org.scribe.utils.Preconditions Java Examples

@Override
public AccessTokenExtractor getAccessTokenExtractor() {
    return new AccessTokenExtractor() {
        
        @Override
        public Token extract(String response) {
            Preconditions.checkEmptyString(response, "Response body is incorrect. Can't extract a token from an empty string");
 
            Matcher matcher = Pattern.compile("\"access_token\" : \"([^&\"]+)\"").matcher(response);
            if (matcher.find())
            {
              String token = OAuthEncoder.decode(matcher.group(1));
              return new Token(token, "", response);
            } 
            else
            {
              throw new OAuthException("Response body is incorrect. Can't extract a token from this: '" + response + "'", null);
            }
        }
    };
}
 

@Override
public String getAuthorizationUrl(OAuthConfig config) 
{
	Preconditions.checkValidUrl(config.getCallback(), "Must provide a valid url as callback.") ;
	if (config.hasScope()) 
	{
		return String.format(SCOPED_AUTHORIZE_URL, config.getApiKey(),
				OAuthEncoder.encode(config.getCallback()),
				OAuthEncoder.encode(config.getScope()));
	} 
	else 
	{
		return String.format(AUTHORIZE_URL, config.getApiKey(),
				OAuthEncoder.encode(config.getCallback()));
	}
}
 

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);
    }
}
 

@Override
public Token extract(String response) {
    Preconditions.checkEmptyString(response, "Response body is incorrect. Can't extract a token from an empty string");
    JsonParser parser = new JsonParser();
    JsonObject json = parser.parse(response).getAsJsonObject();

    if (json.has("error")) {
        throw new OAuthException(json.get("error_description").getAsString());
    }

    return new Token(json.get("access_token").getAsString(), "", response);
}
 

@Override
public Token extract(String response) {
    Preconditions.checkEmptyString(response,
            "Response body is incorrect. Can't extract a token from an empty string");
    JsonNode root;
    try {
        root = mapper.readTree(response);
        JsonNode token = root.findValue("access_token");
        return new Token(token.asText(), "", response);
        
    } catch (Exception e) {
        return null;
    }
}
 

@Override
public String getAuthorizationUrl(OAuthConfig config) {
    Preconditions.checkValidUrl(config.getCallback(), "Must provide a valid url as callback.");

    return String.format(REQUEST_TOKEN_FRAGMENT, apiUrl.toString(), config.getApiKey(),
            OAuthEncoder.encode(config.getCallback()));
}
 

@Override
public Optional<MapperDescriptor> getMapper(String name) {
  Preconditions.checkNotNull(name, "Name cannot be null");
  return Optional.ofNullable(mappers.get().get(name.trim().toLowerCase()));
}
 

public Token extract(String response) 
{
	Preconditions.checkEmptyString(response, "Response body is incorrect. Can't extract a token from an empty string");
	AccessToken at = gson.fromJson(response, AccessToken.class);
	return new Token(at.getAccessToken(), EMPTY_SECRET, response);
}
 

public AccessToken getAccessToken (String response) 
{
	Preconditions.checkEmptyString(response, "Response body is incorrect. Can't extract a token from an empty string");
	AccessToken at = gson.fromJson(response, AccessToken.class);
	return at ;
}
 

@Override
public String getAuthorizationUrl(OAuthConfig config) {
    Preconditions.checkValidUrl(config.getCallback(), "Must provide a valid url as callback.");
    
    return String.format(authorizeUrl, config.getApiKey(), OAuthEncoder.encode(config.getCallback()));
}