/* * 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; } }