import java.util.Iterator;
import java.util.Set;
+import javax.xml.XMLConstants;
+import javax.xml.namespace.NamespaceContext;
+import javax.xml.namespace.QName;
+
import org.argeo.api.gcr.Content;
import org.argeo.api.gcr.ContentName;
import org.argeo.api.gcr.spi.AbstractContent;
+import org.argeo.api.gcr.spi.ProvidedContent;
+import org.argeo.api.gcr.spi.ProvidedSession;
import org.w3c.dom.Attr;
+import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.NamedNodeMap;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
import org.w3c.dom.Text;
-public class DomContent extends AbstractContent implements Content {
+public class DomContent extends AbstractContent implements ProvidedContent {
- private final DomContentProvider contentProvider;
+ private final ProvidedSession session;
+ private final DomContentProvider provider;
private final Element element;
// private String text = null;
private Boolean hasText = null;
- public DomContent(DomContentProvider contentProvider, Element element) {
- this.contentProvider = contentProvider;
+ public DomContent(ProvidedSession session, DomContentProvider contentProvider, Element element) {
+ this.session = session;
+ this.provider = contentProvider;
this.element = element;
}
- @Override
- public Iterator<Content> iterator() {
- NodeList nodeList = element.getChildNodes();
- return new ElementIterator(contentProvider, nodeList);
+ public DomContent(DomContent context, Element element) {
+ this(context.getSession(), context.getProvider(), element);
}
@Override
- public String getName() {
- return element.getNodeName();
+ public QName getName() {
+ return toQName(this.element);
+ }
+
+ protected QName toQName(Node node) {
+ String prefix = node.getPrefix();
+ if (prefix == null) {
+ String namespaceURI = node.getNamespaceURI();
+ if (namespaceURI == null)
+ namespaceURI = node.getOwnerDocument().lookupNamespaceURI(null);
+ if (namespaceURI == null) {
+ return toQName(node, node.getLocalName());
+ } else {
+ String contextPrefix = session.getPrefix(namespaceURI);
+ if (contextPrefix == null)
+ throw new IllegalStateException("Namespace " + namespaceURI + " is unbound");
+ return toQName(node, namespaceURI, node.getLocalName(), session);
+ }
+ } else {
+ String namespaceURI = node.getNamespaceURI();
+ if (namespaceURI == null)
+ namespaceURI = node.getOwnerDocument().lookupNamespaceURI(prefix);
+ if (namespaceURI == null) {
+ namespaceURI = session.getNamespaceURI(prefix);
+ if (XMLConstants.NULL_NS_URI.equals(namespaceURI))
+ throw new IllegalStateException("Prefix " + prefix + " is unbound");
+ // TODO bind the prefix in the document?
+ }
+ return toQName(node, namespaceURI, node.getLocalName(), session);
+ }
+ }
+
+ protected QName toQName(Node source, String namespaceURI, String localName, NamespaceContext namespaceContext) {
+ return new ContentName(namespaceURI, localName, session);
+ }
+
+ protected QName toQName(Node source, String localName) {
+ return new ContentName(localName);
}
+ /*
+ * ATTRIBUTES OPERATIONS
+ */
@Override
- public Iterable<String> keys() {
+ public Iterable<QName> keys() {
// TODO implement an iterator?
- Set<String> result = new HashSet<>();
+ Set<QName> result = new HashSet<>();
NamedNodeMap attributes = element.getAttributes();
for (int i = 0; i < attributes.getLength(); i++) {
Attr attr = (Attr) attributes.item(i);
- String attrName = attr.getNodeName();
- result.add(attrName);
+ QName key = toQName(attr);
+ result.add(key);
}
return result;
}
@Override
- public <A> A get(String key, Class<A> clss) {
- if (element.hasAttribute(key)) {
- String value = element.getAttribute(key);
+ public <A> A get(QName key, Class<A> clss) {
+ String namespaceUriOrNull = XMLConstants.NULL_NS_URI.equals(key.getNamespaceURI()) ? null
+ : key.getNamespaceURI();
+ if (element.hasAttributeNS(namespaceUriOrNull, key.getLocalPart())) {
+ String value = element.getAttributeNS(namespaceUriOrNull, key.getLocalPart());
if (clss.isAssignableFrom(String.class))
return (A) value;
else
return null;
}
+ @Override
+ public Object put(QName key, Object value) {
+ Object previous = get(key);
+ String namespaceUriOrNull = XMLConstants.NULL_NS_URI.equals(key.getNamespaceURI()) ? null
+ : key.getNamespaceURI();
+ element.setAttributeNS(namespaceUriOrNull,
+ namespaceUriOrNull == null ? key.getLocalPart() : key.getPrefix() + ":" + key.getLocalPart(),
+ value.toString());
+ return previous;
+ }
+
@Override
public boolean hasText() {
// return element instanceof Text;
return null;
}
+ /*
+ * CONTENT OPERATIONS
+ */
+
+ @Override
+ public Iterator<Content> iterator() {
+ NodeList nodeList = element.getChildNodes();
+ return new ElementIterator(session, provider, nodeList);
+ }
+
@Override
public Content getParent() {
Node parent = element.getParentNode();
return null;
if (!(parent instanceof Element))
throw new IllegalStateException("Parent is not an element");
- return new DomContent(contentProvider, (Element) parent);
+ return new DomContent(this, (Element) parent);
}
@Override
- public Content add(String name, ContentName... classes) {
+ public Content add(QName name, QName... classes) {
// TODO consider classes
- Element child = contentProvider.createElement(name);
- return new DomContent(contentProvider, child);
+ Document document = this.element.getOwnerDocument();
+ String namespaceUriOrNull = XMLConstants.NULL_NS_URI.equals(name.getNamespaceURI()) ? null
+ : name.getNamespaceURI();
+ Element child = document.createElementNS(namespaceUriOrNull,
+ namespaceUriOrNull == null ? name.getLocalPart() : name.getPrefix() + ":" + name.getLocalPart());
+ element.appendChild(child);
+ return new DomContent(this, child);
}
@Override
}
@Override
- protected void removeAttr(String key) {
- element.removeAttribute(key);
+ protected void removeAttr(QName key) {
+ String namespaceUriOrNull = XMLConstants.NULL_NS_URI.equals(key.getNamespaceURI()) ? null
+ : key.getNamespaceURI();
+ element.removeAttributeNS(namespaceUriOrNull,
+ namespaceUriOrNull == null ? key.getLocalPart() : key.getPrefix() + ":" + key.getLocalPart());
+
+ }
+
+ public ProvidedSession getSession() {
+ return session;
+ }
+ public DomContentProvider getProvider() {
+ return provider;
}
}
projects / lgpl / argeo-commons.git / blobdiff