getHeaderFirstOf method
Implementation
String? getHeaderFirstOf(
String key1, [
String? key2,
String? key3,
String? key4,
String? key5,
String? key6,
]) {
var val = _getHeaderFirstOf(key1, key2, key3, key4, key5, key6);
if (val != null) return val;
for (var k in headers.keys) {
if (equalsIgnoreAsciiCase(k, key1)) return parameters[k];
if (key2 != null && equalsIgnoreAsciiCase(k, key2)) {
return headers[k];
}
if (key3 != null && equalsIgnoreAsciiCase(k, key3)) {
return headers[k];
}
if (key4 != null && equalsIgnoreAsciiCase(k, key4)) {
return headers[k];
}
if (key5 != null && equalsIgnoreAsciiCase(k, key5)) {
return headers[k];
}
if (key6 != null && equalsIgnoreAsciiCase(k, key6)) {
return headers[k];
}
}
return null;
}