private static boolean checkPalette(UnivariatePalette pal) {
for (int i = UnivariatePalette.minLength; i < pal.maxLength; i++) {
Color[] cols = pal.getColors(i);
assert (cols != null);
}
return true;
}
public static HashMap<String, UnivariatePalette> readContents() {
HashMap<String, UnivariatePalette> palettes = new HashMap<String, UnivariatePalette>();
InputStream colorBrewerIs =
ColorBrewer.class.getResourceAsStream("resources/brewer_values.csv");
Scanner scan = new Scanner(colorBrewerIs);
Pattern pat = Pattern.compile("[,\r]");
scan.useDelimiter(pat);
scan.nextLine(); // skip header
UnivariatePalette currentPalette = readPalette(scan);
while (scan.hasNext()) {
UnivariatePalette pal = readPalette(scan);
if (currentPalette.name.equals(pal.name)) {
currentPalette = currentPalette.combine(pal);
} else {
assert (checkPalette(currentPalette));
palettes.put(currentPalette.name, currentPalette);
currentPalette = pal;
}
}
return palettes;
}
