/**
* Get the four coordinates that represent the bounding box which includes all the layers
* indicated for a WMTS Server
*
* @param urlServer Url of the WMTS server to connect and get the data
* @param crs CRS of the bounding box
* @param layers List of layers to include in the bounding box calculated
* @return A list of coordinates that represents the bounding box calculated (minX, minY, maxX,
* maxY). null if haven't valid bounding box
*/
private List<String> getWMTSLayersBoundingBox(String urlServer, String crs, String layerId) {
List<String> boundingBox = new ArrayList<String>();
WMTSBoundingBox bBox = null;
String[] crsSplit = crs.split(":");
String regExpCrs =
"(.*)(:?)"
.concat(crsSplit[0])
.concat("((:)(.*)(:)")
.concat(crsSplit[1])
.concat("|(:)")
.concat(crsSplit[1])
.concat(")");
try {
// get WMTS manager
WMTSOGCManager wmtsMan = WMTSOGCLocator.getManager();
WMTSClient wmtsClient = wmtsMan.createWMTSClient(urlServer);
wmtsClient.connect(true, null);
if (StringUtils.isNotEmpty(layerId)) {
WMTSLayer layer = getLayerWMTSById(wmtsClient, layerId);
if (layer != null) {
// TODO
// Need a list of bounding box of the layer
// to calculate which is the most appropiate
// WMTSBoundingBox bBox = layer.getBBox();
List<WMTSTileMatrixSetLink> tileMatrixSetLink = layer.getTileMatrixSetLink();
Iterator<WMTSTileMatrixSetLink> itTileMatrix = tileMatrixSetLink.iterator();
while (itTileMatrix.hasNext()) {
WMTSTileMatrixSetLink wmtsTileMatrixSetLink = itTileMatrix.next();
WMTSTileMatrixSet tileMatrixSet = wmtsTileMatrixSetLink.getTileMatrixSet();
String supportedCRS = tileMatrixSet.getSupportedCRS();
if (supportedCRS.equals(crs) || supportedCRS.matches(regExpCrs)) {
bBox = tileMatrixSet.getBoundingBox();
break;
}
}
if (bBox != null) {
double[] lowerCorner = bBox.getLowerCorner();
double[] upperCorner = bBox.getUpperCorner();
boundingBox.add(String.valueOf(lowerCorner[0]));
boundingBox.add(String.valueOf(lowerCorner[1]));
boundingBox.add(String.valueOf(upperCorner[0]));
boundingBox.add(String.valueOf(upperCorner[1]));
}
}
}
} catch (Exception exc) {
logger.error("Exception on getWMTSLayersBoundingBox", exc);
throw new ServerGeoException();
}
return boundingBox;
}
/*
* (non-Javadoc)
* @see es.gva.dgti.gvgeoportal.service.ogc.OGCInfoService
* #getCapabilitiesFromWMTS(String, String, boolean)
*/
public WMTSInfo getCapabilitiesFromWMTS(
String urlServerWMTS, TreeSet<String> listCrs, boolean useCrsSelected)
throws ServerGeoException {
TreeSet<String> formatsSupported = new TreeSet<String>();
TreeSet<String> crsSupported = new TreeSet<String>();
boolean isFormatsSupported = false;
WMTSInfo wmtsInfo = new WMTSInfo();
// put url on object WMSInfo
wmtsInfo.setServiceUrl(urlServerWMTS);
// Create hashmap to add the layers getted to the WMTSInfo object
Map<String, org.gvsig.framework.web.ogc.WMTSLayer> layersMap =
new HashMap<String, org.gvsig.framework.web.ogc.WMTSLayer>();
// get WMTS manager
WMTSOGCManager wmtsMan = WMTSOGCLocator.getManager();
try {
WMTSClient wmtsClient = wmtsMan.createWMTSClient(urlServerWMTS);
wmtsClient.connect(true, null);
WMTSServiceIdentification wmtsServIden = wmtsClient.getServiceIdentification();
// set server info
wmtsInfo.setServiceAbstract(wmtsServIden.getAbstract());
wmtsInfo.setServiceTitle(wmtsServIden.getTitle());
wmtsInfo.setVersion(wmtsServIden.getServiceTypeVersion());
wmtsInfo.setServiceType(wmtsServIden.getServiceType());
// set id of the request wmst (service title + calendar)
int hashCode = (wmtsServIden.getTitle() + Calendar.getInstance()).hashCode();
wmtsInfo.setId(hashCode);
// set tile matrix and check if has support to crs of the map
List<String> patternList = new ArrayList<String>();
if (!listCrs.isEmpty()) {
for (String crs : listCrs) {
String[] crsSplit = crs.split(":");
String pattern =
"(.*)(:?)"
.concat(crsSplit[0])
.concat("((:)(.*)(:)")
.concat(crsSplit[1])
.concat("|(:)")
.concat(crsSplit[1])
.concat(")");
patternList.add(pattern);
}
}
// hashmap with: identifier of tile matrix, supported crs
Map<String, String> tileMatrixCrsSupported = new HashMap<String, String>();
TreeSet<String> tileMatrixSelectedId = new TreeSet<String>();
List<WMTSTileMatrixSet> tileMatrixSet = wmtsClient.getTileMatrixSet();
for (int i = 0; i < tileMatrixSet.size(); i++) {
WMTSTileMatrixSet tileMatrix = tileMatrixSet.get(i);
String identifier = tileMatrix.getIdentifier();
String supportedCRS = tileMatrix.getSupportedCRS();
crsSupported.add(supportedCRS);
// add to map the tile matrix with its crs supported
tileMatrixCrsSupported.put(identifier, supportedCRS);
if (!listCrs.isEmpty()) {
if (listCrs.contains(supportedCRS)) {
tileMatrixSelectedId.add(identifier);
} else {
// check supportedCrs with the expReg generated by the
// list of crs passed
for (String expReg : patternList) {
if (supportedCRS.matches(expReg)) {
tileMatrixSelectedId.add(identifier);
}
}
}
}
}
// Add map of tile matrix and the tile matrix selected to WMTSInfo
// object
wmtsInfo.setTileMatrixCrsSupported(tileMatrixCrsSupported);
wmtsInfo.setTileMatrixSelectedId(tileMatrixSelectedId);
// Only set layers if has a tile matrix with crs of the map
// supported
// or crs is null
WMTSThemes layerListAsThemes = wmtsClient.getLayerListAsThemes();
// Create tree with layer values
List<TreeNode> tree = new ArrayList<TreeNode>();
// Create children layers
for (int i = 0; i < layerListAsThemes.getChildCount(); i++) {
WMTSTheme wmtsTheme = layerListAsThemes.getChildren(i);
WMTSLayer layer = wmtsTheme.getLayer();
TreeSet<String> wmtsLinkSelected = new TreeSet<String>();
TreeSet<String> wmtsLinkSupported = new TreeSet<String>();
// check crs
List<WMTSTileMatrixSetLink> tileMatrixSetLink = layer.getTileMatrixSetLink();
for (int j = 0; j < tileMatrixSetLink.size(); j++) {
WMTSTileMatrixSetLink wmtsLink = tileMatrixSetLink.get(j);
wmtsLinkSupported.add(wmtsLink.getTileMatrixSetId());
if (!tileMatrixSelectedId.isEmpty()
&& tileMatrixSelectedId.contains(wmtsLink.getTileMatrixSetId())) {
wmtsLinkSelected.add(wmtsLink.getTileMatrixSetId());
}
}
// check format
TreeSet<String> setFormats = new TreeSet<String>();
setFormats.addAll(layer.getFormat());
String format = getFirstFormatSupported(setFormats);
formatsSupported.addAll(setFormats);
if ((!wmtsLinkSelected.isEmpty() || listCrs.isEmpty()) && format != null) {
isFormatsSupported = true;
TreeNode node = new TreeNode(layer.getIdentifier());
node.setTitle(layer.getTitle());
node.setFolder(false);
tree.add(node);
// Add layer to layer map
org.gvsig.framework.web.ogc.WMTSLayer wmtsLayer =
new org.gvsig.framework.web.ogc.WMTSLayer();
TreeSet<String> crsSet = new TreeSet<String>();
crsSet.addAll(layer.getSrsList());
wmtsLayer.setCrs(crsSet);
wmtsLayer.setName(layer.getIdentifier());
wmtsLayer.setTitle(layer.getTitle());
wmtsLayer.setFormatSelected(format);
wmtsLayer.setFormatsSupported(setFormats);
if (listCrs.isEmpty()) {
wmtsLayer.setTileMatrixSelected(wmtsLinkSupported);
} else {
wmtsLayer.setTileMatrixSelected(wmtsLinkSelected);
}
layersMap.put(layer.getIdentifier(), wmtsLayer);
}
}
wmtsInfo.setFormatsSupported(formatsSupported);
wmtsInfo.setLayersTree(tree);
wmtsInfo.setLayers(layersMap);
wmtsInfo.setIsFormatsSupported(isFormatsSupported);
wmtsInfo.setCrsSupported(crsSupported);
} catch (Exception exc) {
logger.error("Exception on getCapabilitiesFromWMS", exc);
throw new ServerGeoException();
}
return wmtsInfo;
}