/*
    * Copyright 2008-2009 Web Cohesion
    * 
    * 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
    * 
    * https://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.security.oauth2.config.xml;
  
  import org.springframework.beans.factory.support.AbstractBeanDefinition;
  import org.springframework.beans.factory.support.BeanDefinitionBuilder;
  import org.springframework.beans.factory.xml.AbstractBeanDefinitionParser;
  import org.springframework.beans.factory.xml.ParserContext;
  import org.springframework.security.oauth2.client.OAuth2RestTemplate;
  import org.springframework.security.oauth2.client.filter.OAuth2ClientContextFilter;
  import org.springframework.util.StringUtils;
  import org.w3c.dom.Element;
  
  /**
   * Parser for the OAuth "client" element supporting client apps using {@link OAuth2RestTemplate}.
   * 
   * @author Ryan Heaton
   * @author Dave Syer
   */
  public class ClientBeanDefinitionParser extends AbstractBeanDefinitionParser {
  
  	@Override
  	protected AbstractBeanDefinition parseInternal(Element element, ParserContext parserContext) {
  
  		String redirectStrategyRef = element.getAttribute("redirect-strategy-ref");
  
  		BeanDefinitionBuilder clientContextFilterBean = BeanDefinitionBuilder
  				.rootBeanDefinition(OAuth2ClientContextFilter.class);
  
  		if (StringUtils.hasText(redirectStrategyRef)) {
  			clientContextFilterBean.addPropertyReference("redirectStrategy", redirectStrategyRef);
  		}
  
  		return clientContextFilterBean.getBeanDefinition();
  
  	}
  
  }