@Override
public SiteSet deserialize(JsonElement json, Type typeOfT, JsonDeserializationContext context)
throws JsonParseException {
Builder builder = Site.builder();
// check if we have a site list
if (json.isJsonArray()) {
Type type = new TypeToken<List<Site>>() {}.getType();
List<Site> sites = context.deserialize(json, type);
return new SiteSet(sites);
}
// or a region
JsonObject jRegion = json.getAsJsonObject().getAsJsonObject(REGION);
if (jRegion.has(VS30.toString())) {
double vs30 = jRegion.get(VS30.toString()).getAsDouble();
builder.vs30(vs30);
}
if (jRegion.has(VS_INF.toString())) {
boolean vsInf = jRegion.get(VS_INF.toString()).getAsBoolean();
builder.vsInferred(vsInf);
}
if (jRegion.has(Z1P0.toString())) {
double z1p0 = jRegion.get(Z1P0.toString()).getAsDouble();
builder.z1p0(z1p0);
}
if (jRegion.has(Z2P5.toString())) {
double z2p5 = jRegion.get(Z2P5.toString()).getAsDouble();
builder.z2p5(z2p5);
}
checkState(jRegion.has(BORDER), "Site region must define a border");
checkState(jRegion.has(SPACING), "Site region must define a spacing");
String name = "Unnamed region";
if (jRegion.has(NAME.toString())) {
name = jRegion.get(NAME.toString()).getAsString();
}
double spacing = jRegion.get(SPACING).getAsDouble();
JsonArray coords = jRegion.getAsJsonArray(BORDER);
LocationList.Builder borderBuilder = LocationList.builder();
for (JsonElement jElem : coords) {
JsonArray coord = jElem.getAsJsonArray();
borderBuilder.add(coord.get(1).getAsDouble(), coord.get(0).getAsDouble());
}
LocationList border = borderBuilder.build();
checkState(border.size() >= 2, "Site region border must define at " + "least 2 coordinates");
GriddedRegion region =
(border.size() == 2)
? Regions.createRectangularGridded(
name, border.get(0), border.get(1), spacing, spacing, GriddedRegion.ANCHOR_0_0)
: Regions.createGridded(
name, border, MERCATOR_LINEAR, spacing, spacing, GriddedRegion.ANCHOR_0_0);
return new SiteSet(region, builder);
}
/**
* Creates a {@code SiteSet} from the comma-delimted site file designated by {@code path}.
*
* @param path to comma-delimited site data file
* @throws IOException if problem encountered
*/
static SiteSet fromCsv(Path path) throws IOException {
checkNotNull(path);
List<Site> siteList = new ArrayList<>();
Builder builder = Site.builder();
List<String> lines = Files.readAllLines(path, StandardCharsets.UTF_8);
boolean firstline = true;
List<Key> keyList = new ArrayList<>();
for (String line : lines) {
// skip comments
if (line.startsWith("#")) continue;
if (line.trim().isEmpty()) continue;
List<String> values = Parsing.splitToList(line, Delimiter.COMMA);
// set up key/column ordering
if (firstline) {
Set<Key> keys = EnumSet.of(NAME, LAT, LON, VS30, VS_INF, Z1P0, Z2P5);
for (String keyStr : values) {
Key key = Key.fromString(keyStr);
checkState(keys.contains(key), "Illegal site property key [%s]", keyStr);
keyList.add(key);
}
checkState(keyList.contains(LAT), "Site latitudes must be defined");
checkState(keyList.contains(LON), "Site longitudes must be defined");
firstline = false;
continue;
}
int index = 0;
double lat = 0.0;
double lon = 0.0;
for (Key key : keyList) {
String value = values.get(index);
switch (key) {
case LAT:
lat = Double.parseDouble(value);
break;
case LON:
lon = Double.parseDouble(value);
break;
case NAME:
builder.name(value);
break;
case VS30:
builder.vs30(Double.parseDouble(value));
break;
case VS_INF:
builder.vsInferred(Boolean.parseBoolean(value));
break;
case Z1P0:
builder.z1p0(Double.parseDouble(value));
break;
case Z2P5:
builder.z2p5(Double.parseDouble(value));
break;
default:
throw new IllegalStateException("Unsupported site key: " + key);
}
index++;
}
builder.location(lat, lon);
siteList.add(builder.build());
}
return new SiteSet(siteList);
}