/*
* 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.taglib;
import org.springframework.social.connect.ConnectionRepository;
import org.springframework.web.context.WebApplicationContext;
import org.springframework.web.servlet.tags.RequestContextAwareTag;
/**
* {@link SocialConnectedTag} and {@link SocialNotConnectedTag} extend to
* provide functionality within a JSP to determine if you are connected to a
* provider or not.
*
* @author Rick Reumann
* @author Craig Walls
*/
@SuppressWarnings("serial")
public abstract class BaseSocialConnectedTag extends RequestContextAwareTag {
protected String provider;
protected int evaluateBodyIfConnected(boolean evaluateIfConnected) {
if (getConnectionRepository().findConnections(provider).size() > 0) {
return evaluateIfConnected ? EVAL_BODY_INCLUDE : SKIP_BODY;
}
return evaluateIfConnected ? SKIP_BODY : EVAL_BODY_INCLUDE;
}
private ConnectionRepository getConnectionRepository() {
WebApplicationContext applicationContext = getRequestContext().getWebApplicationContext();
return applicationContext.getBean(ConnectionRepository.class);
}
public void setProvider(String provider) {
this.provider = provider;
}
}