSTANCE_URI_2001,
"xsi:schemaLocation",
schemaLocation.toString());
}
schemaLocations = null;
}
start(entry.encoding, entry.element);
// TODO: this method of getting at properties wont maintain order very well, need
// to come up with a better system that is capable of hanlding feature types
for (Iterator pe = propertyExtractors.iterator(); pe.hasNext(); ) {
PropertyExtractor propertyExtractor = (PropertyExtractor) pe.next();
if (propertyExtractor.canHandle(entry.object)) {
List extracted = propertyExtractor.properties(entry.object, entry.element);
O:
for (Iterator e = extracted.iterator(); e.hasNext(); ) {
Object[] tuple = (Object[]) e.next();
XSDParticle particle = (XSDParticle) tuple[0];
XSDElementDeclaration child = (XSDElementDeclaration) particle.getContent();
// check for a comment
if ((child != null)
&& (COMMENT.getNamespaceURI().equals(child.getTargetNamespace()))
&& COMMENT.getLocalPart().equals(child.getName())) {
comment(child.getElement());
continue;
}
if (child.isElementDeclarationReference()) {
child = child.getResolvedElementDeclaration();
}
// do not encode the element if the parent has already
// been encoded by the parent
String ns = child.getTargetNamespace();
String local = child.getName();
for (int i = 0; i < entry.encoding.getChildNodes().getLength(); i++) {
Node node = entry.encoding.getChildNodes().item(i);
if (node instanceof Element) {
if (ns != null) {
if (ns.equals(node.getNamespaceURI()) && local.equals(node.getLocalName())) {
continue O;
}
} else {
if (local.equals(node.getLocalName())) {
continue O;
}
}
}
}
Object obj = tuple[1];
if (obj == null) {
if (particle.getMinOccurs() == 0) {
// cool
} else {
// log an error
logger.fine("Property " + ns + ":" + local + " not found but minoccurs > 0 ");
}
// skip this regardless
continue;
}
// figure out the maximum number of occurences
int maxOccurs = 1;
if (particle.isSetMaxOccurs()) {
maxOccurs = particle.getMaxOccurs();
} else {
// look the containing group
if (particle.eContainer() instanceof XSDModelGroup) {
XSDModelGroup group = (XSDModelGroup) particle.eContainer();
if (group.eContainer() instanceof XSDParticle) {
XSDParticle cParticle = (XSDParticle) group.eContainer();
if (cParticle.isSetMaxOccurs()) {
maxOccurs = cParticle.getMaxOccurs();
}
}
}
}
if ((maxOccurs == -1) || (maxOccurs > 1)) {
// may have a collection or array, unwrap it
Iterator iterator = null;
if (obj instanceof Iterator) {
iterator = (Iterator) obj;
} else if (obj.getClass().isArray()) {
Object[] array = (Object[]) obj;
iterator = Arrays.asList(array).iterator();
} else if (obj instanceof Collection) {
Collection collection = (Collection) obj;
iterator = collection.iterator();
} else if (obj instanceof FeatureCollection) {
FeatureCollection collection = (FeatureCollection) obj;
iterator = collection.iterator();
} else {
iterator = new SingleIterator(obj);
}
entry.children.add(new Object[] {child, iterator, obj});
} else {
// only one, just add the object
entry.children.add(new Object[] {child, new SingleIterator(obj), obj});
}
}
}
}
}
}
if (!inline) {
serializer.endDocument();
}
} finally {
// cleanup
index.destroy();
// close any iterators still present in the stack, this will only occur in an exception
// case
if (encoded != null) {
while (!encoded.isEmpty()) {
EncodingEntry entry = (EncodingEntry) encoded.pop();
if (!entry.children.isEmpty()) {
Object[] child = (Object[]) entry.children.get(0);
Iterator itr = (Iterator) child[1];
try {
closeIterator(itr, child[2]);
} catch (Exception e) {
// ignore, we are already in an error case.
}
}
}
}
// TODO: there are probably other refences to elements of XSDScheam objects, we should
// kill them too
}
}