/**
* For Editing : adds an attribute from a metadata ([add] link). FIXME: Modify and use within Ajax
* controls
*
* @param dbms
* @param id
* @param ref
* @param name
* @param currVersion
* @return
* @throws Exception
*/
public synchronized boolean addAttribute(
Dbms dbms, String id, String ref, String name, String currVersion) throws Exception {
Element md = xmlSerializer.select(dbms, "Metadata", id);
// --- check if the metadata has been deleted
if (md == null) return false;
String schema = dataManager.getMetadataSchema(dbms, id);
EditLib editLib = dataManager.getEditLib();
editLib.expandElements(schema, md);
editLib.enumerateTree(md);
// --- get element to add
Element el = editLib.findElement(md, ref);
if (el == null) Log.error(Geonet.DATA_MANAGER, MSG_ELEMENT_NOT_FOUND_AT_REF + ref);
// throw new IllegalStateException("Element not found at ref = " + ref);
// --- remove editing info added by previous call
editLib.removeEditingInfo(md);
if (el != null) {
el.setAttribute(new Attribute(name, ""));
}
editLib.contractElements(md);
String parentUuid = null;
md =
dataManager.updateFixedInfo(
schema, id, null, md, parentUuid, DataManager.UpdateDatestamp.no, dbms);
String changeDate = null;
xmlSerializer.update(dbms, id, md, changeDate, false, context);
// Notifies the metadata change to metatada notifier service
dataManager.notifyMetadataChange(dbms, md, id);
// --- update search criteria
boolean workspace = false;
dataManager.indexInThreadPoolIfPossible(dbms, id, workspace);
return true;
}
/**
* 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;
}