/// <param name="histogram">
/// a histogram that represents the frequencies of tags </param>
public void optimizeWayOrdering(TShortIntHashMap histogram)
{
this.optimizedWayIds.Clear();
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final java.util.TreeSet<HistogramEntry> wayOrdering = new java.util.TreeSet<>();
SortedSet <HistogramEntry> wayOrdering = new SortedSet <HistogramEntry>();
histogram.forEachEntry(new TShortIntProcedureAnonymousInnerClassHelper2(this, wayOrdering));
short tmpWayID = 0;
OSMTag currentTag = null;
foreach (HistogramEntry histogramEntry in wayOrdering.descendingSet())
{
currentTag = this.idToWayTag[Convert.ToInt16(histogramEntry.id)];
this.optimizedWayIds[Convert.ToInt16(histogramEntry.id)] = Convert.ToInt16(tmpWayID);
LOGGER.finer("adding way tag: " + currentTag.tagKey() + " id:" + tmpWayID + " amount: " + histogramEntry.amount);
tmpWayID++;
}
}
// /**
// * @param tags
// * the tags
// * @return
// */
// private static short[] tagIDsFromList(List<OSMTag> tags) {
// short[] tagIDs = new short[tags.size()];
// int i = 0;
// for (OSMTag tag : tags) {
// tagIDs[i++] = tag.getId();
// }
//
// return tagIDs;
// }
/// <param name="key">
/// the key </param>
/// <param name="value">
/// the value </param>
/// <returns> the corresponding <seealso cref="OSMTag"/> </returns>
public OSMTag getWayTag(string key, string value)
{
return(this.stringToWayTag[OSMTag.tagKey(key, value)]);
}
private OSMTagMapping(URL tagConf)
{
try
{
sbyte defaultZoomAppear;
// ---- Parse XML file ----
DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
DocumentBuilder builder = factory.newDocumentBuilder();
Document document = builder.parse(tagConf.openStream());
XPath xpath = XPathFactory.newInstance().newXPath();
XPathExpression xe = xpath.compile(XPATH_EXPRESSION_DEFAULT_ZOOM);
defaultZoomAppear = sbyte.Parse((string)xe.evaluate(document, XPathConstants.STRING));
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final java.util.HashMap<Nullable<short>, java.util.Set<String>> tmpPoiZoomOverrides = new java.util.HashMap<>();
Dictionary <short?, ISet <string> > tmpPoiZoomOverrides = new Dictionary <short?, ISet <string> >();
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final java.util.HashMap<Nullable<short>, java.util.Set<String>> tmpWayZoomOverrides = new java.util.HashMap<>();
Dictionary <short?, ISet <string> > tmpWayZoomOverrides = new Dictionary <short?, ISet <string> >();
// ---- Get list of poi nodes ----
xe = xpath.compile(XPATH_EXPRESSION_POIS);
NodeList pois = (NodeList)xe.evaluate(document, XPathConstants.NODESET);
for (int i = 0; i < pois.Length; i++)
{
NamedNodeMap attributes = pois.item(i).Attributes;
string key = attributes.getNamedItem("key").TextContent;
string value = attributes.getNamedItem("value").TextContent;
string[] equivalentValues = null;
if (attributes.getNamedItem("equivalent-values") != null)
{
equivalentValues = attributes.getNamedItem("equivalent-values").TextContent.Split(",");
}
sbyte zoom = attributes.getNamedItem("zoom-appear") == null ? defaultZoomAppear : sbyte.Parse(attributes.getNamedItem("zoom-appear").TextContent);
bool renderable = attributes.getNamedItem("renderable") == null ? true : bool.Parse(attributes.getNamedItem("renderable").TextContent);
bool forcePolygonLine = attributes.getNamedItem("force-polygon-line") == null ? false : bool.Parse(attributes.getNamedItem("force-polygon-line").TextContent);
OSMTag osmTag = new OSMTag(this.poiID, key, value, zoom, renderable, forcePolygonLine);
if (this.stringToPoiTag.ContainsKey(osmTag.tagKey()))
{
LOGGER.warning("duplicate osm-tag found in tag-mapping configuration (ignoring): " + osmTag);
continue;
}
LOGGER.finest("adding poi: " + osmTag);
this.stringToPoiTag[osmTag.tagKey()] = osmTag;
if (equivalentValues != null)
{
foreach (string equivalentValue in equivalentValues)
{
this.stringToPoiTag[OSMTag.tagKey(key, equivalentValue)] = osmTag;
}
}
this.idToPoiTag[Convert.ToInt16(this.poiID)] = osmTag;
// also fill optimization mapping with identity
this.optimizedPoiIds[Convert.ToInt16(this.poiID)] = Convert.ToInt16(this.poiID);
// check if this tag overrides the zoom level spec of another tag
NodeList zoomOverrideNodes = pois.item(i).ChildNodes;
for (int j = 0; j < zoomOverrideNodes.Length; j++)
{
Node overriddenNode = zoomOverrideNodes.item(j);
if (overriddenNode is Element)
{
string keyOverridden = overriddenNode.Attributes.getNamedItem("key").TextContent;
string valueOverridden = overriddenNode.Attributes.getNamedItem("value").TextContent;
ISet <string> s = tmpPoiZoomOverrides[Convert.ToInt16(this.poiID)];
if (s == null)
{
s = new HashSet <>();
tmpPoiZoomOverrides[Convert.ToInt16(this.poiID)] = s;
}
s.Add(OSMTag.tagKey(keyOverridden, valueOverridden));
}
}
this.poiID++;
}
// ---- Get list of way nodes ----
xe = xpath.compile(XPATH_EXPRESSION_WAYS);
NodeList ways = (NodeList)xe.evaluate(document, XPathConstants.NODESET);
for (int i = 0; i < ways.Length; i++)
{
NamedNodeMap attributes = ways.item(i).Attributes;
string key = attributes.getNamedItem("key").TextContent;
string value = attributes.getNamedItem("value").TextContent;
string[] equivalentValues = null;
if (attributes.getNamedItem("equivalent-values") != null)
{
equivalentValues = attributes.getNamedItem("equivalent-values").TextContent.Split(",");
}
sbyte zoom = attributes.getNamedItem("zoom-appear") == null ? defaultZoomAppear : sbyte.Parse(attributes.getNamedItem("zoom-appear").TextContent);
bool renderable = attributes.getNamedItem("renderable") == null ? true : bool.Parse(attributes.getNamedItem("renderable").TextContent);
bool forcePolygonLine = attributes.getNamedItem("force-polygon-line") == null ? false : bool.Parse(attributes.getNamedItem("force-polygon-line").TextContent);
OSMTag osmTag = new OSMTag(this.wayID, key, value, zoom, renderable, forcePolygonLine);
if (this.stringToWayTag.ContainsKey(osmTag.tagKey()))
{
LOGGER.warning("duplicate osm-tag found in tag-mapping configuration (ignoring): " + osmTag);
continue;
}
LOGGER.finest("adding way: " + osmTag);
this.stringToWayTag[osmTag.tagKey()] = osmTag;
if (equivalentValues != null)
{
foreach (string equivalentValue in equivalentValues)
{
this.stringToWayTag[OSMTag.tagKey(key, equivalentValue)] = osmTag;
}
}
this.idToWayTag[Convert.ToInt16(this.wayID)] = osmTag;
// also fill optimization mapping with identity
this.optimizedWayIds[Convert.ToInt16(this.wayID)] = Convert.ToInt16(this.wayID);
// check if this tag overrides the zoom level spec of another tag
NodeList zoomOverrideNodes = ways.item(i).ChildNodes;
for (int j = 0; j < zoomOverrideNodes.Length; j++)
{
Node overriddenNode = zoomOverrideNodes.item(j);
if (overriddenNode is Element)
{
string keyOverridden = overriddenNode.Attributes.getNamedItem("key").TextContent;
string valueOverridden = overriddenNode.Attributes.getNamedItem("value").TextContent;
ISet <string> s = tmpWayZoomOverrides[Convert.ToInt16(this.wayID)];
if (s == null)
{
s = new HashSet <>();
tmpWayZoomOverrides[Convert.ToInt16(this.wayID)] = s;
}
s.Add(OSMTag.tagKey(keyOverridden, valueOverridden));
}
}
this.wayID++;
}
// copy temporary values from zoom-override data sets
foreach (KeyValuePair <short?, ISet <string> > entry in tmpPoiZoomOverrides.SetOfKeyValuePairs())
{
ISet <OSMTag> overriddenTags = new HashSet <OSMTag>();
foreach (string tagString in entry.Value)
{
OSMTag tag = this.stringToPoiTag[tagString];
if (tag != null)
{
overriddenTags.Add(tag);
}
}
if (overriddenTags.Count > 0)
{
this.poiZoomOverrides[entry.Key] = overriddenTags;
}
}
foreach (KeyValuePair <short?, ISet <string> > entry in tmpWayZoomOverrides.SetOfKeyValuePairs())
{
ISet <OSMTag> overriddenTags = new HashSet <OSMTag>();
foreach (string tagString in entry.Value)
{
OSMTag tag = this.stringToWayTag[tagString];
if (tag != null)
{
overriddenTags.Add(tag);
}
}
if (overriddenTags.Count > 0)
{
this.wayZoomOverrides[entry.Key] = overriddenTags;
}
}
// ---- Error handling ----
}
catch (SAXParseException spe)
{
LOGGER.severe("\n** Parsing error, line " + spe.LineNumber + ", uri " + spe.SystemId);
throw new System.InvalidOperationException(spe);
}
catch (SAXException sxe)
{
throw new System.InvalidOperationException(sxe);
}
catch (ParserConfigurationException pce)
{
throw new System.InvalidOperationException(pce);
}
catch (IOException ioe)
{
throw new System.InvalidOperationException(ioe);
}
catch (XPathExpressionException e)
{
throw new System.InvalidOperationException(e);
}
}