/**
* Returns the fully configured {@link OAuthService}
*
* @return fully configured {@link OAuthService}
*/
public OAuthService build() {
Preconditions.checkNotNull(api, "You must specify a valid api through the provider() method");
Preconditions.checkEmptyString(apiKey, "You must provide an api key");
Preconditions.checkEmptyString(apiSecret, "You must provide an api secret");
return api.createService(
new OAuthConfig(apiKey, apiSecret, callback, signatureType, scope, grantType, debugStream));
}
@Override
public String getAuthorizationUrl(OAuthConfig config) {
Preconditions.checkValidUrl(
config.getCallback(), "Must provide a valid url as callback. Google does not support OOB");
Preconditions.checkEmptyString(
config.getScope(), "Must provide a valid value as scope. Google does not support no scope");
return String.format(
AUTHORIZE_URL, config.getApiKey(), encode(config.getCallback()), encode(config.getScope()));
}
public Token extract(String response) {
Preconditions.checkEmptyString(
response, "Cannot extract a token from a null or empty String");
Matcher matcher = accessTokenPattern.matcher(response);
if (matcher.find()) {
return new Token(matcher.group(1), "", response);
} else {
throw new OAuthException("Cannot extract an acces token. Response was: " + response);
}
}
/**
* Configures the api secret
*
* @param apiSecret The api secret for your application
* @return the {@link ServiceBuilder} instance for method chaining
*/
public ServiceBuilder apiSecret(String apiSecret) {
Preconditions.checkEmptyString(apiSecret, "Invalid Api secret");
this.apiSecret = apiSecret;
return this;
}
/**
* Configures the api key
*
* @param apiKey The api key for your application
* @return the {@link ServiceBuilder} instance for method chaining
*/
public ServiceBuilder apiKey(String apiKey) {
Preconditions.checkEmptyString(apiKey, "Invalid Api key");
this.apiKey = apiKey;
return this;
}
/**
* Configures the OAuth grant type . This is only necessary in some APIs (like Salesforce's).
*
* @param String - OAuth grant type
* @return the {@link ServiceBuilder} instance for method chaining
*/
public ServiceBuilder grantType(String type) {
Preconditions.checkEmptyString(type, "Invalid grant type");
this.grantType = type;
return this;
}
/**
* Configures the OAuth scope. This is only necessary in some APIs (like Google's).
*
* @param scope The OAuth scope
* @return the {@link ServiceBuilder} instance for method chaining
*/
public ServiceBuilder scope(String scope) {
Preconditions.checkEmptyString(scope, "Invalid OAuth scope");
this.scope = scope;
return this;
}