return request;
}
@Override
public GetMapRequest read(Object request, Map kvp, Map rawKvp) throws Exception {
GetMapRequest getMap = (GetMapRequest) super.read(request, kvp, rawKvp);
// do some additional checks
// srs
String epsgCode = getMap.getSRS();
if (epsgCode != null) {
try {
// set the crs as well
CoordinateReferenceSystem mapcrs = CRS.decode(epsgCode);
getMap.setCrs(mapcrs);
} catch (Exception e) {
// couldnt make it - we send off a service exception with the
// correct info
throw new WmsException("Error occurred decoding the espg code " + epsgCode,
"InvalidSRS", e);
}
}
// remote OWS
String remoteOwsType = getMap.getRemoteOwsType();
remoteOwsType = remoteOwsType != null ? remoteOwsType.toUpperCase() : null;
if (remoteOwsType != null && !"WFS".equals(remoteOwsType)) {
throw new WmsException("Unsupported remote OWS type '" + remoteOwsType + "'");
}
// remote OWS url
URL remoteOwsUrl = getMap.getRemoteOwsURL();
if (remoteOwsUrl != null && remoteOwsType == null){
throw new WmsException("REMOTE_OWS_URL specified, but REMOTE_OWS_TYPE is missing");
}
final List<Object> requestedLayerInfos = new ArrayList<Object>();
// layers
String layerParam = (String) kvp.get("LAYERS");
if (layerParam != null) {
List<String> layerNames = KvpUtils.readFlat(layerParam);
requestedLayerInfos.addAll(parseLayers(layerNames, remoteOwsUrl, remoteOwsType));
List<MapLayerInfo> layers = new ArrayList<MapLayerInfo>();
for(Object o : requestedLayerInfos){
if(o instanceof LayerInfo){
layers.add(new MapLayerInfo((LayerInfo)o));
}else if(o instanceof LayerGroupInfo){
for(LayerInfo l : ((LayerGroupInfo)o).getLayers()){
layers.add(new MapLayerInfo(l));
}
}else if(o instanceof MapLayerInfo){
//it was a remote OWS layer, add it directly
layers.add((MapLayerInfo) o);
}
}
getMap.setLayers(layers.toArray(new MapLayerInfo[layers.size()]));
}
// raw styles parameter
String stylesParam = (String) kvp.get("STYLES");
List<String> styleNameList = new ArrayList<String>();
if (stylesParam != null) {
styleNameList.addAll(KvpUtils.readFlat(stylesParam));
}
// pre parse filters
List<Filter> filters = parseFilters(getMap);
// styles
// process SLD_BODY, SLD, then STYLES parameter
if (getMap.getSldBody() != null) {
if (LOGGER.isLoggable(Level.FINE)) {
LOGGER.fine("Getting layers and styles from SLD_BODY");
}
if (getMap.getValidateSchema().booleanValue()) {
List errors = validateSld(new ByteArrayInputStream(getMap.getSldBody().getBytes()));
if (errors.size() != 0) {
throw new WmsException(SLDValidator.getErrorMessage(new ByteArrayInputStream(
getMap.getSldBody().getBytes()), errors));
}
}
StyledLayerDescriptor sld = parseSld(new ByteArrayInputStream(getMap.getSldBody()
.getBytes()));
processSld(getMap, requestedLayerInfos, sld, styleNameList);
// set filter in, we'll check consistency later
getMap.setFilter(filters);
} else if (getMap.getSld() != null) {
if (LOGGER.isLoggable(Level.FINE)) {
LOGGER.fine("Getting layers and styles from reomte SLD");
}
URL sldUrl = getMap.getSld();
if (getMap.getValidateSchema().booleanValue()) {
InputStream input = Requests.getInputStream(sldUrl);
List errors = null;
try {
errors = validateSld(input);
} finally {
input.close();
}
if ((errors != null) && (errors.size() != 0)) {
input = Requests.getInputStream(sldUrl);
try {
throw new WmsException(SLDValidator.getErrorMessage(input, errors));
} finally {
input.close();
}
}
}
// JD: GEOS-420, Wrap the sldUrl in getINputStream method in order
// to do compression
InputStream input = Requests.getInputStream(sldUrl);
try {
StyledLayerDescriptor sld = parseSld(input);
processSld(getMap, requestedLayerInfos, sld, styleNameList);
} finally {
input.close();
}
// set filter in, we'll check consistency later
getMap.setFilter(filters);
} else {
if (LOGGER.isLoggable(Level.FINE)) {
LOGGER.fine("Getting layers and styles from LAYERS and STYLES");
}
// ok, parse the styles parameter in isolation
if (styleNameList.size() > 0){
List<Style> parseStyles = parseStyles(styleNameList);
getMap.setStyles(parseStyles);
}
// first, expand base layers and default styles
if (isParseStyle() && requestedLayerInfos.size() > 0) {
List<Style> oldStyles = getMap.getStyles() != null ? new ArrayList(getMap.getStyles())
: new ArrayList();
List<Style> newStyles = new ArrayList<Style>();
List<Filter> newFilters = filters == null ? null : new ArrayList<Filter>();
for (int i = 0; i < requestedLayerInfos.size(); i++) {
Object o = requestedLayerInfos.get(i);
Style style = oldStyles.isEmpty() ? null : (Style) oldStyles.get(i);
if (o instanceof LayerGroupInfo) {
LayerGroupInfo groupInfo = (LayerGroupInfo)o;
for(int j = 0; j < groupInfo.getStyles().size(); j++) {
StyleInfo si = groupInfo.getStyles().get(j);
if(si == null)
si = groupInfo.getLayers().get(j).getDefaultStyle();
newStyles.add(si.getStyle());
}
// expand the filter on the layer group to all its sublayers
if(filters != null) {
for (int j = 0; j < groupInfo.getLayers().size(); j++) {
newFilters.add(getFilter(filters, i));
}
}
} else if(o instanceof LayerInfo){
style = oldStyles.size() > 0? oldStyles.get(i) : null;
if (style != null){
newStyles.add(style);
}else{
StyleInfo defaultStyle = ((LayerInfo)o).getDefaultStyle();
newStyles.add(defaultStyle.getStyle());
}
// add filter if needed
if(filters != null)
newFilters.add(getFilter(filters, i));
} else if(o instanceof MapLayerInfo){
style = oldStyles.size() > 0? oldStyles.get(i) : null;
if (style != null){
newStyles.add(style);
} else{
throw new WmsException("no style requested for layer "
+ ((MapLayerInfo) o).getName(), "NoDefaultStyle");
}
// add filter if needed
if(filters != null)
newFilters.add(getFilter(filters, i));
}
}
getMap.setStyles(newStyles);
getMap.setFilter(newFilters);
}
// then proceed with standard processing
MapLayerInfo[] layers = getMap.getLayers();
if (isParseStyle() && (layers != null) && (layers.length > 0)) {
final List styles = getMap.getStyles();
if (layers.length != styles.size()) {
String msg = layers.length + " layers requested, but found " + styles.size()
+ " styles specified. ";
throw new WmsException(msg, getClass().getName());
}
for (int i = 0; i < styles.size(); i++) {
Style currStyle = (Style) getMap.getStyles().get(i);
if (currStyle == null)
throw new WmsException(
"Could not find a style for layer "
+ getMap.getLayers()[i].getName()
+ ", either none was specified or no default style is available for it",
"NoDefaultStyle");
checkStyle(currStyle, layers[i]);
if (LOGGER.isLoggable(Level.FINE)) {
LOGGER.fine(new StringBuffer("establishing ").append(currStyle.getName())
.append(" style for ").append(layers[i].getName()).toString());
}
}
}
// check filter size matches with the layer list size
List mapFilters = getMap.getFilter();
MapLayerInfo[] mapLayers = getMap.getLayers();
if (mapFilters != null && mapFilters.size() != mapLayers.length) {
String msg = mapLayers.length
+ " layers requested, but found " + mapFilters.size()
+ " filters specified. ";
throw new WmsException(msg, getClass().getName());
}
}
// set the raw params used to create the request
getMap.setRawKvp(rawKvp);
return getMap;
}