private Pair<Namespace, String> parseAttributeName(
String attributeName, String separator, String id, Element md, Dbms dbms, EditLib editLib)
throws Exception {
Integer indexColon = attributeName.indexOf(separator);
String localname = attributeName;
Namespace attrNS = Namespace.NO_NAMESPACE;
// ... with qualified name
if (indexColon != -1) {
String prefix = attributeName.substring(0, indexColon);
localname = attributeName.substring(indexColon + separator.length());
String schema = dataManager.getMetadataSchema(dbms, id);
String namespace =
editLib.getNamespace(prefix + ":" + localname, md, dataManager.getSchema(schema));
attrNS = Namespace.getNamespace(prefix, namespace);
}
return Pair.write(attrNS, localname);
}
/**
* For Ajax Editing : adds an element or an attribute to a metadata element ([add] link).
*
* @param dbms
* @param session
* @param id
* @param ref
* @param name
* @param childName
* @return
* @throws Exception
*/
public synchronized Element addElementEmbedded(
Dbms dbms, UserSession session, String id, String ref, String name, String childName)
throws Exception {
String schema = dataManager.getMetadataSchema(dbms, id);
// --- get metadata from session
Element md = getMetadataFromSession(session, id);
// --- ref is parent element so find it
EditLib editLib = dataManager.getEditLib();
Element el = editLib.findElement(md, ref);
if (el == null) throw new IllegalStateException(MSG_ELEMENT_NOT_FOUND_AT_REF + ref);
// --- locate the geonet:element and geonet:info elements and clone for
// --- later re-use
Element refEl = (Element) (el.getChild(Edit.RootChild.ELEMENT, Edit.NAMESPACE)).clone();
Element info = (Element) (md.getChild(Edit.RootChild.INFO, Edit.NAMESPACE)).clone();
md.removeChild(Edit.RootChild.INFO, Edit.NAMESPACE);
Element child = null;
MetadataSchema mds = dataManager.getSchema(schema);
if (childName != null) {
if (childName.equals("geonet:attribute")) {
String defaultValue = "";
List attributeDefs = el.getChildren(Edit.RootChild.ATTRIBUTE, Edit.NAMESPACE);
for (Object a : attributeDefs) {
Element attributeDef = (Element) a;
if (attributeDef != null
&& attributeDef.getAttributeValue(Edit.Attribute.Attr.NAME).equals(name)) {
Element defaultChild =
attributeDef.getChild(Edit.Attribute.Child.DEFAULT, Edit.NAMESPACE);
if (defaultChild != null) {
defaultValue = defaultChild.getAttributeValue(Edit.Attribute.Attr.VALUE);
}
}
}
Pair<Namespace, String> attInfo = parseAttributeName(name, ":", id, md, dbms, editLib);
// --- Add new attribute with default value
el.setAttribute(new Attribute(attInfo.two(), defaultValue, attInfo.one()));
// TODO : add attribute should be false and del true after adding an attribute
child = el;
} else {
// --- normal element
child = editLib.addElement(schema, el, name);
if (!childName.equals("")) {
// --- or element
String uChildName = editLib.getUnqualifiedName(childName);
String prefix = editLib.getPrefix(childName);
String ns = editLib.getNamespace(childName, md, mds);
if (prefix.equals("")) {
prefix = editLib.getPrefix(el.getName());
ns = editLib.getNamespace(el.getName(), md, mds);
}
Element orChild = new Element(uChildName, prefix, ns);
child.addContent(orChild);
// --- add mandatory sub-tags
editLib.fillElement(schema, child, orChild);
}
}
} else {
child = editLib.addElement(schema, el, name);
}
// --- now enumerate the new child (if not a simple attribute)
if (childName == null || !childName.equals("geonet:attribute")) {
// --- now add the geonet:element back again to keep ref number
el.addContent(refEl);
int iRef = editLib.findMaximumRef(md);
editLib.expandElements(schema, child);
editLib.enumerateTreeStartingAt(child, iRef + 1, Integer.parseInt(ref));
// --- add editing info to everything from the parent down
editLib.expandTree(mds, el);
}
// --- attach the info element to the child
child.addContent(info);
// --- attach the info element to the metadata root)
md.addContent((Element) info.clone());
// --- store the metadata in the session again
setMetadataIntoSession(session, (Element) md.clone(), id);
// Return element added
return child;
}
/**
* TODO javadoc.
*
* @param dbms
* @param id
* @param changes
* @param currVersion
* @return
* @throws Exception
*/
private Element applyChanges(Dbms dbms, String id, Hashtable changes, String currVersion)
throws Exception {
Lib.resource.checkEditPrivilege(context, id);
Element md = xmlSerializer.select(dbms, "Metadata", id, context);
// --- check if the metadata has been deleted
if (md == null) {
return null;
}
EditLib editLib = dataManager.getEditLib();
String schema = dataManager.getMetadataSchema(dbms, id);
editLib.expandElements(schema, md);
editLib.enumerateTree(md);
// --- check if the metadata has been modified from last time
if (currVersion != null && !editLib.getVersion(id).equals(currVersion)) {
return null;
}
// --- update elements
for (Enumeration e = changes.keys(); e.hasMoreElements(); ) {
String ref = ((String) e.nextElement()).trim();
String val = ((String) changes.get(ref)).trim();
String attr = null;
if (updatedLocalizedTextElement(md, ref, val, editLib)) {
continue;
}
int at = ref.indexOf('_');
if (at != -1) {
attr = ref.substring(at + 1);
ref = ref.substring(0, at);
}
boolean xmlContent = false;
if (ref.startsWith("X")) {
ref = ref.substring(1);
xmlContent = true;
}
Element el = editLib.findElement(md, ref);
if (el == null) throw new IllegalStateException("Element not found at ref = " + ref);
if (attr != null) {
// The following work-around decodes any attribute name that has a COLON in it
// The : is replaced by the word COLON in the xslt so that it can be processed
// by the XML Serializer when an update is submitted - a better solution is
// to modify the argument handler in Jeeves to store arguments with their name
// as a value rather than as the element itself
Integer indexColon = attr.indexOf("COLON");
if (indexColon != -1) {
String prefix = attr.substring(0, indexColon);
String localname = attr.substring(indexColon + 5);
String namespace =
editLib.getNamespace(prefix + ":" + localname, md, dataManager.getSchema(schema));
Namespace attrNS = Namespace.getNamespace(prefix, namespace);
if (el.getAttribute(localname, attrNS) != null) {
el.setAttribute(new Attribute(localname, val, attrNS));
}
// End of work-around
} else {
if (el.getAttribute(attr) != null) el.setAttribute(new Attribute(attr, val));
}
} else if (xmlContent) {
if (Log.isDebugEnabled(Geonet.EDITOR)) Log.debug(Geonet.EDITOR, "replacing XML content");
el.removeContent();
val = addNamespaceToFragment(val);
el.addContent(Xml.loadString(val, false));
} else {
List content = el.getContent();
for (int i = 0; i < content.size(); i++) {
if (content.get(i) instanceof Text) {
el.removeContent((Text) content.get(i));
i--;
}
}
el.addContent(val);
}
}
// --- remove editing info added by previous call
editLib.removeEditingInfo(md);
editLib.contractElements(md);
return md;
}