/**
* Appends the XML representation of the given <code>Query</code> to an element.
*
* @param query
*/
private static void appendQuery(Element root, Query query)
throws IOException, XMLParsingException {
Element queryElem = XMLTools.appendElement(root, WFS, "wfs:Query");
if (query.getHandle() != null) {
queryElem.setAttribute("handle", query.getHandle());
}
if (query.getFeatureVersion() != null) {
queryElem.setAttribute("featureVersion", query.getFeatureVersion());
}
QualifiedName[] qn = query.getTypeNames();
String[] na = new String[qn.length];
for (int i = 0; i < na.length; i++) {
na[i] = qn[i].getAsString();
queryElem.setAttribute("xmlns:" + qn[i].getPrefix(), qn[i].getNamespace().toASCIIString());
}
String tn = StringTools.arrayToString(na, ',');
queryElem.setAttribute("typeName", tn);
PropertyPath[] propertyNames = query.getPropertyNames();
for (int i = 0; i < propertyNames.length; i++) {
Element propertyNameElement = XMLTools.appendElement(queryElem, WFS, "wfs:PropertyName");
appendPropertyPath(propertyNameElement, propertyNames[i]);
}
Function[] fn = query.getFunctions();
// copy function definitions into query node
if (fn != null) {
for (int i = 0; i < fn.length; i++) {
StringReader sr = new StringReader(fn[i].toXML().toString());
Document doc;
try {
doc = XMLTools.parse(sr);
} catch (SAXException e) {
throw new XMLParsingException("could not parse filter function", e);
}
XMLTools.copyNode(doc.getDocumentElement(), queryElem);
}
}
// copy filter into query node
if (query.getFilter() != null) {
StringReader sr = new StringReader(query.getFilter().toXML().toString());
Document doc;
try {
doc = XMLTools.parse(sr);
} catch (SAXException e) {
throw new XMLParsingException("could not parse filter", e);
}
Element elem = XMLTools.appendElement(queryElem, OGCNS, "ogc:Filter");
XMLTools.copyNode(doc.getDocumentElement(), elem);
}
SortProperty[] sp = query.getSortProperties();
if (sp != null) {
Element sortBy = XMLTools.appendElement(queryElem, OGCNS, "ogc:SortBy");
for (int i = 0; i < sp.length; i++) {
Element sortProp = XMLTools.appendElement(sortBy, OGCNS, "ogc:SortProperty");
XMLTools.appendElement(
sortProp, OGCNS, "ogc:PropertyName", sp[i].getSortProperty().getAsString());
if (!sp[i].getSortOrder()) {
XMLTools.appendElement(sortBy, OGCNS, "ogc:SortOrder", "DESC");
}
}
}
}
