How to use

getSupportedCodes

method

in

org.geotools.referencing.CRS

@Test
public void testCodeInList() {
  Set<String> supportedCodes = CRS.getSupportedCodes("EPSG");
  assertTrue(supportedCodes.contains(CODE));
}

static List<SRS> buildCodeList() {
  long t = System.currentTimeMillis();
  Set<String> codes = CRS.getSupportedCodes("EPSG");
  try {
    codes.addAll(customFactory.getAuthorityCodes(CoordinateReferenceSystem.class));
  } catch (FactoryException e) {
    LOGGER.log(Level.WARNING, "Error occurred while trying to gather custom CRS codes", e);
  }
  // make a set with each code
  Set<SRS> idSet = new HashSet<SRS>();
  for (String code : codes) {
    // make sure we're using just the non prefix part
    String id = code.substring(code.indexOf(':') + 1);
    // avoid WGS84DD and eventual friends, as we're still not able to handle them,
    // if they are chosen exceptions arises everywhere
    if (NUMERIC.matcher(id).matches()) {
      idSet.add(new SRS(id));
    }
  }
  List<SRS> srsList = new ArrayList<SRS>(idSet);
  Collections.sort(srsList, new CodeComparator()); // sort to get them in order
  return srsList;
}

static List<SRS> buildCodeList() {
  // long t = System.currentTimeMillis();
  Set<String> codes = CRS.getSupportedCodes("EPSG");
  try {
    codes.addAll(customFactory.getAuthorityCodes(CoordinateReferenceSystem.class));
  } catch (FactoryException e) {
    LOGGER.log(Level.WARNING, "Error occurred while trying to gather custom CRS codes", e);
  }
  // make a set with each code
  Set<SRS> idSet = new HashSet<SRS>();
  for (String code : codes) {
    // make sure we're using just the non prefix part
    String id = code.substring(code.indexOf(':') + 1);
    // avoid WGS84DD and eventual friends, as we're still not able to handle them,
    // if they are chosen exceptions arises everywhere
    if (NUMERIC.matcher(id).matches()) {
      idSet.add(new SRS(id));
    }
  }
  List<SRS> srsList = new ArrayList<SRS>(idSet);
  Collections.sort(srsList, new CodeComparator()); // sort to get them in order
  return srsList;
}

  comment("All supported EPSG projections:");
  capabilitiesCrsIdentifiers = new LinkedHashSet<String>();
  for (String code : CRS.getSupportedCodes("AUTO")) {
    if ("WGS84(DD)".equals(code)) continue;
    capabilitiesCrsIdentifiers.add("AUTO:" + code);
  capabilitiesCrsIdentifiers.addAll(CRS.getSupportedCodes("EPSG"));
} else {
  comment("Limited list of EPSG projections:");

if(epsgCodes.isEmpty()){
  comment("All supported EPSG projections:");
  capabilitiesCrsIdentifiers = CRS.getSupportedCodes("EPSG");
}else{
  comment("Limited list of EPSG projections:");

  comment("All supported EPSG projections:");
  capabilitiesCrsIdentifiers = new LinkedHashSet<String>();
  for (String code : CRS.getSupportedCodes("AUTO")) {
    if ("WGS84(DD)".equals(code)) continue;
    capabilitiesCrsIdentifiers.add("AUTO:" + code);
  capabilitiesCrsIdentifiers.addAll(CRS.getSupportedCodes("EPSG"));
} else {
  comment("Limited list of EPSG projections:");

@Test
public void testCRSList() throws Exception {
  GetCapabilitiesTransformer tr;
  tr = new GetCapabilitiesTransformer(wmsConfig, baseUrl, mapFormats, legendFormats, null);
  tr.setIndentation(2);
  Document dom = WMSTestSupport.transform(req, tr);
  final Set<String> supportedCodes = CRS.getSupportedCodes("EPSG");
  supportedCodes.addAll(CRS.getSupportedCodes("AUTO"));
  NodeList allCrsCodes =
      XPATH.getMatchingNodes("/WMT_MS_Capabilities/Capability/Layer/SRS", dom);
  assertEquals(supportedCodes.size() - 1 /* WGS84(DD) */, allCrsCodes.getLength());
}

  codes = CRS.getSupportedCodes("EPSG");
} else {
  codes = wcs.getSRS();