/**
* Build the SAX attributes object based upon Java's String map. This convenience method will
* build, or add to an existing attributes object, the attributes detailed in the AttributeMap.
*
* @param namespaces SAX Helper class to keep track of namespaces able to determine the correct
* prefix for a given namespace URI.
* @param attributes An existing SAX AttributesImpl object to add attributes too. If the value is
* null then a new attributes object will be created to house the attributes.
* @param attributeMap A map of attributes and values.
* @return
*/
private AttributesImpl map2sax(
Namespace elementNamespace,
NamespaceSupport namespaces,
AttributesImpl attributes,
AttributeMap attributeMap) {
if (attributes == null) attributes = new AttributesImpl();
if (attributeMap != null) {
// Figure out the namespace issue
Namespace namespace = attributeMap.getNamespace();
String URI;
if (namespace != null) URI = namespace.URI;
else URI = WingConstants.DRI.URI;
String prefix = namespaces.getPrefix(URI);
// copy each one over.
for (String name : attributeMap.keySet()) {
String value = attributeMap.get(name);
if (value == null) continue;
// If the indended namespace is the element's namespace then we
// leave
// off the namespace declaration because w3c say's its redundent
// and breaks lots of xsl stuff.
if (elementNamespace.URI.equals(URI))
attributes.addAttribute("", name, name, "CDATA", value);
else attributes.addAttribute(URI, name, qName(prefix, name), "CDATA", value);
}
}
return attributes;
}
/**
* Create the qName for the element with the given localName and namespace prefix.
*
* @param namespace (May be null) The namespace prefix.
* @param localName (Required) The element's local name.
* @return
*/
private String qName(Namespace namespace, String localName) {
String prefix = namespaces.getPrefix(namespace.URI);
if (prefix == null || prefix.equals("")) {
return localName;
} else {
return prefix + ":" + localName;
}
}
protected void start(Element element, XSDElementDeclaration declaration) throws SAXException {
String uri = element.getNamespaceURI();
String local = element.getLocalName();
String qName = element.getLocalName();
NamespaceSupport namespaces = this.namespaces;
// declaration == null -> gml3 envelope encoding test failing
// declaration.getSchema() == null -> wfs 2.0 feature collection encoding test failing
if (namespaceAware
&& (declaration == null
|| declaration.isGlobal()
|| declaration.getSchema() == null
|| declaration.getSchema().getElementFormDefault() == XSDForm.QUALIFIED_LITERAL)) {
uri = (uri != null) ? uri : namespaces.getURI("");
qName = namespaces.getPrefix(uri) + ":" + qName;
} else {
uri = "";
}
DOMAttributes atts = new DOMAttributes(element.getAttributes(), namespaces);
serializer.startElement(uri, local, qName, atts);
// write out any text
for (int i = 0; i < element.getChildNodes().getLength(); i++) {
Node node = (Node) element.getChildNodes().item(i);
if (node instanceof Text) {
char[] ch = ((Text) node).getData().toCharArray();
serializer.characters(ch, 0, ch.length);
}
}
// write out any child elements
for (int i = 0; i < element.getChildNodes().getLength(); i++) {
Node node = (Node) element.getChildNodes().item(i);
if (node instanceof Element) {
Element child = (Element) node;
start(
child,
Schemas.getChildElementDeclaration(
declaration, new QName(child.getNamespaceURI(), child.getNodeName())));
end(child);
}
}
// push a new context for children, declaring the default prefix to be the one of this
// element
this.namespaces.pushContext();
if (uri != null) {
this.namespaces.declarePrefix("", uri);
}
}
/**
* Send the SAX events to start this element.
*
* @param contentHandler (Required) The registered contentHandler where SAX events should be
* routed too.
* @param namespaces (Required) SAX Helper class to keep track of namespaces able to determine the
* correct prefix for a given namespace URI.
* @param namespace (Required) The namespace of this element.
* @param name (Required) The local name of this element.
* @param attributes (May be null) Attributes for this element
*/
protected void startElement(
ContentHandler contentHandler,
NamespaceSupport namespaces,
Namespace namespace,
String name,
AttributeMap attributes)
throws SAXException {
String prefix = namespaces.getPrefix(namespace.URI);
contentHandler.startElement(
namespace.URI, name, qName(prefix, name), map2sax(namespace, namespaces, attributes));
}
public String getQName(int index) {
Node n = atts.item(index);
if (namespaces != null) {
String uri = n.getNamespaceURI();
String prefix = (uri != null) ? namespaces.getPrefix(uri) : null;
if (prefix != null) {
return prefix + ":" + n.getLocalName();
}
}
return n.getLocalName();
}
/**
* End of an element.
*
* @param uri namespace of the element.
* @param localName local name of the element.
* @param qName qualified name of the element.
* @throws SAXException passed through.
*/
@Override
public void endElement(String uri, String localName, String qName) throws SAXException {
if (allowElements) {
// check if we are past the minimum level requirements
if (minimumElementLevel < currentElementLevel) {
if (defaultURI != null && (uri == null || "".equals(uri))) {
// No namespace provided, use the default namespace.
String prefix = namespaces.getPrefix(defaultURI);
if (!(prefix == null || "".equals(prefix))) {
qName = prefix + ":" + localName;
}
contentHandler.endElement(defaultURI, localName, qName);
} else {
// Let the event pass through unmodified.
contentHandler.endElement(uri, localName, localName);
}
}
currentElementLevel--;
}
}
/**
* Send the SAX events to end this element.
*
* @param contentHandler (Required) The registered contentHandler where SAX events should be
* routed too.
* @param namespaces (Required) SAX Helper class to keep track of namespaces able to determine the
* correct prefix for a given namespace URI.
* @param namespace (Required) The namespace of this element.
* @param name (Required) The local name of this element.
*/
protected void endElement(
ContentHandler contentHandler, NamespaceSupport namespaces, Namespace namespace, String name)
throws SAXException {
String prefix = namespaces.getPrefix(namespace.URI);
contentHandler.endElement(namespace.URI, name, qName(prefix, name));
}
