StringBuilder addCanonicalHeaders(
SortedMap<String, String> sortedFormattedHeaders, StringBuilder builder) {
for (Map.Entry<String, String> entry : sortedFormattedHeaders.entrySet()) {
builder.append(entry.getKey()).append(':').append(entry.getValue()).append('\n');
}
return builder;
}
StringBuilder addCanonicalQueryString(String queryString, StringBuilder builder) {
int startingLength = builder.length();
SortedMap<String, String> encodedParams = new TreeMap<>();
for (String queryParam : queryString.split("&")) {
if (!queryParam.isEmpty()) {
String[] parts = queryParam.split("=", 2);
encodedParams.put(encodeQueryStringValue(parts[0]), encodeQueryStringValue(parts[1]));
}
}
for (Map.Entry<String, String> entry : encodedParams.entrySet()) {
if (builder.length() > startingLength) {
builder.append('&');
}
builder.append(entry.getKey()).append('=').append(entry.getValue());
}
return builder;
}