/*package*/ String generateAuthorizationHeader(String method, String url, HttpParameter[] params, String nonce, String timestamp, OAuthToken otoken) {
if (null == params) {
params = new HttpParameter[0];
}
List<HttpParameter> oauthHeaderParams = new ArrayList<HttpParameter>(5);
oauthHeaderParams.add(new HttpParameter("oauth_consumer_key", consumerKey));
oauthHeaderParams.add(OAUTH_SIGNATURE_METHOD);
oauthHeaderParams.add(new HttpParameter("oauth_timestamp", timestamp));
oauthHeaderParams.add(new HttpParameter("oauth_nonce", nonce));
oauthHeaderParams.add(new HttpParameter("oauth_version", "1.0"));
if (otoken != null) {
oauthHeaderParams.add(new HttpParameter("oauth_token", otoken.getToken()));
}
List<HttpParameter> signatureBaseParams = new ArrayList<HttpParameter>(oauthHeaderParams.size() + params.length);
signatureBaseParams.addAll(oauthHeaderParams);
if (!HttpParameter.containsFile(params)) {
signatureBaseParams.addAll(toParamList(params));
}
parseGetParameters(url, signatureBaseParams);
StringBuffer base = new StringBuffer(method).append("&")
.append(HttpParameter.encode(constructRequestURL(url))).append("&");
base.append(HttpParameter.encode(normalizeRequestParameters(signatureBaseParams)));
String oauthBaseString = base.toString();
logger.debug("OAuth base string: ", oauthBaseString);
String signature = generateSignature(oauthBaseString, otoken);
logger.debug("OAuth signature: ", signature);
oauthHeaderParams.add(new HttpParameter("oauth_signature", signature));
// http://oauth.net/core/1.0/#rfc.section.9.1.1
if (realm != null) {
oauthHeaderParams.add(new HttpParameter("realm", realm));
}
return "OAuth " + encodeParameters(oauthHeaderParams, ",", true);
}