/*
* Copyright 2015 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.social.connect.web;
import java.util.List;
import java.util.Map;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.springframework.social.connect.Connection;
import org.springframework.social.connect.UserProfile;
import org.springframework.web.servlet.View;
import org.springframework.web.servlet.view.AbstractView;
/**
* <p>
* Generic {@link View} implementation that displays the connection statis for a provider.
* Can be used as both a connected view and a disconnected view.
* </p>
*
* <p>
* Configure as a bean whose name is "connect/{providerId}Connect" and/or "connect/{providerId}Connected".
* For example:
* </p>
*
* <code>
* @Bean(name={"connect/facebookConnect", "connect/facebookConnected"})
* public View facebookConnectView() {
* return new GenericConnectionStatusView("facebook", "Facebook");
* }
* </code>
*
* @author Craig Walls
*/
public class GenericConnectionStatusView extends AbstractView {
private final String providerId;
private final String providerDisplayName;
/**
* Constructs the generic status view.
* @param providerId the provider Id (e.g., "facebook")
* @param providerDisplayName a friendly, displayable name for the provider (e.g., "Facebook")
*/
public GenericConnectionStatusView(String providerId, String providerDisplayName) {
this.providerId = providerId;
this.providerDisplayName = providerDisplayName;
}
@Override
protected void renderMergedOutputModel(Map<String, Object> model, HttpServletRequest request, HttpServletResponse response) throws Exception {
response.setHeader("Content-Type", "text/html");
response.getWriter().write(generateConnectionViewHtml(getProfileIfConnected(model)));
}
private String generateConnectionViewHtml(UserProfile profile) {
StringBuilder builder = new StringBuilder();
if (profile == null) {
builder.append("<h3>Connect to " + providerDisplayName + "</h3>");
builder.append("<form action=\"/connect/");
builder.append(providerId);
builder.append("\" method=\"POST\">");
builder.append("<div class=\"formInfo\">");
builder.append("<p>You aren't connected to ");
builder.append(providerDisplayName);
builder.append(" yet. Click the button to connect with your ");
builder.append(providerDisplayName);
builder.append(" account.</p>");
builder.append("</div>");
builder.append("<p><button type=\"submit\">Connect to ");
builder.append(providerDisplayName);
builder.append("</button></p>");
builder.append("</form>");
} else {
builder.append("<h3>Connected to ");
builder.append(providerDisplayName);
builder.append("</h3>");
builder.append("<p>Hello, ");
builder.append(profile.getName());
builder.append("!</p><p>You are now connected to ");
builder.append(providerDisplayName);
String username = profile.getUsername();
if (username !=null) {
builder.append(" as ");
builder.append(username);
}
builder.append(".</p>");
}
return builder.toString();
}
private UserProfile getProfileIfConnected(Map<String, Object> model) {
@SuppressWarnings("unchecked")
List<Connection<?>> connections = (List<Connection<?>>) model.get("connections");
if (connections != null) {
for (Connection<?> connection : connections) {
if (connection.getKey().getProviderId().equals(providerId)) {
return connection.fetchUserProfile();
}
}
}
return null;
}
}