import org.springframework.social.oauth2.GrantType; //导入依赖的package包/类
@RequestMapping("/googleplus/connect")
public void connectWithGooglePlus(HttpServletResponse response, HttpSession session,
        @RequestAttribute User loggedUser,
        @RequestParam(required = false, defaultValue = "false") boolean sendInitialMessage)
        throws IOException {

    // if already connected, do nothing
    if (loggedUser != null && loggedUser.getGooglePlusSettings() != null
            && loggedUser.getGooglePlusSettings().isFetchMessages()) {
        return;
    }

    session.setAttribute(WebConstants.SEND_INITIAL_MESSAGE_KEY, sendInitialMessage);
    String url = oAuthProvider.getOAuthOperations().buildAuthenticateUrl(GrantType.AUTHORIZATION_CODE,
            oAuthParams);
    response.sendRedirect(url);
}
 

import org.springframework.social.oauth2.GrantType; //导入依赖的package包/类
@Override
public AuthUrlPair getAuthorisationUrls(Channel channel, String callbackUrl)
{
    ParameterCheck.mandatory("channel", channel);
    if (!ID.equals(channel.getChannelType().getId()))
    {
        throw new IllegalArgumentException("Invalid channel type: " + channel.getChannelType().getId());
    }

    NodeRef channelRef = channel.getNodeRef();
    StringBuilder authStateBuilder = new StringBuilder(channelRef.getStoreRef().getProtocol()).append('.').append(
            channelRef.getStoreRef().getIdentifier()).append('.').append(channelRef.getId());
    OAuth2Operations oauthOperations = publishingHelper.getConnectionFactory().getOAuthOperations();
    OAuth2Parameters params = new OAuth2Parameters();
    params.setRedirectUri(redirectUri);
    params.setScope("publish_stream,offline_access,user_photos,user_videos");
    params.setState(authStateBuilder.toString());
    String authRequestUrl = oauthOperations.buildAuthorizeUrl(GrantType.IMPLICIT_GRANT, params);
    return new AuthUrlPair(authRequestUrl, redirectUri);
}
 

import org.springframework.social.oauth2.GrantType; //导入依赖的package包/类
public String getAuthenticateUrl(String state)
{
    String authenticateUrl = null;

    if (state != null)
    {

        /*
         * When we change to spring social 1.0.2 OAuth2Parameters will need to be updated OAuth2Parameters parameters = new
         * OAuth2Parameters(); parameters.setRedirectUri(REDIRECT_URI); parameters.setScope(SCOPE); parameters.setState(state);
         */

        MultiValueMap<String, String> additionalParameters = new LinkedMultiValueMap<String, String>(1);
        additionalParameters.add("access_type", "offline");

        OAuth2Parameters parameters = new OAuth2Parameters(GoogleDocsConstants.REDIRECT_URI, GoogleDocsConstants.SCOPE, state, additionalParameters);
        parameters.getAdditionalParameters();
        authenticateUrl = connectionFactory.getOAuthOperations().buildAuthenticateUrl(GrantType.AUTHORIZATION_CODE, parameters);

    }

    log.debug("Authentication URL: " + authenticateUrl);
    return authenticateUrl;
}
 

import org.springframework.social.oauth2.GrantType; //导入依赖的package包/类
/**
 * API for getting the Authentication URL for Alfresco CMIS Server using Oauth.
 * 
 * @param clientKey {@link String}
 * @param secretKey {@link String}
 * @param redirectURL {@link String}
 * @return authenticationURL.
 */
public String getAuthenticationURL(String clientKey, String secretKey, String redirectURL) {
	LOGGER.info("Inside get Authentication URL method");
	AlfrescoConnectionFactory connectionFactory = new AlfrescoConnectionFactory(clientKey, secretKey);

	OAuth2Parameters parameters = new OAuth2Parameters();
	parameters.setRedirectUri(redirectURL);
	parameters.setScope(Alfresco.DEFAULT_SCOPE);
	
	return connectionFactory.getOAuthOperations().buildAuthenticateUrl(GrantType.AUTHORIZATION_CODE, parameters);
}
 

import org.springframework.social.oauth2.GrantType; //导入依赖的package包/类
@Override
public String buildAuthenticateUrl(GrantType grantType, OAuth2Parameters parameters) {
	if (redirectUri != null) parameters.setRedirectUri(redirectUri);
	return super.buildAuthenticateUrl(grantType, parameters);
}
 

import org.springframework.social.oauth2.GrantType; //导入依赖的package包/类
@Override
public String buildAuthorizeUrl(GrantType grantType, OAuth2Parameters parameters) {
	if (redirectUri != null) parameters.setRedirectUri(redirectUri);
	return super.buildAuthorizeUrl(grantType, parameters);
}