225 lines
7.1 KiB
Java
225 lines
7.1 KiB
Java
/**
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*
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*/
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package org.gcube.spatial.data.geoutility;
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import java.util.HashMap;
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import java.util.List;
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import org.apache.log4j.Logger;
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import org.gcube.spatial.data.geoutility.bean.NcWmsLayerMetadata;
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import org.gcube.spatial.data.geoutility.bean.WmsParameters;
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import org.gcube.spatial.data.geoutility.wms.NcWmsGetMetadata;
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import org.gcube.spatial.data.geoutility.wms.NcWmsGetMetadataRequest;
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import org.gcube.spatial.data.geoutility.wms.WmsGetStyles;
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import org.gcube.spatial.data.geoutility.wms.WmsUrlValidator;
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/**
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* The Class GeoGetStyles.
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*
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* @author Francesco Mangiacrapa francesco.mangiacrapa@isti.cnr.it
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* Jan 22, 2016
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*
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* return list of styles from a OGC compliant WMS/ncWMS map service like Geoserver, Thredds, Mapsever.
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*/
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public class GeoGetStyles {
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public static Logger logger = Logger.getLogger(GeoGetStyles.class);
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public static final String COLORSCALERANGE = "COLORSCALERANGE";
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public static final String COLORSCALERANGE_DEFAULT_VALUE = "auto";
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boolean isNcWms = false;
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private String wmsRequest;
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private HashMap<String, String> mapWmsNotStandard;
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private WmsUrlValidator validator;
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/**
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* Instantiates a new geo get styles.
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*
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* @param wmsRequest the wms request
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* @throws Exception
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*/
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public GeoGetStyles(String wmsRequest) throws Exception{
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this.wmsRequest = wmsRequest;
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this.validator = new WmsUrlValidator(wmsRequest);
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validator.parseWmsRequest(true, false);
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}
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/**
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* Gets the styles.
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*
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* @return the styles
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*/
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public List<String> getStyles(){
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String uriWMSService = validator.getBaseWmsServiceUrl();
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String layerName = validator.getValueOfParsedWMSParameter(WmsParameters.LAYERS);
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String versionWms = validator.getValueOfParsedWMSParameter(WmsParameters.VERSION);
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String crs = validator.getValueOfParsedWMSParameter(WmsParameters.CRS);
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System.out.println(validator.getParameterValues().toString());
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try {
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if(validator.getMapWmsNotStandardParams()!=null){
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mapWmsNotStandard = new HashMap<String, String>(validator.getMapWmsNotStandardParams().size());
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mapWmsNotStandard.putAll(validator.getMapWmsNotStandardParams());
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if(mapWmsNotStandard.containsKey(NcWmsGetMetadataRequest.COLORSCALERANGE) || mapWmsNotStandard.containsKey(NcWmsGetMetadataRequest.COLORSCALERANGE.toLowerCase())){
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logger.debug("Ovveriding "+NcWmsGetMetadataRequest.COLORSCALERANGE +"?");
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String value = mapWmsNotStandard.get(NcWmsGetMetadataRequest.COLORSCALERANGE);
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if(value.compareToIgnoreCase(NcWmsGetMetadataRequest.COLORSCALERANGE_DEFAULT_VALUE)==0){ //COLORSCALERANGE == 'auto'?
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logger.trace(NcWmsGetMetadataRequest.COLORSCALERANGE +" found like 'auto'..");
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String[] minmax = NcWmsGetMetadataRequest.getColorScaleRange(uriWMSService,
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versionWms,
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validator.getValueOfParsedWMSParameter(WmsParameters.BBOX),
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layerName,
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crs,
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validator.getValueOfParsedWMSParameter(WmsParameters.WIDTH),
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validator.getValueOfParsedWMSParameter(WmsParameters.HEIGHT));
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if(minmax!=null && minmax.length==2 && minmax[0]!=null && minmax[1]!=null){
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String valueMinMax = minmax[0]+","+minmax[1];
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mapWmsNotStandard.put(NcWmsGetMetadataRequest.COLORSCALERANGE, valueMinMax);
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logger.debug("Overrided "+NcWmsGetMetadataRequest.COLORSCALERANGE +" min,max value: "+valueMinMax);
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}
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}else{
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logger.debug(NcWmsGetMetadataRequest.COLORSCALERANGE +" is not \'auto', skipping override");
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}
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}else{ //NcWmsGetColorScaleRange.COLORSCALERANGE not found
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logger.debug(NcWmsGetMetadataRequest.COLORSCALERANGE +" not found");
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String[] minmax = NcWmsGetMetadataRequest.getColorScaleRange(uriWMSService,
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versionWms,
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validator.getValueOfParsedWMSParameter(WmsParameters.BBOX),
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layerName,
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crs,
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validator.getValueOfParsedWMSParameter(WmsParameters.WIDTH),
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validator.getValueOfParsedWMSParameter(WmsParameters.HEIGHT));
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if(minmax!=null && minmax.length==2 && minmax[0]!=null && minmax[1]!=null){
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logger.debug(NcWmsGetMetadataRequest.GET_METADATA +" works, adding "+NcWmsGetMetadataRequest.COLORSCALERANGE + " with minmax");
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String valueMinMax = minmax[0]+","+minmax[1];
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mapWmsNotStandard.put(NcWmsGetMetadataRequest.COLORSCALERANGE, valueMinMax);
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logger.debug("Added "+NcWmsGetMetadataRequest.COLORSCALERANGE +" min,max value: "+valueMinMax);
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}else{
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logger.debug(NcWmsGetMetadataRequest.GET_METADATA +" failed, skip "+NcWmsGetMetadataRequest.COLORSCALERANGE +" management, is not raster?");
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}
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}
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}
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}catch (Exception e) {
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logger.error("Exception during ncWMS get style: "+e);
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}
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logger.trace("versionWms found: "+versionWms);
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logger.trace("crs found: "+crs);
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String stylesRead = validator.getValueOfParsedWMSParameter(WmsParameters.STYLES);
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logger.trace("styles found: "+stylesRead);
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List<String> styles;
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//VALIDATION STYLES
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if(stylesRead==null || stylesRead.isEmpty()){
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logger.trace("styles is empty - validator styles "+stylesRead);
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WmsGetStyles wmsGetStyles = new WmsGetStyles();
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styles = wmsGetStyles.getStylesFromWms(uriWMSService, layerName);
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if(wmsGetStyles.getResponseCode()==200){
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logger.debug("wms GetStyles found: "+styles);
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}else{
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logger.debug("Tentative to get styles from NcWmsGetMetadata...");
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isNcWms = true;
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try{
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NcWmsLayerMetadata ncMetadata = NcWmsGetMetadata.getMetadata(uriWMSService, layerName);
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if(ncMetadata!=null && ncMetadata.getResponseCode()==200){
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if(ncMetadata.getSupportedStyles().size()>0){
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styles.add(ncMetadata.getSupportedStyles().get(0)+"/"+ncMetadata.getDefaultPalette()); //DEFAULT STYLE
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logger.debug("added ncWms default style: "+ncMetadata.getSupportedStyles().get(0)+"/"+ncMetadata.getDefaultPalette());
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for (String s : ncMetadata.getSupportedStyles()) {
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for (String p : ncMetadata.getPalettes()) {
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String as = s+"/"+p;
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if(!styles.contains(as)){
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styles.add(as);
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logger.trace("added ncWms style: "+as);
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}
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}
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}
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}
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}
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}catch(Exception e){
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logger.error(e);
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styles = validator.getStylesAsList();
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}
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}
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}else{
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styles = validator.getStylesAsList();
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}
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return styles;
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}
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/**
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* Checks if is nc wms.
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*
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* @return the isNcWms
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*/
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public boolean isNcWms() {
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return isNcWms;
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}
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/**
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* Gets the wms request.
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*
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* @return the wmsRequest
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*/
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public String getWmsRequest() {
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return wmsRequest;
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}
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/**
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* Gets the map wms not standard.
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*
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* @return the mapWmsNotStandard
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*/
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public HashMap<String, String> getMapWmsNotStandard() {
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return mapWmsNotStandard;
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}
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/**
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* Gets the validator.
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*
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* @return the validator
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*/
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public WmsUrlValidator getValidator() {
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return validator;
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}
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/* (non-Javadoc)
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* @see java.lang.Object#toString()
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*/
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@Override
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public String toString() {
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StringBuilder builder = new StringBuilder();
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builder.append("GetStylesUtils [isNcWms=");
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builder.append(isNcWms);
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builder.append(", wmsRequest=");
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builder.append(wmsRequest);
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builder.append(", mapWmsNotStandard=");
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builder.append(mapWmsNotStandard);
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builder.append(", validator=");
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builder.append(validator);
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builder.append("]");
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return builder.toString();
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}
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}
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