import org.openid4java.message.sreg.SRegRequest; //导入依赖的package包/类
/**
 * Add Simple Register extension message to the response message.
 * 
 * @param response
 *            the response message to add to
 * @param persona
 *            the persona
 * @throws MessageException
 *             if add extension failed
 */
private void addSReg(final Message response, final Persona persona)
		throws MessageException {
	if (authRequest.hasExtension(SRegMessage.OPENID_NS_SREG)) {
		MessageExtension ext = authRequest
				.getExtension(SRegMessage.OPENID_NS_SREG);
		if (ext instanceof SRegRequest) {
			SRegRequest sregReq = (SRegRequest) ext;
			// data released by the user
			if (persona != null) {
				Map<String, String> userDataSReg = persona.toAliasValueMap();

				SRegResponse sregResp = SRegResponse.createSRegResponse(
						sregReq, userDataSReg);
				// (alternatively) manually add attribute values
				// sregResp.addAttribute("email", email);
				response.addExtension(sregResp);
			}
		} else {
			throw new UnsupportedOperationException(ext.getClass()
					+ " is unsupported.");
		}
	}
}
 

import org.openid4java.message.sreg.SRegRequest; //导入依赖的package包/类
/**
 * Simple Registration Extension example.
 * 
 * @param httpReq
 * @param authReq
 * @throws MessageException
 * @see <a href="http://code.google.com/p/openid4java/wiki/SRegHowTo">Simple Registration HowTo</a>
 * @see <a href="http://openid.net/specs/openid-simple-registration-extension-1_0.html">OpenID Simple Registration Extension 1.0</a>
 */
private void addSimpleRegistrationToAuthRequest(HttpServletRequest httpReq,
		AuthRequest authReq) throws MessageException {
	// Attribute Exchange example: fetching the 'email' attribute
	// FetchRequest fetch = FetchRequest.createFetchRequest();
	SRegRequest sregReq = SRegRequest.createFetchRequest();

	String[] attributes = { "nickname", "email", "fullname", "dob",
			"gender", "postcode", "country", "language", "timezone" };
	for (int i = 0, l = attributes.length; i < l; i++) {
		String attribute = attributes[i];
		String value = httpReq.getParameter(attribute);
		if (OPTIONAL_VALUE.equals(value)) {
			sregReq.addAttribute(attribute, false);
		} else if (REQUIRED_VALUE.equals(value)) {
			sregReq.addAttribute(attribute, true);
		}
	}

	// attach the extension to the authentication request
	if (!sregReq.getAttributes().isEmpty()) {
		authReq.addExtension(sregReq);
	}
}
 

import org.openid4java.message.sreg.SRegRequest; //导入依赖的package包/类
private Message processSRegExtension(Message token, final AuthRequest authRequest) throws MessageException {
    String sregNamespace = detectSRegVersion(authRequest);
    if (sregNamespace != null) {
        MessageExtension ext = authRequest.getExtension(sregNamespace);
        if (ext instanceof SRegRequest) {
            SRegRequest sregReq = (SRegRequest) ext;
            SRegResponse sregResp = SRegResponse.createSRegResponse(sregReq, getValidUser().getUserDataMap());
            token.addExtension(sregResp, "sreg");
        } else if (ext instanceof SRegResponse) {
            // what to do here?
        } else {
            final String message = String.format("TODO - Support of '%s'", ext.getClass().getCanonicalName());
            throw new UnsupportedOperationException(message);
        }
    }
    return token;
}
 

import org.openid4java.message.sreg.SRegRequest; //导入依赖的package包/类
/**
 * Send authorization request to OpenID server
 * @param userSuppliedString - OpenID username/login
 * @param req - current request object
 * @param res - current response object
 * @return - true if sent, false if error
 * @throws IOException - other problem
 */
public boolean authorizationRequest(String userSuppliedString, HttpServletRequest req, HttpServletResponse res) throws IOException {
    try {
        List discoveries = manager.discover(userSuppliedString);

        DiscoveryInformation discovered = manager.associate(discoveries);

        req.getSession().setAttribute("openid-disc", discovered);

        AuthRequest authReq = manager.authenticate(discovered, returnToUrl);
        SRegRequest sregReq = SRegRequest.createFetchRequest();

        sregReq.addAttribute("email", true);
        sregReq.addAttribute("fullname", true);
        authReq.addExtension(sregReq);

        res.sendRedirect(authReq.getDestinationUrl(true));

        return true;
    } catch (OpenIDException ex) {
        // logger.error("Exception in authRequest with '" + userSuppliedString + "'", ex);
    }

    return false;
}
 

import org.openid4java.message.sreg.SRegRequest; //导入依赖的package包/类
public String authRequest(String userSuppliedString,
                          HttpServletRequest httpReq,
                          HttpServletResponse httpResp)
        throws IOException
{
    try
    {

        // --- Forward proxy setup (only if needed) ---
        // ProxyProperties proxyProps = new ProxyProperties();
        // proxyProps.setProxyName("proxy.example.com");
        // proxyProps.setProxyPort(8080);
        // HttpClientFactory.setProxyProperties(proxyProps);

        // perform discovery on the user-supplied identifier
        List discoveries = manager.discover(userSuppliedString);

        // attempt to associate with the OpenID provider
        // and retrieve one service endpoint for authentication
        DiscoveryInformation discovered = manager.associate(discoveries);

        // store the discovery information in the user's session
        httpReq.getSession().setAttribute("openid-disc", discovered);

        // obtain a AuthRequest message to be sent to the OpenID provider
        AuthRequest authReq = manager.authenticate(discovered, returnToUrl);

        // Attribute Exchange example: fetching the 'email' attribute
        FetchRequest fetch = FetchRequest.createFetchRequest();
        fetch.addAttribute("email", // attribute alias
            "http://schema.openid.net/contact/email", // type URI
            true); // required
        // attach the extension to the authentication request
        authReq.addExtension(fetch);

        // example using Simple Registration to fetching the 'email' attribute
        SRegRequest sregReq = SRegRequest.createFetchRequest();
        sregReq.addAttribute("email", true);
        authReq.addExtension(sregReq);

        if (! discovered.isVersion2() )
        {
            // Option 1: GET HTTP-redirect to the OpenID Provider endpoint
            // The only method supported in OpenID 1.x
            // redirect-URL usually limited ~2048 bytes
            httpResp.sendRedirect(authReq.getDestinationUrl(true));
            return null;
        }
        else
        {
            // Option 2: HTML FORM Redirection (Allows payloads >2048 bytes)

            //RequestDispatcher dispatcher =
            //        getServletContext().getRequestDispatcher("formredirection.jsp");
            //httpReq.setAttribute("prameterMap", response.getParameterMap());
            //httpReq.setAttribute("destinationUrl", response.getDestinationUrl(false));
            //dispatcher.forward(request, response);
        }
    }
    catch (OpenIDException e)
    {
        // present error to the user
        throw new RuntimeException("wrap:" + e.getMessage(), e);
    }

    return null;
}