xmlschemabuilder.java

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      }
    String sg = getAttribute(attrs, "substitutionGroup");
    QName substitutionGroup = QName.valueOf(sg);
    String sgPrefix = substitutionGroup.getPrefix();
    if (sgPrefix != null && !"".equals(sgPrefix))
      {
        String sgName = substitutionGroup.getLocalPart();
        String sgNamespace = node.lookupNamespaceURI(sgPrefix);
        substitutionGroup = new QName(sgNamespace, sgName);
      }
    
    String block = getAttribute(attrs, "block");
    int substitutionGroupExclusions = (block == null) ?
      schema.blockDefault :
      parseBlockSet(block);
    String final_ = getAttribute(attrs, "final");
    int disallowedSubstitutions = (final_ == null) ?
      schema.finalDefault :
      parseFullDerivationSet(final_);
    
    boolean nillable = "true".equals(getAttribute(attrs, "nillable"));
    boolean isAbstract = "true".equals(getAttribute(attrs, "abstract"));
    
    if (notTopLevel)
      {
        minOccurs = getOccurrence(getAttribute(attrs, "minOccurs"));
        maxOccurs = getOccurrence(getAttribute(attrs, "maxOccurs"));
        String form = getAttribute(attrs, "form");
        if (form != null)
          {
            if ("qualified".equals(form))
              {
                elementNamespace = schema.targetNamespace;
              }
          }
        else if (schema.elementFormQualified)
          {
            elementNamespace = schema.targetNamespace;
          }
      }
    ElementDeclaration ed =
      new ElementDeclaration(new QName(elementNamespace, elementName),
                             datatype,
                             scope, parent,
                             constraintType, constraintValue,
                             nillable,
                             substitutionGroup, 
                             substitutionGroupExclusions, 
                             disallowedSubstitutions,
                             isAbstract);
    
    for (Node child = node.getFirstChild(); child != null;
         child = child.getNextSibling())
      {
        String uri = child.getNamespaceURI();
        String name = child.getLocalName();
        if (XMLConstants.W3C_XML_SCHEMA_NS_URI.equals(uri) &&
            child.getNodeType() == Node.ELEMENT_NODE)
          {
            if ("annotation".equals(name))
              {
                ed.annotation = parseAnnotation(child);
              }
            else if ("simpleType".equals(name) && datatype == null)
              {
                ed.datatype = parseSimpleType(child);
              }
            else if ("complexType".equals(name) && datatype == null)
              {
                ed.datatype = parseComplexType(child, ed);
              }
            else
              {
                // throw schema exception
              }
          }
      }

    if (notTopLevel)
      {
        return new Particle(minOccurs, maxOccurs, ed);
      }
    else
      {
        return ed;
      }
  }

  Integer getOccurrence(String value)
  {
    if (value == null)
      {
        return new Integer(1);
      }
    else if ("unbounded".equals(value))
      {
        return null;
      }
    else
      {
        return new Integer(value);
      }
  }

  SimpleType parseSimpleType(QName typeName)
    throws DatatypeException
  {
    SimpleType type = (SimpleType) schema.types.get(typeName);
    if (!XMLConstants.W3C_XML_SCHEMA_NS_URI.equals(typeName.getNamespaceURI()))
      return null;
    String localName = typeName.getLocalPart();
    return (SimpleType) typeLibrary.createDatatype(localName);
  }

  SimpleType parseSimpleType(Node simpleType)
    throws DatatypeException
  {
    NamedNodeMap attrs = simpleType.getAttributes();
    String typeFinal = getAttribute(attrs, "final");
    if (typeFinal == null)
      {
        Node schema = simpleType.getParentNode();
        while (schema != null && !"schema".equals(schema.getLocalName()))
          {
            schema = schema.getParentNode();
          }
        if (schema != null)
          {
            NamedNodeMap schemaAttrs = schema.getAttributes();
            typeFinal = getAttribute(schemaAttrs, "finalDefault");
          }
      }
    int typeFinality = parseSimpleTypeDerivationSet(typeFinal);
    QName typeName = asQName(getAttribute(attrs, "name"), simpleType);
    int variety = 0;
    Set facets = new LinkedHashSet();
    int fundamentalFacets = 0; // TODO
    SimpleType baseType = null; // TODO
    Annotation annotation = null;
    // TODO use DatatypeBuilder
    for (Node child = simpleType.getFirstChild(); child != null;
         child = child.getNextSibling())
      {
        String uri = child.getNamespaceURI();
        String name = child.getLocalName();
        if (XMLConstants.W3C_XML_SCHEMA_NS_URI.equals(uri) &&
            child.getNodeType() == Node.ELEMENT_NODE)
          {
            if ("annotation".equals(name))
              {
                annotation = parseAnnotation(child);
              }
            else if ("restriction".equals(name))
              {
                // TODO
              }
            else if ("list".equals(name))
              {
                variety = SimpleType.LIST;
                // TODO
              }
            else if ("union".equals(name))
              {
                variety = SimpleType.UNION;
                // TODO
              }
          }
      }
    return new SimpleType(typeName, variety, facets, fundamentalFacets,
                          baseType, annotation);
  }

  Type parseComplexType(Node complexType, ElementDeclaration parent)
    throws DatatypeException
  {
    NamedNodeMap attrs = complexType.getAttributes();
    QName typeName = asQName(getAttribute(attrs, "name"), complexType);
    boolean isAbstract = "true".equals(getAttribute(attrs, "abstract"));
    String block = getAttribute(attrs, "block");
    int prohibitedSubstitutions = (block == null) ?
      schema.blockDefault :
      parseComplexTypeBlockSet(block);
    String final_ = getAttribute(attrs, "final");
    int finality = (final_ == null) ?
      schema.finalDefault :
      parseComplexTypeDerivationSet(final_);
    ComplexType type = new ComplexType(typeName, isAbstract,
                                       prohibitedSubstitutions, finality);
    boolean mixed = "true".equals(getAttribute(attrs, "mixed"));
    for (Node child = complexType.getFirstChild(); child != null;
         child = child.getNextSibling())
      {
        String uri = child.getNamespaceURI();
        String name = child.getLocalName();
        if (XMLConstants.W3C_XML_SCHEMA_NS_URI.equals(uri) &&
            child.getNodeType() == Node.ELEMENT_NODE)
          {
            if ("simpleContent".equals(name))
              {
                parseSimpleContent(child, type);
              }
          }
      }
    if (mixed)
      {
        type.contentType = XMLSchema.CONTENT_MIXED;
      } 
    return type;
  }

  void parseSimpleContent(Node simpleContent, ComplexType type)
    throws DatatypeException
  {
    for (Node child = simpleContent.getFirstChild(); child != null;
         child = child.getNextSibling())
      {
        String uri = child.getNamespaceURI();
        String name = child.getLocalName();
        if (XMLConstants.W3C_XML_SCHEMA_NS_URI.equals(uri) &&
            child.getNodeType() == Node.ELEMENT_NODE)
          {
            if ("annotation".equals(name))
              {
                type.annotations.add(parseAnnotation(child));
              }
            else if ("restriction".equals(name))
              {
                type.derivationMethod = XMLSchema.FINAL_RESTRICTION;
                parseRestriction(child, type);
              }
            else if ("extension".equals(name))
              {
                type.derivationMethod = XMLSchema.FINAL_EXTENSION;
                parseExtension(child, type);
              }
          }
      }
  }

  void parseRestriction(Node restriction, ComplexType type)
    throws DatatypeException
  {
    NamedNodeMap attrs = restriction.getAttributes();
    String base = getAttribute(attrs, "base");
    QName baseType = asQName(base, restriction);
    SimpleType simpleType = null;
    for (Node child = restriction.getFirstChild(); child != null;
         child = child.getNextSibling())
      {
        String uri = child.getNamespaceURI();
        String name = child.getLocalName();
        if (XMLConstants.W3C_XML_SCHEMA_NS_URI.equals(uri) &&
            child.getNodeType() == Node.ELEMENT_NODE)
          {
            if ("annotation".equals(name))
              {
                type.annotations.add(parseAnnotation(child));
              }
            else if ("simpleType".equals(name))
              {
                type.contentType = XMLSchema.CONTENT_SIMPLE;
                simpleType = parseSimpleType(child);
              }
            else if ("minExclusive".equals(name))
              {
              }
            else if ("minInclusive".equals(name))
              {
              }
            else if ("maxExclusive".equals(name))
              {
              }
            else if ("maxInclusive".equals(name))
              {
              }
            else if ("totalDigits".equals(name))
              {
              }
            else if ("fractionDigits".equals(name))
              {
              }
            else if ("length".equals(name))
              {
              }
            else if ("minLength".equals(name))
              {
              }
            else if ("maxLength".equals(name))
              {
              }
            else if ("enumeration".equals(name))
              {
              }
            else if ("whiteSpace".equals(name))
              {
              }
            else if ("pattern".equals(name))
              {
              }
            else if ("attribute".equals(name))
              {
                AttributeUse use =
                  (AttributeUse) parseAttribute(child, false);
                schema.attributeDeclarations.put(use.declaration.name,
                                                 use.declaration);
                type.attributeUses.add(use);
              }
            else if ("attributeGroup".equals(name))
              {
                NamedNodeMap agAttrs = child.getAttributes();
                String ref = getAttribute(agAttrs, "ref");
                QName ag = asQName(ref, child);
                type.attributeUses.add(ag);
              }
            else if ("anyAttribute".equals(name))
              {
                type.attributeWildcard = parseAnyAttribute(child);
              }
          }
      }
  }

  void parseExtension(Node extension, ComplexType type)
    throws DatatypeException
  {
    NamedNodeMap attrs = extension.getAttributes();
    String base = getAttribute(attrs, "base");
    QName baseType = asQName(base, extension);
    for (Node child = extension.getFirstChild(); child != null;
         child = child.getNextSibling())
      {
        String uri = child.getNamespaceURI();
        String name = child.getLocalName();
        if (XMLConstants.W3C_XML_SCHEMA_NS_URI.equals(uri) &&
            child.getNodeType() == Node.ELEMENT_NODE)
          {
            if ("annotation".equals(name))
              {
                type.annotations.add(parseAnnotation(child));
              }
            else if ("attribute".equals(name))
              {
                AttributeUse use =
                  (AttributeUse) parseAttribute(child, false);
                schema.attributeDeclarations.put(use.declaration.name,
                                                 use.declaration);
                type.attributeUses.add(use);
              }
            else if ("attributeGroup".equals(name))
              {
                NamedNodeMap agAttrs = child.getAttributes();
                String ref = getAttribute(agAttrs, "ref");
                QName ag = asQName(ref, child);
                type.attributeUses.add(ag);
              }
            else if ("anyAttribute".equals(name))
              {
                type.attributeWildcard = parseAnyAttribute(child);
              }
          }
      }
  }

  AnyAttribute parseAnyAttribute(Node node)
  {
    NamedNodeMap attrs = node.getAttributes();
    String namespace = getAttribute(attrs, "namespace");
    String pc = getAttribute(attrs, "processContents");
    int processContents = AnyAttribute.STRICT;
    if ("lax".equals(pc))
      {
        processContents = AnyAttribute.LAX;
      }
    else if ("skip".equals(pc))
      {
        processContents = AnyAttribute.SKIP;
      }
    AnyAttribute ret = new AnyAttribute(namespace, processContents);
    for (Node child = node.getFirstChild(); child != null;
         child = child.getNextSibling())
      {
        String uri = child.getNamespaceURI();
        String name = child.getLocalName();
        if (XMLConstants.W3C_XML_SCHEMA_NS_URI.equals(uri) &&
            child.getNodeType() == Node.ELEMENT_NODE)
          {
            if ("annotation".equals(name))
              {
                ret.annotation = parseAnnotation(child);
              }
          }
      }
    return ret;
  }

  Annotation parseAnnotation(Node node)
  {
    // TODO
    return null;
  }

  private static String getAttribute(NamedNodeMap attrs, String name)
  {
    Node attr = attrs.getNamedItem(name);
    return (attr == null) ? null : attr.getNodeValue();
  }

  private static QName asQName(String text, Node resolver)
  {
    QName name = QName.valueOf(text);
    String prefix = name.getPrefix();
    if (prefix != null && prefix.length() > 0)
      {
        String uri = resolver.lookupNamespaceURI(prefix);
        name = new QName(uri, name.getLocalPart());
      }
    return name;
  }
  
}