/*
* Copyright (c) 2008-2016 Computer Network Information Center (CNIC), Chinese Academy of Sciences.
*
* This file is part of Duckling project.
*
* 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 cn.vlabs.umt.ui.tags;
import javax.servlet.ServletContext;
import javax.servlet.jsp.tagext.TagSupport;
import org.springframework.beans.factory.BeanFactory;
import cn.vlabs.umt.services.auth.IAuthService;
import cn.vlabs.umt.ui.Attributes;
public class ShowInLoginAuthsTag extends TagSupport {
private static final long serialVersionUID = 1L;
private IAuthService authService;
private IAuthService getAuthService(){
if (authService==null){
ServletContext servletContext = pageContext.getServletContext();
BeanFactory beanFactory=(BeanFactory) servletContext.getAttribute(Attributes.APPLICATION_CONTEXT_KEY);
authService=beanFactory.getBean(IAuthService.class);
}
return authService;
}
private String varName;
public void setVar(String varName){
this.varName=varName;
}
public int doStartTag(){
pageContext.setAttribute(varName, getAuthService().findShowInLogin());
return EVAL_BODY_INCLUDE;
}
public int doEndTag(){
pageContext.removeAttribute(varName);
return EVAL_PAGE;
}
}